CN201452576U - Hollow glass cup made of lead-free low melting glass - Google Patents
Hollow glass cup made of lead-free low melting glass Download PDFInfo
- Publication number
- CN201452576U CN201452576U CN2009200778563U CN200920077856U CN201452576U CN 201452576 U CN201452576 U CN 201452576U CN 2009200778563 U CN2009200778563 U CN 2009200778563U CN 200920077856 U CN200920077856 U CN 200920077856U CN 201452576 U CN201452576 U CN 201452576U
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- glass
- ring
- double glazing
- lead
- low melting
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Abstract
The utility model relates to a hollow glass cup made of lead-free low melting glass, which consists of an outer ring wall (1) and a hollow cylinder (2), wherein the outer ring wall (1) is positioned at the outer side of a glass cup (3); and the hollow cylinder (2) is positioned at the axle center at the inner part of the glass cup (3). The hollow glass cup has the characteristics of difficulty for aging, high air tightness, high temperature resistance and insulating performance, environmental protection, usability and high performance-cost ratio.
Description
Technical field
The utility model belongs to glass equipment field, particularly relates to a kind of Unlead low-smelting point glass double glazing ring.
Background technology
Contain a large amount of metallic leads in the existing electrothermal tube seal glass ring, we know that heavy metal lead is harmful to human body, and plumbous toxic dose only is 1mg, and lethal dose is 1g.The heavy metal that contains in this series products can cause serious harm to environment and human body, on the one hand, leaded high glass chemistry poor stability, use the discarded glass in back to meet the erosion of water, acid rain and atmosphere etc., lead ion is stripping gradually, the severe contamination that easily causes groundwater quality, to people's life security, especially the brain development to children can bring serious threat; On the other hand, in the production of lead glass,, need throwing people's great amount of manpower and material resources and financial resources to carry out the comprehensive regulation because the dust of blending process and the volatilization of the lead in the glass smelting process often work the mischief to direct labor and environment.Nuisanceless seal glasses such as human now environmental consciousness is more and more stronger, and is unleaded and products thereof will obtain more and more consumers' favor.Therefore, replace the attention that leaded seal glass ring is subjected to developed country, become the Green Trade Barrier of developed country to a certain extent with the barium crown sealed glass ring.
Some electrothermal tube sealing ring adopts macromolecular material, it is low that this class material has a sealing temperature, light, corrosion-resistant under the normal temperature, advantage such as fastness is strong, thereby in portioned product, obtained using widely, but the intrinsic deficiency of macromolecular material is difficult to avoid in the application of electrothermal tube, such as poor heat resistance, poor chemical stability when using for a long time, sealing-in fastness descend and comparatively fast wait deficiency.
Therefore, develop and have low-melting inorganic environmental protection sealing ring and be with a wide range of applications, not only welding is very firm, crator is very smooth, pore-free, it is big for environment pollution particularly to overcome traditional flint glass ring, the shortcoming of harm humans health, and can avoid organic matter sealing ring heat-resisting quantity poor, corrosion-prone deficiency.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of Unlead low-smelting point glass double glazing ring, has solved the demand to Unlead low-smelting point glass double glazing ring.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of Unlead low-smelting point glass double glazing ring is provided, by external annulus, hollow cylinder is formed, and described external annulus is positioned at the glass ring outside, and described hollow cylinder is positioned at glass ring internal axis position.
The internal diameter r of described glass ring is 2.2～4.2cm.
The external diameter R of described glass ring is 4.3～6.3cm.
The length H of described glass ring is 0.5～1.3cm.
Beneficial effect
(1) the utility model is difficult for wearing out, and the double glazing ring is from material character, and it is a kind of glass with a small amount of crystallite, it is a kind of material between glass and pottery, it has the flowability of glass, also has the intensity and a chemical stability of pottery, so it has never aging speciality;
(2) the utlity model has high leakproofness,, have special high-expansion energy though this product is a glass, in the process of being heated and cooling off, it expands with electrothermal tube (stainless steel tube) and shrinks together, like this, just accomplished excellent sealing property, under normal operating position, never gas leakage;
(3) the utlity model has high temperature resistant, this product can be under the hot environments of 300 degree long-term normal the use;
(4) the utlity model has high insulation, this product insulation values can reach 85M Ω, and the insulation values of sealing the back electrothermal tube is superstate standard (50M Ω) far;
(5) the utlity model has the feature of environmental protection, this product meets China and the RoHS of European Union environmental protection instruction fully, and has passed through the RoHS environmental protection tests of the international authentication of SGS, and the product lead content is significantly less than the RoHS of European Union command request (almost nil);
(6) the utlity model has ease for use, adopt this product to seal, technology is simple, and is with low cost;
(7) cost performance height of the present utility model, the every index of the present invention meets or exceeds imported product comprehensively, but price is the part of imported product.
Description of drawings
Fig. 1 is a structural representation of the present utility model
The specific embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment only to be used to the utility model is described and be not used in the restriction scope of the present utility model.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Embodiment 1
A kind of Unlead low-smelting point glass double glazing ring, by external annulus 1, hollow cylinder 2 is formed, and external annulus 1 is positioned at glass ring 3 outsides, and hollow cylinder 2 is positioned at glass ring 3 internal axis positions.The internal diameter r of glass ring 3 is 2.2～4.2cm.The external diameter R of glass ring 3 is 4.3～6.3cm.The length H of glass ring 3 is 0.5～1.3cm.
A kind of Unlead low-smelting point glass double glazing ring, be made up of lead-free glass powder with low melting point and organic matter dispersant, the percentage by weight of raw material is that lead-free glass powder with low melting point is 98%, the organic matter dispersant is 2%, forms the granulation powder after lead-free glass powder with low melting point and the granulation of organic matter dispersant;
A kind of Unlead low-smelting point glass double glazing ring, by the glass dust after the granulation through press compression moulding;
A kind of Unlead low-smelting point glass double glazing ring, concrete steps are, the double glazing ring of compression moulding is placed chain hot blast tunnel type oven, preheating under 80～250 ℃ temperature, heating-up time is 40min, heat under 250～400 ℃ temperature, the heating-up time is 40min, at 400～440 ℃, heating-up time is 20min, 440 ℃ of down insulations 20 minutes, cool to 70 ℃ from 400 ℃ then, temperature fall time is 40min.
The internal diameter r of described double glazing ring is 2.2cm;
The external diameter R of described double glazing ring is 4.3cm;
The length H of described double glazing ring is 0.5cm;
Embodiment 2
A kind of Unlead low-smelting point glass double glazing ring, be made up of lead-free glass powder with low melting point and organic matter dispersant, the percentage by weight of raw material is that lead-free glass powder with low melting point is 95%, the organic matter dispersant is 5%, forms the granulation powder after lead-free glass powder with low melting point and the granulation of organic matter dispersant;
A kind of Unlead low-smelting point glass double glazing ring, by the glass dust after the granulation through press compression moulding;
A kind of Unlead low-smelting point glass double glazing ring, concrete steps are, the double glazing ring of compression moulding is placed chain hot blast tunnel type oven, preheating under 80～250 ℃ temperature, heating-up time is 60min, heat under 250～400 ℃ temperature, the heating-up time is 60min, at 400～440 ℃, heating-up time is 20min, 440 ℃ of down insulations 20 minutes, cool to 70 ℃ from 400 ℃ then, temperature fall time is 40min.
See also accompanying drawing 1, a kind of Unlead low-smelting point glass double glazing ring, described double glazing ring is a pipeline shape;
The internal diameter r of described double glazing ring is 3.2cm;
The external diameter R of described double glazing ring is 5.3cm;
The length H of described double glazing ring is 0.9cm;
Embodiment 3
A kind of Unlead low-smelting point glass double glazing ring, be made up of lead-free glass powder with low melting point and organic matter dispersant, the percentage by weight of raw material is that lead-free glass powder with low melting point is 96.5%, the organic matter dispersant is 3.5%, forms the granulation powder after lead-free glass powder with low melting point and the granulation of organic matter dispersant;
A kind of Unlead low-smelting point glass double glazing ring, by the glass dust after the granulation through press compression moulding;
A kind of Unlead low-smelting point glass double glazing ring, concrete steps are, the double glazing ring of compression moulding is placed chain hot blast tunnel type oven, preheating under 80～250 ℃ temperature, heating-up time is 50min, heat under 250～400 ℃ temperature, the heating-up time is 50min, at 400～440 ℃, heating-up time is 20min, 440 ℃ of down insulations 20 minutes, cool to 70 ℃ from 400 ℃ then, temperature fall time is 40min.
See also accompanying drawing 1, a kind of Unlead low-smelting point glass double glazing ring, described double glazing ring is a pipeline shape;
The internal diameter r of described double glazing ring is 4.2cm;
The external diameter R of described double glazing ring is 6.3cm;
The length H of described double glazing ring is 1.3cm;
Points for attention before a kind of Unlead low-smelting point glass double glazing of the utility model ring seal mouth are:
(1) to recommend sealing temperature be about 500 ℃ to the utility model, when temperature is too high, easily produces bubble, influences the sealing-in effect, can adjust sealing temperature when using and fully melt but do not produce bubble to glass and be the best;
(2) the easy moisture absorption of the magnesia powder of electrothermal tube filling is please put metal tube into baking oven (280～300 ℃) insulation 3～4 hours before the sealing-in, guarantee that the moisture eliminating is clean;
(3) during glass-dead seal, pay attention to sanitation and hygiene, metal mouth of pipe dust and dirty should cleaning out, otherwise air-tightness is not good after can causing sealing-in, and influence insulating properties.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model design; can also make some improvements and modifications, these improvements and modifications also should be considered as in the protection domain of the present utility model.
Claims (4)
1. Unlead low-smelting point glass double glazing ring, by external annulus (1), hollow cylinder (2) is formed, and it is characterized in that: described external annulus (1) is positioned at glass ring (3) outside, and described hollow cylinder (2) is positioned at glass ring (3) internal axis position.
2. a kind of Unlead low-smelting point glass double glazing ring according to claim 1, it is characterized in that: the internal diameter r of described glass ring (3) is 2.2～4.2cm.
3. a kind of Unlead low-smelting point glass double glazing ring according to claim 1, it is characterized in that: the external diameter R of described glass ring (3) is 4.3～6.3cm.
4. a kind of Unlead low-smelting point glass double glazing ring according to claim 1, it is characterized in that: the length H of described glass ring (3) is 0.5～1.3cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200778563U CN201452576U (en) | 2009-07-03 | 2009-07-03 | Hollow glass cup made of lead-free low melting glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200778563U CN201452576U (en) | 2009-07-03 | 2009-07-03 | Hollow glass cup made of lead-free low melting glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201452576U true CN201452576U (en) | 2010-05-12 |
Family
ID=42379912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200778563U Expired - Fee Related CN201452576U (en) | 2009-07-03 | 2009-07-03 | Hollow glass cup made of lead-free low melting glass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201452576U (en) |
-
2009
- 2009-07-03 CN CN2009200778563U patent/CN201452576U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20120703 |