CN114471957A - Flotation tailing defoaming agitator - Google Patents
Flotation tailing defoaming agitator Download PDFInfo
- Publication number
- CN114471957A CN114471957A CN202011257838.0A CN202011257838A CN114471957A CN 114471957 A CN114471957 A CN 114471957A CN 202011257838 A CN202011257838 A CN 202011257838A CN 114471957 A CN114471957 A CN 114471957A
- Authority
- CN
- China
- Prior art keywords
- defoaming
- paddle
- defoaming paddle
- centrifugal impeller
- transmission
- 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
Links
- 238000005188 flotation Methods 0.000 title claims abstract description 34
- 238000003756 stirring Methods 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 239000002002 slurry Substances 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000007599 discharging Methods 0.000 claims abstract description 9
- 239000013049 sediment Substances 0.000 claims abstract description 4
- 239000006260 foam Substances 0.000 claims description 25
- 239000007788 liquid Substances 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 8
- 239000002518 antifoaming agent Substances 0.000 abstract description 6
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 6
- 239000011707 mineral Substances 0.000 abstract description 6
- 239000007921 spray Substances 0.000 abstract description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract description 4
- 239000011777 magnesium Substances 0.000 abstract description 4
- 229910052749 magnesium Inorganic materials 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000002562 thickening agent Substances 0.000 description 10
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000003570 air Substances 0.000 description 1
- 238000010420 art technique Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/02—Froth-flotation processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/02—Foam dispersion or prevention
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Paper (AREA)
Abstract
The invention relates to auxiliary equipment for mineral separation, in particular to a flotation tailing defoaming stirring barrel which is used for defoaming and treating magnesium flotation tailing. Comprises a barrel body, a feeding pipe, a discharging pipe, a transmission device, a first defoaming paddle, a second defoaming paddle, a centrifugal impeller, a stirring shaft, a slurry pump, a vane needle, a vane and a chassis. Wherein, transmission arranges the staving top in, (mixing) shaft upper end connection transmission, and first defoaming paddle and second defoaming paddle are connected to the middle-end, and centrifugal impeller is connected to the lower extreme, and the inlet pipe is located transmission by, arranges the staving top in with 7% slope, and the one end of discharging pipe is located the staving middle-end, and the sediment stuff pump is connected to the other end. The invention utilizes mechanical energy in the defoaming process to replace the flow of utilizing water pressure and a spray head to add the defoaming agent in the prior art, greatly improves the use efficiency of equipment, is more energy-saving and environment-friendly, and reduces the production cost and the investment cost.
Description
Technical Field
The invention relates to auxiliary equipment for mineral separation, in particular to a flotation tailing defoaming stirring barrel which is used for defoaming and treating magnesium flotation tailing.
Background
In the mineral flotation process, foam products separated by a flotation machine or a flotation column are usually fed into a buffer tank and pumped to the next operation link by a pump, the reverse flotation is usually adopted for magnesium flotation, a large amount of flotation foam is generated in the flotation process, a centrifugal pump cannot pump the foam, the foam is floated on the liquid surface due to the fact that the foam density is lower than that of water, mineral powder is attached to the foam, the mineral powder cannot be precipitated in a thickener, and the dehydration process cannot be completed.
The foam of the magnesium flotation tailings is great difficult in mineral separation, the traditional method uses water to remove the foam through a spray head, adds a small amount of defoaming agent, not only increases the cost, but also increases the dehydration difficulty, the prior art uses system circulating water to break the foam through a plurality of spray heads and then a small amount of defoaming agent, then uses a slurry pump to convey the slurry to a thickener, the thickener concentrates the slurry to corresponding concentration, and then a filter press pump presses the slurry to a filter press to complete the dehydration process, but the method uses a large amount of water and medicament in the defoaming process, and then the following problems occur: 1. the water consumption is increased, and the water quantity circulated by the system is increased by using a plurality of spray heads; 2. the ore pulp conveyed to the thickener is increased, the ore pulp concentration is reduced, the type selection of the thickener is increased, the power is increased, the electric power is increased, and the investment is increased; 3. the residual defoaming agent can cause residual chemicals in the circulating water in the treatment process to influence the ore dressing quality, and the use of flotation chemicals can be increased.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the flotation tailing defoaming stirring barrel which does not need to add water or a defoaming agent and is suitable for the mineral separation working condition.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the invention comprises a barrel body, a feeding pipe, a discharging pipe, a transmission device, a first defoaming paddle, a second defoaming paddle, a centrifugal impeller, a stirring shaft, a slurry pump, a vane needle, a vane and a chassis. Wherein, transmission arranges the staving top in, (mixing) shaft upper end connection transmission, and first defoaming paddle and second defoaming paddle are connected to the middle-end, and centrifugal impeller is connected to the lower extreme, and the inlet pipe is located transmission side, arranges the staving top in, and the one end of discharging pipe is located the staving middle-end, and the sediment stuff pump is connected to the other end.
A plurality of leaf needles are arranged on the periphery of the first defoaming paddle and the second defoaming paddle, and the distance between every two leaf needles is 50 mm; first defoaming paddle is last, and second defoaming paddle is under, and the interval between first defoaming paddle and the second defoaming paddle is 200mm, becomes the cross and installs on the (mixing) shaft, and second defoaming paddle and centrifugal impeller interval 500mm, centrifugal impeller are apart from the barrel head 300mm height.
The centrifugal impeller is provided with 6 blades and is evenly arranged on the chassis.
The use method of the defoaming stirring barrel comprises the following steps:
1) adding the flotation foam into the barrel body from the feeding pipe;
2) starting a transmission device, wherein under the driving of a stirring shaft, a first defoaming blade and a second defoaming blade are rotationally stirred, the speed is changed at a frequency of 0-280, the frequency can be adjusted according to the addition amount of foam, and the flotation foam is gradually changed into flotation slurry to finally become ore pulp;
3) the ore pulp is settled to the bottom of the stirring barrel, and the centrifugal impeller continues to stir, so that the ore pulp is uniformly mixed and simultaneously the vortex is stirred to prevent the ore pulp from settling;
4) and along with the continuous increase of the ore pulp, the liquid level rises and reaches the discharge pipe under the action of the vortex, the ore pulp flows into the inlet of the slag pulp pump from the discharge pipe, is pumped to the thickener by the slag pulp pump, is settled in the thickener, and is pumped to the filter press for drying by the filter press pump when the concentration reaches 30 percent.
The invention has the beneficial effects that: the invention utilizes mechanical energy in the defoaming process to replace the flow of utilizing water pressure and a spray head to add the defoaming agent in the prior art, greatly improves the use efficiency of equipment, is more energy-saving and environment-friendly, and reduces the production cost and the investment cost.
Drawings
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural diagram of a defoaming paddle;
FIG. 3 is a schematic view of the installation of the defoaming paddle;
FIG. 4 is a schematic structural view of a centrifugal impeller;
fig. 5 is a top view of the centrifugal impeller.
Wherein: 1. the defoaming device comprises a barrel body, 2 parts of a feeding pipe, 3 parts of a discharging pipe, 4 parts of a transmission device, 5-a parts of a first defoaming paddle, 5-b parts of a second defoaming paddle, 6 parts of a centrifugal impeller, 7 parts of a stirring shaft, 8 parts of a slurry pump, 9 parts of a blade needle, 10 parts of a blade, 11 parts of a chassis.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, the thicknesses of layers and regions are exaggerated for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.
Referring to the attached drawing 1, the invention comprises a barrel body 1, a feeding pipe 2, a discharging pipe 3, a transmission device 4, a first defoaming paddle 5-a, a second defoaming paddle 5-b, a centrifugal impeller 6, a stirring shaft 7, a slurry pump 8, a blade needle 9, blades 10 and a chassis 11. Wherein, transmission device 4 is arranged at the top end of barrel body 1, the upper end of stirring shaft 7 is connected with transmission device 4, the middle end is connected with first defoaming paddle 5-a and second defoaming paddle 5-b, the lower end is connected with centrifugal impeller 6, feeding pipe 2 is arranged beside transmission device 4 and is arranged at the top end of barrel body 1, one end of discharging pipe 3 is arranged at the middle end of barrel body 1, and the other end is connected with slurry pump 8.
The transmission device 4 utilizes an 11KW-6 grade motor, a driving belt pulley and a driven belt pulley (the speed ratio is 1: 3.5) are connected with a transmission main shaft through a triangular belt to rotate, the rotating speed is adjusted by a frequency converter, and the adjusting range is 0-280 revolutions. The transmission device 4 drives the stirring shaft 7 to rotate, so as to drive the first defoaming paddle 5-a, the second defoaming paddle 5-b and the centrifugal impeller 6 to rotate.
As shown in fig. 2 and 3, the first defoaming paddle 5-a and the second defoaming paddle 5-b are both 600mm long, 100mm wide and 30mm thick, and a needle 9 is installed on the periphery of each paddle every 50mm, and the diameter of the needle 9 is 10mm and the height is 50 mm; the first defoaming paddle 5-a is on the top, the second defoaming paddle 5-b is on the bottom, the distance between the first defoaming paddle 5-a and the second defoaming paddle 5-b is 200mm, the first defoaming paddle 5-a and the second defoaming paddle 5-b are arranged on the stirring shaft 7 in a cross shape, the distance between the second defoaming paddle 5-b and the centrifugal impeller 6 is 500mm, and the centrifugal impeller 6 is 300mm high away from the bottom of the barrel. The first defoaming paddle 5-a, the second defoaming paddle 5-b and the leaf needle 9 are all made of Q235.
As shown in fig. 4 and 5, the centrifugal impeller 6 has 6 blades 10, and is mounted on the base plate 11 on average, and the diameter of the base plate 11 is 500 mm.
Flotation foam naturally flows into the barrel body 1 from the feeding pipe 2, under the drive of the transmission device 4 and the stirring shaft 7, the first defoaming paddle 5-a and the second defoaming paddle 5-b are rotationally stirred, the speed is changed at 0-280, the frequency can be adjusted according to the addition of the foam, the foam does not overflow out of the stirring barrel, the first defoaming paddle 5-a and the second defoaming paddle 5-b are crossed, the flotation foam is stirred to the maximum extent, the vane needles 9 on the paddles further break the flotation foam, the combination of the flotation foam and water and air is facilitated, the flotation foam is gradually changed into flotation slurry under the rotational stirring to finally become ore pulp, the ore pulp sinks to the bottom of the stirring barrel, the centrifugal impeller 6 continues to stir, the vortex is stirred to prevent the sedimentation while the ore pulp is uniformly mixed, and the foam continuously flows in along with the foam, the ore pulp is continuously increased, the liquid level is also continuously increased, the ore pulp reaches the discharge pipe 3 under the action of vortex, the ore pulp flows into the inlet of the slurry pump 8 from the discharge pipe 3, is pumped to the thickener by the slurry pump 8, is settled in the thickener, and is pumped to the filter press by the filter press pump to be pressed and dried when the concentration reaches 30 percent.
Along with the foam flowing to the stirring barrel continuously, the pulp is pumped by the slurry pump 8 continuously, and the continuous operation is performed in the same week.
Compared with the prior art under the same condition, the invention is more energy-saving and environment-friendly, and reduces the production cost and the investment cost, as shown in Table 1.
TABLE 1 comparison of the results with the prior art (based on dry tailings 10 ton/h)
| Maximum defoaming capability (m/h) | Electric power consumption (KW) | Concentration of tailings | |
| The invention | 700 | 11 | 7% |
| Prior art technique | 700 | 65 | 3.36% |
In conclusion, the electric power can be saved by 64KW/h per 10 tons of foam for treating tailings, namely, the electricity can be saved by about 100 degrees per hour and 10 degrees per ton. There is also a relative reduction in thickener profiling, at about 30%.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the accompanying drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. Flotation tailing defoaming agitator, its characterized in that, including staving (1), inlet pipe (2), discharging pipe (3), transmission (4), first defoaming paddle (5-a), second defoaming paddle (5-b), centrifugal impeller (6), (mixing) shaft (7), sediment stuff pump (8) and leaf needle (9), staving (1) top is arranged in to transmission (4), transmission (4) is connected to (mixing) shaft (7) upper end, first defoaming paddle (5-a) and second defoaming paddle (5-b) are connected to the middle-end, centrifugal impeller (6) are connected to the lower extreme, inlet pipe (2) are located transmission (4) next door, arrange staving (1) top in, discharging pipe (3) one end is located staving (1) middle-end, sediment stuff pump (8) is connected to the other end.
2. The flotation tailing defoaming mixing tank according to claim 1, wherein the first defoaming paddle (5-a) is arranged above the second defoaming paddle (5-b) is arranged below the first defoaming paddle, the distance between the first defoaming paddle (5-a) and the second defoaming paddle (5-b) is 200mm, and the first defoaming paddle and the second defoaming paddle are arranged on the mixing shaft (7) in a cross shape.
3. The flotation tailing defoaming and stirring barrel according to claim 1 or 2, wherein the peripheries of the first defoaming paddle (5-a) and the second defoaming paddle (5-b) are provided with leaf needles (9), and the distance between the leaf needles (9) is 50 mm.
4. The flotation tailing defoaming mixing tank of claim 1, wherein the distance between the second defoaming paddle (5-b) and the centrifugal impeller (6) is 500mm, and the height of the centrifugal impeller (6) is 300mm from the bottom of the tank.
5. The flotation tailing defoaming agitator of claim 5, characterized in that the centrifugal impeller (6) has 6 blades (10) and is evenly arranged on the bottom plate (11).
6. The flotation tailing defoaming mixing tank of any one of claims 1 to 5, wherein the method for using the flotation tailing defoaming mixing tank comprises the following steps:
1) adding flotation foam into the barrel body (1) from the feeding pipe (2);
2) starting a transmission device (4), and under the drive of a stirring shaft (7), rotationally stirring a first defoaming paddle (5-a) and a second defoaming paddle (5-b) at the speed of 0-280 revolutions for frequency conversion, so that flotation foam is finally formed into ore pulp;
3) the ore pulp is settled to the bottom of the stirring barrel, and the centrifugal impeller (6) continues to stir, so that the ore pulp is uniformly mixed and simultaneously the vortex is stirred to prevent the ore pulp from settling;
4) along with the continuous increase of the ore pulp, the liquid level rises and reaches the discharge pipe (3) under the effect of the vortex, and the ore pulp flows into the inlet of the slurry pump (8) from the discharge pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011257838.0A CN114471957A (en) | 2020-11-12 | 2020-11-12 | Flotation tailing defoaming agitator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011257838.0A CN114471957A (en) | 2020-11-12 | 2020-11-12 | Flotation tailing defoaming agitator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114471957A true CN114471957A (en) | 2022-05-13 |
Family
ID=81490455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011257838.0A Pending CN114471957A (en) | 2020-11-12 | 2020-11-12 | Flotation tailing defoaming agitator |
Country Status (1)
| Country | Link |
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| CN (1) | CN114471957A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115445511A (en) * | 2022-09-06 | 2022-12-09 | 赣州骏友机械设备有限公司 | Chemical metallurgy is with synthesizing mixer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204380867U (en) * | 2014-12-24 | 2015-06-10 | 河北钢铁集团矿业有限公司 | A kind of flotation mine tailing Defoaming machine |
| CN205164970U (en) * | 2015-10-28 | 2016-04-20 | 中国矿业大学 | Flotation is with mechanical defoaming buffering bucket |
| CN105854773A (en) * | 2016-06-02 | 2016-08-17 | 范素琴 | Pharmaceutical reaction still defoaming stirrer |
| CN208893679U (en) * | 2018-07-25 | 2019-05-24 | 中煤（天津）洗选科技有限公司 | The integrated defoaming device of coal slime flotation |
| CN214487375U (en) * | 2020-11-12 | 2021-10-26 | 营口盛海化工有限公司 | Flotation tailing defoaming agitator |
-
2020
- 2020-11-12 CN CN202011257838.0A patent/CN114471957A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204380867U (en) * | 2014-12-24 | 2015-06-10 | 河北钢铁集团矿业有限公司 | A kind of flotation mine tailing Defoaming machine |
| CN205164970U (en) * | 2015-10-28 | 2016-04-20 | 中国矿业大学 | Flotation is with mechanical defoaming buffering bucket |
| CN105854773A (en) * | 2016-06-02 | 2016-08-17 | 范素琴 | Pharmaceutical reaction still defoaming stirrer |
| CN208893679U (en) * | 2018-07-25 | 2019-05-24 | 中煤（天津）洗选科技有限公司 | The integrated defoaming device of coal slime flotation |
| CN214487375U (en) * | 2020-11-12 | 2021-10-26 | 营口盛海化工有限公司 | Flotation tailing defoaming agitator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115445511A (en) * | 2022-09-06 | 2022-12-09 | 赣州骏友机械设备有限公司 | Chemical metallurgy is with synthesizing mixer |
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