lime glass tube

A technology of glass tube and lime material, applied in the field of lime material glass tube and its preparation, which can solve the problems of small tolerance variation range of glass tube outer diameter, large variation range of outer diameter, insufficient step blowing, etc., and achieve stable and melting glass liquid The effect of high efficiency and long material resistance

Inactive Publication Date: 2018-02-13
德清华宝玻璃有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Lime material glass tubes in the prior art have practical problems such as large variation in outer diameter, uneven wall thickness, insufficient step blowing, and double steps. The inventor has optimized the formula and process on the basis of long-term practice, and found a New lime material glass tube, the outer diameter tolerance of the glass tube produced by the invention is small, the wall thickness is uniform and stable, the energy-saving lampshade and LED lampshade are easy to eliminate stress, and the steps are blown obviously

Method used

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Examples

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Effect test

Embodiment 1

[0023] A preparation method for a lime material glass tube, comprising the following steps:

[0024] (1) Ingredients: Add the raw materials in the above parts by weight in the order of lime, soda ash, quartz sand, sodium nitrate, potassium feldspar powder, dolomite powder, calcite powder, borax sodium sulfate, tourmaline, and silicon carbide. Mix well in the mixer;

[0025] (2) Melting: Keep the temperature stable, the flame length stable, the temperature constant at 1500°C, and burn for 24 hours to fully melt the raw materials;

[0026] (3) Nucleation and crystallization: constant temperature of 1280 ° C, burning for 24 hours, the temperature is required to be stable and uniform during combustion, and the flame is full, so that the glass can be fully nucleated and crystallized;

[0027] (4) Forming: forming glass with forming equipment;

[0028] (5) Annealing: Keep the temperature at 540°C±3 for 24 hours to eliminate stress, cold frying and other phenomena.

[0029] The st...

Embodiment 2

[0032] A preparation method for a lime material glass tube, comprising the following steps:

[0033] (1) Ingredients: Add the raw materials in the above parts by weight in the order of lime, soda ash, quartz sand, sodium nitrate, potassium feldspar powder, dolomite powder, calcite powder, borax sodium sulfate, tourmaline, and silicon carbide. Mix well in the mixer;

[0034] (2) Melting: Keep the temperature stable, the flame length stable, the temperature constant at 1500°C, and burn for 24 hours to fully melt the raw materials;

[0035] (3) Nucleation and crystallization: constant temperature of 1280 ° C, burning for 24 hours, the temperature is required to be stable and uniform during combustion, and the flame is full, so that the glass can be fully nucleated and crystallized;

[0036] (4) Forming: forming glass with forming equipment;

[0037] (5) Annealing: Keep the temperature at 540°C±3 for 24 hours to eliminate stress, cold frying and other phenomena.

[0038] The st...

Embodiment 3

[0041] A preparation method for a lime material glass tube, comprising the following steps:

[0042] (1) Ingredients: Add the raw materials in the above parts by weight in the order of lime, soda ash, quartz sand, sodium nitrate, potassium feldspar powder, dolomite powder, calcite powder, borax sodium sulfate, tourmaline, and silicon carbide. Mix well in the mixer;

[0043] (2) Melting: Keep the temperature stable, the flame length stable, the temperature constant at 1500°C, and burn for 24 hours to fully melt the raw materials;

[0044] (3) Nucleation and crystallization: constant temperature of 1280 ° C, burning for 24 hours, the temperature is required to be stable and uniform during combustion, and the flame is full, so that the glass can be fully nucleated and crystallized;

[0045] (4) Forming: forming glass with forming equipment;

[0046] (5) Annealing: Keep the temperature at 540°C±3 for 24 hours to eliminate stress, cold frying and other phenomena.

[0047] The st...

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Abstract

The invention discloses a lime material glass tube. The preparation method thereof is as follows: (1) Ingredients: mix the above-mentioned raw materials in parts by weight according to lime, soda ash, quartz sand, sodium nitrate, potassium feldspar powder, dolomite powder, calcite powder, borax The sequence of sodium sulfate, tourmaline, and silicon carbide is added to the drum mixer and mixed evenly; (2) melting: keep the temperature stable, the flame length stable, the temperature constant at 1500 ° C, and burn for 24 hours to fully melt the raw materials; (3) Nucleation and crystallization: a constant temperature of 1280 ° C, burning for 24 hours, the temperature is required to be stable and uniform during combustion, and the flame is full, so that the glass can be fully nucleated and crystallized; (4) Forming: use forming equipment to shape the glass; ( 5) Annealing, keep the temperature at 540°C±3, keep it for 24 hours, eliminate stress, cold frying and other phenomena.

Description

technical field [0001] The invention relates to a glass tube and a preparation method thereof, in particular to a lime material glass tube and a preparation method thereof. Background technique [0002] The main raw materials of glass are: silica sand (sandstone), soda ash, feldspar, dolomite, limestone, and thenardite. Process: raw material crushing: crush the above raw materials into powder; weighing: weigh a certain amount of various powders according to the planned ingredient list; mixing: mix and stir the weighed powders into batch materials (colored glass is added at the same time agent); Melting: Send the batch material into the glass melting furnace and melt it into molten glass at 1700 degrees; Forming: Use the corresponding molding device to make the molten glass into flat glass, bottles, containers, light bulbs, glass tubes, fluorescent screens, etc. ;Annealing: send all kinds of formed glass products into the annealing kiln for annealing to balance the stress an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C6/06C03C3/091
Inventor 张伟坚
Owner 德清华宝玻璃有限公司
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