CN220277613U

CN220277613U - Cement raw material roller press grinding system

Info

Publication number: CN220277613U
Application number: CN202321482164.3U
Authority: CN
Inventors: 郑德彦; 秦金平; 赵志浩; 李山松; 柯翠翠; 刘荆; 刘文思
Original assignee: Hubei Jinglan Cement Group Co ltd
Current assignee: Hubei Jinglan Cement Group Co ltd
Priority date: 2023-06-09
Filing date: 2023-06-09
Publication date: 2024-01-02
Anticipated expiration: 2033-06-09

Abstract

The utility model discloses a grinding system of a cement raw material roller press, which comprises a raw material distribution belt conveyor, wherein a discharge hole of the raw material distribution belt conveyor is respectively communicated with a V-shaped powder selecting machine and a steady flow bin belt conveyor through a three-way valve, the V-shaped powder selecting machine comprises a fine material outlet and a coarse material outlet, the discharge hole of the steady flow bin belt conveyor is provided with a steady flow bin, and a circulating elevator is arranged between a top inlet of the steady flow bin and the coarse material outlet of the V-shaped powder selecting machine. The utility model relates to the technical field of cement production, in particular to a grinding system of a cement raw material roller press, which has two feeding modes of raw material V selection and stable flow bin feeding, can be flexibly converted, does not need to feed new raw materials V selection, does not need to feed roller lifting machine, reduces lifting amount of the lifting machine by 450-550 t/h, reduces load by about 20-25%, and reduces power consumption by about 80-100 kwh/h.

Description

Cement raw material roller press grinding system

Technical Field

The utility model relates to the technical field of cement production, in particular to a grinding system of a cement raw material roller press.

Background

The existing cement raw material roller press grinding system adopts a mixed feeding system, namely raw materials prepared from a batching station are mixed with materials of a roller press, and the raw materials are sent into a V-shaped powder selecting machine together for primary selection and drying.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a grinding system of a cement raw material roller press, which solves the problems of high load and rapid abrasion of the existing cement raw material grinding system.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a cement raw materials roll squeezer grinding system, includes the raw materials delivery belt feeder, the discharge gate of raw materials delivery belt feeder is through a three way valve intercommunication respectively has V type selection powder machine and stationary flow storehouse belt feeder, and V type selection powder machine includes fine material export and coarse fodder export, and the discharge gate of stationary flow storehouse belt feeder is provided with stationary flow storehouse, is provided with the circulation lifting machine between the top entry in stationary flow storehouse and the coarse fodder export of V type selection powder machine.

The outlet of the steady flow bin is provided with a raw material roller press, the outlet of the raw material roller press is provided with a roller outlet lifter, and the outlet of the roller outlet lifter is communicated with the inlet of the V-shaped powder concentrator.

The fine material outlet of the V-shaped powder concentrator is communicated with a dynamic powder concentrator, the dynamic powder concentrator comprises a fine material outlet and a coarse material outlet, and the fine material outlet of the dynamic powder concentrator is communicated with a cyclone dust collector;

the discharge hole of the cyclone dust collector is provided with an air conveying chute.

As a further preferable mode, the coarse material outlet of the dynamic powder concentrator is respectively communicated with the steady flow bin belt conveyor and the V-shaped powder concentrator.

As a further preferable mode, the cyclone dust collector is provided with a circulating fan and a kiln tail dust collector, and the kiln tail dust collector is provided with a tail gas exhaust fan.

As a further preferable mode, the steady flow bin belt conveyor is provided with an iron remover.

(III) beneficial effects

The utility model provides a grinding system of a cement raw material roller press. The beneficial effects are as follows:

1. the feeding method has two feeding modes of feeding raw materials into V-selecting and feeding raw materials into a steady flow bin, and can be flexibly converted.

2. When the raw materials are selected to be directly connected into the steady flow bin scheme, the method has the following advantages:

1) The new raw materials are not selected by V, and the roller feeding elevator is not needed, so that the elevator lifting amount is reduced by 450-550 t/h, the load is reduced by about 20-25%, and the power consumption is reduced by about 80-100 kwh/h.

2) The total amount of the materials subjected to V selection is greatly reduced, so that the extruded materials in V selection are easier to break up, the proportion of the materials to wind is greatly changed, the air quantity for sorting the materials is more sufficient, the sorting efficiency is higher, and the yield is improved;

3) The new material is mainly large-particle material, and the V selection is used for washing the scattering plate greatly, so that the using amount of the scattering plate and the labor for replacing the scattering plate are greatly reduced after the V selection is not needed.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model.

In the figure: 1. a circulating elevator; 2. v-shaped powder selecting machine; 3. a raw material distribution belt conveyor; 4. dynamic powder selecting machine; 5. a steady flow bin belt conveyor; 6. a steady flow bin; 7. a cyclone dust collector; 8. a circulating fan; 9. a tail gas exhaust fan; 10. a kiln tail dust collector; 11. an air delivery chute; 12. a roller outlet lifter; 13. a raw material roll press; 14. an iron remover.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1, the present utility model provides a technical solution: the utility model provides a cement raw meal roll squeezer grinding system, includes raw meal delivery belt feeder 3, the discharge gate of raw meal delivery belt feeder 3 is through a three way valve intercommunication respectively has V type selection powder machine 2 and stationary flow storehouse belt feeder 5, is provided with iron remover 14 on the stationary flow storehouse belt feeder 5, removes iron to the raw meal through iron remover 14.

The V-shaped powder concentrator 2 comprises a fine material outlet and a coarse material outlet, a steady flow bin 6 is arranged at a discharge hole of a steady flow bin belt conveyor 5, and a circulating lifter 1 is arranged between a top inlet of the steady flow bin 6 and the coarse material outlet of the V-shaped powder concentrator 2.

The bottom outlet of the steady flow bin 6 is provided with a raw material roller press 13, the outlet of the raw material roller press 13 is provided with a roller lifting machine 12, and the outlet of the roller lifting machine 12 is communicated with the inlet of the V-shaped powder concentrator 2.

The fine material outlet of the V-shaped powder concentrator 2 is communicated with a dynamic powder concentrator 4, the dynamic powder concentrator 4 comprises a fine material outlet and a coarse material outlet, the fine material outlet of the dynamic powder concentrator 4 is communicated with a cyclone dust collector 7, and the coarse material outlet of the dynamic powder concentrator 4 is respectively communicated with a steady flow bin belt conveyor 5 and the V-shaped powder concentrator 2;

the discharge port of the cyclone dust collector 7 is provided with an air conveying chute 11, the cyclone dust collector 7 is provided with a circulating fan 8 and a kiln tail dust collector 10, the kiln tail dust collector 10 is provided with a tail gas exhaust fan 9, and the tail gas exhaust fan 9 is used for exhausting tail gas.

It should be noted that, the V-shaped powder concentrator 2, the dynamic powder concentrator 4, the cyclone dust collector 7, the raw material roller press 13 and the like related in the scheme are all from own equipment of the company, and belong to the prior art, and are not described in detail.

And all that is not described in detail in this specification is well known to those skilled in the art.

When the device is used, raw materials from a batching station are conveyed and fed through the raw material distribution belt conveyor 3, two output options exist at the outlet of the raw materials, and the raw materials can be selectively fed into the V-shaped powder concentrator 2 or fed into the steady flow bin belt conveyor 5 according to field requirements.

Raw materials entering the V-shaped powder concentrator 2 are subjected to primary screening, fine materials are directly conveyed into the dynamic powder concentrator 4, and coarse materials are conveyed into the steady flow bin 6 through the circulating lifter 1.

Raw materials entering the steady flow bin belt conveyor 5 are conveyed into the steady flow bin 6, the raw materials entering the steady flow bin 6 subsequently enter a raw material roller press 13 for crushing, the crushed raw materials enter the V-shaped powder selector 2 through a roller outlet lifter 12, and then the V-shaped powder selector 2 performs primary screening and sequentially circulates.

The fine materials entering the dynamic powder concentrator 4 are required to be subjected to secondary screening, the fine materials are conveyed into the cyclone dust collector 7, after dust removal, the final finished product materials are output through the air conveying chute 11, and the coarser materials in the dynamic powder concentrator 4 are returned into the V-shaped powder concentrator 2 or enter the steady flow bin belt conveyor 5, are subjected to primary screening and are crushed, and finally enter the dynamic powder concentrator 4 until the fine and fine materials are formed.

It should be noted that, the electrical components appearing in this document are all electrically connected to the external master controller and 220V or 380V mains supply, and the master controller may be a conventional known device for controlling a computer, etc., and the control principle, the internal structure, the control switching manner, etc. of the master controller are all conventional means in the prior art, and are directly cited herein, which are not repeated herein, and relational terms such as first and second, etc. are used solely to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A grinding system of a cement raw material roller press is characterized in that: the device comprises a raw material distribution belt conveyor (3), wherein a discharge hole of the raw material distribution belt conveyor (3) is respectively communicated with a V-shaped powder concentrator (2) and a steady flow bin belt conveyor (5) through a three-way valve, the V-shaped powder concentrator (2) comprises a fine material outlet and a coarse material outlet, the discharge hole of the steady flow bin belt conveyor (5) is provided with a steady flow bin (6), and a circulating lifting machine (1) is arranged between a top inlet of the steady flow bin (6) and the coarse material outlet of the V-shaped powder concentrator (2);

a raw material roller press (13) is arranged at the bottom outlet of the steady flow bin (6), a roller outlet lifter (12) is arranged at the outlet of the raw material roller press (13), and the outlet of the roller outlet lifter (12) is communicated with the inlet of the V-shaped powder selecting machine (2);

the fine material outlet of the V-shaped powder concentrator (2) is communicated with a dynamic powder concentrator (4), the dynamic powder concentrator (4) comprises a fine material outlet and a coarse material outlet, and the fine material outlet of the dynamic powder concentrator (4) is communicated with a cyclone dust collector (7);

the discharge hole of the cyclone dust collector (7) is provided with an air conveying chute (11).

2. A cement raw meal roller mill grinding system according to claim 1, characterized in that: the coarse material outlet of the dynamic powder concentrator (4) is respectively communicated with the steady flow bin belt conveyor (5) and the V-shaped powder concentrator (2).

3. A cement raw meal roller mill grinding system according to claim 1, characterized in that: the cyclone dust collector (7) is provided with a circulating fan (8) and a kiln tail dust collector (10), and the kiln tail dust collector (10) is provided with a tail gas exhaust fan (9).

4. A cement raw meal roller mill grinding system according to claim 1, characterized in that: the steady flow bin belt conveyor (5) is provided with an iron remover (14).