CN102380233B - 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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- CN102380233B CN102380233B CN 201110281223 CN201110281223A CN102380233B CN 102380233 B CN102380233 B CN 102380233B CN 201110281223 CN201110281223 CN 201110281223 CN 201110281223 A CN201110281223 A CN 201110281223A CN 102380233 B CN102380233 B CN 102380233B
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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 sedimentationdevice 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
The pipeline of iron ore concentrate slurry carry and the processed process of iron ore concentrate slurry in, the slurry material will be carried under the particular concentration situation, change in concentration can be not excessive, can not produce bigger influence to other treatment process of pipeline conveying or slurry.
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 of pulp-water combination, so, the slurry concentration of pulp-water joint portion will reduce greatly, the bigger concentration of slurry occurs and reduce 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 particularly the booster station of oil pipeline of 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 enters pipeline (1), slurry mobile settler (4), slurry agitating tank (13) and pond (14), the flow input of settler (4) of described slurry enters pipeline (1) with described low concentration ore pulp and is connected, flow two outputs of settler (4) of described slurry are connected with described pond (14) with described slurry agitating tank (13) respectively, and wherein the output that is connected with described slurry agitating tank (13) is positioned at the bottom of described slurry agitating tank (13); Described slurry agitating tank (13) output is connected with main transport pipeline by underflow pump (11); The described slurry radially cross-sectional area of settler (4) cavity enters pipeline (1) greater than described low concentration ore pulp the radially cross-sectional area that flows.
Further, flowing at the output of described underflow pump (11) and described slurry also being provided with circulation precipitation pipeline (3) between the settler (4), also be provided with underflow pump second outlet valve (9) on described circulation precipitation pipeline (3).
Further, the input of described 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 precipitation pipeline (3) connects is positioned on the pipeline between described underflow pump (11) and described underflow pump first outlet valve (10).
Further, a flow output of settler (4) of described slurry is communicated with described slurry agitating tank (13) by entering slurry agitating tank pipeline (6), described enter also to be provided with on the slurry agitating tank pipeline (6) enter tank diameter control valve (5).
Further, flow another output of settler (4) of described slurry is communicated with described pond (14) by entering pond pipeline (8), is provided with and enters pond control valve (7) at the described pond pipeline (8) that enters.
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 that the radially cross-sectional area of settler (4) cavity enters pipeline (1) greater than the low concentration ore pulp because described 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) the bottom higher slurry of concentration that precipitates that flows enters in the slurry agitating tank (13) by entering tank diameter control valve (5) and entering slurry agitating tank pipeline (6), and finally is delivered in the main transport pipeline by 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 by circulation precipitation pipeline (3) and precipitates again 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 enters 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, finish the shunting of water or the slurry of variable concentrations then by 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 by pipeline, and the problem that can only carry with automobile behind the natural air drying in accident pool 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 enters pipeline; 2-enter the pipeline isolation valve; 3-circulation precipitation pipeline; 4-slurry settler that flows; 5-enter the tank diameter control valve; 6-enter the slurry agitating tank pipeline; 7-enter the pond control valve; 8-enter the 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 will be further described:
Directly insert the low concentration ore pulp at mobile settler 4 inputs of institute's slurry and enter pipeline 1 and circulation precipitation pipeline 3, respectively with entering pipeline isolation valve 2 and underflow pump second outlet valve 9 is kept apart, slurry flows 4 one output ports of settler by entering directly access pond 14 of pond pipeline 8, the centre keeps apart with entering pond control valve 7, output in the mobile settler 4 positive lower ends of slurry, insert slurry agitating tank 13 by entering slurry agitating tank pipeline 6, middle with entering 5 isolation of tank diameter control valve.Slurry in the slurry agitating tank 13 enters underflow pump 11 by underflow pump intake valve 12, enter pipeline by underflow pump first outlet valve 10 respectively, carry out next step pipeline and carry and processed, perhaps enter the mobile settler 4 of slurry again by underflow pump second outlet valve 9 and circulation precipitation pipeline 3 and precipitate again.
In the course of the work, when relatively hanging down, the slurry concentration that enters when the external world fails to reach the requirement that pipeline is carried, or dewater when requiring, the external world is entered the pipeline isolation valve 2 that enters that the low concentration ore pulp enters on the pipeline 1 to open, 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 it is much bigger that the space enters pipeline 1 than the external world.So, the slurry flow velocity is also a lot of with regard to corresponding reduction, because the reduction of flow velocity, 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 by entering pond control valve 7 and entering pond pipeline 8, drains into the flow of water in the pond, can enter pond control valve 7 by adjusting and determine.And the slurry settler 4 bottoms higher slurry of concentration that precipitates that flows, enter in the middle of the slurry agitating tank 13 by entering tank diameter control valve 5 and entering slurry agitating tank pipeline 6, enter the flow of slurry in the slurry agitating tank 13, can regulate by tank diameter control valve 5.If the slurry concentration that enters in the slurry agitating tank does not also reach technological requirement, slurry directly enters the slurry settler 4 that flows by underflow pump intake valve 12, underflow pump 11, underflow pump second outlet valve 9 and circulation precipitation pipeline 3 again 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.
By reference to the accompanying drawings the present invention has been carried out exemplary description above; obvious realization of the present invention is not subjected to 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 without improving design of the present invention and technical scheme are directly applied to other occasion, all in protection scope of the present invention.
Claims (2)
1. low concentration slurry dehydration treatment method in the pipeline, low concentration slurry dehydration treatment equipment comprises that the low concentration ore pulp enters pipeline (1) in the pipeline that uses in this method, the slurry settler (4) that flows, slurry agitating tank (13) and pond (14), the flow input of settler (4) of described slurry enters pipeline (1) with described low concentration ore pulp and is connected, flow two outputs of settler (4) of described slurry are connected with described pond (14) with described slurry agitating tank (13) respectively, and wherein the output that is connected with described slurry agitating tank (13) is positioned at the bottom of described slurry agitating tank (13); Described slurry agitating tank (13) output is connected with main transport pipeline by underflow pump (11); The described slurry radially cross-sectional area of settler (4) cavity enters pipeline (1) greater than described low concentration ore pulp the radially cross-sectional area that flows; This method 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 that the radially cross-sectional area of settler (4) cavity enters pipeline (1) greater than the low concentration ore pulp because described 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) the bottom higher slurry of concentration that precipitates that flows enters in the slurry agitating tank (13) by entering tank diameter control valve (5) and entering slurry agitating tank pipeline (6), and finally is delivered in the main transport pipeline by underflow pump (11).
2. according to low concentration slurry dehydration treatment method in the described pipeline of claim 1, its feature 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 by circulation precipitation pipeline (3) and precipitates again 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 |
|---|---|---|---|
| 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 |
|---|---|---|---|
| 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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| CN102380233A CN102380233A (en) | 2012-03-21 |
| CN102380233B true CN102380233B (en) | 2013-09-25 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN107715549B (en) * | 2017-09-08 | 2021-02-23 | 瓮福达州化工有限责任公司 | Potassium fluosilicate/sodium fluosilicate separation device and application thereof |
Citations (5)
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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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- 2011-09-21 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 |
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