CN102380233A - Dewatering treatment device for low-concentration pulp in pipes and treatment method of dewatering treatment device - Google Patents
Dewatering treatment device for low-concentration pulp in pipes and treatment method of dewatering treatment device Download PDFInfo
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- CN102380233A CN102380233A CN2011102812236A CN201110281223A CN102380233A CN 102380233 A CN102380233 A CN 102380233A CN 2011102812236 A CN2011102812236 A CN 2011102812236A CN 201110281223 A CN201110281223 A CN 201110281223A CN 102380233 A CN102380233 A CN 102380233A
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Abstract
The invention relates to a dewatering treatment device for low-concentration pulp in pipes and a treatment method of the dewatering treatment device. An input end of a pulp flowing sedimentation device is connected with a low-concentration ore pulp inlet pipe, two output ends of the pulp flowing sedimentation device are respectively connected with a pulp stirring tank and a water pond, wherein the output end connected with the pulp stirring tank is located at the bottom of the pulp stirring tank, an output end of the pulp stirring tank is connected with a main delivery pipe via an underflow pump, and the radial transaction area of a cavity of the pulp flowing sedimentation device is larger than that of the low-concentration ore pulp inlet pipe. By the aid of the pulp flowing sedimentation device which can greatly reduce the flowing speed of pulp, the low-concentration pulp flowing in the pulp flowing sedimentation device can realize partial sedimentation and layering in the pulp flowing sedimentation device, then distribution of water or pulp with different concentrations is completed by means of adjusting a valve, and treatment for head pulp or tail pulp with the concentration incapable of reaching the standard during delivery of ore pulp pipes is realized well.
Description
Technical field
The present invention relates to a kind of device and method of pipeline transportation, concentration separation and processed of slurry, especially relate to low concentration slurry dehydration treatment equipment and processing method thereof in a kind of pipeline.
Background technology
Carry in the processed process with the iron ore concentrate slurry at the pipeline of iron ore concentrate slurry, the slurry material will be carried under the particular concentration situation, and change in concentration can be not excessive, carry other treatment process of perhaps slurry can not produce bigger influence to pipeline.
But if the conveying in batches of slurry or classification are when carrying (transporting one section clear water again after transporting an end iron ore concentrate slurry); Just have the situation that pulp-water combines; So, the slurry concentration of pulp-water joint portion will reduce greatly, the bigger concentration of slurry occurs and reduces the requirement that does not meet pipeline conveying and dewatering process; The safe transport of pipeline is brought bigger hidden danger, and processed also can can't be dewatered because of the on the low side of slurry concentration simultaneously.
The slurry quantity that this a part of concentration is lower is not relatively again too big; This low concentration slurry that does not meet technological requirement; All be directly to be discharged in the middle of the fixing accident pool or process pool generally now; Adopt natural sedimentation, after then water being drained, the method for transporting with automobile after the air dry solves root problem.Because slurry quantity is not very big relatively, if the way that adopts thickener to concentrate is regulated concentration, input cost will be very high simultaneously, and the booster station of oil pipeline of particularly carrying at its pipeline also is difficult to head it off.
Summary of the invention
The present invention has designed low concentration slurry dehydration treatment equipment and processing method thereof in a kind of pipeline; The technical problem of its solution is in the existing ore slurry pipeline transportation; A spot of pulp density occurs and cross when hanging down, can not meet the requirement of pipeline conveying and dewatering process, and existing treatment process cost is too high.
In order to solve the technical problem of above-mentioned existence, the present invention has adopted following scheme:
Low concentration slurry dehydration treatment equipment in a kind of pipeline; Comprise that the low concentration ore pulp gets into pipeline (1), slurry mobile settler (4), slurry agitating tank (13) and pond (14); The flow input of settler (4) of said slurry gets into pipeline (1) with said low concentration ore pulp and is connected; Flow two outputs of settler (4) of said slurry are connected with said pond (14) with said slurry agitating tank (13) respectively, and the output that wherein is connected with said slurry agitating tank (13) is positioned at the bottom of said slurry agitating tank (13); Said slurry agitating tank (13) output is connected with main transport pipeline through underflow pump (11); The said slurry radially cross-sectional area of settler (4) cavity gets into pipeline (1) greater than said low concentration ore pulp the radially cross-sectional area that flows.
Further, flowing at the output of said underflow pump (11) and said slurry also being provided with circulation deposition pipeline (3) between the settler (4), on said circulation deposition pipeline (3), also be provided with underflow pump second outlet valve (9).
Further; The input of said underflow pump (11) and output are connected with underflow pump intake valve (12) and underflow pump first outlet valve (10) respectively, and the position that wherein said circulation deposition pipeline (3) connects is positioned on the pipeline between said underflow pump (11) and said underflow pump first outlet valve (10).
Further; A flow output of settler (4) of said slurry is communicated with said slurry agitating tank (13) through getting into slurry agitating tank pipeline (6), on said entering slurry agitating tank pipeline (6), also is provided with entering tank diameter control valve (5).
Further, flow another output of settler (4) of said slurry is communicated with said pond (14) through getting into pond pipeline (8), on said entering pond pipeline (8), is provided with entering pond control valve (7).
Low concentration slurry dehydration treatment method in a kind of pipeline may further comprise the steps:
Step 1: the low concentration ore pulp enters into the mobile settler (4) of slurry; The radially cross-sectional area of settler (4) cavity gets into the radially cross-sectional area of pipeline (1) greater than the low concentration ore pulp because said slurry flows; The low concentration slurry flow velocity that slurry flows in the settler (4) reduces greatly, and finally makes the low concentration ore pulp carry out partly precipitated and layering;
Step 2: slurry settler (4) bottom of flowing precipitates the higher slurry of concentration through getting into tank diameter control valve (5) and get in slurry agitating tank pipeline (6) the entering slurry agitating tank (13), and finally is delivered in the main transport pipeline through underflow pump (11).
Further; When the slurry concentration in the slurry agitating tank (13) does not still meet the standard of the main transport pipeline of direct conveying; Open underflow pump second outlet valve (9) and close underflow pump first outlet valve (10); Underflow pump (11) is delivered to the mobile settler (4) of slurry with below standard ore pulp through circulation deposition pipeline (3) and precipitates once more and layering, and the slurry concentration in slurry agitating tank (13) meets transfer criteria.
Low concentration slurry dehydration treatment equipment and processing method thereof have following beneficial effect in this pipeline:
(1) the present invention is owing to a mobile settler of slurry that cross-sectional area can make slurry stream speed reduce greatly greatly than inlet duct cross-sectional area has been installed in the upper end that gets into slurry agitating tank and pond; The low concentration slurry that flows into wherein just can carry out partly precipitated and layering in slurry flows settler; Accomplish the shunting of the water or the slurry of variable concentrations then through control valve, well solved the head slurry not up to standard of concentration in the ore slurry pipeline transportation or the processing of tail slurry.
(2) slurry that the invention solves low concentration can not be carried through pipeline, and the problem that can only in accident pool, carry with automobile behind the natural air drying has been saved processing cost greatly.
Description of drawings
Fig. 1 is the structural representation of low concentration slurry dehydration treatment equipment in the pipeline of the present invention.
Description of reference numerals:
1-low concentration ore pulp gets into pipeline; 2-entering pipeline isolation valve; 3-circulation deposition pipeline; 4-slurry settler that flows; 5-entering tank diameter control valve; 6-entering slurry agitating tank pipeline; 7-entering pond control valve; 8-entering pond pipeline; 9-underflow pump, second outlet valve; 10-underflow pump, first outlet valve; 11-underflow pump; 12-underflow pump intake valve; 13-slurry agitating tank; 14-pond.
The specific embodiment
Below in conjunction with Fig. 1, the present invention is further specified:
Directly insert the low concentration ore pulp at mobile settler 4 inputs of institute's slurry and get into pipeline 1 and circulation deposition pipeline 3; Keep apart with underflow pump second outlet valve 9 with getting into pipeline isolation valve 2 respectively; Slurry flows 4 one output ports of settler through getting into directly access pond 14 of pond pipeline 8; The centre keeps apart with getting into pond control valve 7; Output in the mobile settler 4 positive lower ends of slurry inserts slurry agitating tanks 13 through getting into slurry agitating tank pipeline 6, and the middle entering tank diameter control valve 5 of using is isolated.Slurry in the slurry agitating tank 13 gets into underflow pump 11 through underflow pump intake valve 12; Get into pipeline through underflow pump first outlet valve 10 respectively; Carry out next step pipeline and carry and processed, perhaps get into the mobile settler 4 of slurry once more and precipitate once more through underflow pump second outlet valve 9 and circulation deposition pipeline 3.
In the course of the work; When relatively hanging down, the slurry concentration that gets into when the external world fails to reach the requirement that pipeline is carried; Or dewater when requiring, the entering pipeline isolation valve 2 that the external world gets on the low concentration ore pulp entering pipeline 1 to be opened, the low concentration slurry just directly flow in the middle of the mobile settler 4 of slurry; Settler 4 is on unit length because slurry flows, and the space is more much bigger than extraneous entering pipeline 1.So; The slurry flow velocity is also a lot of with regard to corresponding reduction, because the reduction of flow velocity, the solid constituent in the slurry just begins to be deposited to the bottom; And top is exactly through the more clear water of post precipitation; Water directly is discharged in the middle of the pond 14 through entering pond control valve 7 and entering pond pipeline 8, drains into the flow of water in the pond, can be definite through regulating entering pond control valve 7.And the slurry settler 4 bottoms higher slurry of concentration that precipitates that flows; In the middle of entering tank diameter control valve 5 and entering slurry agitating tank pipeline 6 entering slurry agitating tanks 13; Get into the flow of slurry in the slurry agitating tank 13, can regulate through tank diameter control valve 5.If the slurry concentration in the entering slurry agitating tank does not also reach technological requirement; Slurry directly gets into the slurries settlers 4 that flow through underflow pump intake valve 12, underflow pump 11, underflow pump second outlet valve 9 and circulation deposition pipeline 3 once more and carries out precipitate and separate, till the slurry concentration that precipitate and separate is come out reaches pipeline transportation process or dewatering process and requires.
Combine accompanying drawing that the present invention has been carried out exemplary description above; Obvious realization of the present invention does not receive the restriction of aforesaid way; As long as the various improvement of having adopted method design of the present invention and technical scheme to carry out; Or design of the present invention and technical scheme are directly applied to other occasion without improving, all in protection scope of the present invention.
Claims (7)
1. low concentration slurry dehydration treatment equipment in the pipeline; It is characterized in that: comprise that the low concentration ore pulp gets into pipeline (1), slurry mobile settler (4), slurry agitating tank (13) and pond (14); The flow input of settler (4) of said slurry gets into pipeline (1) with said low concentration ore pulp and is connected; Flow two outputs of settler (4) of said slurry are connected with said pond (14) with said slurry agitating tank (13) respectively, and the output that wherein is connected with said slurry agitating tank (13) is positioned at the bottom of said slurry agitating tank (13); Said slurry agitating tank (13) output is connected with main transport pipeline through underflow pump (11); The said slurry radially cross-sectional area of settler (4) cavity gets into pipeline (1) greater than said low concentration ore pulp the radially cross-sectional area that flows.
2. according to low concentration slurry dehydration treatment equipment in the said pipeline of claim 1; It is characterized in that: flowing at the output of said underflow pump (11) and said slurry also being provided with circulation deposition pipeline (3) between the settler (4), on said circulation deposition pipeline (3), also be provided with underflow pump second outlet valve (9).
3. according to low concentration slurry dehydration treatment equipment in the said pipeline of claim 2; It is characterized in that: the input of said underflow pump (11) and output are connected with underflow pump intake valve (12) and underflow pump first outlet valve (10) respectively, and the position that wherein said circulation deposition pipeline (3) connects is positioned on the pipeline between said underflow pump (11) and said underflow pump first outlet valve (10).
4. according to low concentration slurry dehydration treatment equipment in any one said pipeline of claim 1 to 3; It is characterized in that: a flow output of settler (4) of said slurry is communicated with said slurry agitating tank (13) through getting into slurry agitating tank pipeline (6), on said entering slurry agitating tank pipeline (6), also is provided with entering tank diameter control valve (5).
5. according to low concentration slurry dehydration treatment equipment in any one said pipeline in the claim 1 to 4; It is characterized in that: flow another output of settler (4) of said slurry is communicated with said pond (14) through getting into pond pipeline (8), on said entering pond pipeline (8), is provided with entering pond control valve (7).
6. low concentration slurry dehydration treatment method in the pipeline may further comprise the steps:
Step 1: the low concentration ore pulp enters into the mobile settler (4) of slurry; The radially cross-sectional area of settler (4) cavity gets into the radially cross-sectional area of pipeline (1) greater than the low concentration ore pulp because said slurry flows; The low concentration slurry flow velocity that slurry flows in the settler (4) reduces greatly, and finally makes the low concentration ore pulp carry out partly precipitated and layering;
Step 2: slurry settler (4) bottom of flowing precipitates the higher slurry of concentration through getting into tank diameter control valve (5) and get in slurry agitating tank pipeline (6) the entering slurry agitating tank (13), and finally is delivered in the main transport pipeline through underflow pump (11).
7. according to low concentration slurry dehydration treatment method in the said pipeline of claim 6; Its characteristic exists: when the slurry concentration in the slurry agitating tank (13) does not still meet the standard of the main transport pipeline of direct conveying; Open underflow pump second outlet valve (9) and close underflow pump first outlet valve (10); Underflow pump (11) is delivered to the mobile settler (4) of slurry with below standard ore pulp through circulation deposition pipeline (3) and precipitates once more and layering, and the slurry concentration in slurry agitating tank (13) meets transfer criteria.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110281223 CN102380233B (en) | 2011-09-21 | 2011-09-21 | Dewatering treatment device for low-concentration pulp in pipes and treatment method of dewatering treatment device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110281223 CN102380233B (en) | 2011-09-21 | 2011-09-21 | Dewatering treatment device for low-concentration pulp in pipes and treatment method of dewatering treatment device |
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| CN102380233B CN102380233B (en) | 2013-09-25 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103752049A (en) * | 2014-01-21 | 2014-04-30 | 云南大红山管道有限公司 | Slurry concentration treatment system and method |
| CN107715549A (en) * | 2017-09-08 | 2018-02-23 | 瓮福达州化工有限责任公司 | A kind of potassium fluosilicate/sodium separation device and its application |
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| JP2005193125A (en) * | 2004-01-06 | 2005-07-21 | Zeolite Co Ltd | Waste sludge treatment method of water purification plant |
| CN101337686A (en) * | 2008-08-07 | 2009-01-07 | 华北电力大学 | Gypsum slurry separation plant |
| CN101825226A (en) * | 2010-04-15 | 2010-09-08 | 云南大红山管道有限公司 | Circulating pulp preparation system used in iron ore concentrate pipeline transportation and control method thereof |
| CN101881374A (en) * | 2010-06-01 | 2010-11-10 | 云南大红山管道有限公司 | Circulating system in ore pulp delivery pipe and ore pulp delivery method |
| CN202263430U (en) * | 2011-09-21 | 2012-06-06 | 云南大红山管道有限公司 | Dehydrating treatment device for low-concentration slurry in pipeline |
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2011
- 2011-09-21 CN CN 201110281223 patent/CN102380233B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005193125A (en) * | 2004-01-06 | 2005-07-21 | Zeolite Co Ltd | Waste sludge treatment method of water purification plant |
| CN101337686A (en) * | 2008-08-07 | 2009-01-07 | 华北电力大学 | Gypsum slurry separation plant |
| CN101825226A (en) * | 2010-04-15 | 2010-09-08 | 云南大红山管道有限公司 | Circulating pulp preparation system used in iron ore concentrate pipeline transportation and control method thereof |
| CN101881374A (en) * | 2010-06-01 | 2010-11-10 | 云南大红山管道有限公司 | Circulating system in ore pulp delivery pipe and ore pulp delivery method |
| CN202263430U (en) * | 2011-09-21 | 2012-06-06 | 云南大红山管道有限公司 | Dehydrating treatment device for low-concentration slurry in pipeline |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103752049A (en) * | 2014-01-21 | 2014-04-30 | 云南大红山管道有限公司 | Slurry concentration treatment system and method |
| CN103752049B (en) * | 2014-01-21 | 2015-10-28 | 云南大红山管道有限公司 | A kind of Slurry concentration treatment system and method |
| CN107715549A (en) * | 2017-09-08 | 2018-02-23 | 瓮福达州化工有限责任公司 | A kind of potassium fluosilicate/sodium separation device and its application |
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| CN102380233B (en) | 2013-09-25 |
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