CN203459115U - Vertical mill for mineral slag - Google Patents
Vertical mill for mineral slag Download PDFInfo
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- CN203459115U CN203459115U CN201320512680.6U CN201320512680U CN203459115U CN 203459115 U CN203459115 U CN 203459115U CN 201320512680 U CN201320512680 U CN 201320512680U CN 203459115 U CN203459115 U CN 203459115U
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Abstract
The utility model provides a vertical mill for mineral slag. The vertical mill for mineral slag comprises a vertical mill foundation, supports, a milling disc, main milling rolls, main rocker arms, main hydraulic loading mechanisms, auxiliary milling rolls, auxiliary rocker arms, auxiliary hydraulic loading mechanisms and a shell. The vertical mill for mineral slag further comprises three bridge frames, wherein the bridge frames are plate-shaped; three supports, three main milling rolls, three main rocker arms and three main hydraulic loading mechanisms are in one-to-one correspondence, and the bridge frames are connected between the two adjacent supports; three auxiliary milling rolls, three auxiliary rocker arms and three auxiliary hydraulic loading mechanisms are in one-to-one correspondence, each auxiliary rocker arm is arranged on each bridge frame and only comprises an upper rocker arm; the shell is installed and fixed on the supports and the bridge frames, and a powder concentrator is located on the shell; and one end of each auxiliary hydraulic loading mechanism is connected with the shell and the other end of the auxiliary hydraulic loading mechanism is connected with the upper rocker arm of each auxiliary rocker arm. The vertical mill for mineral slag provided by the utility model is greatly reduced in overall weight, decreased in cost, more stable in running, reduced in electricity consumption, and high in overall efficiency.
Description
Technical field
The utility model relates to a kind of slag vertical-mill, relates 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, integrate broken, dry, grinding, classification is carried, 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 matching be with it 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, two main grinding rollers that wherein diagonal angle is arranged 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 self-contained upper and lower two rocking arms.Application practice discovery, the slag vertical-mill of the type exists the problems such as outfit of equipment weight is large, installation and repairing cost is high, operational shock is large, power consumption.
Utility model content
The purpose of this utility model is to provide a kind of slag vertical-mill, to improve efficiency, the reduction of traditional Vertical Mill, manufactures installation and operation maintenance cost, improves operation stability.
To achieve these goals, the utility model provides a kind of slag vertical-mill, comprises 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 one by one correspondence is articulated with described N support upper end,
The individual main grinding roller of described N one by one correspondence is located in described N master rocker mechanism and is positioned at described mill top, and described N main hydraulic loading mechanism connects one to one between the lower end and described N master rocker mechanism of a described N support; 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 more than or equal to 2 positive integer.
According to a kind of preferred embodiment of above-mentioned slag vertical-mill, wherein, a described N crane span structure is tabular.
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, be uniformly-spaced distributed in mill around.
According to a kind of preferred embodiment of 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 in 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.
According to a kind of preferred embodiment of above-mentioned slag vertical-mill, wherein, between the lower shake-changing arm of described master rocker mechanism and described support, be provided with master rocker mechanical stop limiter, described master rocker mechanical stop limiter comprises: top board, and a side is located on the lower shake-changing arm of described master rocker mechanism; Push rod, one end connects on the another side of described top board; Front apron, the front portion of described push rod is through described front apron; Backboard, the rear portion of described push rod is through described backboard; End cap, posterior lateral margin is 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 is located between described front apron and backboard; Oblique flange, for being fixed on support, described backboard is fixed on described oblique flange; Brake hoop, is located at the rear end of described push rod, for controlling the position of described push rod; Control lever, is located at the rear end of described brake hoop, for controlling described brake hoop.
According to a kind of preferred embodiment of above-mentioned slag vertical-mill, wherein, on the casing above crane span structure, be provided with the auxiliary rocking arm mechanical stop limiter of the described auxiliary rocker arm body action of restriction.
According to a kind of preferred embodiment of 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 the oil cylinder of described main hydraulic loading mechanism, for cushioning the dither of described main hydraulic loading mechanism and auxiliary hydraulic loading mechanism.
From upper analysis, the utility model, 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 stone effect, further reduce the operational shock of grinding machine.Visible, the utility model 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 manufacture, installation, the cost of overhaul reduce, during operation vibration less, more steady, power consumption reduces, overall efficiency is higher.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model preferred embodiment;
Fig. 2 is the plan structure schematic diagram of the main grinding roller of the utility model preferred embodiment, auxiliary grinding roller and mill;
Fig. 3 is the structural representation that the mechanical stop limiter of the utility model preferred embodiment 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 utility model is described in further details.
Fig. 1 shows the overall structure of the utility model preferred embodiment, 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.Between two adjacent supports 2, by being tabular crane span structure 9, connect, 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, in mill 3, is furnished with liner plate, and mill 3 is installed on main gear reducer output flange by bolt, with 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, between the upper lower shake-changing arm of master rocker mechanism 5, by bearing pin, links together.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 are alternately arranged on mill 3 along the circumferencial direction of mill 3, and main grinding roller 6 is assemblied in 5 Shang， master rocker mechanisms 5 of master rocker mechanism and 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 end 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, no longer needs upper and lower two rocking arms, has been equivalent to cancel the lower shake-changing arm of prior art, but by load maintainer directly by transmission of power to upper rocker arm.
Although the preferred embodiment shown in Fig. 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 utility model is not limited to this, and each parts can change as required.
With a specific embodiment, the above-mentioned embodiment of the application favourable part in actual production is described below.
The application's utility model people has worked out the new and effective BRM43.3+3S type slag vertical-mill (shown in Fig. 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 Fig. 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 is 3 (are 120 ° and are distributed in mill 3 around), and central diameter is Φ 1900mm, and single roller weight is 15240Kg; Traditional main grinding roller quantity of BRM46.2+2S type slag vertical-mill 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 is 3 (be 120 ° and be distributed in mill 3 around, major-minor grinding roller is totally 6 arranged spaced, is uniformly-spaced distributed on around mill 3), and central diameter is Φ 1250mm, and 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 guaranteeing that mill output is constant, this preferred embodiment has adopted mill and 3 less main grinding rollers of small diameter, caused that thus the variation of structure and associated components are as weight reducings such as rocking arm, supports, 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, at this preferred embodiment Zhong， 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 grinding machine strenuous vibration.As shown in Figure 3 and Figure 4, the mechanical stop limiter arranging 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 is respectively through 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 on 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 for being fixed on support 2 inner sides, for backboard 156 provides support.Brake hoop 152 is located at the rear end of push rod 158, for controlling the position of push rod 158.Control lever 151 is located at the rear end of brake hoop 152, for controlling the rotation of brake hoop 152.
Mode as brake hoop and push rod socket can be as described below: the hole of brake hoop and push rod socket is square, and size is greater than push rod rear end square, can have 2mm left and right difference size between the two; When adjusting after push rod by brake hoop, to guarantee to exist after certain interval between the hole of brake hoop and the rearward end of push rod, 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 moves after together with push rod, 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 not contacting with brake hoop, adding upper ejector pin is traveling priority, does not rotate, and therefore can not drive brake hoop to move.
Between front apron and push rod, be to be threaded, 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 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, now push rod relatively front apron advance forward; But when push rod retreats, it is threaded connection and drives front apron to do identical motion.Spring one side contacts with front apron, and another side contacts with backboard, and make 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 one end are connected with support 2, and the other end is connected with the oil cylinder of main hydraulic loading mechanism 5, 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 to buffer protection function.
To sum up, in the utility model, main motor drives main gear reducer to rotate by shaft coupling, main gear reducer output flange band movable grinding disc and liner plate rotate, mill drives grinding roller to rotate by the material on it, and grinding roller belongs to passive rotation, and the hydraulic stroker in support drives grinding roller to move up and down by rocking arm, can lift grinding roller and grinding roller is pressurizeed, the powder concentrator that the hot blast that the material after milling with liner plate through grinding roller is sent into from hot-air mouth takes the rotation casing to carries out separated.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, owing to having adopted, disperse to mill principle, in the utility model, 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 stone effect, further reduce the operational shock of grinding machine.
Visible, the utility model reasonable in design, overall structure is optimized more, and outfit of equipment weight significantly reduces, single grinding roller weight also significantly reduces simultaneously, and manufacture, installation, the cost of overhaul reduce, and during operation, vibration is less, more steady, power consumption reduces, and overall efficiency is higher.
As known by the technical knowledge, the utility model can be realized by other the embodiment that does not depart from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, and is not only.All changes within the scope of the utility model or within being equal to scope of the present utility model are all included in the utility model.
Claims (8)
1. a slag vertical-mill, comprises 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 one by one correspondence is articulated with described N support upper end,
The individual main grinding roller of described N one by one correspondence 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 and described N master rocker mechanism of a described N support;
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, and 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,
N is more than or equal to 2 positive integer.
2. slag vertical-mill according to claim 1, is characterized in that,
A described N crane span structure is tabular.
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, be uniformly-spaced 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 in 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,
Between the lower shake-changing arm of described master rocker mechanism and described support, be provided with master rocker mechanical stop limiter,
Described master rocker mechanical stop limiter comprises:
Top board, a side is located on the lower shake-changing arm of described master rocker mechanism;
Push rod, one end connects on the another side of described top board;
Front apron, the front portion of described push rod is through described front apron;
Backboard, the rear portion of described push rod is through described backboard;
End cap, posterior lateral margin is 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 is located between described front apron and backboard;
Oblique flange, for being fixed on support, described backboard is fixed on described oblique flange;
Brake hoop, is located at the rear end of described push rod, for controlling the position of described push rod;
Control lever, is located at the rear end of described brake hoop, for controlling described brake hoop.
7. slag vertical-mill according to claim 1, is characterized in that,
On the casing above crane span structure, be provided with the auxiliary rocking arm mechanical stop limiter of the described auxiliary rocker arm body action of restriction.
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 the oil cylinder of described main hydraulic loading mechanism, for cushioning the dither of described main hydraulic loading mechanism and auxiliary hydraulic loading mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320512680.6U CN203459115U (en) | 2013-08-21 | 2013-08-21 | Vertical mill for mineral slag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320512680.6U CN203459115U (en) | 2013-08-21 | 2013-08-21 | Vertical mill for mineral slag |
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| Publication Number | Publication Date |
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| CN203459115U true CN203459115U (en) | 2014-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320512680.6U Expired - Fee Related CN203459115U (en) | 2013-08-21 | 2013-08-21 | Vertical mill for mineral slag |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103394395A (en) * | 2013-08-21 | 2013-11-20 | 中国能建集团装备有限公司北京技术中心 | Slag vertical grinder |
| CN107303521A (en) * | 2016-04-25 | 2017-10-31 | 川崎重工业株式会社 | Vertical roll grinder |
| CN109806943A (en) * | 2017-11-22 | 2019-05-28 | 中国电建集团长春发电设备有限公司 | A kind of high loading force medium-speed pulverizer |
| CN116550434A (en) * | 2023-07-07 | 2023-08-08 | 中国电建集团山东电力建设第一工程有限公司 | Coal-fired grinding device for thermal energy power system of power plant |
-
2013
- 2013-08-21 CN CN201320512680.6U patent/CN203459115U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103394395A (en) * | 2013-08-21 | 2013-11-20 | 中国能建集团装备有限公司北京技术中心 | Slag vertical grinder |
| CN103394395B (en) * | 2013-08-21 | 2015-08-12 | 中国能建集团装备有限公司北京技术中心 | Slag vertical-mill |
| CN107303521A (en) * | 2016-04-25 | 2017-10-31 | 川崎重工业株式会社 | Vertical roll grinder |
| CN109806943A (en) * | 2017-11-22 | 2019-05-28 | 中国电建集团长春发电设备有限公司 | A kind of high loading force medium-speed pulverizer |
| CN116550434A (en) * | 2023-07-07 | 2023-08-08 | 中国电建集团山东电力建设第一工程有限公司 | Coal-fired grinding device for thermal energy power system of power plant |
| CN116550434B (en) * | 2023-07-07 | 2023-11-07 | 中国电建集团山东电力建设第一工程有限公司 | Coal-fired grinding device for thermal energy power system of power plant |
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