CN217341569U

CN217341569U - Raw material granularity homogenization equipment for roller press grinding system

Info

Publication number: CN217341569U
Application number: CN202220723254.6U
Authority: CN
Inventors: 宋思远; 陈代彦; 杨铁燕
Original assignee: Cnbm Hefei Powder Technology Equipment Co ltd; Hefei Cement Research and Design Institute Co Ltd
Current assignee: Cnbm Hefei Powder Technology Equipment Co ltd; Hefei Cement Research and Design Institute Co Ltd
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-09-02
Anticipated expiration: 2032-03-30

Abstract

A raw material granularity homogenizing device for a roller press grinding system comprises: the roller press comprises a roller press body, wherein a plurality of screening roller shafts are sequentially arranged above the roller press body in an array manner, and at least two crushing roller shafts are arranged at the tail ends of the screening roller shafts in an array manner; the first conveying belt is positioned above one end of the roller press body far away from the crushing roller shaft and is used for conveying raw materials with non-homogenized grain sizes; the second conveying belt is located right below the roller press body and is used for receiving homogenized raw materials ground by the screening roller shaft and the crushing roller shaft; wherein the rotation directions of two adjacent crushing roller shafts are opposite. The utility model discloses arrange screening roller and broken roller in same horizontal plane array for the large granule material can realize synchronous breakage through broken roller, has still guaranteed the stability of structure simultaneously, has promoted the result of use.

Description

Raw material granularity homogenization equipment for roller press grinding system

Technical Field

The utility model relates to a material grinding technical field specifically is a roll squeezer is raw materials granularity homogenization equipment for grinding system.

Background

With the development of the roller press technology, the roller press becomes one of necessary equipment in a cement grinding system, and long-term practices of different manufacturers and roller presses with different specifications prove that the main problem of disturbing the stable operation of the roller press is that a small amount of large-particle materials are mixed in fresh supplied materials. Meanwhile, a small amount of large particles can cause the segregation of materials in a steady-flow weighing bin of the roller press, so that the problem of the eccentric roller of the roller press is caused, namely when the roller press extrudes the materials, because material particles are unevenly distributed along the width direction of the roller, the roller gaps on the left side and the right side of the roller press are inconsistent, and a movable shaft system and a fixed shaft system form a certain included angle. When the roll deviation is serious, the operation and the extrusion effect of roll squeezer equipment are seriously influenced, such as uneven wear of roll surfaces, oil leakage of hydraulic cylinders, hydraulic system faults, deformation of torque plates and the like. Therefore, how to remove the large materials in the fresh incoming materials and crush and recycle the large materials is a problem to be solved in the existing cement mill system, and the extrusion effect of the roller press is ensured, and the stability of the system is improved.

The prior art has the following defects: at present, a sieve plate is added in an incoming material chute for removing large materials in a cement mill system, large particles are directly sieved off and enter a raw material piling shed, and small materials under the sieve enter a steady flow weighing bin. However, this process solution has two drawbacks:

1. the sieve plate is worn quickly, the wear period of the composite steel plate is about ten days, the maintenance efficiency period is frequent, and the replacement cost is high;

2. because the proportion of large-particle materials in the raw materials is random, the proportion of the raw materials is unstable after large particles on a screen are removed, the product quality fluctuates, and because the proportion of large-particle materials in the raw materials is very small, if the raw materials are all directly fed into a crusher to ensure the feeding granularity of the raw materials, the specification of the crusher is increased, and the investment cost is increased; meanwhile, the crushing efficiency of the crusher is greatly reduced, the power consumption is increased, and the use cost is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a specifically be a roll squeezer is raw materials granularity homogenization equipment for grinding system to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a raw material granularity homogenizing device for a roller press grinding system comprises: the roller press comprises a roller press body, wherein a plurality of screening roller shafts are sequentially arranged above the roller press body in an array manner, and at least two crushing roller shafts are arranged at the tail ends of the screening roller shafts in an array manner; the first conveying belt is positioned above one end, far away from the crushing roller shaft, of the roller press body and is used for conveying raw materials with non-homogenized granularity; the second conveying belt is located right below the roller press body and is used for receiving homogenized raw materials ground by the screening roller shaft and the crushing roller shaft; wherein the rotation directions of two adjacent crushing roller shafts are opposite.

The screening roller shafts and the crushing roller shafts are arranged in an array mode and are arranged on the same horizontal plane, and the upper end faces of the screening roller shafts and the crushing roller shafts are flush.

The crushing roller shaft close to the screening roller shaft is a first crushing roller shaft, the crushing roller shaft adjacent to the first crushing roller shaft is a second crushing roller shaft, the rotating direction of the first crushing roller shaft is the same as that of the screening roller shaft, and the rotating direction of the second crushing roller shaft is opposite to that of the first crushing roller shaft.

And a strip-shaped gap with a preset width is formed between every two adjacent crushing roller shafts.

According to the above technical scheme, the utility model discloses to sieve roller and broken roller arrange in same horizontal plane array for the large granule material can realize synchronous breakage through broken roller, has still guaranteed the stability of structure simultaneously, has promoted the result of use.

Drawings

Fig. 1 is a top view of the present invention;

fig. 2 is a side view of the present invention.

In the figure: 100 conveying belts I, 200 sieving roller shafts, 301 first crushing roller shafts, 310 first rotating shafts, 302 second crushing roller shafts, 3021 crushing teeth, 320 second rotating shafts, 400 gaps, 500 first driving part shells, 501 output shafts I, 502 output shafts II, 600 second driving part shells, 601 output shafts III, 602 chain wheels, 700 material particles, 800 roller press bodies, 900 conveying belts II, 901 conveying rotating shafts.

Detailed Description

To further clarify the objects, structures, features and functions of the present invention, a detailed description will be given below in conjunction with fig. 1-2 and the embodiments.

The raw material granularity homogenizing equipment for the roller press grinding system comprises a roller press body 800, a first transmission belt 100 and a second transmission belt 900, wherein the roller press body 800 is provided with a plurality of screening roller shafts 200 which are sequentially arrayed, and two crushing roller shafts including a first crushing roller shaft 301 and a second crushing roller shaft 302 are arrayed at the tail ends of the screening roller shafts 200; in this embodiment, the two crushing roller shafts and the plurality of screening roller shafts 200 are all arranged on the same horizontal plane, and the upper end surfaces thereof are flush; the first transmission belt 100 is positioned above one end of the roller press body 800 far away from the crushing roller shafts, the unhomogenized material particles are thrown from the first transmission belt 100 onto the screening roller shafts 200 and are crushed by the same rotation of the screening roller shafts 200, during the crushing and pressing process, a small amount of large particle materials continue to move forward along the tangential direction of the rotation of the screening roller shafts 200 and finally reach two crushing roller shafts, in the embodiment, the crushing roller shaft close to the screening roller shaft is a first crushing roller shaft 301, the crushing roller shaft adjacent to the first crushing roller shaft 301 is a second crushing roller shaft 302, the rotation direction of the first crushing roller shaft 301 is the same as that of the screening roller shafts 200, the rotation direction of the second crushing roller shaft 302 is opposite to that of the first crushing roller shaft 301, thus, after passing through the first crushing roller shaft 301, the large particle materials pass through a gap 400 formed between the first crushing roller shaft 301 and the second crushing roller shaft 302, and finishing the crushing of large-particle materials. It should be noted that an elongated gap 400 with a preset width is formed between two adjacent crushing roller shafts, and the width of the gap 400 can be adjusted by changing the relative positions of the crushing roller shafts, so as to ensure that the size of the particles discharged after being extruded from the gap 400 is matched with the size of the particles extruded by the screening roller shaft 200.

The adopted first crushing roller shaft 301 and the adopted second crushing roller shaft 302 can be rotated by adopting independent driving devices, generally, motors can be adopted, a first driving part shell 500 is arranged on one side of the roller press 800, two motors are installed in the first driving part shell, respective first output shafts 501 and second output shafts 502 of the first driving part shell are respectively and coaxially connected to the first crushing roller shaft 301 and the second crushing roller shaft 302, and the rotation of the first crushing roller shaft 301 and the second crushing roller shaft 302 is controlled by the opposite rotation of the two motors; crushing teeth 3021 for crushing the material are formed on the surfaces of the first and second crushing

roller shafts

301 and 302, and a gap 400 formed between the first and second crushing

roller shafts

301 and 302 is less than 200 mm.

The number of the screening roller shafts 200 is at least 2, the screening roller shafts 200 are transmitted through chain transmission or belt transmission, the distance between every two adjacent screening roller shafts 200 is smaller than 200mm, the screening granularity is ensured by adjusting the distance between the screening roller shafts 200, and the requirement of the feeding granularity of a roller press is met; in addition, the outer surface of the screening roller shaft 200 is provided with splines, triangles, waves or diamonds and the like, so that slipping between the screening roller shaft 200 and materials is avoided, and the transmission efficiency and the screening efficiency of the materials are ensured; meanwhile, the surface of the screening roller shaft 2 is subjected to wear-resistant treatment, so that the wear-resistant time of the roller surface can be prolonged. A motor is coaxially connected to one end of the sieving roller shaft 200 through a third output shaft 601, and the motor is located in the second driving part case 600.

And a second conveying belt 900 is arranged right below the roller press body 800, two ends of the second conveying belt 900 are provided with power output conveying rotating shafts 901, and the second conveying belt 900 is driven to convey materials towards a preset direction.

The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.

Claims

1. The utility model provides a raw materials granularity homogenization equipment for roll squeezer grinding system which characterized in that includes:

the roller press comprises a roller press body, wherein a plurality of screening roller shafts are sequentially arranged above the roller press body in an array manner, and at least two crushing roller shafts are arranged at the tail ends of the screening roller shafts in an array manner;

the first conveying belt is positioned above one end of the roller press body far away from the crushing roller shaft and is used for conveying raw materials with non-homogenized grain sizes;

the second conveying belt is located right below the roller press body and is used for receiving homogenized raw materials ground by the screening roller shaft and the crushing roller shaft;

wherein the rotation directions of two adjacent crushing roller shafts are opposite.

2. The raw material grain size homogenizing device for the roller press grinding system according to claim 1, characterized in that: the screening roller shafts and the crushing roller shafts are arranged in an array mode and are arranged on the same horizontal plane, and the upper end faces of the screening roller shafts and the crushing roller shafts are flush.

3. The raw material grain size homogenizing device for the roller press grinding system according to claim 1 or 2, characterized in that: the crushing roller shaft close to the screening roller shaft is a first crushing roller shaft, the crushing roller shaft adjacent to the first crushing roller shaft is a second crushing roller shaft, the rotating direction of the first crushing roller shaft is the same as that of the screening roller shaft, and the rotating direction of the second crushing roller shaft is opposite to that of the first crushing roller shaft.

4. The raw material grain size homogenizing device for the roller press grinding system according to claim 3, characterized in that: and a strip-shaped gap with a preset width is formed between every two adjacent crushing roller shafts.