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Stirring system

A mixing system and mixing tank technology, which is applied to cement mixing devices, clay preparation devices, chemical instruments and methods, etc., can solve problems such as poor water supply and centrifugal pump impeller blockage, and achieve high work efficiency, delicate structure, and easy maintenance. convenient effect

Active Publication Date: 2016-11-09
HUAINAN MINING IND GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a stirring system to solve the above-mentioned problems in order to solve the defects of centrifugal pump impeller blockage and poor water supply in the prior art.

Method used

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Embodiment Construction

[0025] In order to have a further understanding and understanding of the structural features of the present invention and the achieved effects, the preferred embodiments and accompanying drawings are used for a detailed description, as follows:

[0026] An automatic pulping system includes a primary stirring device and a secondary stirring device (not shown in the figure); the primary stirring device and the secondary stirring device are connected through a pipeline 1 .

[0027] A first-stage mixing device, including a mixing bucket 2; the mixing bucket 2 is divided into a lower ash area 21, a convection mixing area 22, and an upper water area 23 from top to bottom in the height direction; the top of the lower ash area 21 has a lower ash port 211; The mixing zone 22 has a slurry outlet 221; the upper water zone 23 has a water inlet 231; in the mixing tank 2, there are multiple sets of stirring fins, and the rotating shafts of the multiple sets of stirring fins are coaxial. Amo...

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Abstract

The invention provides a stirring system which comprises a primary stirring device, wherein the primary stirring device comprises a stirring barrel; the stirring barrel is divided into a cement feeding region, a convective mixing region and a water supply region from top to bottom in sequence in a height direction; a cement feeding opening is formed in the top of the cement feeding region; a slurry outlet is formed in the convective mixing region; a water inlet is formed in the water supply region; the water inlet is located on the side wall of the lower end of the stirring barrel; a plurality of groups of stirring fins are arranged in the stirring barrel; rotating shafts of the groups of stirring fins are coaxial; the uppermost group of stirring fins are right-handed spiral fins; the other groups of stirring fins are left-handed spiral fins; the right-handed spiral fins are located in the cement feeding region; and the left-handed spiral fins are located in the water supply region. Compared with the prior art, through the design of the right-handed spiral fins and the left-handed spiral fins in the stirring barrel, the convective mixing region is formed between the right-handed spiral fins and the left-handed spiral fins, and during a rotating process, the right-handed spiral fins accelerate sinking of cement, and the left-handed spiral fins accelerate rising of water, so that deposition of large particles is reduced and a strong convective mixing region is formed near the slurry outlet.

Description

technical field [0001] The invention relates to the technical field of mining grouting, in particular to a stirring system for making cement slurry. Background technique [0002] The supporting first-stage mixing is mainly for grouting projects with small flow, low specific gravity and short grouting duration. [0003] When the proportion of the slurry reaches 1.24 (water-cement ratio 2.5:1) in the pulping process, there will be problems such as blockage of the first-level "stirring tank", flooding of ash and uneven mixing, which cannot meet the requirements of the project on the proportion of slurry ; In addition, problems such as centrifugal pump impeller blockage and poor water supply appear after long-term continuous injection of low specific gravity grout, which cannot meet the requirements of continuous high-strength grouting. Contents of the invention [0004] The object of the present invention is to provide a stirring system to solve the defects of centrifugal pu...

Claims

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Application Information

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IPC IPC(8): B28C5/00
CPCB28C5/006
Inventor 李友俊程志忠石德洲苏明金
Owner HUAINAN MINING IND GRP
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