Composite light-storing ceramic for fire-fighting indication and preparation method thereof

A ceramic and indicating technology, which is applied in the direction of glass manufacturing equipment, chemical instruments and methods, manufacturing tools, etc., can solve the problems of unstable luminous efficiency and low yield rate of products, improve visual comfort, improve light efficiency, and increase gloss degree of effect

Active Publication Date: 2020-11-27
XUZHOU NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

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Method used

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  • Composite light-storing ceramic for fire-fighting indication and preparation method thereof
  • Composite light-storing ceramic for fire-fighting indication and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] The specific process includes the following steps:

[0035] 1) Weighing of raw materials: respectively weigh light storage powder (CaAl 2 o 4 : Eu, Nd) 10 parts, particle size 80 mesh glass frit 90 parts.

[0036] 2) Powder configuration and processing: Put the weighed raw materials into the granulator and directly stir and granulate, and then get the mixture after stirring for 1 hour; the speed of the granulator during the whole stirring process is 80rad / min.

[0037] 3) Powder forming: the mixture obtained in step 2) is directly sieved and spread into the mold through the internal screen of the distributing machine (the aperture is 20 mesh), and then printed on the surface of the mixture by a screen printing machine. The frosted glass sheet with the exit instruction pattern (roughness 13 microns, thickness 3 mm), with the printed side facing down, the mold and the frosted glass sheet are both rectangular (10cm*20cm), and then sent to a roller kiln for firing.

[00...

Embodiment 2

[0042] The specific process includes the following steps:

[0043] 1) Weighing of raw materials: Weigh the light storage powder (Sr 4 Al 14 o 25 : Eu, Dy) 25 parts, particle size 100 mesh glass frit 75 parts.

[0044] 2) Powder configuration and processing: put the weighed raw materials into the granulator and directly stir and granulate, and then get the mixture after stirring for 2 hours; the speed of the granulator is 100rad / min during the whole stirring process.

[0045] 3) Powder stacking molding: the mixture obtained in step 2) is directly sieved into the mold through the internal screen of the distributing machine (aperture 40 mesh), and printed on the surface of the mixture by a screen printing machine. The frosted glass sheet with the exit instruction pattern (roughness 10 microns, thickness 2 mm), the printed side facing down, the mold and the frosted glass sheet are both square (25cm*25cm), and then sent to the roller kiln for firing.

[0046] 4) Firing: Preheat...

Embodiment 3

[0050] The specific process includes the following steps:

[0051] 1) Weighing of raw materials: Weigh the light storage powder (SrAl 2 o 4 : Eu, Dy) 30 parts, particle size 200 mesh glass frit 70 parts.

[0052] 2) Powder configuration and processing: Put the weighed raw materials into the granulator and directly stir and granulate, and then get the mixture after stirring for 3 hours; the speed of the granulator during the whole stirring process is 250rad / min.

[0053] 3) Powder stacking molding: the mixture obtained in step 2) is directly sieved into the mold through the internal screen of the distributing machine (the aperture is 60 mesh), and then the emergency exit is printed on the surface of the mixture through a screen printing machine The frosted glass sheet indicating the pattern (roughness is 7 microns, thickness is 0.5 mm), the printed side is facing down, the mold and the frosted glass sheet are both square (25cm*25cm), and then sent to the roller kiln for firin...

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Abstract

The invention relates to a composite light-storing ceramic for fire-fighting indication and a preparation method thereof. The preparation method comprises the following steps: respectively weighing light storage powder and glass powder according to a ratio, putting the light storage powder and the glass powder into a granulator, and directly stirring and granulating to obtain a mixture; directly screening the mixture through a screen in a distributing machine and flatly laying into a mold, then covering the surface of the mixture with a frosted glass sheet printed with patterns, and feeding the frosted glass sheet and the frosted glass sheet into a roller kiln together to be fired; dividing a roller kiln into a preheating zone, three sintering zones, a quenching zone and a slow cooling zone, and dividing the roller kiln sintering step into a pre-sintering stage, three sintering stages and two cooling stages; and further processing the sintered ceramic product according to requirements.According to the composite light-storing ceramic prepared by the invention, after 20 minutes of light storage, 18 hours (more than 0.32 mcd/m <2>) of continuous luminescence can be realized at most,and the initial 1 min intensity is more than 4800 mcd/m<2 >; wherein the intensity is greater than 44 mcd/m<2> (outdoor sunlight is directly irradiated for 20 min, a fluorescent lamp is used for 30 min, ultraviolet rays are used for 5 min, and the room temperature is tested at 25 DEG C).

Description

technical field [0001] The invention belongs to the technical field of preparation of inorganic non-metallic materials, and relates to a preparation method of light-storage ceramics, in particular to a composite light-storage ceramic for fire indication and a method thereof. Background technique [0002] Light-storing materials are materials that can still emit light by themselves within a certain period of time after the light source disappears after being irradiated by a light source. This special material can emit light at night or in the dark after being irradiated by sunlight or light, so there is no energy consumption and battery hidden dangers, no need to lay circuits, good chemical stability and long luminous time and other excellent physical and chemical properties. It is widely used in construction. Indication fields such as decoration, transportation, fire safety and subway tunnels. [0003] At present, in the research of light-storage materials for fire-fighting...

Claims

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Application Information

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IPC IPC(8): C03B19/06C03C4/12C03C1/02C03B1/00B32B7/023B32B7/10B32B9/00B32B9/04B32B17/06C09K11/02C09K11/64
CPCC03B19/06C03C4/12C03B1/00C03C1/026B32B7/023B32B7/10B32B9/005B32B9/04B32B17/06C09K11/025C09K11/7792
Inventor 张乐杨顺顺陈东顺邵岑康健李明周天元李延彬陈浩
Owner XUZHOU NORMAL UNIVERSITY
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