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Production method of hollow glass beads high in floating rate

A technology of hollow glass microspheres and floating rate, which is applied in glass manufacturing equipment, glass molding, manufacturing tools, etc., can solve the problems of narrow application range, great environmental hazards, and single product of hollow glass microspheres, and achieve fluidity Good, wide selectivity, particle size distribution and controllable effect

Active Publication Date: 2019-12-20
SINOSTEEL MAANSHAN INST OF MINING RES +1
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, the preparation method uses SO 3 As a foaming agent, it is harmful to the environment and has safety risks, and the hollow glass microspheres prepared by this method are single, and the crushing strength of the hollow microspheres is 16-23MPa, and the application range is narrow

Method used

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Embodiment Construction

[0026] In order to further describe the present invention, the preparation method of a hollow glass microsphere with high floating rate of the present invention will be further described in conjunction with the following examples. However, the present invention is not limited to the Examples.

[0027] A kind of preparation method of the hollow glass microsphere of high floating rate of the present invention concrete implementation process is as follows:

[0028] (1) Accurately weigh raw materials, surfactants and stable dispersants, and use a flow meter to measure a certain quality of water, mix it through a dispersion tank for 15 to 20 minutes, and then transport it to a ball mill through a feeding pump to obtain a solid phase content of 55%. ~65% slurry.

[0029] (2) The slurry is transported to the spray granulation equipment through the feeding pump, and the spray granulation is carried out under the conditions of the inlet temperature of 280-420°C, the outlet temperature...

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Abstract

The invention discloses a production method of hollow glass beads high in floating rate. A production technology of the production method of the hollow glass beads high in floating rate comprises thesteps: (1) producing slurry, wherein basic material components, a stabilizing dispersion agent and a surfactant are accurately weighed, wherein the basic material components are quartz, borax, calciumcarbonate, sodium carbonate, sodium sulfate and sodium phosphate; (2) producing a precursor; (3) producing hollow glass beads; and (4) conducting surface modification. The stable dispersive slurry produced through the method is high in solid content and low in surface tension and viscosity, not only is energy consumption of spray granulation significantly reduced, but also the produced precursoris small in particle size span and even in component, by combining a high-temperature negative-pressure vitrification technology, the floating rate of the hollow glass beads is higher than 96.5%, thesurface smoothness is also high, and low-temperature recirculating air is adopted for enhancing the hollow glass beads. According to the production method of the hollow glass beads high in floating rate, the raw materials are easy to obtain, the hollow glass bead yield is high, the technology process is simple, energy consumption is low, the production cost is low, and the product application range is wide.

Description

technical field [0001] The invention relates to an inorganic filler, in particular to a hollow glass microsphere, which can be widely used in the fields of petroleum, chemical industry, military industry, shipbuilding, automobile, aerospace, building materials, etc. Unsaturated resins, nitrile, phenolic, acrylic and other coatings, as well as inks, adhesives, sealants, emulsion explosives and other products. Background technique [0002] Hollow glass microspheres are hollow micron-sized spherical particles, which have excellent characteristics such as low density, high strength, low thermal conductivity, sound insulation, high melting point, strong stability, and good fluidity. It makes it an excellent modified material and endows the substrate with multiple functions, so it is widely used in petroleum, military industry, building materials, automobiles, plastics, paints, explosives and other industries. [0003] At present, the preparation technologies of hollow glass micr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C11/00
CPCC03C11/002C03B19/107C03C1/006C03C3/097
Inventor 许传华刘亚辉汪俊汪光辉柳雷彭丽芬
Owner SINOSTEEL MAANSHAN INST OF MINING RES
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