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Novel UHPC (Ultra High Performance Concrete) partition plate

An ultra-high-strength concrete technology, applied in sustainable waste treatment, solid waste management, climate sustainability, etc., can solve problems such as partition leaks, cover plate displacement, and center plate detachment, and improve the degree of cross-linking of the system , Fast curing speed and high stability

Active Publication Date: 2021-05-07
JIANGXI LONGZHENG SCI & TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The partition plate in the prior art generally forms a partition after fixing a plurality of grate plates around a central plate at the working position to separate the grinding body. When multiple grate plates are fixed around the central plate, the gap between adjacent grate plates The gaps are spliced ​​together, and when the ball mill is working, the grinding body collides with the partition plate. After a long time of use, gaps are prone to appear at the joints of adjacent grate plates. Once a gap occurs, it is easy to cause gaps between adjacent cover plates. In the case of displacement due to external force, a crack will appear if the displacement is large, which will affect the normal use of the partition. The force is fixed at the center of the partition. When the grinding body collides with the partition, the center plate is easily separated from the center of the partition, causing holes on the partition and affecting the normal use of the ball mill.

Method used

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  • Novel UHPC (Ultra High Performance Concrete) partition plate
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  • Novel UHPC (Ultra High Performance Concrete) partition plate

Examples

Experimental program
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Effect test

Embodiment 1

[0031] Such as Figure 1-4 As shown, the novel ultra-high-strength concrete UHPC compartment plate provided by the present invention includes six grate plates 1 and a central plate 11, and the six grate plates 1 are spliced ​​into a 360-degree circular plate around the central plate 11, and each grate plate There are two second through-holes 2 on the plate 1, and the grate plate 1 is fixed in the working position by driving nails into the second through-holes 2, and each grate plate 1 is provided with a number of first filter grooves 111, the central plate 11 is provided with a number of second filter tanks 112, and the grinding body that has been roughly ground in the first warehouse of the ball mill enters the second warehouse through the first filter tank 111 and the second filter tank 112, and each grate plate One end of 1 is fixedly connected with a clamping plate 12, the surface of one side of the clamping plate 12 is curved, and the other side of each grate plate 1 is p...

Embodiment 2-1

[0050] The preparation method of grate plate or center plate, the steps are as follows:

[0051] (1) Add 100 parts of Portland cement, 50 parts of fly ash, 3 parts of expansion agent, 10 parts of silica fume, 60 parts of quartz sand, 30 parts of steel fiber, and 60 parts of aggregate into the mixer at 200r / min After fully mixing for 100 seconds, Mixture 1 was obtained;

[0052] (2) Add 3 parts of water reducer to 30 parts of water, and mix well to obtain Mixture 2;

[0053] (3) Add 1 part of amino-containing polybenzimidazole into 5 parts of dimethyl sulfoxide, and after fully dissolving, mixture 3 is obtained;

[0054] (4) Add 1 part of sulfonated polyphenylene and 1 part of KH-560 into 10 parts of ethanol, and mix thoroughly to obtain Mixture 4;

[0055] (5) After fully mixing the above-mentioned mixtures 1, 2, 3 and 4 at 200r / min at 50°C for 150 seconds, the ultra-high performance concrete is obtained;

[0056] (6) After the ultra-high-performance concrete is molded, for...

Embodiment 2-2

[0058] The preparation method of grate plate or center plate, the steps are as follows:

[0059] (1) Add 100 parts of Portland cement, 54 parts of fly ash, 7 parts of expansion agent, 13 parts of silica fume, 77 parts of quartz sand, 35 parts of steel fiber, and 78 parts of aggregate into the mixer at 200r / min After fully mixing for 100 seconds, Mixture 1 was obtained;

[0060] (2) Add 6 parts of water reducer to 65 parts of water, and mix well to obtain Mixture 2;

[0061] (3) Add 3 parts of amino-containing polybenzimidazole into 8 parts of dimethyl sulfoxide, and after fully dissolving, mixture 3 is obtained;

[0062] (4) Add 3 parts of sulfonated polyphenylene and 4 parts of KH-560 into 12 parts of ethanol, and mix thoroughly to obtain Mixture 4;

[0063] (5) After fully mixing the above-mentioned mixtures 1, 2, 3 and 4 at 200r / min at 50°C for 150 seconds, the ultra-high performance concrete is obtained;

[0064] (6) After the ultra-high-performance concrete is molded, ...

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Abstract

The invention discloses a novel UHPC (Ultra High Performance Concrete) partition plate, comprising six grid plates and a center plate. The six grid plates are spliced into a 360-degree circular plate around the center plate; each grid plate is provided with a plurality of first filter grooves; the center plate is provided with a plurality of second filter grooves; and one end of each grid plate is fixedly connected with a clamping plate. The novel UHPC partition plate has the advantages that in the working process of the novel UHPC partition plate, every two adjacent grid plates are stably connected, gaps are not prone to occurring at the connecting positions of the grid plates, and the situation that after gaps are generated between the adjacent grid plates, cracks are generated due to external force, and consequently use of the partition plate is affected is avoided; meanwhile, in the working process of the partition plate, the stability of connection between the center plate and the grid plates is high; and when a ball mill works and a grinding body collides with the partition plate, the center plate is not prone to being separated from the partition plate, and the situation that normal use of the ball mill is affected due to leakage holes in the partition plate is avoided.

Description

technical field [0001] The invention relates to the technical field of ball mill accessories, in particular to a novel ultra-high-strength concrete UHPC compartment board. Background technique [0002] Ball mill is the key equipment for crushing materials after being crushed. It is widely used in cement, silicate products, new building materials, refractory materials, chemical fertilizers, black and non-ferrous metal beneficiation, glass ceramics and other production industries. Dry or wet grinding with other grindable materials. After the materials are coarsely ground in the first chamber of the ball mill, they enter the second chamber through the partition board. The chamber is inlaid with a flat liner and contains steel balls. The material is further ground, and the powder is discharged through the discharge grate plate to complete the grinding operation. The partition plate in the prior art generally forms a partition after fixing a plurality of grate plates around a ce...

Claims

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Application Information

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IPC IPC(8): B02C17/18C04B28/04
CPCB02C17/18C04B28/04C04B2201/50C04B2201/52C04B18/08C04B18/146C04B14/06C04B14/48C04B14/02C04B24/20C04B24/12C04B24/026C04B24/00C04B24/2623C04B2103/0068C04B2103/302Y02W30/91
Inventor 容七英容月新王江来唐晓辉蔡志强
Owner JIANGXI LONGZHENG SCI & TECH DEV
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