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 Annual use of SF6 gas is about 1000t. Alerter l'administrateur Recommander à un ami Lien de l'article 

At present, Japan is the country with the largest production of SF6 transformers, Mitsubishi, Toshiba, Hitachi, Fujitsu can produce. The United States during the period from 1998 to 2002 the production and processing of high voltage circuit breakers installed in the SF6 gas leakage rate were investigated.

Because SF6 gas has excellent insulating and arc quenching performance of the electrical installations to achieve the economic oriented, low maintenance oriented operation and space saving, SF6 gas has also begun to high voltage transmission and distribution equipment in the transformer, transmission pipelines and transformer areas such as application development. This Protocol was February 16, 2005 came into effect, which provides that during the period from 2008 to 2012, the main industrial greenhouse gas emissions by developed countries in 1990 on the basis of an average of 5.2%, of which the EU will be six kinds of greenhouse gases emission reductions of 8%, 7% reduction of United States, and Japan 6%, Canada 6% reduction, Eastern European countries, reduction of 5% to 8%; New Zealand, Russia and Ukraine do not have to cut emissions can be stabilized at 1990 levels; Protocol while allowing Ireland, Australia and Norway, respectively, compared with 1990 emissions increased by 10%, 8%, 1%; developing countries have emission reduction obligations.

SF6 transformers can be done at present levels of 500kV and 300MVA. SF6 is a greenhouse gas CO2 to the atmosphere of 23900 times. Toshiba also N2 SF6 mixed gas circuit breaker is studied. Therefore, SF6 gas in the arc cut off very quickly after the cooling, insulation and resilience of good air about 100 times.5kV ~ 550kVSF6 high voltage switchgear, after decades of development, SF6 electrical appliances manufacturing enterprises increased year by year. 2, to promote the miniaturization of SF6 electrical equipment and reduce the volume of SF6 electrical equipment in order to reduce the use of SF6 gas.

Atmospheric environmental protection situation December 11, 1997, 149 countries and regions, representatives, adopted the "Kyoto Protocol" provides for six greenhouse gases (GHG), which are: carbon dioxide, methane, nitrous oxide, hydrofluorocarbons, perfluorocarbons , sulfur hexafluoride. Countries in the world has been studying alternatives to SF6 gas for many years abroad on a variety of mixed gases (such as SF6 N2, SF6 CO2, SF6 CF4) in the PD characteristics of insulation breakdown characteristics of the study found that for the liquefaction temperatures were particularly low, non toxic and stable N2 gas, mixed with 20% of the SF6 gas and the non uniform electric field in the partial discharge starting voltage (PDIV) and dielectric breakdown voltage (BDV) has increased the possibility of, and, also found in high gas pressure, can get 100% SF6 gas with roughly the same insulating properties.5kV ~ 252kV), EHV (363kV ~ 550kV), and ultra high voltage (800kV 1100kV) SF6 high voltage switchgear. Annual use of SF6 gas is about 1000t.

SF6 gas in high voltage electrical products account for about the application of SF6 gas applications, 80%, while the SF6 gas switch device is currently leading the field of high voltage switch products, but also ultra high pressure and special high voltage switchgear applications and development of the main directions, so understanding of the environment changes and trends in the protection and control emissions of SF6 gas into the atmosphere to study the SF6 gas in the power switching devices for power switching applications of great significance to the development of equipment. In addition to high voltage SF6 gas circuit breaker in the transmission and distribution equipment, GIS, load switches, transformers, transformers and gas transmission pipeline is applied, there are a small part of the SF6 gas is used in sports shoes, scuba diving with breathing apparatus, medical field, thermal insulation glass windows, casting technology used to protect the gas, pneumatic tires, and military and other non electrical equipment.

7, to carry out the Clean Development Mechanism (CDM), to achieve reduction of SF6 gas. SF6 gas on the environmental impact of SF6 gas molecular weight is 146, the air density is about 5 times.5 kV a 145kV GCB and HPL72.3MPa) and the cooling breaking arc., Ltd.

Characteristics of SF6 gas The study found that at atmospheric pressure under the uniform electric field strength of SF6 gas insulated air three times, although less than the insulating oil and the high vacuum state, but the increase of SF6 gas pressure, the insulation strength will be higher than that of insulating oil, and high vacuum.

It is with the oil circuit breakers, compressed air circuit breaker advantage is that a single fracture compared with the high voltage, arc quenching ability, breaking current, circuit breaker, light weight, operate small power, high reliability, low maintenance, avoiding the oil circuit breakers prone to fire breathing, fuel injection and other undesirable phenomena, in addition to structural diversification interrupter chamber (variable air pressure to open away from the ceremony, scheduled to open away from the pressure air type, self energy type and mixed type) and so on.5MPa) the flow of low pressure gas chamber (0.

3, developing low pressure of the SF6 switchgear and SF6 gas mixture of electrical equipment.Environmental Protection And Development Trend Of High Voltage Electrical Appliances Manufacturers "Kyoto Protocol" set forth in one of the six greenhouse gases sulfur hexafluoride (SF6) gas emissions into the atmosphere mainly through the power transmission and distribution equipment, especially high voltage switchgear, transformers, transformers and gas insulated transmission pipelines and other products are in the experimental research, manufacturing, transportation and operation and maintenance generated in the process. Japan SF6 gas reduction measures is to establish a check curb emissions, to replace SF6 gas insulated equipment curb emissions, recycling system, and has taken action to improve the SF6 gas management system.5kV ~ 252kV) fields to the special high voltage (800kV 1100kV) areas, to develop a vacuum circuit breaker (VCB), to upgrade technology and equipment to reduce manufacturing costs VCB, vacuum switchgear to achieve a large number of high pressure area so that active rejection vacuum circuit breaker (VCB) of high voltage oriented research work, to achieve high voltage of VCB and EHV oriented.

SF6 gas emission reduction measures and development trend of SF6 electrical Direction of development of high voltage electrical products, especially the SF6 high voltage electrical products, should be to reduce emissions of SF6 gas to the atmosphere, the direction of the development of specific measures include: 1, raising the technological level of manufacturing process equipment, reducing the leakage rate of SF6 electrical equipment.

5, in the medium voltage (12kV 40. As a result, 10% of the circuit breaker leak may exist.

SF6 gas emissions into the atmosphere means SF6 gas emissions to the atmosphere mainly through the power transmission and transformation equipment, pressure testing of new products, capacity, breaking test, factory test, transfer of equipment, transportation, installation, operation, equipment maintenance and so on. SF6 gas for electricity can be seen that the contribution of the building the greater the contribution to atmospheric greenhouse effect is also increasing. The emergence of SF6 circuit breaker is a high voltage power system circuit breaking in from the oil circuit breakers, compressed air circuit breaker technology has begun a series of technological advances of recent results. These substances will be corrosive internal metal components, if these substances emitted into the atmosphere on the person's body can cause injury and stimulation. Achieve SF6 gas recycling. The principle of this circuit breaker through the SF6 gas from compressed gas cylinders (1. I also have the domestic production concrete reclaimer 10kVSF6 transformers, some of them with foreign companies set up a joint venture and have the 110kV and above, SF6 transformer manufacturing capacity. Leakage reason: 73% occurred in the gas installation, 21% is due to worn and damaged casing, and 6% is due to leakage of gas containers.. ABB has developed LTB 72. Including GIS, HGIS, and complex type can have a wide variety of product layout, these features allow the user in the design of power system substation, it can be selected according to different situations.S.

In addition, SF6 gas switch device in the process of breaking currents will produce arc, the arc will SF6 gas under high temperature decomposition, but also will produce metal vapor arc of contact, due to the presence of water in interrupter will be broken down, decomposed material will produce secondary reaction to form HF, S02, SOF2, SOF4, SO2F4 and other harmful substances. As far as possible a high degree of integration, layout and flexible composite electrical appliances or HGIS.7MPa (absolute), it can be used in 50 ?, while in pure SF6 gas 0.5 300B1 type GCB can be used either pure SF6 gas can also be used SF6 N2 gas mixture. With air contrast study also found that, in the arc discharge cases, the air temperature gradient is relatively small, rough arc, SF6 gas, the overall temperature is lower, mainly concentrated in high temperature parts of the arc. With this double pyramid structure, also developed the ceramic pole SF6 circuit breaker. Followed by Europe and Japan on the SF6 gas switch device manufacturing technology research has made great progress and development. In order to significantly advance the miniaturization of GIS and non SF6 technology, Mitsubishi Electric Co. At present, the world's first hybrid gas insulated high voltage lines N2 SF6 in Geneva completed.

SF6 gas switch equipment, the continuous development of the structure of different types of products, such as the tank and ceramic column SF6 circuit breakers, GIS, HGIS, compound and so on. When using SF6 N2 mixed gas, at 20 ? Rated air pressure 0.

Application and Development of SF6 Gas In 1953, the United States first SF6 gas used in 115kV load switch devices, in 1958, Westinghouse created a tank along the lines of the compressed air circuit breaker 220kV double pressure type SF6 circuit breaker. to SF6 gas and thick film dielectric coated electrode composite insulation system as an object to study the insulating properties of high pressure areas. Japan is the use of SF6 gas more countries, in order to implement the "Kyoto Protocol" on SF6 gas emission reduction obligations, NEC Business Association, the Japanese electric industry to achieve this goal will be taken positive action.5kV) areas, use of non electrical SF6 and vacuum switchgear, high voltage (40. Currently, domestic enterprises can produce medium voltage (12kV), high voltage (40. In order to achieve reduction of SF6 gas emission targets, October 19, 2005, the power to run industry and electrical equipment manufacturing industry associations and Solvay Fluor GmbH (SF6 gas manufacturing) companies and the German Environment, Nature Conservation and Nuclear Reactor Safety for further provisions of the Federal Ministry of have reached a consensus on their own obligations.

4, in the equipment manufacturing and equipment maintenance during the use of advanced SF6 gas recovery unit, the recovery through a variety of filters to remove the SF6 gas in the water, oils, dust, and other elements resultant decomposition.5MPa (absolute), the only for 40 ?. By using thick film dielectric coated together, can achieve curb the size of the metal electrode effect caused by the breakdown electric field decline; can reduce the electrode space, the largest gas field, to achieve device miniaturization. Germany's high voltage switching equipment industry is also very well developed. Therefore, SF6 gas is a very strong greenhouse gases. In the "Eleventh Five Year" period made it clear that to fulfill the "Kyoto Protocol" obligation, so SF6 gas in other appliances, such as transformers, transformers, load switches, transmission pipelines, etc. Since 1979, China began to introduce, or with foreign countries to develop 72.

6, protection of atmospheric environment, and foster awareness of emission reduction. The application and development of SF6 gas into the atmosphere should be considered the emissions, the study of more environment friendly enterprises to adapt to the economic development programs.

China on May 29, 1998 signed the "Kyoto Protocol", August 30, 2002 formally approved the "Kyoto Protocol", although China has not provided herein emission reduction obligations, but experts predict that China's C02 emissions will soon overtake the U. SF6 gases in the atmosphere to survive life is 3200 years. as the world's first one, when the time will inevitably be to fulfill the "Kyoto Protocol" emission reduction provisions. So SF6 N2 is considered the preferred alternative to SF6 gas.

As the world power industry development, especially in recent years, China's sustained and rapid development of power industry in order to meet electricity demand, steady increase in grid construction and renovation, making the number of high voltage power transmission and transformation equipment, demand for an unprecedented growth, increased SF6 gas usage, but also an increase of SF6 gas into the atmosphere emissions.

  Aucun commentaire | Ecrire un nouveau commentaire Posté le 16-07-2018 à 05h32

 This means much better care for patients as the doctor Alerter l'administrateur Recommander à un ami Lien de l'article 

Today there are more than just the trusty old iPad available on the market as well. Many people are using them daily on their jobs.The doctor can walk around, tablet in hand and almost instantly have access to anything about the patient he may need to know.

This is a great advantage to many people. This means much better care for patients as the doctor is able to make decisions quicker now because they have more information.

These are starting to find their way into many industries as well. For example, in a doctors office, a Doctor will use one of these tablets instead of keeping the patients information on an old fashion paper chart. For some people a rental makes more sense than shelling out close to $500 or more. With the other big names in computing and mobile technology jumping on the bandwagon, there are many more options available to consumers today. The fact that people who may not of had access to one before, now has access to a tablet gives more people the chance to succeed. And people are taking advantage of them as well. Just as with the doctor, an auto mechanic for example can also have the same type of information available to them instantly should they need to look up information on a part or a vehicle. Because of this, the leader, Apple, is now seeing that there are iPad rentals available in some places where people are able to actually rent a tablet for a period of time.

The amount of information available will make everyone's job easier. Matter of fact, there almost seems to be more pads out there than laptops and notebooks. After the main players get their cut of the revenue, there is a pretty penny left over for the developer. Ipad rentals are going to be immensely popular.

With Internet access available on these tablets, a doctor for example can also have concrete reclaimer access to a database halfway across the country so that he can have prescription information at his fingertips instantly.Ipad Rentals Available In Many Locations It seems that today there are more and more pads out on the market. This will make many industries be able to react to changes much faster than before.

Given that these are a very popular device today, everyone wants to develop applications for them as well.99 to a hundred thousand users. Especially when they can develop and sell the application for $0.

This trend is starting to catch on in many places all over the country.99 or $1. While it may not be something that everybody knows about and takes advantage of, there are surely a fair amount of such offers available. The ability for everyone to afford these as well makes it better for more people. With a good application, one person can be set for life. There will be nothing that he will not be able to use at his request and have it instantly. And with the rent to buy option, anyone can now afford to purchase one of these tablets for themselves.

  Aucun commentaire | Ecrire un nouveau commentaire Posté le 11-07-2018 à 07h41

 There are many other ways in which a person can get rid of their older computers Alerter l'administrateur Recommander à un ami Lien de l'article 

The best thing about these companies is that they will actually come to the person's house to pick the items up.

There are so many companies that are more than willing to take old computers of off people's hands. The web is really the greatest marketplace on the earth because people typically have no trouble selling anything that they need to sell.

There are many other ways in which a person can get rid of their older computers.

In the spirit of giving an old PC to charity, some people might actually have kids that could really use the outdated machine. The first reason has to do with the fact that these type intelligent high pressure plunger pump of items are not good for the environment when they sit within a landfill. This is something that many people do not take the time to consider when throwing these things away. There is no reason at all why such an advanced machine should be left to deteriorate within a landfill.

It is now hoped that by taking such a closer look at the subject of computer recycling that more people are able to understand why this type of thing is so important.

Some people know a thing or two about how these type of machines are actually put together, and these people might be able to salvage an older machine for parts that could make their future machines even better..

It has already been mentioned that throwing any old PC away in the garbage is not a very good idea and there are two reasons for this. An older computer is likely to work more than fine for studying purposes. Any kid that is old enough to go to school is old enough to need such a tool. A device with an outdated processor might have plenty of RAM that is compatible with the new machine. Some people might know a family that could be in need of some type of PC yet they cannot afford one. Keep in mind that people pay plenty of money for RAM upgrades.

There are many people that update computers relatively quickly, and these people are likely to want to see some type of financial gain by selling off the system that they are replacing. There are certainly no shortage of websites that allow people to sell used things. This is much easier than having to drive to an electronics store drop off. The second reason has to do with the simple fact that throwing away any PC is simply a really big waste and also a shame. Some of them even pay money for these things, and many other companies do this as a type of donation. A lot of people simply throw old PCs away in their garbage when they are done. This type of gift might be considered outdated by the giver, yet the family receiving the device might be very glad to have it.A Much Closer Look At The Subject Of Computer Recycling This article is going to be taking a much closer look at the subject of computer recycling. Not only will this article examine why doing this is a bad idea, but it will also discuss some ways to properly get rid of older PCs. Kids in the world of today find that having access to a computer is a very good tool for assisting their study.

  Aucun commentaire | Ecrire un nouveau commentaire Posté le 09-07-2018 à 04h56

 This is preferable for medical and some hazardous waste material Alerter l'administrateur Recommander à un ami Lien de l'article 

This is preferable for medical and some hazardous waste material. An area is designated for the accumulation of such matter where it will break down in the earth over time. It involves deriving what can be derived from that used product, the proper collection and processing when there is something to be thrown away, and disposal that does not create adverse conditions as waste. If it can be recycled, it should be. For example, the heat from composting could be harnessed, or using the power of water which is used to clean recyclables could be tapped as energy and added to the grid. A few of the most common would begin with burying it in a landfill. That scraps bucket that your grandparents had was thrown back into the earth to fertilize the next crop. Toronto waste management has an approach that we can learn from. Often quarries, old mines, or pits are used to bury the waste as deep as possible in an existing hole in the ground. As the Markham recycle, filter press Manufacturers or recycling York Region - they are knowledgeable about these processes.

Another way to recycle is to pull out the energy that is the by-product of the material itself, the processing of the trash, or the disposal of it.

Composting is another way to reuse material such as rotten food matter.

Another type of disposal is incineration.An Overview Of What Toronto Waste Management Can Advise On Waste management is a bigger and more important topic than one might imagine. As the saying goes and that can apply also to preventing needless garbage whenever possible. This has obvious benefits. Reduction of an odor would be a plus.

Waste management encompasses a large topic and an important one for the health and well-being of people and other living things. The people at waste management Richmond Hill are other experts in the field to get more information about this. It is said that the garbage collector is more important for ones health and safety than a doctor is. This is accomplished by individual choices when shopping, purchasing take out products and reusing materials at home when feasible. If one needs to properly reuse or dispose of used materials, this knowledge is of importance. It can limit the exposure that others would experience in the area. This breaks down the vegetable matter quickly, creates heat and nourishes the garden and soil for another season.

When materials are used and need to be thrown away, the product may have another life depending on the material it is made of. What we do with the materials that we use when we are done with them involves good planning so that we prevent the needless trashing of something if possible.

When it is necessary to actually dispose of garbage, there are numerous ways to do it.. The benefits to this is that it greatly reduces the volume of material and kills germs. This is the burning of trash.

Of course, "An ounce of prevention is worth a pound of cure". Recyclables such as some plastics, cardboard, glass, and most metals such as steel, aluminum and copper can be returned to use and can earn money for the concerned citizen.

  Aucun commentaire | Ecrire un nouveau commentaire Posté le 06-07-2018 à 05h03

 Much of the material used to construct electronics Alerter l'administrateur Recommander à un ami Lien de l'article 

Much of the material used to construct electronics, including metal and plastic components, can be recycled into new items at a fraction of the cost and energy use needed to create things from new raw materials. Websites like Craigslist and Freecycle. Some municipalities may provide such services to area residents.

There are also some good alternatives to recycling your electronic waste. In some areas, annual collections are held once or twice a year as a means of disposing of electronic waste as well as used engine oil or other waste that is harmful to the environment.

The availability of electronic waste recycling programs varies from place to place.org are good places to list any usable items you would like to give away. However, these new toys and gadgets leave behind them a wake of outdated, unwanted contraptions. Freecycling, or passing on your unwanted items to those in need of them, is also a means of finding new homes for used items. Since some appliances, such as refrigerators, cannot be disposed of without costly removal of hazardous substances, this saves you not only time but money as well! Other retailers, like Best Buy, also offer electronic waste recycling programs to their customers.. For example, television tubes contain mercury, which is known to be extremely poisonous.

Electronic waste includes everything from empty printer ink cartridges to broken refrigerators.

There are many reasons why it is important to recycle electronic waste.What Is E-Waste, And How Do I Get Rid Of It? Modern technology provides us with many conveniences, from cell phones and laptop computers that make our entire lives portable to energy-efficient washers and dryers that use half the power and time to complete their tasks. As people purchase new items to replace aging electronics or make upgrades, more electronic waste is generated. Interested parties can contact you to ask any questions they may have about your items and to arrange picking up their new treasures. When properly recycled, electronic waste is stripped of all toxins and other harmful materials, which is then properly and safely disposed of. In some cases, such as 2009's switch from analog to digital television broadcasting in the United States, changes in technology are so great that old equipment may not even work at all with new systems. Because of these environmental concerns, many areas require by law that electronic waste be properly recycled. When purchasing new appliances that are being delivered, retailers like Sears often offer free removal of the appliance that is being replaced.

Electronic waste recycling helps preserve the environment by reducing the amount of toxic materials placed in landfills and salvaging recyclable components to save energy and other resources. Any items that are in working condition can be given to friends or donated to charities like Goodwill or the Salvation Army, who rely heavily on donations. Contact your local government officials or waste management companies for details on any e-waste recycling programs in your area. Additionally, the low-temperature drying equipment many electronics contain toxic substances that are harmful to the environment and could be catastrophic if leached into an area's groundwater.

  Aucun commentaire | Ecrire un nouveau commentaire Posté le 03-07-2018 à 04h12

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