CN200974038Y - Hydrocyclone - lattice ball mill type graded closed circuit mine-grinding system - Google Patents
Hydrocyclone - lattice ball mill type graded closed circuit mine-grinding system Download PDFInfo
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- CN200974038Y CN200974038Y CN 200620094385 CN200620094385U CN200974038Y CN 200974038 Y CN200974038 Y CN 200974038Y CN 200620094385 CN200620094385 CN 200620094385 CN 200620094385 U CN200620094385 U CN 200620094385U CN 200974038 Y CN200974038 Y CN 200974038Y
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- cyclone
- ball mill
- grate
- closed circuit
- circuit grinding
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Abstract
The utility model relates to a closed to circuit grinding grading system for mineral separation process, which is a closed-circuit grinding grading system of cyclone - grate ball mill consisting of a cyclone and a grate ball mill. The system chooses a single cyclone matched with the process load of the grate ball mill, an entrance of the cyclone is connected with a slurry pump, of which the speed is adjusted by a frequency converter, an entrance of the slurry pump is connected with a mineral pulp slot, and an entrance of the mineral pulp slot is connected with a discharging opening of the grate ball mill; a bottom current opening of the cyclone is connected with a receiving opening of the grate ball mill through a chute; an overflow vent of the cyclone is joined with the next procedure. Comparing with the closed-circuit grinding grading system of screw grader to grate ball mill, the grinding process load at unit time raises over 5%, and the system processing ratio improves 2.8%. The utility model has the advantages of small floor space, high processing ratio, as well as high grading efficiency.
Description
Technical field
The utility model relates to the closed circuit grinding classification system consisting of cyclone and grate discharge ball mill that a kind of closed circuit grinding classification system of ore-dressing practice is made up of cyclone and grate ball mill.
Background technology
The inspection classifying equipoment that present domestic ore dressing plant and grate ball mill are formed closed circuit grinding classification system is to adopt spiral classifier mostly, its advantage is that technology is ripe, convenient management, its shortcoming is that fault rate is higher, cause the related decline of ball mill operating rate, can not give full play to the ore grinding ability of grate ball mill.Quite successful for the supporting with it use cyclone classification of overflowball mill both at home and abroad at present, but cyclone and grate ball mill are formed the illustration that closed circuit grinding classification system does not also have success.So the research of native system successfully is the precedent that promotes domestic grate ball mill operating rate, for the productive potentialities of performance long-established enterprise, promote the production capacity of existing equipment, improve the performance of enterprises and be of great immediate significance.
Summary of the invention
The purpose of this utility model provides a kind of closed circuit grinding classification system consisting of cyclone and grate discharge ball mill, this system adopts the separate unit cyclone that is complementary with the grate ball mill treating capacity, is made up of the controlled pulp tank of slag stock pump, automatic water-replenishing device and liquid level of frequency converter timing control, realized stable closed circuit grinding classification operation, this system improves more than 5% than the unit interval ore grinding treating capacity of spiral classifier-grate ball mill closed circuit grinding classification system, and the system job rate improves 2.8%.
For achieving the above object, the utility model adopts following technical scheme:
Closed circuit grinding classification system consisting of cyclone and grate discharge ball mill, it is characterized in that: this system is made up of grate ball mill, pulp tank, slag stock pump, frequency converter, cyclone, water replanishing device, pipeline, this system selects the separate unit cyclone that is complementary with the grate ball mill treating capacity for use, the inlet of described cyclone is connected with the slag stock pump by frequency converter timing, slag stock pump inlet connects pulp tank, and the pulp tank inlet connects the gape of grate ball mill; The underflow opening of cyclone is connected with the feed port of grate ball mill by chute; The overfall of cyclone is connected with next procedure.
Described cyclone inlet is equipped with pressure, flow and concentration detection apparatus.
Described pulp tank top is provided with liquid level detection device.
The automatic water-replenishing device of system is made of flowmeter and electrically operated valve.
Described system adopts a worker one to be equipped with two cover cyclone classifications and same table grinder matches.
The utility model beneficial effect compared with prior art is:
This system adopts the separate unit cyclone that is complementary with the grate ball mill treating capacity, is made up of the controlled pulp tank of slag stock pump, automatic water-replenishing device and the liquid level of frequency converter timing, realized stable closed circuit grinding classification operation, this system improves more than 5% than the unit interval ore grinding treating capacity of spiral classifier-grate ball mill closed circuit grinding classification system, and the system job rate improves 2.8%.Has the advantage that floor space is little, operating rate is high, classification efficiency is high.
Description of drawings
Fig. 1 is the configuration schematic diagram of the closed circuit grinding classification system consisting of cyclone and grate discharge ball mill of embodiment 1.
Fig. 2 is the configuration schematic diagram of the closed circuit grinding classification system consisting of cyclone and grate discharge ball mill of embodiment 2.
The specific embodiment
Embodiment 1
See Fig. 1, closed circuit grinding classification system consisting of cyclone and grate discharge ball mill, this system is made up of grate ball mill 5, pulp tank 8, slag stock pump 10, frequency converter 11, cyclone 1, automatic water-replenishing device 3,4,6,7 and pipeline, this system selects the separate unit cyclone that is complementary with the grate ball mill treating capacity for use, the inlet of described cyclone 1 is connected with the slag stock pump 10 by frequency converter 11 speed governing, slag stock pump 10 inlets connect pulp tank 8, and pulp tank 8 inlets connect the gape of grate ball mill 5; The underflow of cyclone 1 (sand setting) returns the feed port 27 of grate ball mill 5 through chute 33; The overfall of cyclone 1 is connected with next procedure by chute 34.
Described cyclone 1 inlet is equipped with pressure-detecting device 2, flow detector 12, concentration detection apparatus 13.
The liquid level of described pulp tank 8 is by liquid level detection device 9 monitoring.
The automatic water-replenishing device of system is made of flowmeter 3, electrically operated valve 4 and flowmeter 6, electrically operated valve 7.
The course of work of native system: the ore pulp to be fractionated that is fed by cyclone 1 inlet is to be carried by slag stock pump 10 suction from the pulp tank 8 that grate ball mill 5 gapes are provided with, the overflow of cyclone 1 is the graded product of this system, deliver to next procedure, the underflow of cyclone 1 (sand setting) returns the grate ball mill feed port by chute 33 gravity flows and proceeds to grind; The liquid level of pulp tank 8 is by liquid level detection device 9 monitoring; The rotating speed of slag stock pump 10 is adjusted by frequency converter 11; System adds water by flowmeter 3,6 and electrically operated valve 4,7 controls.
See Fig. 2, this embodiment adopts a worker one to be equipped with two cover cyclone classification systems and same grate ball mill matches, and can reduce the problem of the grate ball mill operating rate reduction that causes because of the classifying equipoment fault to greatest extent.Select the two cover separate unit cyclones 1 and 24 that are complementary with grate ball mill 5 treating capacities for use, every cyclone inlet is separately installed with pressure-detecting device 2, flow detector 12, concentration detection apparatus 13 and pressure-detecting device 23, flow detector 21, concentration detection apparatus 22, carry by slag stock pump 11 and 19 suction from the pulp tank 8 and 18 that the grate ball mill gape is provided with respectively by the ore pulp to be fractionated that the cyclone inlet feeds, the overflow of cyclone (has been installed flow and concentration detection apparatus 15 for the graded product of this system on overflow pipe, 14), deliver to next procedure, the underflow of cyclone (sand setting) gravity flow is returned the grate ball mill feed port and is proceeded to grind; Pulp tank 8 and 18 liquid level are by liquid level detection device 9 and 17 monitoring; The rotating speed of slag stock pump is adjusted by frequency converter 11 and 20; System adds water by flowmeter 3,6 and electrically operated valve 7 and 16 controls.The realization of above-mentioned all technological parameter desired values and other system process parameter are all dispatched by field control cabinet, the unification of upper monitoring machine of automatic control system, realize stable closed circuit grinding classification operation.
25-charging gear among Fig. 1, Fig. 2; The 26-meausring apparatus; 27-grinding machine feed port; 28-grinding machine gape; 29-Grinding machine master motor; 30-upper monitoring machine; 31-on-site supervision machine; 32-field control cabinet; 33-sand return chute; 34-overflows The stream chute.
Claims (5)
1, closed circuit grinding classification system consisting of cyclone and grate discharge ball mill, it is characterized in that: this system is made up of grate ball mill, pulp tank, slag stock pump, frequency converter, cyclone, water replanishing device, pipeline, this system selects the separate unit cyclone that is complementary with the grate ball mill treating capacity for use, the inlet of described cyclone is connected with the slag stock pump by frequency converter timing, slag stock pump inlet connects pulp tank, and the pulp tank inlet connects the gape of grate ball mill; The underflow opening of cyclone is connected with the feed port of grate ball mill by chute; The overfall of cyclone is connected with next procedure.
2, closed circuit grinding classification system consisting of cyclone and grate discharge ball mill according to claim 1 is characterized in that: described cyclone inlet is equipped with pressure, flow and concentration detection apparatus.
3, closed circuit grinding classification system consisting of cyclone and grate discharge ball mill according to claim 1 is characterized in that: described pulp tank top is provided with liquid level detection device.
4, closed circuit grinding classification system consisting of cyclone and grate discharge ball mill according to claim 1 is characterized in that: the automatic water-replenishing device of system is made of flowmeter and electrically operated valve.
5, closed circuit grinding classification system consisting of cyclone and grate discharge ball mill according to claim 1 is characterized in that: described system adopts a worker one to be equipped with two cover cyclone classifications and same table grinder matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620094385 CN200974038Y (en) | 2006-11-24 | 2006-11-24 | Hydrocyclone - lattice ball mill type graded closed circuit mine-grinding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620094385 CN200974038Y (en) | 2006-11-24 | 2006-11-24 | Hydrocyclone - lattice ball mill type graded closed circuit mine-grinding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200974038Y true CN200974038Y (en) | 2007-11-14 |
Family
ID=38900331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620094385 Expired - Fee Related CN200974038Y (en) | 2006-11-24 | 2006-11-24 | Hydrocyclone - lattice ball mill type graded closed circuit mine-grinding system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200974038Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101804381A (en) * | 2010-04-15 | 2010-08-18 | 英德市奥胜新材料有限责任公司 | Method for removing micas in nephelite by using cyclone |
| CN111530646A (en) * | 2020-04-23 | 2020-08-14 | 中国矿业大学 | Severe oxidized coal flotation system and flotation method |
-
2006
- 2006-11-24 CN CN 200620094385 patent/CN200974038Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101804381A (en) * | 2010-04-15 | 2010-08-18 | 英德市奥胜新材料有限责任公司 | Method for removing micas in nephelite by using cyclone |
| CN101804381B (en) * | 2010-04-15 | 2012-11-21 | 英德市奥胜新材料有限责任公司 | Method for removing micas in nephelite by using cyclone |
| CN111530646A (en) * | 2020-04-23 | 2020-08-14 | 中国矿业大学 | Severe oxidized coal flotation system and flotation method |
| CN111530646B (en) * | 2020-04-23 | 2022-06-17 | 中国矿业大学 | Severe oxidized coal flotation system and flotation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071114 Termination date: 20091224 |