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Multi-stage internal circulation system for realizing grinding of semi-finished powder

A circulation system and grinding technology, applied in the direction of solid separation, filter screen, grid, etc., can solve the problem that the grinding system does not have the function of multi-stage separation and powder selection

Inactive Publication Date: 2022-01-28
JIANGSU JIDA POWDER ENG DESIGN & RES INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a multi-stage internal circulation system for semi-finished powder grinding to solve the problem in the above-mentioned background technology: the existing grinding system does not have the function of multi-stage separation and powder selection, and only simple one-time separation of finished products ( Powder with qualified particle size) and technical issues of non-finished products (powder with qualified particle size)

Method used

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  • Multi-stage internal circulation system for realizing grinding of semi-finished powder
  • Multi-stage internal circulation system for realizing grinding of semi-finished powder
  • Multi-stage internal circulation system for realizing grinding of semi-finished powder

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] Embodiments of the present invention provide a multi-stage internal circulation system for semi-finished powder grinding, such as figure 1 As shown, the first screening module 1 and the second screening module 2 are included, and the three discharge ends of the first screening module 1 are connected with the finished product storage module 3, the roller press module 5, and the cement mill module 4 respectively, and the rollers The discharge end of the press module 5 is connected to the feed end of the first screening module 1; the discharge end of the cement mill module 4 is connected to the feed end of the second screening module 2, the two of the second screening module 2 The discharge end communicates with the feed end of the cement mill module 4 and the feed end of the finished product storage module 3 .

[0048] Wherein, preferably, the feed end of the roller press module 5 is connected to the feeding module 6, and the three discharge ends of the first screening mo...

Embodiment 2

[0054] On the basis of above-mentioned embodiment 1, as Figure 2-3 As shown, the powder separator 112, the powder separator 112 includes: a body shell 113, the upper end of the body shell 113 is fixedly provided with a drive device 114, the bottom of the body shell 113 is set as a funnel, and the lower end of the body shell 113 is set There is a coarse powder discharge end 104.

[0055] Wherein, preferably, the upper surface of the body shell 113 is provided with a material inlet 101, the lower end of the material inlet 101 is connected to the material inlet chamber 117, and the lower end of the material inlet chamber 117 is connected to the rectifier rotor 105;

[0056] Drive the rotating shaft 120, the driving rotating shaft 120 is vertically arranged at the center of the body casing 113, and the upper end of the driving rotating shaft 120 extends out of the body casing 113;

[0057] Sleeve 119, the sleeve 119 is rotatably sleeved on the drive shaft 120, the upper end of t...

Embodiment 3

[0071] On the basis of Example 1, such as Figure 4-6 As shown, the multi-stage internal circulation system for semi-final powder grinding also includes a detection device 7, which is detachably arranged at the final powder discharge end 102 or at the feeding module 6 outlet, and the detection device 7 is provided with a first outlet 701 and a second outlet 702; when it is set at the final powder discharge end 102, the first outlet 701 communicates with the cement mill module 4, and the second outlet 702 communicates with the finished product inlet. The library module 3 is connected; when it is set at the outlet of the feeding module 6, the first outlet 701 is connected with the roller press module 5, and the second outlet 702 is connected with the first screening module 1;

[0072] Wherein, preferably, the detection device 7 includes a device housing 703, the upper end of the device housing 703 is provided with an opening 733, and the opening 733 communicates with the final p...

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Abstract

The invention provides a multi-stage internal circulation system for realizing grinding of semi-finished powder, which comprises a first screening module and a second screening module, wherein three discharging ends of the first screening module are respectively communicated with a finished product warehousing module, a roller press module and a cement grinding mill module, and the discharging end of the roller press module is communicated with the feeding end of the first screening module; and the discharging end of the cement grinding module is communicated with the feeding end of the second screening module, and the two discharging ends of the second screening module are communicated with the feeding end of the cement grinding module and the feeding end of the finished product warehousing module. According to the invention, through combination of various modules, the technical problems that an existing powder grinding system does not have the multi-stage separation powder separation function, and finished products (powder with qualified particle sizes) and non-finished products (powder with qualified particle sizes) are simply separated at a time are effectively solved.

Description

technical field [0001] The invention relates to the technical field of cement production, in particular to a multi-stage internal circulation system for realizing the grinding of semi-finished powder. Background technique [0002] my country is a big country in cement production, and the cement grinding technology directly affects the revitalization and development of the cement industry. The power consumption of grinding accounts for 65%-75% of the total power consumption of cement production, and the cost of grinding accounts for about 35% of the total cost of cement production. In today's increasingly tense energy environment, reducing cement power consumption is the development direction of cement enterprises. [0003] There are a variety of grinding systems with different specifications and structures on the market, and the structures included have their own differences. Relevant documents also disclose the structure and characteristics of various powder classifiers, bu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B02C21/00B02C23/12B02C23/14B07B1/08
CPCB02C21/00B02C23/12B02C23/14B07B1/08
Inventor 朱顺明朱潇敏
Owner JIANGSU JIDA POWDER ENG DESIGN & RES INST CO LTD
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