CN207324971U - A kind of end grinding vertical - Google Patents

Abstract

The utility model provides a kind of whole grinding vertical, including mill and grinding roller, further includes Vertical Mill warehouse, the mill is arranged on Vertical Mill warehouse bottom middle position, and mill bottom is connected with gear reducer, and gear reducer is connected with main motor；The center of the mill top surface is the non-ground area of plane, and edge, which outwards gradually rises, extends to form cambered surface milling zone；Blanking device is equipped with the crown center position of Vertical Mill warehouse；The grinding roller, which tilts, to be fixed on above arc milling zone, and is connected with hydraulic spring mechanism.The utility model can not only can require according to material and according to crushing to be achieved any adjusting unit pressure, with high-energy utilization rate and less equipment size, and the specific energy consumption of the low grinding verticals more whole than pressure of the low Xiang Bi≤0.8MPa of maintenance cost reduces by more than 15~25%, specific energy consumption compared to roll squeezer reduces by more than 20~30%, has significant energy-saving effect.

Description

A kind of end grinding vertical

Technical field

It the utility model is related to a kind of technical field of engineering machinery, more particularly to a kind of whole grinding vertical.

Background technology

Material with hard brittleness matter usually carries out grinding in the ball mill, in recent years more and more in Vertical Mill and roll-in Realized in machine, but roll squeezer and Vertical Mill are respectively present following shortcoming：

1. roll squeezer

Roll squeezer, than pressing work, causes the wear-resistant roller surface service life relatively low, and its maintenance cost is higher usually with very high；And The edge fail that both sides material leakage is brought can cause mill efficiency to reduce by 20~30%, and then cause internal circulating load to increase, specific energy consumption Increase；In the form of sheets, sphericity is poor, causes cement performance not conform to for the grain shape that what is more important roll squeezer end grinding produces Lattice.Above-mentioned reason causes it can not be used directly as end milling equipment.

It is 2. low than pressure Vertical Mill

It is low to be often designed as interior circulation Vertical Mill form than pressure Vertical Mill, and using wind model material particles enter powder concentrator into Row sorts, and wind speed is commonly greater than 40 metre per second (m/s)s at its spout ring, and high speed dust, which washes away, causes the mill roll sleeve service life shorter, while wind Power conveying causes energy consumption higher, does not meet the developing direction of national energy-saving consumption reduction.

Utility model content

For overcome the deficiencies in the prior art, the utility model provides a kind of whole grinding vertical, it is with high-energy profit With rate, less equipment size and less maintenance cost, there is significant energy-saving effect.

Technical solution is used by the utility model solves its technical problem：It is a kind of end grinding vertical, including mill and Grinding roller, further includes Vertical Mill warehouse, and the mill is arranged on Vertical Mill warehouse bottom middle position, mill bottom and gear reducer phase Even, gear reducer is connected with main motor；The center of the mill top surface is the non-ground area of plane, and edge, which outwards gradually rises, prolongs Stretch to form cambered surface milling zone；Blanking device is equipped with the crown center position of Vertical Mill warehouse；The grinding roller tilts and is fixed on arc Above milling zone, and it is connected with hydraulic spring mechanism；The ratio of the roller diameter D of the grinding roller and the central diameter Dt of mill for 0.4~ 0.8, the ratio of the width B and mill central diameter Dt of the grinding roller are 0.1~0.3.

As further preferred embodiment, the top of the mill edge is equipped with blocking material ring.

As further preferred embodiment, the blocking material ring is subsection setup, the position of every section of blocking material ring and height It is adjustable.

As further preferred embodiment, the blanking device is liftable type, and blanking device is visited equipped with metal Survey instrument.

As further preferred embodiment, the angle between the center line and horizontal plane of the grinding roller is 10~20 degree.

As further preferred embodiment, mass flow measuring device is equipped with the blanking device.

As further preferred embodiment, exhaust apparatus is additionally provided with the top of the Vertical Mill warehouse.

As further preferred embodiment, left between the inner wall of the mill lateral wall and Vertical Mill warehouse between blanking Gap, the Vertical Mill warehouse bottom below blanking gap is feeding zone, and material scraping plate is equipped with feeding zone.

As further preferred embodiment, the ratio of the roller diameter D of the grinding roller and the central diameter Dt of mill for 0.45~ 0.65；The ratio of the width B and mill central diameter Dt of the grinding roller are 0.15~0.25.

As further preferred embodiment, the roller set of the grinding roller uses tyre type, and the liner plate of the mill uses Fluted body.

The good effect of the utility model：The utility model can not only be according to material and can be according to powder to be achieved It is broken to require any adjusting unit pressure, until 1.2MPa, has high-energy utilization rate and less equipment size, and maintenance cost Low, the specific energy consumption of the low grinding verticals more whole than pressure of Xiang Bi≤0.8MPa reduces by more than 15~25%, compared to the unit energy of roll squeezer Consumption reduces by more than 20~30%, has significant energy-saving effect.The utility model can be applicable to cement building material, coal, steel, fire In the industries such as power power generation, application prospect is had a vast market.

Brief description of the drawings

Fig. 1 is the structure diagram of whole grinding vertical described in the preferred embodiment in the utility model.

Embodiment

The preferred embodiment of the utility model is described in detail below in conjunction with the accompanying drawings.

With reference to Fig. 1, the preferred embodiment in the utility model provides a kind of whole grinding vertical, including mill 6 and grinding roller 8, also wraps Vertical Mill warehouse 11 is included, the mill 6 is arranged on 11 bottom middle position of Vertical Mill warehouse, and 6 bottom of mill is connected with gear reducer 5, Gear reducer 5 is connected with main motor 1, and the output speed of the main motor 1 can be adjusted；The center of 6 top surface of mill is plane Non-ground area, edge, which outwards gradually rises, extends to form cambered surface milling zone；Set at the crown center position of Vertical Mill warehouse 11 There is blanking device 4；The grinding roller 8, which tilts, to be fixed on above arc milling zone, in order to produce grinding forces, the grinding roller 8 with least A set of hydraulic spring mechanism 10 is connected；The ratio of the roller diameter D of the grinding roller 8 and central diameter Dt of mill 6 is 0.4~0.8, the mill The ratio of the width B and 6 central diameter Dt of mill of roller 8 are 0.1~0.3.

The top of 6 edge of mill, which is equipped with, to be used to laterally limit material bed blocking material ring 2, it is preferred that the gear Material ring 2 can be subsection setup, the position of every section of blocking material ring and highly adjustable.

The blanking device 4 is liftable type, and blanking device 4 is equipped with metal detector 3.

Angle between the center line and horizontal plane of the grinding roller 8 is 15 degree.

Mass flow measuring device is equipped with the blanking device 4, by means of this blanking device 4, feeding and mill circumference Speed proportionally mass flow so that there is the thickness of feed layer of near constant on mill.Preferably, the mill center is non-grinds Mill area be equipped with thickness of feed layer measuring device, for mixture entrance roll gap in mill before, during operation continuously Measurement and display thickness of feed layer.

The top of the Vertical Mill warehouse 11 is additionally provided with exhaust apparatus 7, this exhaust apparatus, which mainly serves, to gather dust.

Leave blanking gap between the inner wall of 6 lateral wall of mill and Vertical Mill warehouse 11, the Vertical Mill below blanking gap Warehouse bottom is feeding zone, and material scraping plate 9 is equipped with feeding zone.Preferably, the material scraping plate (9) uses monolithic construction (non-biography System split blade type structure)；Material scraping plate 9 is connected with mill 6, its rotation is driven by mill 6.

The ratio of the roller diameter D of the grinding roller and the central diameter Dt of mill are preferably 0.45~0.65；The width B of the grinding roller with The ratio of mill central diameter Dt is preferably 0.15~0.25.

The roller set of the grinding roller 8 uses tyre type, and the liner plate of the mill 6 uses fluted body.Preferably, grind roll sleeve with The loading surface of lining board for grinding discs is wear-resistant surface that is anti abrasive and being hardened by means such as built-up welding, heat treatment or mechanical processings.

Material is fed mill by this preferred embodiment by blanking device 4 from center, can cause material thickness of feed layer more Add uniformly；It can be interlocked additionally by metal detector 3 in the bulk metal foreign matter in detecting material and stop main motor 1, So as to protect wear-resistant roller surface, prevent abnormal flake, prolong the service life.

Usually fed by the mixture that new material and recycle stock form by blanking device 4, as defined and lateral The bed of material with predetermined thickness limited is fed on the mill 6 equipped with blocking material ring 2, and mixture is accelerated to mill speed simultaneously And be continuously transferred in the gap that grinding roller is formed with mill, hydraulic spring mechanism 10 provides unit pressure needed for grinding roller, its There is provided than pressure value in 0.8~1.2MPa it is adjustable, realized in the case of particularly preferred 0.9~1.1MPa special to different material Property and expected yield rate loading grinding.Main motor 1 provides the centrifugal acceleration needed for mill 6, and acceleration is in 1.0~1.7g models Enclose interior adjustable, continuously changing to realize the adjusting to thruput in the range of particularly preferred 1.1~1.5g.

During using the utility model product, material is fed from blanking device 4, after metal detector 3, is supplied to mill The 6 non-ground area in center, material uniformly move under the effect of mill centrifugal force to 2 side of blocking material ring, and material enters blocking material ring 2 and mill The grinding power F that hydraulic spring mechanism 10 provides is delivered on material, makes by the area that mills formed between disk 6 and grinding roller 8, grinding roller 8 After all materials are stressed and shear grinding in the case of the high specific pressure (0.9~1.1MPa), material crosses blocking material ring 2 and enters to fall Expect area, it is by material scraping plate 9 that material discharge mill is outer.

The utility model product has the advantages that many other compared with known roll squeezer and the low Vertical Mill than pressure.It is this new Whole grinding vertical the advantages of, in terms of technical elements, high capacity usage ratio can be obtained, and with less equipment size and Weight, maintenance cost is low, and Xiang Bi≤0.8MPa is low, and grinding vertical specific energy consumption more whole than pressure reduces by more than 15~25%, compared to roll-in Machine specific energy consumption reduces by more than 20~30%, has significant energy-saving effect.

Above-described is only the preferred embodiment of the utility model, it should be understood that the explanation of above example is only It is the method and its core concept for being used to help understand the utility model, is not used to limit the scope of protection of the utility model, All any modifications made within the thought and principle of the utility model, equivalent substitution etc., it is new to should be included in this practicality Within the protection domain of type.

Claims (10)

1. a kind of end grinding vertical, including mill and grinding roller, it is characterised in that：Vertical Mill warehouse is further included, the mill is arranged on Vertical Mill warehouse bottom middle position, mill bottom are connected with gear reducer, and gear reducer is connected with main motor；The mill top surface Center is the non-ground area of plane, and edge, which outwards gradually rises, extends to form cambered surface milling zone；The crown center of Vertical Mill warehouse Blanking device is equipped with position；The grinding roller, which tilts, to be fixed on above arc milling zone, and is connected with hydraulic spring mechanism；It is described The ratio of the roller diameter D of grinding roller and the central diameter Dt of mill are 0.4~0.8, and the width B and the ratio of mill central diameter Dt of the grinding roller are 0.1~0.3.

A kind of 2. whole grinding vertical according to claim 1, it is characterised in that：The top of the mill edge is equipped with Blocking material ring.

A kind of 3. whole grinding vertical according to claim 2, it is characterised in that：The blocking material ring is subsection setup, every section The position of blocking material ring and highly adjustable.

A kind of 4. whole grinding vertical according to claim 1 or 2 or 3, it is characterised in that：The blanking device is liftable Type, blanking device are equipped with metal detector.

A kind of 5. whole grinding vertical according to claim 1 or 2 or 3, it is characterised in that：The center line and water of the grinding roller The angle of interplanar is 10~20 degree.

A kind of 6. whole grinding vertical according to claim 1, it is characterised in that：Mass flow is equipped with the blanking device Measuring device.

A kind of 7. whole grinding vertical according to claim 1, it is characterised in that：The row of being additionally provided with the top of the Vertical Mill warehouse Device of air.

A kind of 8. whole grinding vertical according to claim 1, it is characterised in that：The mill lateral wall and Vertical Mill warehouse Leave blanking gap between inner wall, the Vertical Mill warehouse bottom below blanking gap is feeding zone, and material scraping plate is equipped with feeding zone, this Material scraping plate is connected with mill.

A kind of 9. whole grinding vertical according to claim 1, it is characterised in that：In the roller diameter D and mill of the grinding roller The ratio of footpath Dt is 0.45~0.65；The ratio of the width B and mill central diameter Dt of the grinding roller are 0.15~0.25.

A kind of 10. whole grinding vertical according to claim 1, it is characterised in that：The roller set of the grinding roller uses tyre type, The liner plate of the mill uses fluted body.