CN103394395A - Slag vertical grinder - Google Patents
Slag vertical grinder Download PDFInfo
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- CN103394395A CN103394395A CN2013103672608A CN201310367260A CN103394395A CN 103394395 A CN103394395 A CN 103394395A CN 2013103672608 A CN2013103672608 A CN 2013103672608A CN 201310367260 A CN201310367260 A CN 201310367260A CN 103394395 A CN103394395 A CN 103394395A
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Abstract
A provided slag vertical grinder comprises a vertical grinder base, supports, a millstone, main grinding rolls, main rocking arms, main hydraulic loading mechanisms, auxiliary grinding rolls, auxiliary rocking arms, auxiliary loading mechanisms and a casing; also the slag vertical grinder comprises three plate-shaped bridge stands; the supports, the main grinding rolls, the main rocking arms and the main hydraulic loading mechanisms are divided into three groups each comprising one support, one main grinding roll, one main rocking arm and one main hydraulic loading mechanism, and correspond to each other in each of the group; the bridge stand are respectively connected with two adjacent supports; the auxiliary grinding rolls, the auxiliary rocking arms and the auxiliary loading mechanisms are divided into three groups each comprising one auxiliary grinding roll, one auxiliary rocking arm and one auxiliary loading mechanism, and correspond to each other in each of the group; the auxiliary rocking arms are respectively disposed at the bridge stands, and each rocking arm only comprises the upper rocking arm; the casing is fixedly disposed on the supports and the bridge stands; a powder concentrator is disposed on the casing; and one end of each auxiliary loading mechanism is connected with the casing, and the other end of the auxiliary loading mechanism is connected with the upper rocking arm of the auxiliary rocking arm. The slag vertical grinder has the advantages of substantial reduced total weight, reduced cost, more stable operation, low power consumption and higher total efficiency.
Description
Technical field
The present invention relates to a kind of slag vertical-mill, relate in particular to the main grinding roller of slag vertical-mill, the arrangement of auxiliary grinding roller.
Background technology
Vertical Mill is a kind of desirable large-scale milling equipment, integrating fragmentation, drying, grinding, classification carries, production efficiency is high, bulk, graininess and powder raw material can be worn into desired granular material, is widely used in the industries such as cement, electric power, metallurgy, chemical industry, nonmetallic ore.
Along with the treatment technology of blast furnace granulated slag is ripe gradually, and still have a large amount of slags not to be fully utilized at present, the development of slag vertical-mill has more wide prospect.
At present, the slag milling station of producing 600000 tons per year is the main flow scale on market, the slag vertical-mill model that matches with it be BRM46.2+2S(as shown in Figure 3), this model slag vertical-mill has four grinding rollers and corresponding four rocker arrangements and four holder devices.During operation, wherein two main grinding rollers of diagonal angle layout play the effect of mainly milling, and two auxiliary grinding rollers play the effect of stone.And, no matter be the auxiliary rocker arm body that supports the master rocker mechanism of main grinding roller or support auxiliary grinding roller, all each two of self-contained up and down rocking arm.Application practice discovery, the slag vertical-mill of the type exist the problems such as outfit of equipment weight is large, the installation and repairing cost is high, operational shock is large, power consumption.
Summary of the invention
The object of the present invention is to provide a kind of slag vertical-mill, with the efficiency, the reduction that improve traditional Vertical Mill, manufacture the installation and operation maintenance cost, improve operation stability.
To achieve these goals, the invention provides a kind of slag vertical-mill, comprise Vertical Mill basis, a N support, mill, a N main grinding roller, a N master rocker mechanism, a N main hydraulic loading mechanism, a N auxiliary grinding roller, a N auxiliary rocker arm body, a N auxiliary hydraulic loading mechanism, casing; A described N support is distributed on described Vertical Mill basis, and described N master rocker mechanism correspondence one by one is articulated in described N support upper end,
Described N main grinding roller correspondence one by one is located in described N master rocker mechanism and is positioned at described mill top, and the individual main hydraulic loading mechanism of described N connects one to one between the lower end of a described N support and described N master rocker mechanism; Described N auxiliary grinding roller is located on described N auxiliary rocker arm body and is positioned at described mill top, and described N auxiliary hydraulic loading mechanism connects one to one in described N auxiliary rocker arm body; Described N main grinding roller and N auxiliary grinding roller interlaced arrangement above described mill; It is characterized in that, described slag vertical-mill also comprises: N crane span structure, a described N crane span structure connects as one two adjacent described supports separately, described N auxiliary rocker arm body is mounted on respectively on a described N crane span structure, described casing is mounted on described support and described crane span structure, described auxiliary hydraulic loading mechanism one end is connected with described casing, and the other end is connected with described auxiliary rocker arm body, and N is the positive integer more than or equal to 2.
According to a kind of preferred embodiment of above-mentioned slag vertical-mill, wherein, a described N crane span structure is tabular; The two ends of each crane span structure are connected with individual support respectively.
According to a kind of preferred embodiment of above-mentioned slag vertical-mill, wherein, N=3,3 main grinding rollers and 3 auxiliary grinding roller arranged spaced, uniformly-spaced be distributed in mill around.
A kind of preferred embodiment according to above-mentioned slag vertical-mill, wherein, each auxiliary rocker arm body consists of the auxiliary rocking arm that is mounted on the auxiliary rocker arm shaft bearing on a crane span structure and be arranged on auxiliary rocker arm shaft bearing, each auxiliary hydraulic loading mechanism one end is connected with the casing of described crane span structure top, the auxiliary rocking arm connection of the other end and corresponding auxiliary rocker arm body.
According to a kind of preferred embodiment of above-mentioned slag vertical-mill, wherein, described mill external diameter is Φ 4300mm, and weight is 70000KG; Described main grinding roller central diameter is Φ 1900mm, and single roller weight is 15240KG; Described auxiliary grinding roller central diameter is Φ 1250mm, and single roller weight is 5430KG.
A kind of preferred embodiment according to above-mentioned slag vertical-mill, wherein, be provided with the master rocker mechanical stop limiter between the lower shake-changing arm of described master rocker mechanism and described support, described master rocker mechanical stop limiter comprises: top board, a side are located on the lower shake-changing arm of described master rocker mechanism; Push rod, an end connect on the another side of described top board; Front apron, described front apron is passed in the front portion of described push rod; Backboard, described backboard is passed at the rear portion of described push rod; End cap, posterior lateral margin are fixed on described backboard, and described front apron to be positioned at described end cap inner, the front portion of described push rod extends to the front portion of described end cap simultaneously; Ring spring, on sheathed described push rod, and be located between described front apron and backboard; Tiltedly flange, be used for being fixed on support, and described backboard is fixed on described oblique flange; Brake hoop, be located at the rear end of described push rod, is used for controlling the position of described push rod; Control lever, be located at the rear end of described brake hoop, is used for controlling described brake hoop.
, according to a kind of preferred embodiment of above-mentioned slag vertical-mill, wherein, be provided with the auxiliary rocking arm mechanical stop limiter of the described auxiliary rocker arm body action of restriction on the casing above crane span structure.
A kind of preferred embodiment according to above-mentioned slag vertical-mill, wherein, described main hydraulic loading mechanism contains damper, described damper one end is connected with described support, the other end is connected with described main hydraulic loading mechanism, is used for cushioning the dither of described main hydraulic loading mechanism and auxiliary hydraulic loading mechanism.
According to a kind of preferred embodiment of above-mentioned slag vertical-mill, wherein, described slag vertical-mill is the BRM43.3+3S type slag vertical-mill that is applicable to produce per year 600,000 tons of slag milling stations.
By upper analysis as can be known, the present invention, according to disperseing to mill principle, adopts less mill and three less main grinding rollers, and the load that mill is subject to is disperseed.Three auxiliary grinding roller interlaced arrangement between main grinding roller, play the stone effect, further reduce the operational shock of grinding machine.As seen, the present invention is reasonable in design, and overall structure is optimized more, and outfit of equipment weight significantly reduces, and simultaneously single grinding roller weight also significantly reduces, and manufacturing, installation, the cost of overhaul reduce, during operation vibration less, more steady, power consumption reduces, overall efficiency is higher.
Description of drawings
Fig. 1 is the structural representation of the preferred embodiment of the present invention;
Fig. 2 is the plan structure schematic diagram of the main grinding roller of the preferred embodiment of the present invention, auxiliary grinding roller and mill;
Fig. 3 is the structural representation that the mechanical stop limiter of the preferred embodiment of the present invention is installed on master rocker mechanism;
Fig. 4 is the structure for amplifying schematic diagram of mechanical stop limiter in Fig. 3;
Fig. 5 is that the master of traditional main grinding roller, auxiliary grinding roller and mill looks and plan structure schematic diagram (upper figure is front view, and figure below is top view).
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further details.
Fig. 1 shows the overall structure of the preferred embodiment of the present invention, and Fig. 2 emphasis illustrates the structure of the support of this preferred embodiment, main grinding roller, auxiliary grinding roller and mill.As shown in the figure, this preferred embodiment comprises Vertical Mill basis 1, support 2, mill 3, main hydraulic loading mechanism 4, master rocker mechanism 5, main grinding roller 6, auxiliary hydraulic loading mechanism 7, auxiliary grinding roller 8, crane span structure 9, auxiliary rocker arm body 10, broach hopper 11, hot-air mouth 12, casing 13, powder concentrator 14, mechanical stop limiter 15 and damper 16.
Wherein, Vertical Mill basis 1 is positioned at the integrally-built bottom of this preferred embodiment, and three uniform circumference of support 2 are installed or are welded and fixed by bolt and are positioned on Vertical Mill basis 1.Connect by being tabular crane span structure 9 between two adjacent supports 2, such three crane span structures just link into an integrated entity with three holder devices, have increased the stability of holder device.Main gear reducer (unmarked) is positioned at the center on Vertical Mill basis 1, is furnished with liner plate in mill 3, and mill 3 is installed on the main gear reducer output flange by bolt, with the main gear reducer output flange, together rotates.Main hydraulic loading mechanism 4 is connected with support 2 bottoms by bearing pin one end, and the other end is connected with the lower shake-changing arm of master rocker mechanism 5.Main grinding roller 6 is connected with the upper rocker arm of master rocker mechanism 5 by roll shaft, links together by bearing pin between the upper lower shake-changing arm of master rocker mechanism 5.Broach hopper 11 is positioned at around mill 3, and hot-air mouth 12 is connected with broach hopper 11, and auxiliary grinding roller 8 is fixed on crane span structure 9 by auxiliary rocker arm body 10, and casing 13 is mounted on support 2 and crane span structure 9, and powder concentrator 14 is positioned on casing 13.
More specifically, three main grinding rollers 6 and three auxiliary grinding rollers 8 evenly and alternately are arranged on mill 3 along the circumferencial direction of mill 3, and main grinding roller 6 is assemblied in master rocker mechanism 5, and master rocker mechanism 5 is assemblied on support 2.Auxiliary grinding roller 8 is installed on crane span structure 9 by auxiliary rocker arm body 10, auxiliary rocker arm body 10 comprises in fact the bearing block that is arranged on crane span structure 9, is installed on the auxiliary rocking arm on bearing block, auxiliary hydraulic loading mechanism 7 one ends are connected in the auxiliary rocking arm of auxiliary rocker arm body 10, one end is connected on the casing 13 of crane span structure top, and auxiliary grinding roller 8 is rotatably installed on above-mentioned auxiliary rocking arm.
Compared with prior art, auxiliary rocking arm of 10 needs of auxiliary rocker arm body gets final product, and no longer needs two rocking arms in up and down, has been equivalent to cancel the lower shake-changing arm of prior art, but by load maintainer directly with transmission of power to upper rocker arm.
Although preferred embodiment shown in Figure 1 has three supports 2, main hydraulic loading mechanism 4, master rocker mechanism 5, main grinding roller 6, auxiliary hydraulic loading mechanism 7, auxiliary grinding roller 8, the present invention is not limited thereto, and each parts can change as required.
Below with a specific embodiment, the above-mentioned embodiment of the application favourable part in actual production is described.
The present inventor has worked out the new and effective BRM43.3+3S type slag vertical-mill (shown in Figure 2) at 600,000 tons of slag milling stations of supporting annual output.The external diameter of its mill 3 is Φ 4300mm, weight is 70000KG, BRM46.2+2S type slag vertical-mill (shown in Figure 5) the mill external diameter at traditional 600,000 tons of slag milling stations of supporting annual output is Φ 4600mm, weight is 76236KG, by comparison, mill 3 external diameters of this preferred embodiment have reduced 300mm, weight reducing 6236KG.
The quantity of main grinding roller 6 be 3 (be 120 ° be distributed in mill 3 around), central diameter is Φ 1900mm, single roller weight is 15240KG; Traditional BRM46.2+2S type slag vertical-mill master grinding roller quantity is 2, and main grinding roller central diameter is Φ 2240mm, and single roller weight is 24630KG, and by comparison, the gross weight of the main grinding roller of this preferred embodiment has reduced 3540KG.
The quantity of auxiliary grinding roller 8 be 3 (be 120 ° be distributed in mill 3 around, major-minor grinding roller is totally 6 arranged spaced, uniformly-spaced is distributed on around mill 3), central diameter is Φ 1250mm, single roller weight is 5430KG; Traditional auxiliary grinding roller quantity of BRM46.2+2S type slag vertical-mill is 2, and auxiliary grinding roller central diameter is Φ 1700mm, and single roller weight is 10135KG, and by comparison, the auxiliary grinding roller gross weight of this preferred embodiment has reduced 3980KG.
Therefore, application due to the principle of disperseing to mill, in the situation that guarantee that mill output is constant, this preferred embodiment has adopted mill and 3 less main grinding rollers of small diameter, variation and associated components such as the weight reducings such as rocking arm, support of structure have been caused thus, compare traditional BRM46.2+2S slag vertical-mill, complete machine weight drops to 565 tons by 635 tons, has reduced by 70 tons.
More preferably, in this preferred embodiment, master rocker mechanism 5, auxiliary rocker arm body 10 all contain the essentially identical mechanical stop limiter 15 of structure, guarantee that corresponding grinding roller and mill under any circumstance all do not occur directly to contact, and avoid the grinding machine strenuous vibration.As shown in Figure 3 and Figure 4, the mechanical stop limiter that arranges in master rocker mechanism 5 comprises control lever 151, brake hoop 152, oblique flange 153, backboard 154, ring spring 155, front apron 156, end cap 157, push rod 158, top board 159.One side of top board 159 is supported or is located on the lower shake-changing arm of master rocker mechanism 5.One end of push rod 158 connects on the another side of top board 159.The front and rear of push rod 158 passes respectively front apron 156, backboard 154.End cap 157 is for having the tubular structure of the shaft shoulder, and its posterior lateral margin is fixed on backboard 154, and backboard 154 is fixed in the inner surface of support 2 by oblique flange 153.Front apron 156 is positioned at end cap 157 inside, and the front portion of push rod 158 extends to the front portion of end cap 157 simultaneously, to connect top board 159.Ring spring 155 is arranged in end cap 157, on sheathed push rod 158, and between front apron 156 and backboard 154.Tiltedly flange 153 is used for being fixed on support 2 inboards, for backboard 156 provides support.Brake hoop 152 is located at the rear end of push rod 158, is used for controlling the position of push rod 158.Control lever 151 is located at the rear end of brake hoop 152, is used for controlling the rotation of brake hoop 152.
Mode as the socket of brake hoop and push rod can be as described below: brake hoop is square with the hole of push rod socket, and size is greater than push rod rear end square, can have 2mm left and right difference big or small between both; After by brake hoop, adjusting push rod, after guaranteeing between the rearward end of the hole of brake hoop and push rod to have certain interval, brake hoop is fixed by bolts on support, and brake hoop is motionless.During operation, lower shake-changing arm clashes into push rod, and push rod is owing to being threaded togather with front apron, and front apron and push rod move together afterwards, front apron can withstand spring, spring contraction, spring plays cushioning effect, push rod due to brake hoop be gapped, the process of moving after push rod is owing to brake hoop, not contacting, adding upper ejector pin is traveling priority, does not rotate, and therefore can not drive brake hoop and move.
To be threaded between front apron and push rod, when rotating forward under the drive of push rod at brake hoop, if front baffle board is not stopped by end cap, front baffle board can together move forward towards the top board direction with push rod, when front baffle board runs into stopping of end cap and can not advance, owing to being to be threaded between front baffle board and push rod, this moment push rod relatively front apron advance forward; But when push rod retreated, it was threaded connection the drive front apron and does identical motion.The spring one side contacts with front apron, and another side contacts with backboard, and making front apron is level to advance or to retreat in end cap.
As shown in Figure 1, Figure 3, main hydraulic loading mechanism 4 oil cylinders are provided with damper 16, and damper 16 1 ends are connected with support 2, and the other end is connected with the oil cylinder of main hydraulic loading mechanism 5, are used for cushioning the dither of main hydraulic loading mechanism 5.Preferably, damper 16 is hydraulic damper apparatus, and the oil cylinder in running is played buffer protection function.
To sum up, in the present invention, main motor drives main gear reducer by shaft coupling and rotates, main gear reducer output flange band movable grinding disc and liner plate rotate, mill drives grinding roller by the material on it and rotates, and grinding roller belongs to passive rotation, and the hydraulic stroker in support drives grinding roller by rocking arm and moves up and down, namely can lift grinding roller and grinding roller is pressurizeed, the powder concentrator that the hot blast of being sent into from hot-air mouth through grinding roller and the material after liner plate is milled takes the rotation on casing to separates.Three main grinding rollers mainly work the grinding effect of milling, and three auxiliary grinding rollers play the effect of stone and compacting material.
The structural design of three main grinding rollers and three auxiliary grinding rollers is with respect to two structures that grinding roller is milled symmetrical in BRM46.2+2S type slag vertical-mill structure, disperse to mill principle owing to having adopted, in the present invention, grinding roller more disperses the active force of mill, and therefore vibration in service is less, more stable.
Three auxiliary grinding roller interlaced arrangement between main grinding roller, play the stone effect, further reduce the operational shock of grinding machine.
As seen, reasonable in design of the present invention, overall structure is optimized more, outfit of equipment weight significantly reduces, simultaneously single grinding roller weight also significantly reduces, manufacturing, installation, the cost of overhaul reduce, during operation vibration less, more steady, power consumption reduces, overall efficiency is higher.
As known by the technical knowledge, the present invention can realize by other the embodiment that does not break away from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrate, and is not only.All within the scope of the present invention or the change within being equal to scope of the present invention all be included in the invention.
Claims (9)
1. a slag vertical-mill, comprise Vertical Mill basis, a N support, mill, a N main grinding roller, a N master rocker mechanism, a N main hydraulic loading mechanism, a N auxiliary grinding roller, a N auxiliary rocker arm body, a N auxiliary hydraulic loading mechanism, casing;
A described N support is distributed on described Vertical Mill basis,
Described N master rocker mechanism correspondence one by one is articulated in described N support upper end,
The individual main grinding roller of described N correspondence one by one is located in described N master rocker mechanism and is positioned at described mill top,
Described N main hydraulic loading mechanism connects one to one between the lower end of a described N support and described N master rocker mechanism;
Described N auxiliary grinding roller is located on described N auxiliary rocker arm body and is positioned at described mill top,
Described N auxiliary hydraulic loading mechanism connects one to one in described N auxiliary rocker arm body;
Described N main grinding roller and N auxiliary grinding roller interlaced arrangement above described mill;
It is characterized in that, described slag vertical-mill also comprises: N crane span structure, a described N crane span structure connect as one two adjacent described supports separately,
Described N auxiliary rocker arm body is mounted on respectively on a described N crane span structure,
Described casing is mounted on described support and described crane span structure,
Described auxiliary hydraulic loading mechanism one end is connected with described casing, and the other end is connected with described auxiliary rocker arm body,
N is the positive integer more than or equal to 2.
2. slag vertical-mill according to claim 1, is characterized in that,
A described N crane span structure is tabular; The two ends of each crane span structure are connected with individual support respectively.
3. slag vertical-mill according to claim 1, is characterized in that,
N=3，
3 main grinding rollers and 3 auxiliary grinding roller arranged spaced, uniformly-spaced be distributed in mill around.
4. slag vertical-mill according to claim 1, is characterized in that,
Each auxiliary rocker arm body consists of the auxiliary rocking arm that is mounted on the auxiliary rocker arm shaft bearing on a crane span structure and be arranged on auxiliary rocker arm shaft bearing,
Each auxiliary hydraulic loading mechanism one end is connected with the casing of described crane span structure top, the auxiliary rocking arm connection of the other end and corresponding auxiliary rocker arm body.
5. slag vertical-mill according to claim 1, is characterized in that,
Described mill external diameter is Φ 4300mm, and weight is 70000KG;
Described main grinding roller central diameter is Φ 1900mm, and single roller weight is 15240KG; Described auxiliary grinding roller central diameter is Φ 1250mm, and single roller weight is 5430KG.
6. slag vertical-mill according to claim 1, is characterized in that,
Be provided with the master rocker mechanical stop limiter between the lower shake-changing arm of described master rocker mechanism and described support,
Described master rocker mechanical stop limiter comprises:
Top board, a side are located on the lower shake-changing arm of described master rocker mechanism;
Push rod, an end connect on the another side of described top board;
Front apron, described front apron is passed in the front portion of described push rod;
Backboard, described backboard is passed at the rear portion of described push rod;
End cap, posterior lateral margin are fixed on described backboard, and described front apron to be positioned at described end cap inner, the front portion of described push rod extends to the front portion of described end cap simultaneously;
Ring spring, on sheathed described push rod, and be located between described front apron and backboard;
Tiltedly flange, be used for being fixed on support, and described backboard is fixed on described oblique flange;
Brake hoop, be located at the rear end of described push rod, is used for controlling the position of described push rod;
Control lever, be located at the rear end of described brake hoop, is used for controlling described brake hoop.
7. slag vertical-mill according to claim 1, is characterized in that,
Be provided with the auxiliary rocking arm mechanical stop limiter of the described auxiliary rocker arm body action of restriction on the casing above crane span structure.
8. slag vertical-mill according to claim 1, is characterized in that,
Described main hydraulic loading mechanism contains damper, and described damper one end is connected with described support, and the other end is connected with described main hydraulic loading mechanism, is used for cushioning the dither of described main hydraulic loading mechanism and auxiliary hydraulic loading mechanism.
9. slag vertical-mill according to claim 1, is characterized in that,
Described slag vertical-mill is the BRM43.3+3S type slag vertical-mill that is applicable to produce per year 600,000 tons of slag milling stations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310367260.8A CN103394395B (en) | 2013-08-21 | 2013-08-21 | Slag vertical-mill |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310367260.8A CN103394395B (en) | 2013-08-21 | 2013-08-21 | Slag vertical-mill |
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| CN103394395B CN103394395B (en) | 2015-08-12 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103639018A (en) * | 2013-12-17 | 2014-03-19 | 临沂市博信机械有限公司 | Self-adaptive vibration accumulation and energy supply high-efficiency vertical roller mill |
| CN107626393A (en) * | 2017-10-31 | 2018-01-26 | 江苏永钢集团有限公司 | Grinding roller and abrasive disk space adjusting apparatus in slag vertical-mill |
| CN108787046A (en) * | 2018-07-11 | 2018-11-13 | 南京凯盛国际工程有限公司 | A kind of novel vertical mill is milled structure |
| CN109092447A (en) * | 2018-08-21 | 2018-12-28 | 北京电力设备总厂有限公司 | A kind of anthracite Vertical Mill |
| CN114653436A (en) * | 2022-03-31 | 2022-06-24 | 中材（天津）粉体技术装备有限公司 | Grinding device driven by auxiliary grinding roller |
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| CN107626393A (en) * | 2017-10-31 | 2018-01-26 | 江苏永钢集团有限公司 | Grinding roller and abrasive disk space adjusting apparatus in slag vertical-mill |
| CN108787046A (en) * | 2018-07-11 | 2018-11-13 | 南京凯盛国际工程有限公司 | A kind of novel vertical mill is milled structure |
| CN109092447A (en) * | 2018-08-21 | 2018-12-28 | 北京电力设备总厂有限公司 | A kind of anthracite Vertical Mill |
| CN114653436A (en) * | 2022-03-31 | 2022-06-24 | 中材（天津）粉体技术装备有限公司 | Grinding device driven by auxiliary grinding roller |
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| CN103394395B (en) | 2015-08-12 |
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