CN103861381A - Mining concentrator - Google Patents
Mining concentrator Download PDFInfo
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- CN103861381A CN103861381A CN201410111389.7A CN201410111389A CN103861381A CN 103861381 A CN103861381 A CN 103861381A CN 201410111389 A CN201410111389 A CN 201410111389A CN 103861381 A CN103861381 A CN 103861381A
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- micropore
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- ceramic tube
- barrel body
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Abstract
The invention discloses a mining concentrator and belongs to the technical field of mine processing equipment. The mining concentrator comprises a barrel body and a microporous ceramic pipe, wherein the barrel body sleeves the microporous ceramic pipe; the microporous ceramic pipe consists of an upper cylinder part and a lower cone part; the top of the cylinder part is provided with an overflowing port to be communicated with the outer part of the barrel body; a feeding port is arranged at the upper part of the cylinder part and is communicated with the outer part of the barrel body; the bottom end of the cone part is provided with a bottom flowing port to be communicated with the outer part of the barrel body; a vacuum port is also arranged at the lower part of the barrel body for communicating the barrel body with the outside, wherein the side wall of the part of the microporous ceramic pipe in the barrel body is provided with micropores for communicating the inner part and the outer part of the side wall of the microporous ceramic pipe. The mining concentrator disclosed by the invention has the advantages of small occupied area, simplicity and convenience in operation, low use cost and high working efficiency and the like.
Description
Technical field
The invention belongs to technical field of mineral processing equipment, particularly a kind of mining inspissator.
Background technology
The current slurry concentrating of China the most frequently used method of dewatering is to adopt concentrator natural subsidence concentrated, but exist, equipment investment is large, floor space is large, operating efficiency is low, subparticle runs the shortcomings such as leakage.Can improve to a certain extent sedimentation separation effect by adding flocculant, but fundamentally not solve yet the shortcoming that concentrator efficiency is low, floor space is large.If adopt hydrocyclone as slurry concentrating dehydration equipment, the subject matter of existence is the overflow that is difficult to directly obtain clarification, conventionally need to be used in conjunction with other dehydration equipment.In today of shortage of land resource, no matter be the construction in new ore dressing plant or the transformation of old factory, often do not have enough spaces to lay bulky concentrator; Therefore, the development of new and effective concentrator is a urgent problem.
Summary of the invention
The problems referred to above that exist technically for existing slurry concentrating equipment, the invention provides a kind of mining inspissator, micropore ceramic tube is set in inspissator, and make to form in micropore ceramic tube rotary current, by vacuumize the pressure differential forming inside and outside micropore ceramic tube outward at micropore ceramic tube, reach the effect of Separation of Solid and Liquid.
Mining inspissator of the present invention comprises cylindrical shell and micropore ceramic tube, and barrel jacket is outside micropore ceramic tube; Micropore ceramic tube is made up of the barrel portion of top and the conical section of below, the top of barrel portion is provided with overfall and is communicated with cylindrical shell is outside, the top of barrel portion is provided with charging aperture and is communicated with cylindrical shell is outside, the bottom of conical section is provided with underflow opening and is communicated with cylindrical shell is outside, and the below of cylindrical shell is also provided with vacuum port and is communicated with outside; Wherein on the sidewall of the part in cylindrical shell of micropore ceramic tube, being provided with micropore will be communicated with inside and outside the sidewall of micropore ceramic tube.
The axis of above-mentioned charging aperture is vertical with the axis of barrel portion and conical section.
The diameter of above-mentioned micropore is between 0 ~ 0.5 micron.
The porosity of above-mentioned micropore ceramic tube is 5 ~ 30%.
Above-mentioned charging aperture is 1:(0.5 ~ 0.8 with the ratio of the area of underflow opening).
The inclination angle of above-mentioned conical section is 10o ~ 35o; Conical section is 1:(0.2 ~ 5 with the ratio of the height of barrel portion).
The method that adopts mining inspissator of the present invention to carry out slurry concentrating is:
The overfall of mining inspissator is communicated with tank diameter, the discharging opening of tank diameter is communicated with the charging aperture of mining inspissator by feeding engine, vacuum port is communicated with vavuum pump by vacuum pipe, and vacuum pipe is also communicated with filtrate receiving slit, and underflow opening is communicated with concentrate receiving slit;
Ore pulp to be concentrated is placed in tank diameter, opens vavuum pump and make the pressure≤0.085MPa in cylindrical shell; Under stirring condition, open feeding engine, ore pulp is sent in micropore ceramic tube from the vertical direction of micropore ceramic tube axis, the liquid in ore pulp is entered cylindrical shell and is entered filtrate receiving slit by vacuum port by micropore; Overflow portion turns back to tank diameter from overfall, and the concentrate after being concentrated enters concentrate receiving slit from underflow opening.
In said method, the pressure that enters the ore pulp of micropore ceramic tube is 0.1 ~ 0.4MPa.
Principle of the present invention is: by the air-extraction function of vavuum pump, cylindrical shell has negative pressure, and the inside and outside mineralization pressure of micropore ceramic tube is poor, under the effect of this pressure reduction, liquid in ore pulp sees through the micropore of earthenware, and solid particle cannot see through micropore, thereby reaches the object of Separation of Solid and Liquid.Micropore ceramic tube has the micropore that produces capillary effect, make the capillary force in micropore be greater than vacuum applied force, micropore remains and is full of liquid condition, to ensure under any circumstance, micropore ceramic tube does not have air to see through, and when Separation of Solid and Liquid, energy consumption is low, vacuum is high.In addition, solid particle in ore pulp, due to the trend that produces outside motion in micropore ceramic tube that acts on of centrifugal intertia force, but due to the obstruction of the Radial Flow of ore pulp ecto-entad, make the suffered centrifugal intertia force of tiny particle too little, be not enough to overcome liquid flowing resistance, and can only be with inside flow of slurry ecto-entad motion; The obstruction that thicker particle borrows larger centrifugal intertia force to overcome the flow of slurry that inwardly flows, from inside to outside motion; Thereby make the outer rim of coarse granule in rotary current, fine grained is the inner side in rotary current, can effectively prevent the obstruction of subparticle to micropore ceramic tube micropore.
It is little, easy and simple to handle that mining inspissator of the present invention has floor space, and use cost is low, operating efficiency advantages of higher.
Brief description of the drawings
Fig. 1 is the mining inspissator cross-sectional view in the embodiment of the present invention;
In figure, 1, cylindrical shell, 2, micropore ceramics body barrel portion, 3, micropore ceramics body conical section, 4, charging aperture, 5, underflow opening, 6, overfall, 7, vacuum port, 8, micropore, 9, vavuum pump, 10, filtrate receiving slit, 11, pressure vacuum gauge, 12, concentrate receiving slit, 13, tank diameter, 14, feeding engine, 15, pump pressure table.
Detailed description of the invention
The ore pulp adopting in the embodiment of the present invention is that the iron ore produced by the mine ore pulp of making weight concentration 15 ~ 25% that adds water is made; In iron ore, the chemical analysis of iron thing phase knot is as shown in table 1.
Table 1
| Composition | Iron in Armco magnetic iron | Iron in ferric carbonate | Iron in iron oxide | Iron in iron sulfide | Iron in ferrosilite | TFe |
| Content/% | 42.73 | 3.35 | 1.64 | 0.20 | 2.52 | 50.44 |
| Distributive law/% | 84.71 | 6.64 | 3.25 | 0.40 | 5.00 | 100.00 |
The granularmetric composition of the iron ore adopting in the embodiment of the present invention and each grade Metal Distribution rate analysis result are as shown in table 2.
Table 2
The internal diameter of the micropore ceramics barrel portion of the inspissator adopting in the embodiment of the present invention is 50 ~ 150mm.
Embodiment 1
Mining inspissator structure as shown in Figure 1, comprises cylindrical shell 1 and micropore ceramic tube, and cylindrical shell 1 is enclosed within outside micropore ceramic tube; Micropore ceramic tube is made up of the micropore ceramics body barrel portion 2 of top and the micropore ceramics body conical section 3 of below, the top of micropore ceramics body barrel portion 2 is provided with overfall 6 and is communicated with cylindrical shell 1 is outside, the top of micropore ceramics body barrel portion 2 is provided with charging aperture 4 and is communicated with cylindrical shell 1 is outside, the bottom of micropore ceramics body conical section 3 is provided with underflow opening 5 and is communicated with cylindrical shell 1 is outside, and the below of cylindrical shell 1 is also provided with vacuum port 7 and is communicated with outside; Wherein on the sidewall of the part in cylindrical shell 1 of micropore ceramic tube, being provided with micropore 8 will be communicated with inside and outside the sidewall of micropore ceramic tube;
The axis of charging aperture 4 is vertical with the axis of micropore ceramics body barrel portion 2 and micropore ceramics body conical section 3;
The diameter of micropore is between 0 ~ 0.5 micron;
The porosity that is distributed with the part of micropore on micropore ceramic tube is 10 ~ 20%;
Charging aperture is 1:0.8 with the ratio of the area of underflow opening;
The inclination angle of micropore ceramics body conical section is 15o; Conical section is 1:1.5 with the ratio of the height of barrel portion;
Slurry concentrating method is:
The overfall of mining inspissator is communicated with tank diameter, the discharging opening of tank diameter is communicated with the charging aperture of mining inspissator by feeding engine, vacuum port is communicated with vavuum pump by vacuum pipe, vacuum pipe is also communicated with filtrate receiving slit, underflow opening is communicated with concentrate receiving slit, and structure as shown in Figure 1;
Ore pulp to be concentrated is placed in tank diameter, opens vavuum pump and make the pressure≤0.085MPa in cylindrical shell; Under stirring condition, open feeding engine, ore pulp is sent in micropore ceramic tube from the vertical direction of micropore ceramic tube axis, the liquid in ore pulp is entered cylindrical shell and is entered filtrate receiving slit by vacuum port by micropore; Overflow portion turns back to tank diameter from overfall, and the concentrate after being concentrated enters concentrate receiving slit from underflow opening;
The pressure that wherein enters the ore pulp of micropore ceramic tube is 0.3MPa; The weight concentration of ore pulp is 19%, and ore pulp mixing time in tank diameter is 30min; Concentrated result is as shown in table 3:
Table 3 concentration test result
| ? | Give ore deposit | Overflow (overfall) | Underflow (underflow opening) |
| Concentration/% | 19.00 | 15.23 | 42.55 |
| Productive rate/% | 100.00 | 17.62 | 82.38 |
The internal diameter of micropore ceramics barrel portion is 50mm, and treating capacity is 3.5m
3/ h, producing clear filtrate amount is 1.45m
3/ h.
Mining inspissator structure is with embodiment 1, and difference is:
The porosity that is distributed with the part of micropore on micropore ceramic tube is 5 ~ 15%;
Charging aperture is 1:0.5 with the ratio of the area of underflow opening;
The inclination angle of micropore ceramics body conical section is 20o; Conical section is 1:2 with the ratio of the height of barrel portion;
Slurry concentrating method is with embodiment 1, and difference is:
The pressure that enters the ore pulp of micropore ceramic tube is 0.3MPa; The weight concentration of ore pulp is 24%, and ore pulp mixing time in tank diameter is 30min; Concentrated result is as shown in table 4:
Table 4
| ? | Give ore deposit | Overflow (overfall) | Underflow (underflow opening) |
| Concentration/% | 24.00 | 19.11 | 45.42 |
| Productive rate/% | 100.00 | 20.27 | 79.73 |
The treating capacity of mining inspissator is 3.5m
3/ h, producing clear filtrate amount is 1.14m
3/ h.
Embodiment 3
Mining inspissator structure is with embodiment 1, and difference is:
The porosity that is distributed with the part of micropore on micropore ceramic tube is 20 ~ 30%;
Charging aperture is 1:0.6 with the ratio of the area of underflow opening;
The inclination angle of micropore ceramics body conical section is 10o; Conical section is 1:0.2 with the ratio of the height of barrel portion;
Slurry concentrating method is with embodiment 1, and difference is:
The pressure that enters the ore pulp of micropore ceramic tube is 0.4 MPa; The weight concentration of ore pulp is 20%, and ore pulp mixing time in tank diameter is 60min; Underflow weight concentration concentration 44.17%, productive rate 80.22%;
The internal diameter of micropore ceramics barrel portion is 150mm, and the treating capacity of mining inspissator is 30m
3/ h, producing clear filtrate amount is 12m
3/ h.
Embodiment 4
Mining inspissator structure is with embodiment 1, and difference is:
The porosity that is distributed with the part of micropore on micropore ceramic tube is 5 ~ 15%;
The inclination angle of micropore ceramics body conical section is 35o; Conical section is 1:5 with the ratio of the height of barrel portion;
Slurry concentrating method is with embodiment 1, and difference is:
The pressure that enters the ore pulp of micropore ceramic tube is 0.2MPa; The weight concentration of ore pulp is 25%, and ore pulp mixing time in tank diameter is 40min; Underflow weight concentration concentration 46.13%, productive rate 81.47%;
The internal diameter of micropore ceramics barrel portion is 100mm, and the treating capacity of mining inspissator is 14.5m
3/ h, producing clear filtrate amount is 4.8m
3/ h.
Embodiment 5
Mining inspissator structure is with embodiment 1, and difference is:
The porosity that is distributed with the part of micropore on micropore ceramic tube is 20 ~ 30%;
Charging aperture is 1:0.5 with the ratio of the area of underflow opening;
The inclination angle of micropore ceramics body conical section is 30o; Conical section is 1:3 with the ratio of the height of barrel portion;
Slurry concentrating method is with embodiment 1, and difference is:
The pressure that enters the ore pulp of micropore ceramic tube is 0.1MPa; The weight concentration of ore pulp is 28%, and ore pulp mixing time in tank diameter is 50min; Underflow weight concentration concentration 45.58%, productive rate 83.29%;
The internal diameter of micropore ceramics barrel portion is 100mm, and the treating capacity of mining inspissator is 15m
3/ h, producing clear filtrate amount is 4.6m
3/ h.
Claims (6)
1. a mining inspissator, is characterized in that comprising cylindrical shell and micropore ceramic tube, and barrel jacket is outside micropore ceramic tube; Micropore ceramic tube is made up of the barrel portion of top and the conical section of below, the top of barrel portion is provided with overfall and is communicated with cylindrical shell is outside, the top of barrel portion is provided with charging aperture and is communicated with cylindrical shell is outside, the bottom of conical section is provided with underflow opening and is communicated with cylindrical shell is outside, and the below of cylindrical shell is also provided with vacuum port and is communicated with outside; Wherein on the sidewall of the part in cylindrical shell of micropore ceramic tube, being provided with micropore will be communicated with inside and outside the sidewall of micropore ceramic tube.
2. the mining inspissator of one according to claim 1, is characterized in that the axis of described charging aperture is vertical with the axis of barrel portion and conical section.
3. the mining inspissator of one according to claim 1, is characterized in that the diameter of described micropore is between 0 ~ 0.5 micron.
4. the mining inspissator of one according to claim 1, is characterized in that the porosity of described micropore ceramic tube is 5 ~ 30%.
5. the mining inspissator of one according to claim 1, is characterized in that described charging aperture is 1:(0.5 ~ 0.8 with the ratio of the area of underflow opening).
6. the mining inspissator of one according to claim 1, is characterized in that the inclination angle of described conical section is 10o ~ 35o; Conical section is 1:(0.2 ~ 5 with the ratio of the height of barrel portion).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410111389.7A CN103861381B (en) | 2014-03-25 | 2014-03-25 | A kind of mining inspissator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410111389.7A CN103861381B (en) | 2014-03-25 | 2014-03-25 | A kind of mining inspissator |
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| Publication Number | Publication Date |
|---|---|
| CN103861381A true CN103861381A (en) | 2014-06-18 |
| CN103861381B CN103861381B (en) | 2015-08-12 |
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|---|---|---|---|
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060165569A1 (en) * | 2005-01-25 | 2006-07-27 | Spx Corporation | Cylindrical mixer-settler apparatus and method |
| CN101543694A (en) * | 2009-05-07 | 2009-09-30 | 洛阳华液通用机械成套制造有限公司 | Solid-liquid separating device and solid-liquid separating process with filtering and air separating machine |
| CN102758077A (en) * | 2012-07-13 | 2012-10-31 | 河南东大矿业股份有限公司 | Equipment capable of reducing bauxite ore dressing concentrate moisture and well forming concentrate filter cake |
| CN203291613U (en) * | 2013-04-10 | 2013-11-20 | 玉溪大红山矿业有限公司 | Ceramic filter with overflow emptying function |
-
2014
- 2014-03-25 CN CN201410111389.7A patent/CN103861381B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060165569A1 (en) * | 2005-01-25 | 2006-07-27 | Spx Corporation | Cylindrical mixer-settler apparatus and method |
| CN101543694A (en) * | 2009-05-07 | 2009-09-30 | 洛阳华液通用机械成套制造有限公司 | Solid-liquid separating device and solid-liquid separating process with filtering and air separating machine |
| CN102758077A (en) * | 2012-07-13 | 2012-10-31 | 河南东大矿业股份有限公司 | Equipment capable of reducing bauxite ore dressing concentrate moisture and well forming concentrate filter cake |
| CN203291613U (en) * | 2013-04-10 | 2013-11-20 | 玉溪大红山矿业有限公司 | Ceramic filter with overflow emptying function |
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| CN103861381B (en) | 2015-08-12 |
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