阅读说明：本技术 一种立式磨用烘干搅拌机 (Drying and stirring machine for vertical mill ) 是由 杨成刚 张伟丽 刘畅 于 2019-04-19 设计创作，主要内容包括：本发明提供一种立式磨用烘干搅拌机,包括旋转接头、轴承座一、深沟球轴承、密封端盖、唇形密封、进料口、上壳体、旋转轴装置、轴承座二、圆锥滚子轴承、大带轮、小带轮、电机、底座、槽钢、下壳体、筛网、下料口。多种物料由进料口进入烘干搅拌机中,在热风的作用下进行烘干,旋转轴装置由电机通过带轮直接驱动,在高速旋转的叶片作用下,物料在均匀混合的同时,还被破碎成较小颗粒,合格的物料经筛网进入到立式磨里。本发明充分发挥了烘干搅拌机的破碎、烘干、搅拌等性能,提高了物料的合格率、提高了立式磨的粉碎效率,提高了产品的使用性能,还避免了大颗粒物料对磨辊的冲击磨损。(The invention provides a drying and stirring machine for a vertical mill, which comprises a rotary joint, a first bearing seat, a deep groove ball bearing, a sealing end cover, a lip seal, a feed inlet, an upper shell, a rotary shaft device, a second bearing seat, a tapered roller bearing, a large belt wheel, a small belt wheel, a motor, a base, channel steel, a lower shell, a screen and a feed outlet. During multiple material got into the stoving mixer by the feed inlet, dried under the effect of hot-blast, the rotary shaft device passes through band pulley direct drive by the motor, and under the blade effect of high-speed rotation, the material is still smashed into less granule in the homogeneous mixing, and the material that qualifies enters into vertical mill through the screen cloth. The vertical mill fully exerts the performances of crushing, drying, stirring and the like of the drying and stirring machine, improves the qualification rate of materials, improves the crushing efficiency of the vertical mill, improves the service performance of products, and also avoids impact abrasion of large-particle materials to the mill roll.)

1. The utility model provides a vertical mill is with stoving mixer which characterized in that: including the base, install the pivot device on the base, the pivot device can rotate relative to the base, has the blade at the radial connection of pivot device, still includes the shell, and the shell includes upper and lower casing, and in pivot device and blade located the shell, install drive pivot device pivoted actuating mechanism on the base, is equipped with screen cloth and feed opening in the below of blade.

2. The drying and stirring machine for the vertical mill according to claim 1, wherein: the base be two, two bases directly be equipped with a channel-section steel and connect fixedly.

3. The drying and stirring machine for the vertical mill according to claim 1, wherein: the driving mechanism comprises a motor, a small belt wheel, a large belt wheel and a belt, the motor is fixedly installed with the base through a bolt, the small belt wheel is installed at the output end of the motor, the large belt wheel is installed at one end of the rotating shaft device, and the large belt wheel and the small belt wheel are rotatably connected through the belt.

4. The drying and stirring machine for the vertical mill according to claim 1, wherein: and two groups of bearing devices are arranged between the rotating shaft device and the base, each bearing device comprises a bearing and a bearing seat, the first bearing seat and the second bearing seat are respectively connected with the base through bolts, and the rotating shaft device is respectively fixedly installed with the first bearing seat and the second bearing seat through a deep groove ball bearing and a tapered roller bearing.

5. The drying and stirring machine for the vertical mill according to claim 1 or 2, wherein: one end of the rotating shaft device is provided with a rotating joint.

6. The drying and stirring machine for the vertical mill according to claim 1, wherein: and a sealing end cover is connected between the shell and the rotating shaft device, and a lip seal is adopted between the sealing end cover and the rotating shaft device.

7. The drying and stirring machine for the vertical mill as claimed in claim 6, wherein: the sealing end cover is fixedly connected with the upper shell through a bolt, and the upper shell is provided with a feeding hole.

8. The drying and stirring machine for the vertical mill according to claim 1, wherein: the upper shell is fixedly connected with the lower shell through flanges, and a rubber sealing ring is arranged between the two flanges.

9. The drying and stirring machine for the vertical mill according to claim 1, wherein: the screen cloth pass through a plurality of groups of bolts and lower casing installation fixed, the feed opening pass through bolt fixed mounting and be in the base side.

10. The drying and stirring machine for the vertical mill according to claim 1, wherein: the rotary shaft device comprises a rotary shaft, rib plates, a hollow shaft, blades and a filter screen, wherein the hollow shaft is fixedly arranged on the rotary shaft according to the trisection of the circumference, the rib plates are arranged for reinforcing fixation, the hollow shaft is provided with air holes, the filter screen is arranged for preventing dust from entering the hollow shaft, and the blades are fixedly arranged on the hollow shaft through bolts.

Technical Field

The invention belongs to the field of vertical mills in the building material industry, and particularly relates to a drying and stirring machine for a vertical mill.

Background

The vertical mill integrates the functions of drying, crushing, conveying and the like, has the obvious advantages of high grinding efficiency, low power consumption (saving 20-30 percent of electricity compared with a ball mill), simple grinding process flow, small occupied area, small abrasion and the like, and is widely applied to industries such as building materials, metallurgy, electric power, chemical industry, non-mineral industry and the like. Along with the market competition, the requirements on the vertical mill are more and more strict, the working environment is more and more severe, and the working conditions are more and more complex, so that a severe test is brought to the service performance of the vertical mill. In order to further popularize the application field and the service performance of the vertical mill, a lot of improvements are made, auxiliary equipment is matched with the vertical mill for use, in order to improve the performance of a product or the grinding effect of the vertical mill, materials entering the vertical mill are often mixed by various materials, the material particles are too large, or the moisture is too large, the grinding operation of the vertical mill is not facilitated, and whether the materials are uniformly mixed is also very important.

Disclosure of Invention

The invention aims to provide a drying and stirring machine for a vertical mill, which integrates the functions of crushing, drying, stirring, screening and the like.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

the utility model provides a vertical mill is with stoving mixer, includes the base, installs the rotation axis device on the base, and the rotation axis device can rotate relative to the base, has the blade at rotation axis device radial connection, still includes the shell, and the shell includes upper and lower casing, and in rotation axis device and blade located the shell, install drive rotation axis device pivoted actuating mechanism on the base, is equipped with screen cloth and feed opening in the below of blade.

The base be two, two bases directly be equipped with a channel-section steel and connect fixedly.

The driving mechanism comprises a motor, a small belt wheel, a large belt wheel and a belt, the motor is fixedly installed with the base through a bolt, the small belt wheel is installed at the output end of the motor, the large belt wheel is installed at one end of the rotating shaft device, and the large belt wheel and the small belt wheel are rotatably connected through the belt.

And two groups of bearing devices are arranged between the rotating shaft device and the base, each bearing device comprises a bearing and a bearing seat, the first bearing seat and the second bearing seat are respectively connected with the base through bolts, and the rotating shaft device is respectively fixedly installed with the first bearing seat and the second bearing seat through a deep groove ball bearing and a tapered roller bearing.

One end of the rotating shaft device is provided with a rotating joint.

And a sealing end cover is connected between the shell and the rotating shaft device, and a lip seal is adopted between the sealing end cover and the rotating shaft device.

The sealing end cover is fixedly connected with the upper shell through a bolt, and the upper shell is provided with a feeding hole.

The upper shell is fixedly connected with the lower shell through flanges, and a rubber sealing ring is arranged between the two flanges.

The screen cloth pass through a plurality of groups of bolts and lower casing installation fixed, the feed opening pass through bolt fixed mounting and be in the base side.

The rotary shaft device comprises a rotary shaft, rib plates, a hollow shaft, blades and a filter screen, wherein the hollow shaft is fixedly arranged on the rotary shaft according to the trisection of the circumference, the rib plates are arranged for reinforcing fixation, the hollow shaft is provided with air holes, the filter screen is arranged for preventing dust from entering the hollow shaft, and the blades are fixedly arranged on the hollow shaft through bolts.

The invention has the beneficial effects that: as front-end equipment of the vertical grinding process, the grinding machine has the functions of crushing, drying, stirring, screening and the like. The technological parameters of the equipment can be adjusted according to the material characteristics, flexible production is realized, and the actual use requirements of materials of the vertical mill are met. Firstly, several materials can be mixed, so that the efficiency of the vertical milling and grinding mill and the product performance are improved; secondly, larger material particles can be crushed, so that the impact damage of the larger particles entering the vertical mill to the grinding roller is avoided; and finally, the discharge port is provided with a screen, the mesh size of the screen can be adjusted according to the actual production requirement, and the grinding efficiency of the vertical mill is further improved.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a left side view of the present invention;

FIG. 3 is a front view of the swivel axis apparatus;

FIG. 4 is a left side view of the swivel axis apparatus;

in the figure: 1. a rotary joint; 2. a first bearing seat; 3. a deep groove ball bearing; 4. sealing the end cap; 5. lip seal; 6. a feed inlet; 7. an upper housing; 8. a rotating shaft device; 801. a rotating shaft; 802. a rib plate; 803. a hollow shaft; 804. a blade; 805. a filter screen; 9. a second bearing seat; 10. a tapered roller bearing; 11. a large belt pulley; 12. a small belt pulley; 13. a motor; 14. a base; 15. channel steel; 16. a lower housing; 17. screening a screen; 18. and (4) a feed opening.

Detailed Description

The present invention will be further described with reference to the following examples.

The drying and stirring machine for the vertical mill shown in figure 1 is characterized in that: the device comprises a rotary joint 1, a first bearing seat 2, a deep groove ball bearing 3, a sealing end cover 4, a lip seal 5, a feed inlet 6, an upper shell 7, a rotary shaft device 8, a second bearing seat 9, a tapered roller bearing 10, a large belt wheel 11, a small belt wheel 12, a motor 13, a base 14, channel steel 15, a lower shell 16, a screen 17 and a feed outlet 18; two bases 14 directly be equipped with a channel-section steel 15 and connect fixedly, motor 13 pass through bolt and base 14 fixed mounting.

The bearing seat I2 and the bearing seat II 9 are respectively connected with the base 14 through bolts, and the rotating shaft device 8 is respectively fixedly installed with the bearing seat I2 and the bearing seat II 9 through the deep groove ball bearing 3 and the tapered roller bearing 10;

one end of the rotating shaft device 8 is provided with a rotating joint 1, and the large belt wheel 11 is connected with the other end of the rotating shaft device 8 through a key;

the large belt wheel 11 is connected with the small belt wheel 12 through a belt, so that continuous transmission is realized;

a lip seal 5 is adopted between the sealing end cover 4 and the rotating shaft device 8;

the sealing end cover 4 is fixedly connected with an upper shell 7 through a bolt, and the upper shell 7 is provided with a feeding hole 6;

the upper shell 7 is fixedly connected with the lower shell 16 through flanges, and a rubber sealing ring is adopted between the two flanges;

the screen 17 is fixedly installed with the lower shell 16 through a plurality of groups of bolts, and the feed opening 18 is fixedly installed on the side surface of the base 14 through bolts;

the blade-free air-purifying device further comprises a rotating shaft 801, rib plates 802, a hollow shaft 803, blades 804 and a filter screen 805, wherein the hollow shaft 803 is installed and fixed on the rotating shaft 801 in a trisection mode according to the circumference, a plurality of rib plates 802 are arranged for reinforcing and fixing, the hollow shaft 803 is provided with air holes, the filter screen 805 is arranged for preventing dust from entering the hollow shaft 803, and the blades 804 are installed and fixed on the hollow shaft 803 through bolts.

From the perspective of energy, the electric energy of the motor 13 is converted into the kinetic energy of the rotating shaft device 8, when the heat energy and the kinetic energy act together, and the energy exceeds the internal energy of the material, the material is further crushed, and more small materials are formed; from the mechanical perspective, under the action of the rotating shaft device 8, the material generates external forces such as pressure, shearing force, impact force, grinding force and the like between the blades 804 and the screen 17, and when the external forces can overcome the cohesive force among the particles inside, the crushing process of the material is realized.

The moisture requirement of the materials to be ground in the vertical mill is less than 10%, the materials are prone to caking due to excessive moisture, the materials are not beneficial to grinding operation, the particles of the materials to be ground are required to be not more than 40mm, the particles are too large, strong impact is generated, the operation of the vertical mill is prone to being unstable, and abrasion of a roller sleeve of the grinding roller can be aggravated. The material enters into rotatory under-deck through feed inlet 6, hot-blast rotary joint 1 that passes through, along rotation axis 801, come out from hollow shaft 803 opening part at last, the homogeneity of stoving is realized to blade 804 evenly arranged, motor 13 passes through belt drive, realize the rotation of rotation axis 801, begin to stir the material between screen cloth 17 and blade 804, not only can realize the effect of intensive mixing material, can also realize the effect of smashing large granule material, under the selection of screen cloth 17, carry the vertical mill to qualified material and carry out the grinding work.

TABLE 1 shows the parameters of the grinding material

Grinding material requirement parameters	Material proportioning	Particle size (mm)	Moisture content
				Results	Proportioning according to actual demand	Not more than 40mm	≤10%

Table 2 shows the technological parameters of the drying and stirring machine of the present invention

Drying and stirring parameters	Temperature of hot air	Air quantity	Rotational speed of rotating shaft	Maximum allowable moisture	Allowable particle size
						Results	100℃～200℃	100-200m3/h	300r/min	Not more than 50%	Not more than 80mm

The technical effects of the invention are shown in tables 1 and 2, the control of moisture is closely related to the air temperature and the air volume, the air temperature cannot exceed 250 ℃, otherwise, the rotary joint is easy to damage, meanwhile, the moisture entering the drying and stirring machine is not easy to be too large, otherwise, the crushing effect is not good, the material entering the drying and stirring machine is not easy to be too large, the material is easy to cause material blockage, and the blade abrasion is also aggravated.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. The specific implementation of the present invention is not limited by the above-mentioned manner, and it is within the protection scope of the present invention to adopt various insubstantial modifications of the method concept and technical scheme of the present invention, or to directly apply the concept and technical scheme of the present invention to other occasions without modification.