CN212120417U - A hydrocyclone that is used for vanadium titano-magnetite to carry out production - Google Patents
A hydrocyclone that is used for vanadium titano-magnetite to carry out production Download PDFInfo
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- CN212120417U CN212120417U CN202020197365.9U CN202020197365U CN212120417U CN 212120417 U CN212120417 U CN 212120417U CN 202020197365 U CN202020197365 U CN 202020197365U CN 212120417 U CN212120417 U CN 212120417U
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Abstract
The utility model relates to the technical field of grading of one-section closed circuit grinding of vanadium titano-magnetite, in particular to a hydrocyclone for extracting vanadium titano-magnetite, the vanadium-titanium magnetite ore settling device is provided with an overflow pipe, a feeding pipe, a barrel body and a sand settling port and is characterized in that the barrel body is cylindrical and comprises an upper section barrel body, a middle section barrel body and a lower section barrel body, the middle section barrel body consists of 0 or at least one unit barrel body, the upper section barrel body, the unit barrel body and the lower section barrel body are mutually connected through a flange plate, the upper end of the upper section barrel body is sealed through a top cover, the middle axis of the top cover is provided with the overflow pipe, the side surface of the upper section barrel body is connected with the feeding pipe in an involute mode, the bottom of the lower section barrel body is sealed through a bottom cover plate, and the middle axis of the bottom cover plate is provided with the sand settling port.
Description
Technical Field
The utility model belongs to the technical field of the classification technique of one section closed circuit ore grinding of vanadium titano-magnetite and specifically relates to a simple structure, improve the ore deposit handling capacity, reduced the sand setting in the entrainment volume of fine fraction, reduce the turbulent flow that gets into the barrel, reduce the production of short circuit flow be used for vanadium titano-magnetite to carry the hydrocyclone of product.
Background
As is known, the storage amount of vanadium titano-magnetite resources in China accounts for about one fourth of that of iron ores, and the storage amount of vanadium titano-magnetite resources in Panxi areas accounts for more than 80% of the total domestic storage amount, so that the method plays an important role in developing and supplying domestic iron ore resources. However, the vanadium titano-magnetite resource in the Panxi area has the characteristics of low ore grade, symbiosis of various elements, complex ore structure and the like, and the beneficiation process generally adopts a beneficiation process of stage grinding stage beneficiation.
In the first-stage grinding classification of the vanadium titano-magnetite, the ore is generally required to be separated after the content of-0.074 mm in an ore grinding product is 20-30%, along with the change of ore properties and the improvement of separation equipment, partial separation plants find that the selection granularity of the first-stage magnetic separation is controlled to be-2 mm, and the content of-0.074 mm in ore pulp is excessively emphasized, so that not only is part of dissociated minerals repeatedly ground, but also the load of a ball mill is overhigh, the ore grinding efficiency is low, and the processing capacity of the ball mill is limited to a certain extent.
Disclosure of Invention
The utility model aims at solving the not enough of above-mentioned prior art, provide a simple structure, improve the ore deposit handling capacity, reduced the sand setting in fine fraction the entrainment volume, reduce the turbulent flow that gets into the barrel, reduce the production of short-circuit flow be used for vanadium titano-magnetite to carry the hydrocyclone of product.
The utility model provides a technical scheme that its technical problem adopted is:
a hydrocyclone for extracting vanadium titano-magnetite is provided with an overflow pipe, a feeding pipe, a cylinder body and a sand sinking port, and is characterized in that the cylinder body is cylindrical and consists of an upper section cylinder body, a middle section cylinder body and a lower section cylinder body, the middle section cylinder body consists of 0 or at least one unit cylinder body, the upper section cylinder body, the unit cylinder body and the lower section cylinder body are sequentially connected with each other through a flange plate from top to bottom along the same central axis, the inner diameters of the upper section cylinder body, the unit cylinder body and the lower section cylinder body are 840mm, the upper end of the upper section cylinder body is sealed through a top cover, the middle axis of the top cover is provided with the overflow pipe, the upper end of the overflow pipe extends into the upper section cylinder body, the lower end of the overflow pipe extends out of the upper section cylinder body, the side surface of the upper section cylinder body is connected with the feeding pipe in an involute way, the production increasing effect of the vanadium titano-magnetite is adjusted by connecting different numbers of unit cylinders.
The involute of the inlet pipe is 1.05 times of the inner diameter of the cylinder body.
The height of upper segment barrel, hypomere barrel the same, the height of upper segment barrel and hypomere barrel is 0.5 times of barrel internal diameter, the height of unit barrel is 0.25 times of barrel internal diameter, the total height that upper segment barrel and hypomere barrel added or the total height that upper segment barrel, unit barrel and hypomere barrel added is 1~1.5 times of barrel internal diameter.
The internal diameter of the sand settling port is 0.1 to 0.12 times of the internal diameter of the barrel.
The overflow pipe internal diameter be 0.35~0.38 times of barrel internal diameter.
The effective depth of insertion of overflow pipe be 0.3~0.6 times of the barrel internal diameter of swirler upper segment barrel.
The utility model is characterized in that the cylinder body is cylindrical and comprises an upper section cylinder body, a middle section cylinder body and a lower section cylinder body, the middle section cylinder body consists of 0 or at least one unit cylinder body, the upper section cylinder body, the unit cylinder body and the lower section cylinder body are connected with each other through flanges sequentially from top to bottom along the same central axis, the inner diameters of the upper section cylinder body, the unit cylinder body and the lower section cylinder body are 840mm, the upper end of the upper section cylinder body is sealed by a top cover, an overflow pipe is arranged at the middle axis of the top cover, the upper end of the overflow pipe extends into the upper section cylinder body, the lower end of the overflow pipe extends out of the upper section cylinder body, the side surface of the upper section cylinder body is connected with an inlet pipe in an involute way, the bottom of the lower section cylinder body is sealed by a bottom cover plate, a sand sinking port is arranged at the, the involute of the feeding pipe is 1.05 times of the inner diameter of the barrel, the heights of the upper barrel and the lower barrel are the same, the heights of the upper barrel and the lower barrel are 0.5 times of the inner diameter of the barrel, the height of the unit barrel is 0.25 times of the inner diameter of the barrel, the total height of the upper barrel and the lower barrel or the total height of the upper barrel, the unit barrel and the lower barrel is 1-1.5 times of the inner diameter of the barrel, the inner diameter of the sand sinking port is 0.1-0.12 times of the inner diameter of the barrel, the effective insertion depth of the overflow pipe is 0.3-0.6 times of the inner diameter of the barrel of the upper barrel of the cyclone, and the overflow pipe has the advantages of simple structure, capability of improving the raw ore treatment capacity, reducing the entrainment of fine grain levels in sand settling, reducing the turbulence entering the barrel, reducing the short-circuit flow and the production of vanadium-titanium magnetite.
Drawings
Fig. 1 is a schematic structural view of the unit-less barrel of the present invention.
Fig. 2 is a schematic structural view of the unit cylinder of the present invention.
Fig. 3 is a top view of fig. 1 or fig. 2.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in the attached drawing, the hydrocyclone for the extraction of vanadium titano-magnetite is provided with an overflow pipe 1, a feeding pipe 2, a cylinder body and a sand settling port 3, and is characterized in that the cylinder body is cylindrical and consists of an upper section cylinder body 4, a middle section cylinder body and a lower section cylinder body 5, the middle section cylinder body consists of 0 or at least one unit cylinder body 6, the upper section cylinder body 4, the unit cylinder body 6 and the lower section cylinder body 5 are sequentially connected with each other through flanges from top to bottom along the same central axis, the inner diameters of the cylinder bodies of the upper section cylinder body 4, the unit cylinder body 6 and the lower section cylinder body 5 are 840mm, the upper end of the upper section cylinder body 4 is sealed through a top cover, the middle axis of the top cover is provided with the overflow pipe 1, the upper end of the overflow pipe 1 extends into the upper section cylinder body 4, the lower end of the overflow pipe 1 extends out of, the bottom of the lower barrel 5 is sealed by a bottom cover plate, a sand sinking port 3 is arranged at the middle axis of the bottom cover plate, the yield increasing effect of vanadium titano-magnetite is realized by connecting different numbers of unit barrels 6, the involute of the feeding pipe 2 is 1.05 times of the inner diameter of the barrel, the heights of the upper barrel and the lower barrel are the same, the heights of the upper barrel and the lower barrel are 0.5 times of the inner diameter of the barrel, the height of the unit barrel is 0.25 times of the inner diameter of the barrel, the total height of the upper barrel and the lower barrel or the total height of the upper barrel, the unit barrel and the lower barrel is 1-1.5 times of the inner diameter of the barrel, namely, the barrel is composed of the upper barrel and the lower barrel independently or the barrel, the lower barrel and one or two unit barrels, the inner diameter of the sand sinking port 3 is 0.1-0.12 times of the inner diameter of the barrel, the inner diameter of the overflow pipe 1 is 0.35-0.38 times of the inner diameter of the barrel, the effective insertion depth of the overflow pipe 1 is 0.3-0.6 times of the inner diameter of the barrel body of the upper barrel body 4 of the cyclone, and wear-resistant layers are arranged at the upper barrel body 4, the unit barrel body 6, the lower barrel body 5, the overflow pipe 1 and the sand setting port and serve as linings.
In specific use, the ore pulp of vanadium titano-magnetite ore after ball mill grinding is transported to through the slurry pump with certain pressure the utility model relates to a hydrocyclone, get into through inlet pipe 2 inside hydrocyclone through the abundant grading of upper segment barrel 4, unit barrel 6 and hypomere barrel 5, the vast majority of qualified particle size in the ore pulp can be followed overflow pipe 1 and be managed the discharge outward, the vast majority of coarse grain in the ore pulp will be followed the sand setting mouth and discharged through further loosing and layering, through setting up the barrel that is used for one section ore grinding of vanadium titano-magnetite to cylindricly and increase the barrel internal diameter to phi 840mm, when handling one section ore grinding mineral of vanadium titano-magnetite, the single platform throughput of the hydrocyclone of this patent obtains increasing, can alleviate the work load of on-the-spot production maintenance; meanwhile, the involute structure of the feeding body of the cyclone is optimized and adjusted through reasonable optimization of structural configuration, so that the guidance of the pulp inlet pipe to ore pulp can be improved, the turbulence entering the cylinder is reduced, and the generation of short-circuit flow is reduced; meanwhile, by properly roughing the overflow granularity of the cyclone, the content of minus 2mm to plus 0.074mm in the overflow is increased, the entrainment of fine fraction in the settled sand is reduced, the grinding load of the ball mill is reduced, and the purpose of improving the raw ore treatment capacity of the grinding system is realized.
The utility model relates to a hydrocyclone that is used for one section ore grinding system of vanadium titano-magnetite to carry product compares traditional hierarchical hydrocyclone and has following advantage:
(1) the processing capacity of a single cyclone is greater. By enlarging the inner diameter of the cylinder of the hydrocyclone, the processing capacity of a single hydrocyclone is greatly improved, and the production requirement can be met by mostly operating a novel hydrocyclone on site. After the number of the field devices is reduced, the corresponding production and maintenance cost is reduced, and the production stability of the field devices is improved.
(2) The raw ore treatment capacity of the ore grinding system can be improved. Under the same working condition, the hydrocyclone with the new structure can improve the raw ore treatment capacity of a first-stage ore grinding system by 5-10%, so that the concentrate yield is improved, the production cost is reduced, and the net profit of a mine enterprise is improved.
(3) The equipment wear can be reduced. Under the same working condition, the feeding pressure of the hydrocyclone with the new structure can be reduced by 10-20 Kpa compared with that of the traditional ore grinding classification hydrocyclone, the abrasion of equipment is effectively reduced, and the production cost is saved.
To further verify the yield improvement effect of the hydrocyclone with the new structure, a comparison test is carried out on a series 1 of a certain vanadium titano-magnetite concentrating mill. The original ore grinding and classifying system of the plant selection runs 2 phi 610 cone cyclones, the average time of the mills is about 220t/h, and the problems of overflow coarse leakage, uneven ore separation, lower classifying efficiency, larger sand return ratio and the like exist in the production process. Carry out vertical contrast test after with selecting the cooperation of factory to change original cone swirler for novel phi 840 flat bottom swirler, the data is as follows:
the composition of the overflow particle size of the cyclone is compared as follows:
through data comparison of the two types of cyclones, the classification efficiency is improved to 42.60% from 26.33% before after a novel phi 840 flat bottom cyclone is operated, the classification efficiency is improved to 240t/h from 210t/h before when a grinder is used, the yield increasing amplitude reaches about 9.1%, meanwhile, the content of +2mm in overflow of the cyclone is reduced to 2.39% from 13.98%, the phenomenon of coarse fraction tailing is improved, the quality of concentrate is improved, and only one cyclone can create about 200 ten thousand yuan of net profit every year for a plant selection; meanwhile, the operating pressure of the reconstructed cyclone is reduced to 0.04-0.05 MPa from 0.07-0.1 MPa, the number of the equipment is reduced to one from two, the equipment abrasion and the operating energy consumption are effectively reduced, and the workload of replacement of spare parts is reduced.
Claims (6)
1. A hydrocyclone for extracting vanadium titano-magnetite is provided with an overflow pipe, a feeding pipe, a cylinder body and a sand sinking port, and is characterized in that the cylinder body is cylindrical and consists of an upper section cylinder body, a middle section cylinder body and a lower section cylinder body, the middle section cylinder body consists of 0 or at least one unit cylinder body, the upper section cylinder body, the unit cylinder body and the lower section cylinder body are sequentially connected with each other through a flange plate from top to bottom along the same central axis, the inner diameters of the upper section cylinder body, the unit cylinder body and the lower section cylinder body are 840mm, the upper end of the upper section cylinder body is sealed through a top cover, the middle axis of the top cover is provided with the overflow pipe, the upper end of the overflow pipe extends into the upper section cylinder body, the lower end of the overflow pipe extends out of the upper section cylinder body, the side surface of the upper section cylinder body is connected with the feeding pipe in an involute way, the production increasing effect of the vanadium titano-magnetite is adjusted by connecting different numbers of unit cylinders.
2. The hydrocyclone for extracting vanadium titano-magnetite according to claim 1, wherein the involute of the feeding pipe is 1.05 times of the inner diameter of the cylinder.
3. The hydrocyclone for extracting vanadium titano-magnetite according to claim 1, characterized in that the upper section cylinder and the lower section cylinder have the same height, the height of the upper section cylinder and the lower section cylinder is 0.5 times of the inner diameter of the cylinder, the height of the unit cylinder is 0.25 times of the inner diameter of the cylinder, and the total height of the upper section cylinder and the lower section cylinder or the total height of the upper section cylinder, the unit cylinder and the lower section cylinder is 1-1.5 times of the inner diameter of the cylinder.
4. The hydrocyclone for extracting vanadium titano-magnetite according to claim 1, wherein the inner diameter of the sand settling port is 0.1-0.12 times of the inner diameter of the cylinder.
5. The hydrocyclone for extracting vanadium titano-magnetite according to claim 1, wherein the inner diameter of the overflow pipe is 0.35-0.38 times of the inner diameter of the cylinder.
6. The hydrocyclone for extracting vanadium titano-magnetite according to claim 1, wherein the effective insertion depth of the overflow pipe is 0.3-0.6 times of the inner diameter of the cylinder of the upper section of the hydrocyclone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020197365.9U CN212120417U (en) | 2020-02-24 | 2020-02-24 | A hydrocyclone that is used for vanadium titano-magnetite to carry out production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020197365.9U CN212120417U (en) | 2020-02-24 | 2020-02-24 | A hydrocyclone that is used for vanadium titano-magnetite to carry out production |
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| CN212120417U true CN212120417U (en) | 2020-12-11 |
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| CN202020197365.9U Active CN212120417U (en) | 2020-02-24 | 2020-02-24 | A hydrocyclone that is used for vanadium titano-magnetite to carry out production |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023049951A1 (en) * | 2021-09-30 | 2023-04-06 | Sino Iron Holdings Pty Ltd | A hydrocyclone and mining system |
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- 2020-02-24 CN CN202020197365.9U patent/CN212120417U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023049951A1 (en) * | 2021-09-30 | 2023-04-06 | Sino Iron Holdings Pty Ltd | A hydrocyclone and mining system |
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