CN204656712U - For the ore pulp EGR of vertical screw agitating mill - Google Patents
For the ore pulp EGR of vertical screw agitating mill Download PDFInfo
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- CN204656712U CN204656712U CN201520267542.5U CN201520267542U CN204656712U CN 204656712 U CN204656712 U CN 204656712U CN 201520267542 U CN201520267542 U CN 201520267542U CN 204656712 U CN204656712 U CN 204656712U
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Abstract
The utility model discloses a kind of ore pulp EGR for vertical screw agitating mill, comprise the ore pulp separating tank that top is provided with feed port and the overflow pipe be connected with ore pulp separating tank, the import that overflow pipe is communicated with ore pulp separating tank is positioned at the position bottom higher than ore pulp separating tank, the bottom of ore pulp separating tank is connected with the underflow circulation pipe communicated with vertical screw agitating mill by ore pulp circulating pump, and underflow circulation pipe is provided with flow control valve.The utility model has the height that can reduce vertical screw agitating mill, the requirement reducing factory building, is beneficial to adjustment overflow granularity and improves the advantages such as settling ore pulp classification efficiency.
Description
Technical field
The utility model relates to mineral processing fine grinding equipment technical field, is specifically related to a kind of ore pulp EGR for vertical screw agitating mill.
Background technology
In metallurgy industry, because fine-particle minerals becomes main handling object just gradually, the final mog processing ore is caused to reduce gradually.In order to the valuable mineral realized wherein is fully separated/sorting with gangue mineral, mostly need fine grinding/Ultrafine Grinding even thinner to P80 25 μm, mineral could be realized and fully dissociate.
The ball mill generally adopted at present, no matter from mineral disaggregation or Energy Angle, is all unwell to the fine grinding of fine-particle minerals.Therefore, the agitating ball mill that efficiency is higher becomes the main equipment of mineral fine grinding/Ultrafine Grinding gradually.In agitating ball mill, the vertical screw agitating mill (also claiming tower grinding machine or vertical mill) adopting spiral agitator to stir the next levigate mineral of medium ball motion is fine grinding micro-size fraction (product granularity P80 25 ~ 65 μm) equipment that mineral efficiency is the highest.Vertical structure due to vertical screw agitating mill makes it can realize gravity ore grinding and classification of sedimentation simultaneously, therefore not only grinding efficiency is high, and ore milling product degree of dissociation is good, epigranular, and noise is low, floor space is little, thus replace secondary grinding or Regrinding that ball mill is used for metal ore dressing just gradually, ore milling product granularity can reach P80 20 ~ 76 μm.
In order to realize ore grinding and grading function simultaneously, the cylindrical shell of existing vertical screw agitating mill is divided into upper shell and lower shell two parts, and lower shell is ore grinding region, and upper shell is classification of sedimentation region.Along with the maximization of vertical screw agitating mill, grinding mill barrel excessive height can be caused and make complete machine too high, to grinding machine to require to the factory building of ore deposit equipment/device and erection unit high, be unfavorable for the field conduct of grinding machine; Meanwhile, because flow of slurry is by grinding machine treating capacity and grinding mill barrel height limitation, classification of sedimentation operating condition is limited, and overflow granularity is difficult to regulation and control.
Utility model content
The technical problems to be solved in the utility model overcomes the deficiency that prior art exists, provide a kind of reduce vertical screw agitating mill height, the requirement reducing factory building, be beneficial to the ore pulp EGR for vertical screw agitating mill regulating overflow granularity and improve settling ore pulp classification efficiency.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of ore pulp EGR for vertical screw agitating mill, comprise the ore pulp separating tank that top is provided with feed port and the overflow pipe be connected with ore pulp separating tank, the import that described overflow pipe is communicated with ore pulp separating tank is positioned at the position bottom higher than ore pulp separating tank, the bottom of described ore pulp separating tank is connected with the underflow circulation pipe communicated with described vertical screw agitating mill by ore pulp circulating pump, and described underflow circulation pipe is provided with flow control valve.
Above-mentioned ore pulp EGR, preferably, described overflow pipe runs through the bottom of ore pulp separating tank and the center position extended in ore pulp separating tank, and one end that overflow pipe is arranged in ore pulp separating tank is located in the import of described overflow pipe.
Above-mentioned ore pulp EGR, preferably, is equiped with liquid level sensor in described ore pulp separating tank, and the setting height(from bottom) of described liquid level sensor is higher than the import of described overflow pipe.
Above-mentioned ore pulp EGR, preferably, the bottom surface of described ore pulp separating tank is in being in tilted layout, and described underflow circulation pipe is connected to the bottom position place of the bottom surface of ore pulp separating tank.
Above-mentioned ore pulp EGR, preferably, described ore pulp circulating pump is variable-ratio Pulp pump.
Above-mentioned ore pulp EGR, preferably, described flow control valve is electric gate valve.
Above-mentioned ore pulp EGR, preferably, described underflow circulation pipe is connected with the bottom feed port of vertical screw agitating mill.
Above-mentioned ore pulp EGR, preferably, the outlet of described overflow pipe is connected with a cyclone.
Compared with prior art, the utility model has the advantage of: the utility model is used for the ore pulp EGR of vertical screw agitating mill when being applied to vertical screw agitating mill, same installed surface can be arranged on vertical screw agitating mill, vertical screw agitating mill is made not need to arrange the upper shell for classification of sedimentation, and then the height of vertical screw agitating mill can be reduced, reduce the requirement to factory building, the installation being beneficial to vertical screw agitating mill is implemented; Meanwhile, when ore pulp enters ore pulp separating tank by vertical screw agitating mill, direction of rotation changes and causes laminar flow, easily makes coarse granule generation sedimentation, improves classification of sedimentation efficiency; The sedimental separation height in ore pulp separating tank can be controlled by adjust flux control valve, and then regulate overflow granularity.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model for the ore pulp EGR of vertical screw agitating mill.
Fig. 2 is the structural representation of the utility model for separating tank in the ore pulp EGR of vertical screw agitating mill.
Marginal data:
1, ore pulp separating tank; 11, feed port; 2, overflow pipe; 21, import; 3, underflow circulation pipe; 4, ore pulp circulating pump; 5, flow control valve; 6, liquid level sensor.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As depicted in figs. 1 and 2, the utility model is used for the ore pulp EGR of vertical screw agitating mill, comprise the ore pulp separating tank 1 that top is provided with feed port 11 and the overflow pipe 2 be connected with ore pulp separating tank 1, the import 21 that overflow pipe 2 is communicated with ore pulp separating tank 1 is positioned at the position bottom higher than ore pulp separating tank 1, the bottom of ore pulp separating tank 1 is connected with underflow circulation pipe 3, underflow circulation pipe 3 is communicated with vertical screw agitating mill by ore pulp circulating pump 4, underflow circulation pipe 3 is provided with flow control valve 5, coarse granule ore pulp bottom ore pulp separating tank 1 can be discharged by underflow circulation pipe 3, vertical screw agitating mill is sent under the effect of ore pulp circulating pump 4, and the flow area of the adjustable underflow circulation pipe 3 of flow control valve 5.When this ore pulp EGR is applied to vertical screw agitating mill, same installed surface can be arranged on vertical screw agitating mill, vertical screw agitating mill is made not need to arrange the upper shell for classification of sedimentation, and then the height of vertical screw agitating mill can be reduced, reduce the requirement to factory building, the installation being beneficial to vertical screw agitating mill is implemented; Meanwhile, when ore pulp enters ore pulp separating tank 1 by vertical screw agitating mill, direction of rotation changes and causes laminar flow, easily makes coarse granule generation sedimentation, improves classification of sedimentation efficiency; The sedimental separation height in ore pulp separating tank 1 can be controlled by adjust flux control valve 5, and then regulate overflow granularity.
In the present embodiment, overflow pipe 2 runs through the bottom of ore pulp separating tank 1 and the center position extended in ore pulp separating tank 1, one end that overflow pipe 2 is arranged in ore pulp separating tank 1 is located in the import 21 of overflow pipe 2, also namely the import 21 of overflow pipe 2 is arranged in the center position of ore pulp separating tank 1, and the fine grained ore pulp be conducive in ore pulp separating tank 1 is discharged and entered cyclone.The outlet of overflow pipe 2 is connected with a cyclone, is discharged by the fine grained ore pulp in ore pulp separating tank 1 and enters cyclone.
In the present embodiment, the bottom surface of ore pulp separating tank 1 is in being in tilted layout, and underflow circulation pipe 3 is connected to the bottom position place of the bottom surface of ore pulp separating tank 1, is beneficial to bottom coarse granule ore pulp and enters underflow circulation pipe 3.
In the present embodiment, above-mentioned underflow circulation pipe 3 is connected with the bottom feed port of vertical screw agitating mill, coarse granule is made to obtain differential grinding, cyclone circulating load can be reduced, simultaneously, ore pulp circulating pump 4 adopts variable-ratio Pulp pump, controls the upwelling of vertical screw agitating mill by ore pulp circulating pump 4, makes overground minimizing.Above-mentioned flow control valve 5 is electric gate valve.
The present embodiment can be equiped with liquid level sensor 6 further in ore pulp separating tank 1, the setting height(from bottom) of liquid level sensor 6 is higher than the import 21 of overflow pipe 2, arrange liquid level sensor 6 to be beneficial to coordinate with control device and to control to adjust flow control valve 5, be beneficial to the sedimental separation height realizing automatically controlling in ore pulp separating tank 1.
When the ore pulp EGR of the present embodiment works, ore pulp enters the feed port 11 of ore pulp separating tank 1 by vertical screw agitating mill overflow, through sedimentation separation in ore pulp separating tank 1, the fine grained ore pulp on top is discharged by overflow pipe 2 and is entered cyclone, the coarse granule ore pulp of bottom is discharged by underflow circulation pipe 3, returns bottom vertical screw agitating mill under the effect of ore pulp circulating pump 4.
The above is only preferred embodiment of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment.For those skilled in the art, do not departing from the improvement that obtains under the utility model technical conceive prerequisite and conversion also should be considered as protection domain of the present utility model.
Claims (8)
1. the ore pulp EGR for vertical screw agitating mill, it is characterized in that: comprise the ore pulp separating tank (1) that top is provided with feed port (11) and the overflow pipe (2) be connected with ore pulp separating tank (1), the import (21) that described overflow pipe (2) is communicated with ore pulp separating tank (1) is positioned at the position higher than ore pulp separating tank (1) bottom, the bottom of described ore pulp separating tank (1) is connected with the underflow circulation pipe (3) communicated with described vertical screw agitating mill by ore pulp circulating pump (4), described underflow circulation pipe (3) is provided with flow control valve (5).
2. the ore pulp EGR for vertical screw agitating mill according to claim 1, it is characterized in that: described overflow pipe (2) runs through the bottom of ore pulp separating tank (1) and the center position extended in ore pulp separating tank (1), and one end that overflow pipe (2) is arranged in ore pulp separating tank (1) is located in the import (21) of described overflow pipe (2).
3. the ore pulp EGR for vertical screw agitating mill according to claim 2, it is characterized in that: be equiped with liquid level sensor (6) in described ore pulp separating tank (1), the setting height(from bottom) of described liquid level sensor (6) is higher than the import (21) of described overflow pipe (2).
4. the ore pulp EGR for vertical screw agitating mill according to claim 1, it is characterized in that: the bottom surface of described ore pulp separating tank (1) is in being in tilted layout, and described underflow circulation pipe (3) is connected to the bottom position place of the bottom surface of ore pulp separating tank (1).
5. the ore pulp EGR for vertical screw agitating mill according to claim 1, is characterized in that: described ore pulp circulating pump (4) is variable-ratio Pulp pump.
6. the ore pulp EGR for vertical screw agitating mill according to claim 1, is characterized in that: described flow control valve (5) is electric gate valve.
7. the ore pulp EGR for vertical screw agitating mill according to any one of claim 1 to 6, is characterized in that: described underflow circulation pipe (3) is connected with the bottom feed port of vertical screw agitating mill.
8. the ore pulp EGR for vertical screw agitating mill according to any one of claim 1 to 6, is characterized in that: the outlet of described overflow pipe (2) is connected with a cyclone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520267542.5U CN204656712U (en) | 2015-04-29 | 2015-04-29 | For the ore pulp EGR of vertical screw agitating mill |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520267542.5U CN204656712U (en) | 2015-04-29 | 2015-04-29 | For the ore pulp EGR of vertical screw agitating mill |
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| CN204656712U true CN204656712U (en) | 2015-09-23 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105498929A (en) * | 2016-01-05 | 2016-04-20 | 马钢(集团)控股有限公司 | Magnetite concentrate quality-improving and impurity-reducing technology and device |
| CN110237925A (en) * | 2019-06-24 | 2019-09-17 | 北方重工富勒（沈阳）矿业有限公司 | A kind of tower grinding machine grading plant |
| CN110882791A (en) * | 2019-11-25 | 2020-03-17 | 四川龙蟒矿冶有限责任公司 | Efficient selective fine grinding process method and device for schreyerite |
| CN114235647A (en) * | 2021-12-17 | 2022-03-25 | 西藏华泰龙矿业开发有限公司 | Mining whirl elutriation system in laboratory |
-
2015
- 2015-04-29 CN CN201520267542.5U patent/CN204656712U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105498929A (en) * | 2016-01-05 | 2016-04-20 | 马钢(集团)控股有限公司 | Magnetite concentrate quality-improving and impurity-reducing technology and device |
| CN110237925A (en) * | 2019-06-24 | 2019-09-17 | 北方重工富勒（沈阳）矿业有限公司 | A kind of tower grinding machine grading plant |
| CN110882791A (en) * | 2019-11-25 | 2020-03-17 | 四川龙蟒矿冶有限责任公司 | Efficient selective fine grinding process method and device for schreyerite |
| CN114235647A (en) * | 2021-12-17 | 2022-03-25 | 西藏华泰龙矿业开发有限公司 | Mining whirl elutriation system in laboratory |
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Effective date of registration: 20200201 Address after: 410205 room 208, A1-A3, jinruilugu science and Technology Park, No. 28, Ludian Road, Changsha high tech Development Zone, Changsha City, Hunan Province Patentee after: Hunan Jinmo Technology Co., Ltd Address before: Yuelu District City, Hunan province 410000 Changsha Lushan Road No. 966 Patentee before: Changsha Research Institute of Mining and Metallurgy Co., Ltd. |