CN101462028A - Large-sized agitated tank - Google Patents

Large-sized agitated tank Download PDF

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Publication number
CN101462028A
CN101462028A CNA2007101589742A CN200710158974A CN101462028A CN 101462028 A CN101462028 A CN 101462028A CN A2007101589742 A CNA2007101589742 A CN A2007101589742A CN 200710158974 A CN200710158974 A CN 200710158974A CN 101462028 A CN101462028 A CN 101462028A
Authority
CN
China
Prior art keywords
blade
oar
tank diameter
cell
scale tank
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CNA2007101589742A
Other languages
Chinese (zh)
Inventor
张超
单勇
刘常林
张景库
张德仁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenyang Aluminum and Magnesium Engineering and Research Institute Co Ltd
Original Assignee
Shenyang Aluminum and Magnesium Engineering and Research Institute Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenyang Aluminum and Magnesium Engineering and Research Institute Co Ltd filed Critical Shenyang Aluminum and Magnesium Engineering and Research Institute Co Ltd
Priority to CNA2007101589742A priority Critical patent/CN101462028A/en
Publication of CN101462028A publication Critical patent/CN101462028A/en
Pending legal-status Critical Current

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Abstract

The invention relates to an agitating tank, in particular to a large-sized agitating tank capable of meeting the requirements of high mixing homogeneous degree of materials, no material accumulation at the bottom of the tank and lower energy consumption in smelting production by alumina or other wet methods. The large-sized agitating tank comprises a tank body, a baffle plate and blades, wherein the middle part of the tank body is provided with an agitating shaft crossing the tank body, the bottom end of the agitating shaft is fixed on the tank body by a bottom bearing, the top end of the agitating shaft is connected with a reducer, and the agitating shaft is provided with the blades. Through the agitating tank, feed pulp is high in mixing homogeneous degree, and the solid content difference between the upper and the lower layers of feed pulp can be controlled within 5 percent; the agitating effect at the bottom of the tank body is enhanced so as to eliminate the material accumulation at the bottom of the tank body; the power consumption is low and one-fifth to one-fourth of that of a folded-blade paddle; and the tank body is firm, the agitating device is smoothly operated, and the resonance of the tank body is avoided.

Description

A kind of large-scale tank diameter
Technical field
The present invention relates to a kind of tank diameter, relate in particular to a kind of being applicable in aluminium oxide or other hydrometallurgy production and require mixing of materials uniformity height, trench bottom not to have the large-scale tank diameter of buildup and low energy consumption.
Background technology
In aluminium oxide or other hydrometallurgy production process, mixing plant occupies critical role, all can use a large amount of mixing plants in each workshop section, and wherein the large-scale tank diameter of diameter 〉=10m is the key that guarantees to produce normal operation.Grind the workshop in decomposition of aluminium oxide seed and ore pulp, employed seed precipitation tank and pulp tank diameter are more than the 14m, its slip composition is aluminium hydroxide, sodium aluminate mixture or bauxite ore pulp, pulp density and contain all higher and easy precipitation admittedly, the slip levels contains difference admittedly and need be controlled in 5% in the seed precipitation tank in addition, and therefore the performance to tank diameter has proposed very high requirement.Existing tank diameter partly is made up of agitating device, baffle plate, cell body etc., and baffle plate is a straight-plate-type, and paddle is generally the hinged joint oar, and the levels diameter of propeller blade is identical.There are the following problems for the tank diameter of this structure: 1. because baffle plate is a straight-plate-type, a little less than the circulation of levels slip mixed convection, make the trench bottom pulp density big, top density is little, and mixture homogeneity is poor; 2. paddle levels diameter is identical, cause stirring capacity at the upper strata oar enough in, bottom oar stirring capacity deficiency makes trench bottom form buildup gradually and scabs; 3. owing to adopt the hinged joint oar, behind groove diameter 〉=10m, power of agitator sharply increases, and is excessive because of power, is restricted so use.
Summary of the invention
The invention provides a kind of large-scale tank diameter for solving the problems of the technologies described above, purpose is the convection circulation that strengthens tank diameter levels slip; Strengthen the feed liquid stirring intensity of decomposer bottom, eliminate buildup; Adopt the better paddle of performance, significantly reduce power of agitator, obtain good mixing effect simultaneously; Improve cell body and main beam structure, improve rigidity and eliminate resonance.
In order to solve the problems of the technologies described above, the present invention is achieved in that a kind of large-scale tank diameter, comprise cell body, baffle plate, blade, be provided with the shaft that runs through cell body at the middle part of cell body, the bottom of shaft is fixed on the cell body by base bearing, the top of shaft is connected with reductor, is provided with blade on shaft.
Described cell body is a cylindrical tank, is welded by multistage cylindrical shape shell ring, and shell ring steel plate thickness increases from top to bottom gradually.
Described baffle plate is 2~4, and it is uniform to press circumferencial direction in cell body, and every baffle plate top is straight plate, and bottom Xiang Ying extends to the direction of liquid stream rotation, and baffle plate is welded on the cell wall by a plurality of steel pipes, and vertical with cell wall.
It is circular arc or straight line that described baffle plate extends curve.
Described reductor is fixed on the reducer pedestal, and reducer pedestal is fixed on the cell body.
Described blade is the combination of individual layer, multilayer or individual layer and multilayer.
The combination of described individual layer blade, multi-layer oar blade or individual layer blade and multi-layer oar blade is to be made of internal layer blade and outer blade.
Described internal layer blade is fixedlyed connected with shaft.
Described blade is divided into upper strata oar and bottom oar, and upper strata oar and bottom oar are the combination of individual layer, multilayer or individual layer and multilayer.
The combination of described individual layer blade, multi-layer oar blade or individual layer blade and multi-layer oar blade is to be made of internal layer blade and outer blade.
Described internal layer blade is fixedlyed connected with shaft.
Described outer blade is connected with the internal layer blade.
Described internal layer blade is an individual layer, and outer blade is double-deck.
Described internal layer blade and outer blade are individual layer, or internal layer blade and outer blade are double-deck.
Described internal layer blade is opposite with outer blade rotation direction, and the internal layer oar promotes slip and moves upward, and outer oar promotes slip and moves downward.
The outer blade of described bottom oar and the size of internal layer blade are greater than the internal layer blade and the outer paddle size of upper strata oar.
The bottom blade of the outer blade of described bottom oar is greater than the top blade.
Described baffle plate 4 is 150-500mm apart from trough floor bottom.
Advantageous effect of the present invention is as follows:
The present invention makes slip mixture homogeneity height, and the levels slip contains difference admittedly and can be controlled in 5%; Cell body bottom mixing effect strengthens, and can overcome cell body bottom buildup and scab; Power consumption reduces, and is 1/5~1/4 of hinged joint oar; Cell body is firm, and agitating device operates steadily, and can avoid cell body to resonate.
Description of drawings
Fig. 1 structural representation of the present invention.
Among the figure 1, reductor; 2, reducer pedestal; 3, cell body; 4, baffle plate; 5, shaft; 6, upper strata oar; 7, the outer oar of upper strata oar; 8, oar in the oar of upper strata; 9, bottom oar; 10, the outer oar of bottom oar; 11, oar in the bottom oar; 12, base bearing.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.But protection scope of the present invention is not limit by embodiment.
Embodiment 1:
As shown in Figure 1, the large-scale tank diameter of the present invention, it is to comprise cell body 3, baffle plate 4, blade, be provided with the shaft 5 that runs through cell body 3 at the middle part of cell body 3, the bottom of shaft 5 is fixed on the cell body 3 by base bearing 12, the top of shaft 5 is connected with reductor 1, be provided with blade on shaft 5, cell body 3 is a cylindrical tank, is welded by multistage cylindrical shape shell ring steel plate, shell ring steel plate thickness increases from top to bottom gradually, baffle plate 4 be 2~4 uniform by circumferencial direction in cell body 3, every baffle plate 4 tops are straight plate, bottom Xiang Ying extends to the direction of liquid stream rotation, baffle plate 4 is welded on the cell wall by steel pipe, and vertical with cell wall, it is circular arc or straight line that baffle plate 4 extends curve, baffle plate 4 is 150-500mm apart from trough floor bottom, reductor 1 is fixed on the reducer pedestal 2, and reducer pedestal 2 is fixed on the cell body 3.
Blade is divided into upper strata oar 6 and bottom oar 9, and upper strata oar 6 and bottom oar 9 are the combination of individual layer, multilayer or individual layer and multilayer, and the combination of individual layer blade, multi-layer oar blade or individual layer blade and multi-layer oar blade is to be made of internal layer blade and outer blade.The internal layer blade is fixedlyed connected with shaft 5.Outer blade is connected with the internal layer blade, and the internal layer blade is an individual layer, and outer blade is double-deck.The internal layer blade is opposite with outer blade rotation direction, the internal layer blade promotes slip and moves upward, outer blade promotes slip and moves downward, the size of outer oar 10 of bottom oar and bottom oar internal layer 11 is greater than the size of oar 8 in outer oar 7 of upper strata oar and the upper strata oar, and the bottom blade of the outer oar 10 of bottom oar is greater than the top blade.
Embodiment 2:
Oar 8 is an individual layer in outer oar 7 of upper strata oar among the embodiment 1 and the upper strata oar, and other is with embodiment 1.
Embodiment 3:
Oar 8 is double-deck in outer oar 7 of upper strata oar among the embodiment 1 and the upper strata oar, and other is with embodiment 1.

Claims (15)

1, a kind of large-scale tank diameter, comprise cell body, baffle plate, blade, it is characterized in that the middle part of cell body is provided with the shaft that runs through cell body, the bottom of shaft is fixed on the cell body by base bearing, the top of shaft is connected with reductor, is provided with blade on shaft.
2, large-scale tank diameter according to claim 1 is characterized in that described cell body is a cylindrical tank, is welded by multistage cylindrical shape shell ring, and shell ring steel plate thickness increases from top to bottom gradually.
3, large-scale tank diameter according to claim 1, it is characterized in that described baffle plate be 2~4 uniform by circumferencial direction in cell body, every baffle plate top is straight plate, bottom Xiang Ying extends to the direction of liquid stream rotation, baffle plate is welded on the cell wall by a plurality of steel pipes, and vertical with cell wall.
4, large-scale tank diameter according to claim 3 is characterized in that it is circular arc or straight line that described baffle plate extends curve.
5, large-scale tank diameter according to claim 1 is characterized in that described reductor is fixed on the reducer pedestal, and reducer pedestal is fixed on the cell body.
6, large-scale tank diameter according to claim 1 is characterized in that described blade is divided into upper strata oar and bottom oar, and upper strata oar and bottom oar are the combination of individual layer, multilayer or individual layer and multilayer.
7, large-scale tank diameter according to claim 6, the combination that it is characterized in that described individual layer blade, multi-layer oar blade or individual layer blade and multi-layer oar blade are to be made of internal layer blade and outer blade.
8, large-scale tank diameter according to claim 7 is characterized in that described internal layer blade fixedlys connected with shaft.
9, large-scale tank diameter according to claim 8 is characterized in that described outer blade is connected with the internal layer blade.
10, large-scale tank diameter according to claim 9 is characterized in that described internal layer blade is an individual layer, and outer blade is double-deck.
11, large-scale tank diameter according to claim 9 is characterized in that described internal layer blade and outer blade are individual layer, or internal layer blade and outer blade are double-deck.
12, large-scale tank diameter according to claim 9 is characterized in that described internal layer blade is opposite with outer blade rotation direction, and the internal layer oar promotes slip and moves upward, and outer oar promotes slip and moves downward.
13, large-scale tank diameter according to claim 6 is characterized in that internal layer blade and the outer paddle size of the size of the outer blade of described bottom oar and internal layer blade greater than the upper strata oar.
14, large-scale tank diameter according to claim 13, the bottom blade of outer blade that it is characterized in that described bottom oar is greater than the top blade.
15, large-scale tank diameter according to claim 1 is characterized in that described baffle plate is 150-500mm apart from trough floor bottom.
CNA2007101589742A 2007-12-18 2007-12-18 Large-sized agitated tank Pending CN101462028A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2007101589742A CN101462028A (en) 2007-12-18 2007-12-18 Large-sized agitated tank

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA2007101589742A CN101462028A (en) 2007-12-18 2007-12-18 Large-sized agitated tank

Publications (1)

Publication Number Publication Date
CN101462028A true CN101462028A (en) 2009-06-24

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Family Applications (1)

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CNA2007101589742A Pending CN101462028A (en) 2007-12-18 2007-12-18 Large-sized agitated tank

Country Status (1)

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CN (1) CN101462028A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102191389A (en) * 2011-04-19 2011-09-21 潘伦桃 Rinsing method and device of potassium fluotantalate product obtained through sodium reduction
CN102188921A (en) * 2010-03-09 2011-09-21 沈阳铝镁设计研究院有限公司 Red mud slurrying tank
CN102476034A (en) * 2010-11-30 2012-05-30 沈阳铝镁设计研究院有限公司 Red mud strong stirring tank
CN102500273A (en) * 2011-11-17 2012-06-20 金发科技股份有限公司 Stirrer
CN103223312A (en) * 2013-04-15 2013-07-31 中国科学院过程工程研究所 Axial-flow type stirring device suitable for pseudoplastic fluid with yield stress
CN103877891A (en) * 2013-05-30 2014-06-25 青岛科技大学 Misplaced six-bend-blade combined propeller efficient stirring device
CN105297767A (en) * 2014-06-26 2016-02-03 沈阳铝镁设计研究院有限公司 Connecting structure capable of attenuating stirring vibration for stirring groove bottom and foundation
CN105645444A (en) * 2014-11-12 2016-06-08 贵阳铝镁设计研究院有限公司 Simplified stirring decomposition tank with three layers of blades
CN107073419A (en) * 2014-09-16 2017-08-18 奥图泰(芬兰)公司 Mixing arrangement and its application
CN107281775A (en) * 2017-08-16 2017-10-24 广东海翔教育科技有限公司 A kind of energy-conserving and environment-protective crystallizing tank

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102188921B (en) * 2010-03-09 2014-05-21 沈阳铝镁设计研究院有限公司 Red mud slurrying tank
CN102188921A (en) * 2010-03-09 2011-09-21 沈阳铝镁设计研究院有限公司 Red mud slurrying tank
CN102476034A (en) * 2010-11-30 2012-05-30 沈阳铝镁设计研究院有限公司 Red mud strong stirring tank
CN102191389B (en) * 2011-04-19 2013-09-25 潘伦桃 Rinsing method of potassium fluotantalate product obtained through sodium reduction
CN102191389A (en) * 2011-04-19 2011-09-21 潘伦桃 Rinsing method and device of potassium fluotantalate product obtained through sodium reduction
CN102500273A (en) * 2011-11-17 2012-06-20 金发科技股份有限公司 Stirrer
CN103223312A (en) * 2013-04-15 2013-07-31 中国科学院过程工程研究所 Axial-flow type stirring device suitable for pseudoplastic fluid with yield stress
CN103223312B (en) * 2013-04-15 2015-11-18 中国科学院过程工程研究所 A kind of axial-flow type agitating device being applicable to the pseudoplastic fluid being with yield stress
CN103877891A (en) * 2013-05-30 2014-06-25 青岛科技大学 Misplaced six-bend-blade combined propeller efficient stirring device
CN105297767A (en) * 2014-06-26 2016-02-03 沈阳铝镁设计研究院有限公司 Connecting structure capable of attenuating stirring vibration for stirring groove bottom and foundation
CN105297767B (en) * 2014-06-26 2018-01-09 沈阳铝镁设计研究院有限公司 A kind of attachment structure at the tank diameter bottom and basis for weakening stirring vibration
CN107073419A (en) * 2014-09-16 2017-08-18 奥图泰(芬兰)公司 Mixing arrangement and its application
CN107073419B (en) * 2014-09-16 2020-08-18 奥图泰(芬兰)公司 Mixing device and application thereof
CN105645444A (en) * 2014-11-12 2016-06-08 贵阳铝镁设计研究院有限公司 Simplified stirring decomposition tank with three layers of blades
CN107281775A (en) * 2017-08-16 2017-10-24 广东海翔教育科技有限公司 A kind of energy-conserving and environment-protective crystallizing tank

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Open date: 20090624

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