CN201333410Y - Novel pair roller mill - Google Patents
Novel pair roller mill Download PDFInfo
- Publication number
- CN201333410Y CN201333410Y CNU2009201012212U CN200920101221U CN201333410Y CN 201333410 Y CN201333410 Y CN 201333410Y CN U2009201012212 U CNU2009201012212 U CN U2009201012212U CN 200920101221 U CN200920101221 U CN 200920101221U CN 201333410 Y CN201333410 Y CN 201333410Y
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- pair roller
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Abstract
The utility model relates to a novel pair roller mill for mineral separation. The utility model adopts the structure that a driving mechanism and screening devices are mounted on a frame; a charging port is arranged at the top surface of the frame; two side-by-side opposite grinding rollers are mounted on the upper layer, on the middle layer and on the lower layer in the frame respectively; the shaft ends of the grinding rollers are connected with the driving mechanism; the screening devices are arranged between the grinding rollers on two adjacent layers; and discharge ports are arranged at the lower part of the grinding rollers on the lower layer. The utility model grinds and screens in a classifying manner raw mineral aggregate through the three groups of pair rollers arranged in layers; after the raw mineral aggregate is ground into ore pulp with the required granularity, the ore pulp is discharged from the discharge port and enters an inversed direct current magnetic separator to be magnetically separated. The novel pair roller mill has the advantages of even grinding granularity, obvious electricity-saving effect, low noise and high production efficiency.
Description
Technical field
The utility model relates to a kind of mineral aggregate grinder, specifically a kind of novel pair roller grinding machine.
Background technology
What present preparation equipment mainly used is horizontal ball mill, and this ball mill power consumption is big, and production efficiency is low, and noise is big, maintenance of equipment expense height.
The utility model content
The purpose of this utility model just provides a kind of novel pair roller grinding machine, to overcome the deficiency that existing ball mill exists, enhances productivity.
The utility model is achieved in that a kind of novel pair roller grinding machine, driving mechanism and screening plant are housed on frame, feeding port is arranged on the frame end face, institute's improvements are to divide upper, middle and lower-ranking that two relative side by side mixing rolls are housed respectively in described frame, the axle head of mixing roll and described driving mechanism join, described screening plant is arranged between the described mixing roll of adjacent two layers, and discharging opening is located at the bottom of the described mixing roll of lower floor.This layering be provided with to roll structure, constitute a kind of novel vertical pair roller grinding machine.
The utility model relies on three groups of pair rollers of layering setting to carry out the grinding of former mineral aggregate, while process of lapping is to grind to carry out sizing screening.In this process, the ore pulp that reaches the requirement granularity sees through screening plant and is flushed to discharging opening by water; The ore that does not reach grind size then enters down one group of pair roller of one deck, proceeds to grind.The utility model can make all raw ore abrasive lappings become to require the ore pulp of granularity through after twice screening and grinding for three times, discharges from discharging opening at last.Because what every layer of pair roller ground is the former mineral aggregate that does not reach granularity, not can with the ore pulp mixed grinding that reaches granularity requirements, so production efficiency obviously improves.This novel pair roller grinding machine per hour can grind former mineral aggregate 30-80 ton, and discharging-material size reaches 1-3mm.
Mixing roll described in the utility model is the replaceable wear-resisting roller shell of outsourcing one deck on the axle core.Like this, just can after wear-resisting roller shell excessive wear, in time carry out online replacing, ten thousand yuan of the value deficiencies of a wear-resisting roller shell.Like this, both improve production efficiency, reduced the replacement cost of mixing roll again.By to the grinding test of different mining areas ore as can be known, a pair of mixing roll generally can grind ten thousand tons of former mineral aggregates of 5-8.
Driving mechanism described in the utility model is the hydraulic oil pump of driven by motor, has so just realized the hydraulic-driven of mixing roll, and its advantage is that motor-driven power can drop to below the 100kw, than the power drain of the 475kw of ball mill remarkable energy saving effect is arranged.
The utility model also can adopt the computer automatic controller to carry out the Based Intelligent Control of pair roller grinding machine, is provided with the monitoring, alarming of operating modes such as superpressure, excess load and card roller and stops feed control in controller, with the protection machine part, guarantees the safe operation of equipment.
Model machine of the present utility model is tested processing respectively by ore hardness difference, all can reach the designing requirement of expection.The ball mill that test is used this machine with present enterprise has carried out contrast test with regard to the grinding effect of ore, and the result is as follows:
1, product quality: the product quality size that ball mill processes is uneven, and in process, with the cylinder rotation, deadweight is fallen by material, and the different mineral of granule size mix simultaneously, the particle size range of uncontrollable ore.The utility model can be controlled the grind size scope of mineral by adjusting the pair roller gap.Former mineral aggregate less than gap size is not pushed by pair roller, greater than the grinding that is squeezed of the former mineral aggregate of gap size, thereby reaches the particle size range of regulation.
2, power consumption: the power consumption of ball mill production and processing is 475kw/h, and production and processing power consumption of the present utility model is 75kw/h, only is 15.8% of ball mill.
3, production efficiency: the production efficiency of ball mill is 16-29T/h, and production efficiency of the present utility model is 30-80T/h.
4, produce noise: the noise during ball mill is produced is huge, and can't eliminate.The utility model does not collide the steel plate and the liner plate of sounding, and uses the casing cover plate to carry out the interval, and therefore, it is less to produce noise.
5, equipment normal wear: ball mill mainly grinds ore by the collision between steel ball and liner plate, so material consumption is bigger.The utility model is by the pair roller crush and grind, not collision, so material consumption is less.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
As shown in Figure 1, the frame 16 of this novel pair roller grinding machine is to select for use the steel plate of 30mm to be welded into three layers square framework, adopts the screw of M30 fastening between each layer framework.End face at frame 16 upper strata frameworks is provided with feeding port 5, and two pair rollers are installed in every layer of framework of frame, and the axle head of pair roller connects driving mechanism.Pair roller in every layer comprises a stationary roll 4 and a mobile roller 7; Be connected to stationary roll backplate 2 in stationary roll 4 outsides, be connected to mobile roller backplate 9 in mobile roller 7 outsides.The gap length of every layer of pair roller can be controlled automatically by two hydraulic cylinders that the roll shaft end connects and finish, and is easy to operate.Between neighbouring two-layer pair roller, be provided with screening plant.Screening plant comprises sieves 3 and is positioned at the backplate 1 that connects material of sieves bottom.Discharging opening 11 is located at the bottom of lower floor's mixing roll.Stationary roll 4 tops in frame 16 every layer of framework are equipped with fender plate 6, with the control blanking velocity.Above every layer pair roller, be provided with cooling water pipe 8,, cool so that two mixing rolls are sprayed.Screening plant is provided with sieve on every layer screening plant top and dashes material water pipe 10, so that can keep operate as normal.Sieves 3 in the screening plant adopts stainless steel wire to make the adjustable size of its gradient.
Driving mechanism of the present utility model is the hydraulic oil pump of driven by motor.Hydraulic oil pump is the motor-driven by a 75kw, and the high-pressure and hydraulic oil of oil pump output drives mixing roll and rotates, and the rotating speed of pair roller can be regulated arbitrarily by the joystick of automatic variable plunger displacement pump---increase discharge capacity, rotating speed increases; Otherwise rotating speed reduces.
Employed mixing roll both can use solid mixing roll in the utility model, also can use a kind of on the axle core version of the replaceable wear-resisting roller shell of outsourcing one deck.The latter's use is more economical.
The course of work of the present utility model is: material falls into the pair roller on frame 16 upper stratas by feeding port 5, carries out the operation of pulverizing of the first order; After the screening plant sieving and grading, fall into the pair roller in frame middle level, carry out partial grinding operation; By sieving and grading, fall into the pair roller of frame lower floor again, carry out tertiary grinding; Become ore pulp at last and be flushed to discharging opening, enter anti-direct current magnetic separator and carry out magnetic separation by water.
Unit top at this pair roller grinding machine can be provided with Special Automatic suspender, to carry out the replacing of wear-resisting roller shell and sieves etc., keeps in repair very convenient.
Claims (4)
1, a kind of novel pair roller grinding machine, on frame (16), driving mechanism and screening plant are housed, feeding port (5) is arranged on frame (16) end face, it is characterized in that in described frame (16), dividing upper, middle and lower-ranking that two relative side by side mixing rolls are housed respectively, the axle head of mixing roll and described driving mechanism join, described screening plant is arranged between the mixing roll of adjacent two layers, and discharging opening (11) is located at the bottom of the described mixing roll of lower floor.
2, novel pair roller grinding machine according to claim 1, it is characterized in that every layer of described mixing roll comprises a stationary roll (4) and a mobile roller (7), be connected to stationary roll backplate (2) in described stationary roll (4) outside, be connected to mobile roller backplate (9) in described mobile roller (7) outside.
3, novel pair roller grinding machine according to claim 1 and 2 is characterized in that described mixing roll is the replaceable wear-resisting roller shell of outsourcing one deck on the axle core.
4, novel pair roller grinding machine according to claim 1 and 2 is characterized in that described driving mechanism is the hydraulic oil pump of driven by motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201012212U CN201333410Y (en) | 2009-01-07 | 2009-01-07 | Novel pair roller mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201012212U CN201333410Y (en) | 2009-01-07 | 2009-01-07 | Novel pair roller mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201333410Y true CN201333410Y (en) | 2009-10-28 |
Family
ID=41285052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201012212U Expired - Fee Related CN201333410Y (en) | 2009-01-07 | 2009-01-07 | Novel pair roller mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201333410Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103068487A (en) * | 2010-06-24 | 2013-04-24 | 巴西美卓贸易实业有限公司 | Roller for high pressure roller grinder, roller grinder, and method for assembling a roller for a roller grinder |
| CN109351406A (en) * | 2018-09-12 | 2019-02-19 | 安徽康瑞高科新材料技术工程有限公司 | A kind of vertical lapping machine |
-
2009
- 2009-01-07 CN CNU2009201012212U patent/CN201333410Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103068487A (en) * | 2010-06-24 | 2013-04-24 | 巴西美卓贸易实业有限公司 | Roller for high pressure roller grinder, roller grinder, and method for assembling a roller for a roller grinder |
| CN103068487B (en) * | 2010-06-24 | 2014-12-10 | 巴西美卓贸易实业有限公司 | Roller for high pressure roller grinder, roller grinder, and method for assembling a roller for a roller grinder |
| CN109351406A (en) * | 2018-09-12 | 2019-02-19 | 安徽康瑞高科新材料技术工程有限公司 | A kind of vertical lapping machine |
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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: 20091028 Termination date: 20120107 |