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Method for producing briquetting and pressed granular material and its appliance

A technology for granular materials and building materials, applied in chemical instruments and methods, fibrous fillers, building insulation materials, etc., can solve problems such as unsatisfactory transportation of granular materials

Inactive Publication Date: 2005-02-02
LANXESS DEUTDCHLAND GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The granular material thus obtained is not satisfactorily conveyed by wind power equipment: during conveying, a large amount of dust is formed, which is not ideal

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0075] 500 g of Corasol C30 carbon black (a Degussa trade product) and 500 g of Monarch 800 carbon black (a Cabot Corp. trade product) were each mixed in a mixer with varying amounts of ammonium lignosulfonate and V 100 motor oil for 18 minutes. The mixture was compacted with different linear pressures in a WP50N compactor (Alexanderwerk, Remscheid) and then comminuted in an RFG fine mill (Alexanderwerk, Remscheid) with a sieve with a mesh opening of 1.5 mm. The pulverized product was divided into two portions with a sieve having a mesh opening of 250 µm. Parts larger than 250 μm are tested, and the surface quality does not flow, or only flows after removing the plug, then it is considered to have poor fluidity.

[0076] Fines (due to oversized sieve openings) were determined with an air-jet sieve type Alpine 200 LS according to DIN 4188 with a VA sieve with a sieve opening of 80 μm. A 20 g sample was used for the test. The fine material is removed by suction for 5 minutes a...

Embodiment 2

[0085] 500 g of Corasol C30 carbon black (a Degussa trade product) were mixed in a mixer with 8% ammonium lignosulfonate and 1% V 100 motor oil for 18 minutes. The mixture was compacted at a linear pressure of 7 KN / cm in a compactor WP50N (manufactured by Alexanderwerk, Remscheid) and then pulverized in an RFG fine crusher (manufactured by Alexanderwerk, Remscheid) with a sieve with a mesh size of 1.5 mm.

[0086] A part of the pulverized product was divided into two with a sieve having a mesh opening of 250 µm. Fractions larger than 250 [mu]m (60% of the amount) were tested and showed good flowability (corresponding powders have poorer flowability).

[0087] Another part of the pulverized product (about 150 g, including a certain amount of fine particles) was granulated for 5 minutes at a speed of 60 rpm in a roller with a diameter of 15 cm. The fine particles were all granulated into larger particles, and the product also exhibited granulated fluidity and satisfactory dispe...

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Abstract

The present invention relates to a process for producing briquetted and pressed granular material and the use thereof for coloring building materials, such as concrete and asphalt, and organic media, such as paint systems, plastics and colored pastes.

Description

[0001] This application is a divisional application of a Chinese patent application with an application date of April 18, 1997, an application number of CN 97111205.3, and an invention title of "Method for Producing Briquetting and Compressed Granular Materials and Its Application". field of invention [0002] The present invention relates to a process for producing briquettes and pressed granular materials and their use for coloring construction materials such as concrete and asphalt, and organic media such as paints, plastics and color pastes. Background technique [0003] In order to achieve an optimal color effect, the production of pigment granules requires that the pigments be ground into elementary particles. The powder thus formed generates a large amount of dust which, due to its finely dispersed state, tends to stick and stick to the dosing equipment. Therefore, for toxic and harmful substances, protective measures must be taken during the production process to avo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08J3/12B01J2/22B01J2/28B29B9/08C04B14/02C04B18/02C04B103/54C08J3/20C08K3/22C08K9/02C08K9/04C08K9/08C08L95/00C08L101/00C09C1/24C09C1/34C09C1/36C09C1/56C09C1/58C09C1/60C09C3/00C09C3/04C09C3/06C09C3/10C09D7/61C09D17/00
CPCC08K3/04C01P2004/51C09C3/045C09D7/1275C01P2006/20C09C1/24C01P2006/82C01P2004/84C09C1/3638C09C1/60C09C1/346C09C3/046C08K9/08C04B18/028C01P2004/50C01P2006/60C04B2103/54C09C1/34C09D7/1216C04B18/022C01P2006/11C01P2004/61C09D17/005C08K3/22C09C1/58C08L95/00C01P2006/10C09D17/004C04B18/02C01P2004/60C09D7/61C09D7/68C04B14/022C04B20/0076C04B20/026C04B20/10C04B14/30C04B20/008C08L2666/72
Inventor G·林德O·施密特·帕克M·艾特尔L·斯提尔林
Owner LANXESS DEUTDCHLAND GMBH
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