CN210815740U - Flotation device based on ultrasonic cleaning - Google Patents
Flotation device based on ultrasonic cleaning Download PDFInfo
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- CN210815740U CN210815740U CN201921563882.7U CN201921563882U CN210815740U CN 210815740 U CN210815740 U CN 210815740U CN 201921563882 U CN201921563882 U CN 201921563882U CN 210815740 U CN210815740 U CN 210815740U
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Abstract
The utility model belongs to the technical field of mineral flotation, specifically a flotation device based on ultrasonic cleaning has solved the problem in the background art, the flotation column includes ultrasonic cleaning mechanism, flotation column body and pan feeding unit. Mineral can be fully dissociated through ultrasonic cleaning mechanism, give full play to flotation column improves the superiority of grade, the effect of dispersing through ultrasonic cleaning disperses the granule in the ore pulp as far as, can effectively make the fine silt peel off from the surface of useful mineral through ultrasonic cleaning's operation, reduce ore pulp viscosity, the phenomenon of congealing each other between the different mineral particles has been reduced, effectively improved the hydrophobicity and the contact efficiency on mineral particle surface, and improved the rate of catching of bubble to mineral particle, reduce or even stop the emergence of slime "armor" phenomenon, the capacity of carrying of bubble has been improved, to sum up flotation device based on ultrasonic cleaning has the outstanding advantage such as separation efficiency height, the separation precision is high, concentrate taste height.
Description
Technical Field
The utility model belongs to the technical field of mineral flotation, a flotation device is related to, specifically a flotation device based on ultrasonic cleaning.
Background
The invention relates to a flotation column, and various flotation columns are carried out in the last 60 years and fifty years. The micro-bubble flotation column was invented by Vir-giniaTech in the early 80 s of the last century and has been successfully applied to industries such as coal, minerals, kaolin, graphite and the like. The micro-bubble flotation column is characterized in that the bubble generator can generate micro bubbles with the diameter of 100-400 mu m. The micro-bubbles can improve the flotation rate, improve the fine particle separation efficiency and improve the treatment capacity. The above factors make the micro-bubble flotation column more vital.
Compared with other flotation equipment, the flotation column has the advantages of convenience in adjustment of the thickness of a ① foam layer, the size and the number of bubbles and the like, high flotation efficiency of ②, few operation times and circulating ore quantity and simplified flow, reduced rising speed of bubble groups due to countercurrent contact of ③ ore particles and bubbles, suitability for recovery of fine ore, simple equipment of ④, small floor area, capability of saving capital investment, low energy consumption of ⑤, less medicament consumption compared with a traditional flotation machine and reduced production cost.
However, the flotation column also has its limitations, mainly expressed as: mineral dissociation is insufficient, the superiority of improving the grade of the mineral can not be exerted, ore pulp with high viscosity can cause extremely poor tailing foam, fine-grain gangue is easy to stay in the ore pulp for a long time, and the flotation process is deteriorated; secondly, mutual coagulation between different mineral particles is easy to occur due to the remarkable increase of the surface energy of the particles. The slime (useless minerals such as montmorillonite and kaolin) is adsorbed on the surface of useful mineral particles to form fine slime covering, and the hydrophobicity and the contact efficiency of the particle surface are reduced. Due to the reduction of the contact efficiency, the capture rate of the bubbles to the particles is reduced, and the phenomenon of slime armor of the bubbles is generated at the same time, so that the carrying capacity of the bubbles is influenced.
In summary, how to achieve effective separation and dispersion of different mineral particles and stable bubble attachment is a flotation problem to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving the background art in technical problem. Therefore, the utility model provides a flotation device based on ultrasonic cleaning.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a flotation device based on ultrasonic cleaning, which comprises an ultrasonic cleaning mechanism, a flotation column body and a feeding unit; the ultrasonic cleaning mechanism comprises an ultrasonic generator positioned at the top of the flotation column body, an ultrasonic cleaning space positioned at the center of one third of the upper part of the flotation column body, a stirring impeller positioned at the center of the ultrasonic cleaning space and a vertical pipe penetrating through the top of the flotation column body, one port of the vertical pipe is communicated with an upper port of the ultrasonic cleaning space, the other port of the vertical pipe is communicated with the feeding unit, a driving mechanism is arranged above the vertical pipe and comprises a driving rotating shaft, and the driving rotating shaft penetrates through the vertical pipe to be connected with the stirring impeller; the ultrasonic cleaning space is a cylinder with a sealed bottom, the upper part of the ultrasonic cleaning space is contracted into a frustum shape and forms an upper port, a plurality of through holes are formed in the conical surface of the frustum shape, and the inner side of the cylinder of the ultrasonic cleaning space is also provided with a vibration steel plate and a plurality of ultrasonic transducers which are positioned on the outer side of the vibration steel plate and connected with the ultrasonic generator; the flotation column body comprises a flotation space, a concentrate collecting tank arranged at the upper end part of the flotation space, a tailing discharge opening arranged below the bottom of the flotation space and a bubble generator arranged above the bottom of the flotation space.
The ultrasonic cleaning mechanism mainly utilizes the cavitation, acceleration and direct current functions of ultrasonic waves in liquid to generate direct and indirect effects on mineral particles in ore pulp, so that particles in the ore pulp are dispersed and stripped to achieve the cleaning purpose, and useful minerals are released from the package of the slime and further captured by bubbles; in addition, the ultrasonic cleaning can also make the hydrated film on the surface of the useful mineral thin, unstable and even easy to break, thereby increasing the hydrophobicity and improving the flotation effect, the ultrasonic cleaning mechanism has an improvement effect on the surface chemical property of mineral particles and can promote the emulsification of the medicament, and the medicament is added from the feeding unit, thereby increasing the use efficiency of the medicament and reducing the dosage of the medicament. In addition, the ore pulp in the ultrasonic cleaning space is subjected to ultrasonic cleaning and dispersion, and the ore pulp, air bubbles, a foam layer and the like outside the ultrasonic cleaning space are not influenced by ultrasonic waves. Mineral can be fully dissociated through ultrasonic cleaning mechanism, give full play to flotation column improves the superiority of grade, the effect of dispersing through ultrasonic cleaning disperses the granule in the ore pulp as far as, can effectively make the fine silt peel off from the surface of useful mineral through ultrasonic cleaning's operation, reduce ore pulp viscosity, the phenomenon of congealing each other between the different mineral particles has been reduced, effectively improved the hydrophobicity and the contact efficiency on mineral particle surface, and improved the rate of catching of bubble to mineral particle, reduce or even stop the emergence of slime "armor" phenomenon, the capacity of carrying of bubble has been improved, to sum up flotation device based on ultrasonic cleaning has the outstanding advantage such as separation efficiency height, the separation precision is high, concentrate taste height.
Further, the vertical pipe is extended and extends into the ultrasonic cleaning space, and the extended end of the vertical pipe is positioned above the stirring impeller. The ore pulp is inputed to the riser by the pan feeding unit, the ore pulp is directly sent to the inside impeller top in ultrasonic cleaning space along the riser, and the ore pulp is owing to self gravity downward flow, can prevent effectively that the ore pulp from spouting to directly from the through-hole, and when the inside stirring leaf in ultrasonic cleaning space was rotatory, drive the ore pulp of ultrasonic cleaning space bottom upwards flows to the time that makes the ore pulp in the dwell in ultrasonic cleaning space longer, has prolonged stirring and ultrasonic cleaning's activity duration, has further promoted the dispersion of granule in the ore pulp, improves and washs the effect of dispersion, and is last the inside ore pulp in ultrasonic cleaning space piles up the back and flows to from the through-hole on the conical surface in the flotation space.
Preferably, the feeding unit comprises a pulp mixing tank, a feeding pump communicated with the bottom of the pulp mixing tank, and a feeding pipe, one end of the feeding pipe is communicated with the outlet of the feeding pump, and the other end of the feeding pipe is communicated with the vertical pipe. More preferably, the diameter of the stand pipe is more than three times the diameter of the feeding pipe. The diameter of the vertical pipe is larger than three times of the diameter of the feeding pipe, because the stirring impeller can drive a little ore pulp to move upwards and enter the vertical pipe, and the ore pulp sprayed out of the feeding pipe also enters the vertical pipe, the space of the vertical pipe is easy to be insufficient, so that the capacity of the vertical pipe is increased by enlarging the diameter of the vertical pipe, and finally, the redundant space of the vertical pipe is kept all the time, so that the feeding is not influenced.
Furthermore, spray water devices are uniformly distributed at the top of the flotation space. The spray water device is mainly used for spraying clear water to a foam layer formed at the upper part of the flotation space, so that ash content is reduced and concentrate grade is improved.
Preferably, the bottom surface of the concentrate collecting groove is inclined, and the concentrate outlet of the concentrate collecting groove is arranged at the lowest position of the concentrate collecting groove. The bottom surface of the concentrate collecting groove is inclined mainly for conveniently collecting concentrate, and the concentrate can be smoothly discharged from a concentrate outlet at the lowest position of the concentrate collecting groove.
The utility model has the advantages that: the ultrasonic cleaning mechanism mainly utilizes the cavitation, acceleration and direct current functions of ultrasonic waves in liquid to generate direct and indirect effects on mineral particles in ore pulp, so that the particles in the ore pulp are dispersed and stripped to achieve the purpose of cleaning, and useful minerals are released from the package of the slime and further captured by bubbles; in addition, the ultrasonic cleaning can also make the hydrated film on the surface of the useful mineral thin, unstable and even easy to break, thereby increasing the hydrophobicity and improving the flotation effect; in addition, the ore pulp in the ultrasonic cleaning space is subjected to ultrasonic cleaning and dispersion, and the ore pulp, air bubbles, a foam layer and the like outside the ultrasonic cleaning space are not influenced by ultrasonic waves; mineral can be fully dissociated through ultrasonic cleaning mechanism, give full play to flotation column improves the superiority of grade, the effect of dispersing through ultrasonic cleaning disperses the granule in the ore pulp as far as, can effectively make the fine silt peel off from the surface of useful mineral through ultrasonic cleaning's operation, reduce ore pulp viscosity, the phenomenon of congealing each other between the different mineral particles has been reduced, effectively improved the hydrophobicity and the contact efficiency on mineral particle surface, and improved the rate of catching of bubble to mineral particle, reduce or even stop the emergence of slime "armor" phenomenon, the capacity of carrying of bubble has been improved, to sum up flotation device based on ultrasonic cleaning has the outstanding advantage such as separation efficiency height, the separation precision is high, concentrate taste height.
Drawings
Fig. 1 is the overall structure schematic diagram of the flotation device based on ultrasonic cleaning of the present invention.
Fig. 2 is a schematic structural diagram of the ultrasonic cleaning space of the present invention.
In the figure: 1-ultrasonic cleaning mechanism; 2-a flotation column body; 3-a feeding unit; 101-an ultrasonic generator; 102-ultrasonic cleaning space; 103-stirring impeller; 104-a riser; 105-a drive mechanism; 106-driving the rotating shaft; 107-through holes; 108-vibrating the steel plate; 109-an ultrasonic transducer; 201-a flotation space; 202-concentrate collection tank; 203-tailing discharge; 204-a bubble generator; 205-a water spray device; 301-a size mixing tank; 302-a feed pump; 303-a feeding pipe; 304-stirring device.
Detailed Description
Referring to fig. 1 to 2, a flotation device based on ultrasonic cleaning according to the present invention will now be described.
An ultrasonic cleaning-based flotation device is shown in figure 1 and comprises an ultrasonic cleaning mechanism 1, a flotation column body 2 and a feeding unit 3; the ultrasonic cleaning mechanism 1 comprises an ultrasonic generator 101 positioned at the top of the flotation column body 2, an ultrasonic cleaning space 102 positioned at the center of one third of the upper part of the flotation column body 2, a stirring impeller 103 positioned at the center of the ultrasonic cleaning space 102 and a vertical pipe 104 penetrating through the top of the flotation column body 2, one port of the vertical pipe 104 is communicated with the upper port of the ultrasonic cleaning space 102, the other port of the vertical pipe 104 is communicated with the feeding unit 3, a driving mechanism 105 is arranged above the vertical pipe 104, the driving mechanism 105 comprises a driving rotating shaft 106, and the driving rotating shaft 106 penetrates through the vertical pipe 104 to be connected with the stirring impeller 103; as shown in fig. 2, the ultrasonic cleaning space 102 is a cylinder with a sealed bottom, the upper portion of the ultrasonic cleaning space 102 is contracted into a frustum shape and forms an upper port, a plurality of through holes 107 are formed on the conical surface of the frustum shape, and a vibration steel plate 108 and a plurality of ultrasonic transducers 109 which are located outside the vibration steel plate 108 and connected to the ultrasonic generator 101 are further arranged inside the cylinder of the ultrasonic cleaning space 102; the flotation column body 2 comprises a flotation space 201, a concentrate collection trough 202 located at the upper end of the flotation space 201, a tailings discharge opening 203 located below the bottom of the flotation space 201, and a bubble generator 204 located above the bottom of the flotation space 201.
The ultrasonic cleaning mechanism 1 mainly utilizes cavitation, acceleration and direct current functions of ultrasonic waves in liquid to generate direct and indirect effects on mineral particles in ore pulp, so that particles in the ore pulp are dispersed and stripped to achieve the cleaning purpose, and useful minerals are released from the package of slime and further captured by bubbles; in addition, the ultrasonic cleaning can also make the hydrated film on the surface of the useful mineral thin, unstable and even easy to break, thereby increasing the hydrophobicity and improving the flotation effect, the ultrasonic cleaning mechanism 1 has the effect of improving the surface chemical property of mineral particles and can promote the emulsification of the medicament, and the medicament is added from the feeding unit 3, thereby increasing the use efficiency of the medicament and reducing the dosage of the medicament. In addition, the pulp in the ultrasonic cleaning space 102 is subjected to ultrasonic cleaning and dispersing action, and the pulp, air bubbles, foam layers and the like outside the ultrasonic cleaning space 102 are not affected by ultrasonic waves. Mineral can be fully dissociated through ultrasonic cleaning mechanism 1, the superiority of high grade is improved to full play flotation column, the effect of dispersing through ultrasonic cleaning disperses the granule in the ore pulp as far as, can effectively make the fine silt peel off from the surface of useful mineral through ultrasonic cleaning's operation, reduce ore pulp viscosity, the phenomenon of congealing each other between the different mineral particles has been reduced, effectively improve the hydrophobicity and the contact efficiency on mineral particle surface, and improved the rate of catching of bubble to mineral particle, reduce or even stop the emergence of slime "armor" phenomenon, the capacity of bubble has been improved, to sum up flotation device based on ultrasonic cleaning has the outstanding advantage such as separation efficiency height, the separation precision is high, concentrate taste height.
Further, as a specific embodiment of the flotation device based on ultrasonic cleaning of the present invention, the vertical pipe 104 is extended and extended into the inside of the ultrasonic cleaning space 102, and the end of the extended vertical pipe 104 is located above the stirring impeller 103. The ore pulp is input into the vertical pipe 104 by the feeding unit 3, the ore pulp is directly conveyed to the upper part of the stirring impeller 103 in the ultrasonic cleaning space 102 along the vertical pipe 104, the ore pulp flows downwards due to the gravity of the ore pulp, the ore pulp can be effectively prevented from being directly sprayed out from the through hole 107, when the stirring blade in the ultrasonic cleaning space 102 rotates, the ore pulp at the bottom of the ultrasonic cleaning space 102 is driven to flow upwards, so that the retention time of the ore pulp in the ultrasonic cleaning space 102 is longer, the stirring and ultrasonic cleaning operation time is prolonged, the dispersion of particles in the ore pulp is further promoted, the cleaning dispersion effect is improved, and finally the ore pulp in the ultrasonic cleaning space 102 flows into the flotation space 201 from the through hole 107 on the conical surface after being accumulated.
Further, as specific implementation mode of flotation device based on ultrasonic cleaning, pan feeding unit 3 including transfer thick liquid pond 301, with transfer the pan feeding pump 302 and one end that thick liquid pond 301 bottom is linked together with the pan feeding pump 302 export be linked together and the other end with pan feeding pipe 303 that riser 104 is linked together.
Further, as the specific implementation mode of flotation device based on ultrasonic cleaning, the pipe diameter of riser 104 is greater than the tripling pan feeding pipe 303 pipe diameter. The diameter of the feed pipe 303 of the vertical pipe 104 is larger than three times, because the stirring impeller 103 drives a little ore pulp to move upwards and enter the vertical pipe 104, and the ore pulp sprayed by the feed pipe 303 also enters the vertical pipe 104, the space of the vertical pipe 104 is easily insufficient, so the capacity of the vertical pipe 104 is increased by enlarging the diameter of the vertical pipe 104, and finally, the vertical pipe 104 is kept to have surplus space all the time, thereby not affecting the feed.
Further, as the utility model discloses a flotation device's embodiment based on ultrasonic cleaning, size mixing pond 301 is provided with agitating unit 304. The stirring device 304 can continuously stir the size mixing tank 301 in the process of conveying the ore pulp, so that the medicament in the size mixing tank 301 can be uniformly mixed with the ore pulp.
Further, as the utility model discloses a flotation device's embodiment based on ultrasonic cleaning, the top evenly distributed of flotation space 201 has shower 205. The spray water device 205 is mainly used for spraying clean water to the foam layer formed at the upper part of the flotation space 201, so as to reduce ash content and improve concentrate grade.
Further, as concrete implementation mode of flotation device based on ultrasonic cleaning, the bottom surface of concentrate collecting vat 202 is the slope form, the concentrate export setting of concentrate collecting vat 202 is in the lower of concentrate collecting vat 202. The inclined bottom surface of the concentrate collecting groove 202 is mainly used for collecting concentrate conveniently, and the concentrate can be discharged from the concentrate outlet at the lowest position of the concentrate collecting groove 202 smoothly.
To sum up, a flotation device based on ultrasonic cleaning's work flow as follows: the ore pulp and the medicament are fully and uniformly stirred in the size mixing tank 301, the mixed ore pulp enters the vertical pipe 104 through the feeding pipe 303 through the feeding pump 302, the ore pulp enters the ultrasonic cleaning space 102 along the vertical pipe 104, then mineral particles in the ore pulp are fully cleaned and dispersed in the ultrasonic cleaning space 102, and then the mineral particles are sprayed out of the through hole 107 of the conical surface of the ultrasonic cleaning space 102 into the flotation space 201 of the flotation column body 2; compressed air generates a large amount of fine bubbles through the bubble generator 204 and fills the flotation space 201, ore pulp slowly descends under the action of gravity, the bubbles slowly rise from bottom to top, the bubbles continuously meet with useful mineral particles to be selected in the ore pulp, the mineral particles to be selected are attached to the surface of the rising bubbles due to the action of a medicament in convection motion, a mineralized foam layer is formed at the upper part of the flotation space 201, more and more mineralized foam layers are automatically constricted into the concentrate collecting tank 202, and other minerals such as gangue or useless minerals are discharged from a tailing discharge port 203 at the lower part of the flotation space 201.
The above detailed description is provided to illustrate the preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope of the present invention defined by the claims.
Claims (7)
1. The utility model provides a flotation device based on ultrasonic cleaning which characterized in that: the flotation device comprises an ultrasonic cleaning mechanism (1), a flotation column body (2) and a feeding unit (3);
the ultrasonic cleaning mechanism (1) comprises an ultrasonic generator (101) positioned at the top of the flotation column body (2), an ultrasonic cleaning space (102) positioned at the center of one third of the upper part of the flotation column body (2), a stirring impeller (103) positioned at the center of the ultrasonic cleaning space (102) and a vertical pipe (104) penetrating through the top of the flotation column body (2), one port of the vertical pipe (104) is communicated with an upper port of the ultrasonic cleaning space (102), the other port of the vertical pipe (104) is communicated with the feeding unit (3), a driving mechanism (105) is arranged above the vertical pipe (104), the driving mechanism (105) comprises a driving rotating shaft (106), and the driving rotating shaft (106) penetrates through the vertical pipe (104) and is connected with the stirring impeller (103);
the ultrasonic cleaning space (102) is a cylinder with a sealed bottom, the upper part of the ultrasonic cleaning space (102) is contracted into a frustum shape and forms an upper port, a plurality of through holes (107) are formed in the conical surface of the frustum shape, and the inner side of the cylinder of the ultrasonic cleaning space (102) is also provided with a vibration steel plate (108) and a plurality of ultrasonic transducers (109) which are positioned on the outer side of the vibration steel plate (108) and connected with the ultrasonic generator (101);
the flotation column body (2) comprises a flotation space (201), a concentrate collecting tank (202) positioned at the upper end part of the flotation space (201), a tailing discharge opening (203) positioned below the bottom of the flotation space (201) and a bubble generator (204) positioned above the bottom of the flotation space (201).
2. The ultrasonic cleaning-based flotation device according to claim 1, wherein: the vertical pipe (104) is extended and extends into the ultrasonic cleaning space (102), and the end of the vertical pipe (104) after being extended is positioned above the stirring impeller (103).
3. An ultrasonic cleaning based flotation device according to claim 1 or 2, characterized in that: the feeding unit (3) comprises a slurry mixing pool (301), a feeding pump (302) communicated with the bottom of the slurry mixing pool (301), and a feeding pipe (303) one end of which is communicated with the outlet of the feeding pump (302) and the other end of which is communicated with the vertical pipe (104).
4. The ultrasonic cleaning-based flotation device according to claim 3, wherein: the diameter of the vertical pipe (104) is more than three times that of the feeding pipe (303).
5. The ultrasonic cleaning-based flotation device according to claim 4, wherein: the slurry mixing tank (301) is provided with a stirring device (304).
6. The ultrasonic cleaning-based flotation device according to claim 4, wherein: and spray water devices (205) are uniformly distributed at the top of the flotation space (201).
7. The ultrasonic cleaning-based flotation device according to claim 6, wherein: the bottom surface of the concentrate collecting groove (202) is inclined, and a concentrate outlet of the concentrate collecting groove (202) is arranged at the lowest position of the concentrate collecting groove (202).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921563882.7U CN210815740U (en) | 2019-09-19 | 2019-09-19 | Flotation device based on ultrasonic cleaning |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921563882.7U CN210815740U (en) | 2019-09-19 | 2019-09-19 | Flotation device based on ultrasonic cleaning |
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| CN210815740U true CN210815740U (en) | 2020-06-23 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111974746A (en) * | 2020-08-21 | 2020-11-24 | 中国石油大学(华东) | Device for cleaning filler by flotation bubbles and cleaning method |
| CN112892873A (en) * | 2021-01-18 | 2021-06-04 | 湖南有色金属研究院 | Method for separating ultrafine graphite flotation concentrate from impurities |
| CN113102121A (en) * | 2021-04-15 | 2021-07-13 | 江苏仕能工业技术有限公司 | Flotation device convenient to wash |
| CN114804182A (en) * | 2022-04-26 | 2022-07-29 | 安康市汉滨区东香矿业公司 | Production process for reducing viscosity effect of barite powder |
| CN113102121B (en) * | 2021-04-15 | 2024-04-19 | 江苏仕能工业技术有限公司 | Flotation machine convenient to wash |
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2019
- 2019-09-19 CN CN201921563882.7U patent/CN210815740U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111974746A (en) * | 2020-08-21 | 2020-11-24 | 中国石油大学(华东) | Device for cleaning filler by flotation bubbles and cleaning method |
| CN111974746B (en) * | 2020-08-21 | 2021-09-24 | 中国石油大学(华东) | Device for cleaning filler by flotation bubbles and cleaning method |
| CN112892873A (en) * | 2021-01-18 | 2021-06-04 | 湖南有色金属研究院 | Method for separating ultrafine graphite flotation concentrate from impurities |
| CN113102121A (en) * | 2021-04-15 | 2021-07-13 | 江苏仕能工业技术有限公司 | Flotation device convenient to wash |
| CN113102121B (en) * | 2021-04-15 | 2024-04-19 | 江苏仕能工业技术有限公司 | Flotation machine convenient to wash |
| CN114804182A (en) * | 2022-04-26 | 2022-07-29 | 安康市汉滨区东香矿业公司 | Production process for reducing viscosity effect of barite powder |
| CN114804182B (en) * | 2022-04-26 | 2024-03-15 | 安康市汉滨区东香矿业公司 | Production process for reducing viscosity effect of barite powder |
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