CN209646631U - A kind of anthracite Vertical Mill - Google Patents

Abstract

The utility model discloses a kind of anthracite Vertical Mills, its Vertical Mill ontology uses cone roller square position Vertical Mill structure, it includes Vertical Mill basis, millstone device, Burnisher apparatus, bracket, rocker arrangement, casing, hopper, hot-air mouth, powder concentrator, cleaning air pipe line, base sealing, water injector, and configured with dreg discharging box and turns over roller arrangement；Its Vertical Mill subsidiary engine includes main motor, speed reducer, speed reducer lubrication station, loading device, seal fan, dry oil lubrication station.The anthracite Vertical Mill structure of the utility model is designed using micro-positive pressure, can meet the sealing of positive pressure, micro-positive pressure, negative pressure system；Can mill difficult mill anthracite of the HGI between 35 ~ 45；Design cleaning wind system, can efficiently solve the problems, such as material accumulation；The setting of mechanical stop limiter guarantees to keep certain distance between grinding roller and mill, avoids friction and collision between wearing piece and metal parts, improve safety；Roller arrangement is turned in outfit, can rout up grinding roller outside mill, easy access；Using Studies of Packaged Rotary Seper ators (powder concentrator) grinding efficiency height.

Description

A kind of anthracite Vertical Mill

Technical field

The utility model relates to vertical mill grinding technical fields, and in particular to a kind of anthracite Vertical Mill.

Background technique

In coal in China market, anthracite is an important kind, although its production and consumption proportion is little, But property and broad applicability due to the scarcity of resources, so that anthracitic with a very important position.So domestic market is for nothing The demand of bituminous coal superfine powder is increasingly increasing, and has certain demand in fields such as electric power, chemical industry and cement.

Opposite with the huge market prospects of anthracite is the shortage problem of China's anthracite grinding technology and equipment.It is existing In technology: the Chinese invention patent of Publication No. CN105419876A discloses a kind of anthracitic preprocess method, will be smokeless Coal raw material is ground into smokeless coal particle, and smokeless coal particle is mixed with the aqueous solution containing catalytic ionic so that catalytic ionic It is supported on the surface of smokeless coal particle, the mixture being made of smokeless coal particle with the aqueous solution containing catalytic ionic is done Dry processing obtains the smokeless coal particle that area load has catalytic ionic, and binder is added into the smokeless coal particle after drying process And carry out forming processes and obtain mold compound, mold compound is ground into smokeless coal particle cohesive body；This method can be improved smokelessly The reactivity of coal progress catalytic gasification.The Chinese invention patent of Publication No. CN 103695066A discloses a kind of anthracite Coal slurry gasifier discharges the reuse method of fine slag, and this method passes through the gasification fine slag that anthracite coal slurry gasifier discharges Pump is attached with floatation feed bucket and tail coal mud feeding bucket respectively, into being used for through the cleaned coal that flotation obtains for floatation feed bucket Gasification furnace mixes burning, and the squeezing that carries out into tail coal mud feeding bucket mixes burning for coal burning boiler as coal slime, useless after flotation, squeezing Water returns grey water storage tank circulation, and the program can be improved the gasification efficiency of water-coal-slurry and reduce energy consumption, it is ensured that coal chemical industry production The high load capacity and safe and stable operation of line.The Chinese utility model patent of Publication No. CN201912966U discloses a kind of coking Anthracite medium-speed pulverizer device for thinning, it includes air blower, cyclone dust collectors, bag filter, air-introduced machine, cyclone dust collectors discharging Pipe is connected to bag filter feed pipe, and bag filter discharge pipe is connected to air-introduced machine blast pipe, and air blower discharge pipe is in Speed mill connection, medium-speed pulverizer discharge nozzle are connected to cyclone dust collectors feed pipe；The medium-speed pulverizer of the program is directly milled anthracite, in Separator selection by winnowing in speed mill goes out to reach the thin anthracite of technique fineness requirement, is combined by cyclone dust removal and bag filter Two-stage receive powder mode and be up to the anthracite of technique fineness requirement and collect.

The development of domestic at present large-scale anthracite Vertical Mill grinding technology and equipment is still in the starting stage, designs and manufactures All also be not it is very mature, with the development in domestic anthracite market, including electric power, coal chemical industry, especially in new type nonaqueous cement Anthracitic demand is increasing year by year on production line, accelerates the research of large-scale anthracite grinding technology and opening for equipment Hair really realizes the production domesticization of equipment and technology, has become common recognition in the industry.

Utility model content

Aiming at the problems existing in the prior art, the utility model provides a kind of anthracite Vertical Mill, can guarantee that Vertical Mill exists No leakage is run under positive pressure, it is environmental-friendly；For realizing the production domesticization of anthracite grinding technology, breaks anthracite and mill and set The standby status monopolized by overseas equipment has vital effect, more has the market competitiveness.

To achieve the goals above, the utility model adopts the following technical solution.

The utility model provides a kind of anthracite Vertical Mill, it includes Vertical Mill ontology and Vertical Mill subsidiary engine, and the Vertical Mill ontology is adopted With cone roller square position Vertical Mill structure comprising Vertical Mill basis, millstone device, Burnisher apparatus, bracket, rocker arrangement, casing, material Bucket, hot-air mouth, powder concentrator, cleaning air pipe line, base sealing, water injector, and configured with dreg discharging box and turn over roller arrangement；It is described vertical Grinding subsidiary engine includes main motor, speed reducer, speed reducer lubrication station, loading device, seal fan, dry oil lubrication station.

It is preferred that the first possible implementation, the Vertical Mill basis, as a whole support be set to the main motor, Speed reducer device bottom；The main motor is connect by shaft coupling with speed reducer, and millstone device is connected by bolt with speed reducer It connects；The holder device is fixedly installed on the basis of Vertical Mill；The Burnisher apparatus is rotatablely arranged on the millstone device Side can cooperate with the millstone device to grinding on millstone device to grind materials；The rocker arrangement, thereon with mill Roller arrangement constitutes component, lower to be connected with loading device；The hopper and the casing by millstone device, Burnisher apparatus and shake The upper rocker arm package of arm assembly wherein, plays support and sealing function；The hot-air mouth is set at the hopper, hot wind Thus enter in mill；The cleaning air pipe line is set to below the rocker arm shaft of rocker arrangement；The powder concentrator is placed in the machine Above shell, water injector is arranged around air separator feed opening.

In conjunction with above-mentioned possible implementation, in the second possible implementation, the loading device, which has, to be completed The function of pressure is adjusted in operation, and using with standby laminated structure, keeps the vibration generated in grinding machine operation smaller, grinding machine is run more Add stabilization.

In conjunction with above-mentioned possible implementation, in the third possible implementation, the hot wind is used all Own nitrogen, reduces the operation cost of chemical plant the whole series production system, and strengthen clean and environmental protection.

In conjunction with above-mentioned possible implementation, in the fourth possible implementation, big goalkeeper's rocker arm of the casing The upper rocker arm of device and the interlude of rocker arm shaft are enclosed in casing, and seal point is moved to rocker arm using the method for full package upper rocker arm On axis.

In conjunction with above-mentioned possible implementation, in a fifth possible implementation, the side of the casing is equipped with people Kong Men.

In conjunction with above-mentioned possible implementation, in a sixth possible implementation, including multiple Burnisher apparatus are uniformly distributed It is arranged on millstone device, and multiple brackets, rocker arrangement, hydraulic cylinder device are arranged in corresponding the multiple Burnisher apparatus.

In conjunction with above-mentioned possible implementation, in the 7th kind of possible implementation, the base sealing uses carbon Ring sealing.

In conjunction with above-mentioned possible implementation, in the 8th kind of possible implementation, machinery is provided on the bracket Limiting device, using rubber slab structure.

In conjunction with above-mentioned possible implementation, in the 9th kind of possible implementation, the seal fan mesohigh is empty Gas is passed through into each Burnisher apparatus, base sealing, powder concentrator respectively, and pressure-air is enough to blow back dust in mill, thus shape At gas sealing system.

In conjunction with above-mentioned possible implementation, in the tenth kind of possible implementation, the dry oil lubrication station is used Intelligent centralized lubricating system, it provides lubricating oil to the different parts of grinding machine simultaneously, and oil site includes: rocker bearing, rocker arm shaft Thrust mechanism, load cylinder bearing etc..

In conjunction with above-mentioned possible implementation, in a kind of the tenth possible implementation, the speed reducer is using horizontal " bevel gear-planetary gear double reduction transmission " structure type of input, vertical output.

In conjunction with above-mentioned possible implementation, in the 12nd kind of possible implementation, the gear of the speed reducer is pacified It fills axis and uses rolling bearing, planet carrier upper journal uses bush(ing) bearing, exports and is slided below drive flange using static pressure Thrust bearing.

In conjunction with above-mentioned possible implementation, in the 13rd kind of possible implementation, the roller knot of the Burnisher apparatus Structure is tapered structure, and roller covers surface overlaying.

In conjunction with above-mentioned possible implementation, in the 14th kind of possible implementation, the Burnisher apparatus is using oil The mode of domain lubrication is lubricated.

It is shaken on the rocker arrangement in the 15th kind of possible implementation in conjunction with above-mentioned possible implementation Arm and rocker arm shaft are a single-casting.

It is shaken on the rocker arrangement in the 16th kind of possible implementation in conjunction with above-mentioned possible implementation Arm, lower shake-changing arm connection are using the form connecting rocker arm axis for being tensioned coupling sleeve.

In conjunction with above-mentioned possible implementation, in the 17th kind of possible implementation, the millstone device is square position Mill structure, liner plate are formed using the built-up welding of high-wearing feature metal material.

In conjunction with above-mentioned possible implementation, in the 18th kind of possible implementation, nozzle at the millstone device Using quiet form of nozzle, easily-worn position has used resurfacing welding material, and nozzle area is adjustable.

Millstone device in conjunction with above-mentioned possible implementation, in the 19th kind of possible implementation, in the mill It is equipped with water injector, by water spray, realization Vertical Mill that can be more stable is run.

In conjunction with above-mentioned possible implementation, in the 20th kind of possible implementation, in the cleaning air pipe line It cleans wind and comes from hot-air mouth.

In conjunction with above-mentioned possible implementation, in a kind of the 20th possible implementation, on the cleaning air pipe line Equipped with collector.

In conjunction with above-mentioned possible implementation, in the 22nd kind of possible implementation, the powder concentrator is using dynamic Quiet combining form, guiding stator blade are fixed blade, and the blade on the cage rotor of revolution is dynamic blade.

In conjunction with above-mentioned possible implementation, in the 23rd kind of possible implementation, the powder concentrator returns powder cone Setting is increased, to reduce mill internal resistance.

In conjunction with above-mentioned possible implementation, in the 24th kind of possible implementation, the structure of the powder concentrator Form is cage modle.

In conjunction with above-mentioned possible implementation, in the 25th kind of possible implementation, the anthracite Vertical Mill is adopted With micro-positive pressure design structure, meet the sealing of positive pressure, micro-positive pressure, negative pressure system.

In conjunction with above-mentioned possible implementation, in the 26th kind of possible implementation, is designed and tied using micro-positive pressure Structure, the anthracite Vertical Mill run under positive pressure, difficult mill anthracite of the HGI between 35 ~ 45 of milling.

Compared with prior art, the above-mentioned technical proposal of the utility model has the following beneficial effects:

By upper analysis it is found that the anthracite Vertical Mill of the utility model, smart structural design is simple to operate, production effect Rate is high, energy conservation and environmental protection, can satisfy anthracitic grinding and uses and reach production；It can guarantee that Vertical Mill runs nothing under positive pressure and lets out Leakage, it is environmental-friendly；Under the premise of guaranteeing the safe and stable operation of equipment, operation cost is not only reduced, but also strengthen wiper ring It protects, has saved fund for enterprise and user.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property It puts, is also possible to obtain other drawings based on these drawings.

Fig. 1 is the structural schematic diagram according to a preferred embodiment of the anthracite Vertical Mill of the utility model；

Fig. 2 is to show according to the hot-air mouth and dreg discharging box position of the embodiment illustrated in fig. 1 of the anthracite Vertical Mill of the utility model It is intended to.

Appended drawing reference:

1, Vertical Mill basis, 2, turn over roller arrangement, 3, bracket, 4, loading device, 5, cleaning air pipe line, 6, rocker arrangement, 7, mill Roller arrangement, 8, powder concentrator, 9, casing, 10, water injector, 11, millstone device, 12, hopper, 13, base sealing, 14, speed reducer, 15, main motor, 16, dreg discharging box, 17, hot-air mouth.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

In order to overcome Vertical Mill the problems of in the prior art, the utility model embodiment proposes that a kind of anthracite is vertical Mill, can guarantee that Vertical Mill runs No leakage under positive pressure, environmental-friendly；And can guarantee the safe and stable operation of equipment, Failure is reduced, is reduced the cost, the market competitiveness is increased.

Anthracite Vertical Mill described in the present embodiment includes Vertical Mill ontology and Vertical Mill subsidiary engine, and Vertical Mill ontology uses cone roller square position Vertical Mill structure.Fig. 1 is the structural schematic diagram of anthracite Vertical Mill described in the present embodiment, and Vertical Mill ontology includes Vertical Mill basis 1, mill Device 11, Burnisher apparatus 7, bracket 3, rocker arrangement 6, casing 9, hopper 12, hot-air mouth 17, powder concentrator 8, cleaning air pipe line 5, machine Seat sealing 13, water injector 10, and configured with dreg discharging box 16 and turn over roller arrangement 2；Vertical Mill subsidiary engine includes main motor 15, speed reducer 14, speed reducer lubrication station, loading device 4, seal fan, dry oil lubrication station.Wherein, Vertical Mill basis 1, support is set as a whole It is placed in the bottom of the equipment such as main motor 15, speed reducer 14；Main motor 15 is connect by shaft coupling with speed reducer 14, millstone device 11 It is connected by bolt with speed reducer 14；Burnisher apparatus 7 is rotatablely arranged at 11 top of millstone device, can be with millstone device 11 cooperations to grind materials to grinding on millstone device 11；3 device of bracket is fixedly installed on Vertical Mill basis 1；Rocker arm dress It sets, constitutes component with Burnisher apparatus thereon, lower to be connected with loading device, rocker arrangement 6 is connect by roll shaft with Burnisher apparatus 7 Loading device 4 rotates；Hopper and casing wrap up the upper rocker arm of millstone device, Burnisher apparatus and rocker arrangement wherein, play branch Support and sealing function；Hot-air mouth is set at hopper, thus hot wind enters in mill；Broach hopper 12 as shown in the figure is located at mill dress Around setting, hot-air mouth 17 is connected with the hopper 12 of taper, and casing 9 is mounted on bracket 3, powder concentrator 8 be located at casing 9 it On, water injector 10 is arranged around 8 feed opening of powder concentrator；Hot wind is entered in mill by hot-air mouth 17；3 device of bracket is uniformly located at On Vertical Mill basis 1, three holder devices 3 divide equally 120 ° of circumferences on Vertical Mill basis 1.

Anthracite Vertical Mill described in the present embodiment, loading device 4 has the function of completing to adjust pressure in operation, and uses With standby laminated structure, keep the vibration generated in grinding machine operation smaller, grinding machine operation is more stable；Hot wind uses all own Nitrogen, reduces the operation cost of chemical plant the whole series production system, and strengthens clean and environmental protection；Big goalkeeper's rocker arm of casing 9 fills The interlude of the upper rocker arm and rocker arm shaft set is enclosed in casing, and seal point is moved to rocker arm shaft using the method for full package upper rocker arm On；The side of casing 9 is equipped with manhole door；It is uniformly arranged on millstone device including multiple Burnisher apparatus, and correspondence is the multiple Multiple brackets, rocker arrangement, hydraulic cylinder device are arranged in Burnisher apparatus；Base sealing 13 is sealed using carbon ring；It is arranged on bracket 3 Mechanical stop limiter, using rubber slab structure；Seal fan mesohigh air respectively to each Burnisher apparatus, base sealing, It is passed through in powder concentrator, pressure-air is enough to blow back dust in mill, to form gas sealing system.

Anthracite Vertical Mill described in the present embodiment, dry oil lubrication station use intelligent centralized lubricating system, it is simultaneously to mill The different parts of machine provide lubricating oil, and oil site includes: rocker bearing, rocker arm shaft thrust mechanism, load cylinder bearing etc.；Slow down Machine 14 uses " bevel gear-planetary gear double reduction transmission " structure type of horizontal input, vertical output；The tooth of speed reducer 14 It takes turns installation axle and uses rolling bearing, planet carrier upper journal uses bush(ing) bearing, exports and uses static pressure below drive flange Slide thrust bearing.

Anthracite Vertical Mill described in the present embodiment, the roll structure of Burnisher apparatus 7 is tapered structure, and roller covers surface overlaying； Burnisher apparatus 7 is lubricated by the way of oily domain lubrication；The upper rocker arm and rocker arm shaft of rocker arrangement 6 are a single-casting； The upper rocker arm of rocker arrangement 6, lower shake-changing arm connection use the form connecting rocker arm axis of tensioning coupling sleeve；Millstone device 11 is square position mill Dish structure, liner plate are formed using the built-up welding of high-wearing feature metal material；Nozzle uses quiet form of nozzle at millstone device 11, easy to wear Position has used resurfacing welding material, and nozzle area is adjustable；

Anthracite Vertical Mill described in the present embodiment, the millstone device 11 in mill are equipped with water injector 10, pass through water spray, energy Enough more stable realization Vertical Mill operations.

Anthracite Vertical Mill described in the present embodiment, the cleaning wind cleaned in air pipe line 5 come from hot-air mouth；Clean air pipe line 5 It is equipped with collector.

Anthracite Vertical Mill described in the present embodiment, for powder concentrator 8 using form of being association of activity and inertia, guiding stator blade is fixed leaf Piece, the blade on the cage rotor of revolution are dynamic blade；Powder concentrator 8 returns powder cone and increases setting, to reduce mill internal resistance；Choosing The structure type of powder machine 8 is cage modle.

Anthracite Vertical Mill with above structure, the course of work are as follows:

Drive the millstone device 11 for being mounted on the top of speed reducer 14 to rotate by main motor 15, at the same hot wind from hot-air mouth 17 into Enter in Vertical Mill, material falls in the center of millstone device 11 of rotation from feeding inlet, and material is to millstone device under the influence of centrifugal force 11 edges are mobile, and material is rolled and crushed by Burnisher apparatus 7, continue it is mobile to 11 edge of millstone device, until by vane The air-flow at place takes up, and bulky grain falls directly on millstone device 11 grinding again, when the material in air-flow passes through powder concentrator 8, slightly Powder falls back on millstone device 11 grinding again, and fine powder goes out to grind, collect in the dust arrester installation of system with air-flow.It is feeding Material in, might have some material blocks for being difficult to crush and metal block accidentally fed in mill；Collet is crossed when them to arrive When at up to vane, the air-flow for being not enough to be ejected is blown afloat, thus falls to hopper 12 along wind deflector, scrapes dreg discharging box by scraper plate It is discharged at 16.

Anthracite Vertical Mill, is designed using micro-positive pressure described in the present embodiment, and can effectively mill anthracite；It is being ground using grinding roller Ground material is directly rolled on disk, low energy consumption；It can change the size of grinding forces, by way of hydraulic loaded so as to increase Big yield improves milling efficiency；Hydraulic system operation mill running is more stable, auto lifting roller and can fall roller, it can be achieved that empty (light) It carries and starts, high safety and reliability；The setting of mechanical stop limiter guarantees to keep certain distance between grinding roller and mill, avoid resistance to Grind the friction and collision between part and metal parts；By water injector, can the effectively stable bed of material, keep grinding machine more safety steady Fixed operation；Cleaning wind system is devised, solves the problems, such as material accumulation；Sound Studies of Packaged Rotary Seper ators (selects powder Machine) grinding efficiency height；It is equipped with and turns over roller arrangement, grinding roller can be routed up outside mill, easy access.

The above is only that preferred embodiments of the present invention are described, and is not the model to the utility model It encloses and is defined；The foregoing is merely specific embodiment of the present utility model, it is not used to limit the utility model Protection scope；Under the premise of not departing from the spirit of the design of the utility model, this field ordinary engineering and technical personnel is practical new to this Any modification, equivalent substitution, improvement and etc. that the technical solution of type is made, the claims that should all fall into the utility model determine Protection scope in.

Claims (26)

1. a kind of anthracite Vertical Mill, including Vertical Mill ontology and Vertical Mill subsidiary engine, it is characterised in that:

The Vertical Mill ontology use cone roller square position Vertical Mill structure comprising Vertical Mill basis, millstone device, Burnisher apparatus, bracket, Rocker arrangement, casing, hopper, hot-air mouth, powder concentrator, cleaning air pipe line, base sealing, water injector, and it is configured with dreg discharging box With turn over roller arrangement；The Vertical Mill subsidiary engine includes main motor, speed reducer, speed reducer lubrication station, loading device, seal fan, drier oil Lubrication station；The Vertical Mill basis, support is set to the main motor, speed reducer device bottom as a whole；The main motor It is connect by shaft coupling with speed reducer, millstone device is connected by bolt with speed reducer；The holder device is fixedly installed on On the basis of Vertical Mill；The Burnisher apparatus is rotatablely arranged above the millstone device, can be cooperated with the millstone device To being ground to grind materials on millstone device；The rocker arrangement constitutes component, lower and load with Burnisher apparatus thereon Device is connected；The hopper and the casing wherein by the upper rocker arm package of millstone device, Burnisher apparatus and rocker arrangement rise To support and sealing function；The hot-air mouth is set at the hopper, thus hot wind enters in mill；The cleaning air hose Road is set to below the rocker arm shaft of rocker arrangement；The powder concentrator is placed in above the casing, and water injector surrounds powder concentrator Feed opening arrangement.

2. anthracite Vertical Mill as described in claim 1, it is characterised in that: the loading device, which has, to be completed to adjust pressure in operation The function of power, and using with standby laminated structure, keep the vibration generated in grinding machine operation smaller, grinding machine operation is more stable.

3. anthracite Vertical Mill as described in claim 1, it is characterised in that: all own nitrogen that the hot wind uses, drop The low operation cost of chemical plant the whole series production system, and strengthen clean and environmental protection.

4. anthracite Vertical Mill as described in claim 1, it is characterised in that: the upper rocker arm of big goalkeeper's rocker arrangement of the casing It is enclosed in casing with the interlude of rocker arm shaft, is moved to seal point on rocker arm shaft using the method for full package upper rocker arm.

5. anthracite Vertical Mill as described in claim 1, it is characterised in that: the side of the casing is equipped with manhole door.

6. anthracite Vertical Mill as described in claim 1, it is characterised in that: be uniformly arranged including multiple Burnisher apparatus and filled in mill It sets, and multiple brackets, rocker arrangement, hydraulic cylinder device are arranged in corresponding the multiple Burnisher apparatus.

7. anthracite Vertical Mill as described in claim 1, it is characterised in that: the base sealing is sealed using carbon ring.

8. anthracite Vertical Mill as described in claim 1, it is characterised in that: be provided with mechanical stop limiter on the bracket, adopt With rubber slab structure.

9. anthracite Vertical Mill as described in claim 1, it is characterised in that: the seal fan mesohigh air is respectively to each Burnisher apparatus, base are sealed, are passed through in powder concentrator, and pressure-air is enough to blow back dust in mill, to form air seal system System.

10. anthracite Vertical Mill as described in claim 1, it is characterised in that: the dry oil lubrication station uses intelligence and concentrates profit Sliding system, it provides lubricating oil to the different parts of grinding machine simultaneously, and oil site includes: rocker bearing, rocker arm shaft thrust mechanism, adds Carry cylinder bearing.

11. anthracite Vertical Mill as described in claim 1, it is characterised in that: the speed reducer is using horizontal input, vertical output " bevel gear-planetary gear double reduction transmission " structure type.

12. anthracite Vertical Mill as described in claim 1, it is characterised in that: the gear mounting shaft of the speed reducer is using rolling Bearing, planet carrier upper journal use bush(ing) bearing, export and use static pressure slide thrust bearing below drive flange.

13. anthracite Vertical Mill as described in claim 1, it is characterised in that: the roll structure of the Burnisher apparatus is tapered structure, And roller covers surface overlaying.

14. anthracite Vertical Mill as described in claim 1, it is characterised in that: the Burnisher apparatus is by the way of oily domain lubrication It is lubricated.

15. anthracite Vertical Mill as described in claim 1, it is characterised in that: the upper rocker arm of the rocker arrangement is with rocker arm shaft One single-casting.

16. anthracite Vertical Mill as described in claim 1, it is characterised in that: the upper rocker arm of the rocker arrangement, lower shake-changing arm connection Using the form connecting rocker arm axis of tensioning coupling sleeve.

17. anthracite Vertical Mill as described in claim 1, it is characterised in that: the millstone device is square position mill structure, liner plate It is formed using high-wearing feature metal material built-up welding.

18. anthracite Vertical Mill as described in claim 1, it is characterised in that: nozzle uses quiet nozzle shape at the millstone device Formula, easily-worn position have used resurfacing welding material, and nozzle area is adjustable.

19. anthracite Vertical Mill as described in claim 1, it is characterised in that: the millstone device in the mill is equipped with water spray dress It sets, by water spray, realization Vertical Mill that can be more stable is run.

20. anthracite Vertical Mill as described in claim 1, it is characterised in that: the cleaning wind in the cleaning air pipe line carrys out self-heating Air port.

21. anthracite Vertical Mill as described in claim 1, it is characterised in that: the cleaning air pipe line is equipped with collector.

22. anthracite Vertical Mill as described in claim 1, it is characterised in that: the powder concentrator is using form of being association of activity and inertia, guiding Stator blade is fixed blade, and the blade on the cage rotor of revolution is dynamic blade.

23. anthracite Vertical Mill as described in claim 1, it is characterised in that: the powder concentrator returns powder cone and increases setting, to reduce Mill internal resistance.

24. anthracite Vertical Mill as described in claim 1, it is characterised in that: the structure type of the powder concentrator is cage modle.

25. anthracite Vertical Mill as described in claim 1, it is characterised in that: the anthracite Vertical Mill is using micro-positive pressure design knot Structure meets the sealing of positive pressure, micro-positive pressure, negative pressure system.

26. anthracite Vertical Mill as described in claim 1, it is characterised in that: micro-positive pressure design structure is used, under positive pressure The anthracite Vertical Mill of operation, difficult mill anthracite of the HGI between 35~45 of milling.