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2017年5月4日星期四
Doors and windows products used in the tempered glass you know how much?
Doors and windows, this is an indispensable part of the doors and windows, the earliest windows and doors are single-layer glass, the development of the current insulating glass, laminated glass, bullet-proof glass, etc., mainly in the construction of doors and windows mainly hollow glass, Then the hollow glass kind to the steel for the best.
How to identify the insulating glass is tempered?
The simplest and most straightforward way is to see the eyes, see whether the glass under the corridor of the 3C logo, playing 3c marked are basically tempered glass (of course, in general, the kind of scraping) the tempered glass processing program is the first The ordinary float glass cut into the required size, and then grinding, cleaning, playing the national compulsory certification ccc mark (that is, ordinary ink), into the steel furnace after the finished glass can not be cut or in the processing. And the ink in the high temperature is baked after the general situation is scraping, tempered glass due to the impact of equipment and technology will appear quality defects in the general way to identify the surface is to observe whether the deformation of the glass there is a way to distinguish is Break the glass to observe the debris particles, this identification method in the home decoration doors and windows which does not apply, if you hit the 3C steel signs you do not believe this is steel, then you use a hammer or kick it, certainly not broken.
Tempered glass is made of ordinary flat glass or float glass processing. Ordinary flat glass requires the use of special products or first-class goods; float glass requires the use of superior or first-class goods. There are two kinds of production of tempered glass: one is the ordinary flat glass or float glass in a specific process conditions, the quenching method or air-cooled quenching method from processing. The other is the ordinary flat glass or float glass through the ion exchange method, the glass surface composition changes, the glass surface to form a layer of stress layer processing. Tempered glass with high impact strength (4 to 5 times higher than ordinary flat glass), bending strength (5 times higher than ordinary flat glass), good thermal stability and smooth, transparent, non-cutting and so on. In case of super impact damage, the fragments were scattered small granular, no sharp edges and corners, it is also known as safety glass.
Whether it is steel doors and windows tempered glass or broken bridge aluminum doors and windows tempered glass are in our daily lives we can see the general high-rise residential windows and windows and the bottom of the floor will be used more.
Energy - saving Design of Glass Building in Cold Area
Glass building is a rich, extensive architectural form, which mainly refers to a large area of the use of glass building. As the glass building fashion, light and transparent, since the 20th century, 70 years, the development and application of glass construction has reached an unprecedented height. However, the widespread use of the glass curtain wall also brings many problems, such as: a large number of energy consumption, serious light pollution, a large number of carbon dioxide emissions and line of sight interference. Among these many problems, the large consumption of energy, especially in cold areas, has been a major aspect of the development of glass buildings. If the energy waste problem is not resolved, the cold area of glass building development will be very limited, and even can be said to be stagnant.
(2) summer to minimize solar radiation; (c) summer should take full advantage of natural ventilation, the winter to avoid the direct blow to the cold wind blowing; (2) summer to minimize solar radiation; (c) summer should take full advantage of natural ventilation, Attack.
(2) Plane layout: For glass buildings, from the layout of the layout to be analyzed, should be partitioned, that is, south to the main room and large space, and open a large window or use glass curtain wall, and traffic and auxiliary room arranged in the north or east To open, should open a small window or plug glass curtain wall.
(3) plane shape: for the glass building, we consider the south side is the benefit side, the other three sides as a heat loss surface, by comparing with the square plane, can draw the conclusion: glass building plane should be arranged according to the long axis , Side length to take 1: 1.5 ~ 1: 4 is appropriate
(4) Body shape: body size refers to the building and outdoor air contact with the surface area of the building volume surrounded by the ratio. The larger the coefficient, the greater the area of heat dissipation shared by the unit building space, and the more energy consumption. From an energy-saving point of view, a reasonable design should be based on the principle that the radiant heat absorbed by the south-facing glass surface should be maximized as much as possible by its outward loss of heat.
(5) Surface area coefficient (other surface area of the building and the ratio of the south area): For the glass building from the more sunshine radiation, reduce energy consumption point of view, the smaller the surface area coefficient as possible. Therefore, I from the energy-saving sense, the long axis toward the east and west of the rectangular shape of the best, followed by a square, while the long axis toward the north and south of the rectangular shape of the building energy-saving effect is the worst.
Little knowledge about glass
It is said that the glass is an ancient Phoenician businessman accidentally discovered. The Phoenician merchant fleet carrying the trona was unable to move on the voyage and had to break down on the beach overnight. They used the lumps as a stone, built a stove, and burned the fire. When the calm, they clean up the stove, ready to sail, suddenly found the beach there are some glittering pearl-like things, this is the first glass.
This ancient legend tells us that the glass is made of sand by the main raw material melting. The chemical composition of sand is silica. The melting point of silica is very high, adding soda ash (sodium carbonate) can greatly reduce the melting temperature, so that the melt flow easily. However, this way out of the glass like a paste, can be dissolved in the water, we call it water glass, is the sodium silicate.
Add limestone, water glass "eat" calcium, melting and water flow like glass after cooling into our common glass. In the tomb unearthed in the ancient Egyptian Han She Su's practice --- string of green glass beads, is four thousand years ago, the earliest human history of glass products, gold and silver jewelry was more precious than na! But then the melting temperature is not high, glass beads is not very transparent. Glass in a very long period of time, has been the nobility hall of the furnishings and works of art, has now become a very common life supplies and building materials. A wide variety of utensils and instruments made of glass are cheap and very popular. When the house is built, the glass doors and windows are made in the world. The lobby of the World Exposition in Paris, France is made of reinforced mezzanine, and the lighting is very good, known as the "Sunshine Building". Ordinary glazing, oil bottles, bottles and so on with a touch of green, which is the manufacture of glass containing raw materials containing divalent iron ion impurities brought green. Some bottles, beer bottles, soy sauce bottles are brown, which is still caused by iron impurities, but not the divalent iron ions, but the trivalent iron ions.
To create a glass without color, the choice of raw materials must be free of iron. However, the natural sand, limestone and soda ash, more or less always have some iron compounds. How to eliminate the green in the glass? Chemical approach is: to the glass melt to add a certain percentage of manganese dioxide. Manganese dioxide is an oxidizing agent, which oxidizes green divalent iron ions into yellow ferric ions, and manganese becomes purple trivalent manganese. Yellow and purple synthetic white, the glass becomes colorless and transparent. Glass contains different metal compounds that will be "dyed" on a variety of colors. Plus copper oxide, you can get red glass; plus oxidation drill - blue glass; plus chromium oxide - green glass ... ...
Glass will also be "aging". It is an amorphous supercooled liquid, the arrangement of molecules, atoms is disorganized. But after a long period of molecular movement, the glass will appear in the local arrangement of a slight order of the small crystals, so that the decline in transparency of the glass, as if covered with a layer of mist, how rub can not erase, people from the rub Old glass this thing to be inspired, simply let the glass after quenching, so that the internal molecules arranged neatly, microcrystalline. This kind of glass-ceramic is much like metal, unlike the general glass so delicate. Glass-ceramic cups are not afraid to fall, do not burst, used to do large-scale reflective telescope, not swelling does not shrink, in the hot and cold drastic changes in the environment can still work properly. Glass-ceramic tools, cut iron, such as mud; can also be processed into artificial bones. Wristwas made with glass-ceramic, clean, beautiful, can be placed directly on the feast
A sticky glass wipe method
1, wipe the glass: first with a towel to wipe the glass frame, and then stained with glass after the dilution of the glass water solution, even from top to bottom smear the glass, and then repeat the above process, with a glass scraping from scratch to clean, With a dry towel to clean the water marks left on the box, the water marks on the glass must use glass scrub clean, otherwise it will leave a trail on the glass.
2, the vinegar and water by 1: 2 ratio to reconcile, put the spray, spray on the glass and then wipe, you can polish very clean.
3, in the basin by adding 5% of the Ammonia solution or gasoline, with its cleaning glass, until the glass is dry and then wipe clean with a dry cloth, the glass can be spotless, bright and transparent. In the wipe of the glass, you can use the different models with a different window to see whether the double glass or double glass. Use the wiping window to facilitate, effort and safety.
4, such as the surface of the glass moldy phenomenon, can be hydrofluoric acid (HF) and water 1: 8 ratio of reconciliation (Note: more than 1: 8, will cause damage to the hand), wipe the glass, pay attention, be sure to do Corrosion protection work, the skin can not be exposed to HF, otherwise the skin will be serious corrosion, wipe the glass, wipe with water again, and finally the glass dry.
Crystal and ordinary glass how to distinguish?
Most people in the crystal when it is easy to crystal with the general glass confused, then how to distinguish between crystal and ordinary glass? Here are a few tips:
1, listen: with the middle finger bombardment, the sound of ordinary glassware is more boring "flap" sound, and the sound of crystal containers more brittle, with a metal sound "Dangdang" sound, the higher the hardness of the crystal, sound The more loud.
2, gloss: in the sun compared to high-quality crystal reflects the colorful light color, and the transition light is very natural and rich, glass refraction color is often incomplete, and more bleak. Its transparency in natural light compared to high-quality crystal transparent high, showing the crystal white, and ordinary glass or pure crystal will be yellow or miscellaneous with cyan.
3, pattern: the same fineness of the crystal, the pattern of the higher degree of exquisite workmanship, pattern in a small area on the more detailed and complicated, the higher the value. Hand touch, hand pattern surface has a rough sense of hand, and the mechanism of the pattern is smooth.
4, the use of: because the crystal hardness is much higher than ordinary glass, long-term use is often not dirty, and repeated use of glass for a long time, it is easy to have scratches and surface pollution. In the clear, you have to do is carefully check whether the whole product is intact, the appearance of defective defects, the surface is smooth and meticulous.
Waste glass recycling value of considerable
In the life can be seen everywhere in the shadow of the glass, whether it is decoration house or daily life of the mirror are belong to the glass. So, how much do you know about waste glass, waste glass is actually recyclable, and the resulting economic benefits are also very impressive.
Waste glass according to its source can be divided into daily waste glass (utensils glass, bulb glass) and industrial waste glass (flat glass, glass fiber). Recycled waste glass by classification, cleaning, part of the waste glass after the selection can be directly re-applied, such as mirror and do glass finishes and so on. According to conservative estimates, waste glass accounts for 5% of domestic waste, only flat glass manufacturing industry each year to produce waste broken glass reached 200 million tons.
Recycling 1 ton of waste glass can save 100 kilograms of fuel, a glass bottle is reused by the energy saved, can make the light bulb for 4 hours. For flat glass production enterprises, if the use of a large number of broken glass, furnace life will be extended by 15% to 20%. Recycling of waste glass can not only save the cost of environmental protection departments, save land, but also to reduce environmental pollution. Authoritative agencies said that when the use of broken glass content of the total amount of 60% of the batch, you can reduce 6% to 22% of air pollution.
Faced with such a promising industry, a variety of research institutions and enterprises at home and abroad have done a lot of waste glass recycling research. The waste glass can be made into various building materials such as glass mosaic, glass tiles, glassy artificial stone, foam glass, glass-ceramic, glassware, artificial sand, glass micro Beads, colored glass balls, glass and ceramic products, high temperature adhesives. With the maturity of technology and technology investment increased, the use of waste glass in the field of expanding, while the variety has increased.
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