insulation paper

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Specifications

insulation paper
1.light weight
2.good uniformity
3.low thermal conductivity
4.large thermal contact resist

insulation paper

The ordinary cryogenic insulation paper(incompatibility with oxygen):

Ordinary cryogenic insulation paper is made of a special process with high quality chemical fiber, usually compositely used with aluminum foil or single (double)aluminized polyester film. It is used in the storage container of cryogenic liquid(liquid helium, liquid nitrogen and liquid argon) and also used in dry ice storage vessels. Its advantage are lightweight, good uniformity, low thermal conductivity, large thermal contact resistance, low outgassing rate in vacuum. This product can be applied in a wide temperature range:-269°C-190°C.

Specification

Item	Unit	Index
Weight	g/m2	10±2.0
Thickness	mm	≤0.06
Tensile Strength	KN/m	≥0.06
Moisture	%	≤12
Thermal Conductivity	w/mk	≤1.35*10-4

Q: Why can't a gas stove use natural gas?: Can a, natural gas is a by-product of oil, is from the ground hit out, the main component is methane. Coal gas is a byproduct of Coking (coke, steel making), which is artificially refined. They don't burn each other.Need to remind the natural gas pressure is 2800 PA, pipeline gas pressure is 2000 PA. Pipeline gas stove can be changed into natural gas stove. This process needs to be able to change the nozzle and the fire cover of the stove. Everything else is settled by the gas company. As long as the change is not dangerous after, but if you do not change the pipeline gas stove to burn natural gas is very dangerous. When I go to work in the Nanjing gas company we have done such an experiment, gas flame can reach 2 meters high with no changes to the stove. But if the stove is changed, there is no danger. The best gas connections are also made of metal.

Q: For the development trend of natural gas? And cognitive level: why do people have a great deal of knowledge about natural gas?: Because of the high calorific value of natural gas and less pollution to the environment, it is considered to be a clean fuel. With the development of the world economy, the impact of the oil crisis and the environmental pollution caused by coal and oil are becoming more and more serious. Natural gas has a very promising future for combined power generation, cooling and heating, fuel cells, and so on. Our country is rich in natural gas resources, according to incomplete statistics, the amount of resources is about 3.8 * 1013m3. In recent years, China has made great progress in exploration, development and utilization.

Q: Does the electronic ignition gas stove need the battery?If the battery needs to be replaced?If you do not need a battery, that is what the principle of ignition, has been able to use it?: Electronic ignition cooker for desktop, it is through the electronic ignition block ignition assembly embedded, ignition times can use tens of thousands of times, generally ten years no problem, said a lighter ignition principle is simple in principle as usually used.

Q: How does the conversion of natural gas from cubic to ton? Do you need the same data as density or pressure?: Conversion methods are as follows:Standard cubic meters of natural gas refers to 1 atmospheric pressure, when the 1 cubic meters of 20 degrees CelsiusUnder this condition, any 22.4 liter of gas contains one mole (6.02 x 10^23) moleculesOne cubic meter is 1000 litresThe main component of natural gas is methane, molecular weight of 16, a molecular weight of methane is equal to about 16 hydrogen atoms, is about equal to the quality of the 16 protonsProton mass of 1.6726231 x 10^-27 kgTherefore, the quality of a cubic meter of natural gas:1.6726231 * (10^-27) * 16 * 6.02 * (10^23) * 1000 / 22.4=0.7192 kg

Q: The future development of the natural gas industry: Development trend of world natural gas industry1, the natural gas industry as a sunrise industry has a huge space for developmentWith the rapid development of the world economy, the rapid increase in population, energy consumption continues to grow, greenhouse gases and a variety of harmful substances emissions surge, the human living environment has been greatly challenged. In this situation, clean, high calorific value of natural gas energy is getting more and more attention, the development of natural gas industry has become the world's best choice to improve the environment and promote sustainable economic development. The greenhouse gas produced by the combustion of natural gas is only 1 / 2 of the coal, and the oil is about 2 / 3. The gas calorific value is 3000 Duodaka, while the calorific value of natural gas up to 8500 calories, the natural gas is a kind of efficient and clean energy.

Q: The book is written in natural gas is colorless and odorless non-toxic gasHow do I smell the gas?And smell the dizziness is not toxic?Why write the book?: 2 people out. 3 gas water heater to install the flue, and can not be installed in the bathroom, such as non ventilated environment 4 to use the gas to close the valve, the long-term use of the main valve to close the room. 5 regularly on the domestic gas pipeline leak detection (detection method: with mineral water bottles into the detergent with water, where a small hole in the bottle cap, the dilution of the cleaning water to get the location of the need to check. Note, and can not be used to open fire) if there is a leak in the pipeline will continue to emerge. 6 once the leak, shut down the total indoor valve, open the window, and can not be opened to produce electric spark electric bulb and so on, in the outdoor balcony, good ventilation place to the local department of gas gas repair telephone!

Q: What kind of gas stove is better?: According to the overall design and use of the kitchen to choose different forms of gas stoves. At present, our country mainly has two kinds of gas stove. The utility model has the advantages that the whole stove body is arranged on the supporting surface, the advantage of the table type cooker is in the igniter, the ignition is strong, the sound crisp igniter can ensure the success rate and the service life of the stove ignition. In addition, the burner stove and distributor is the desktop need to be carefully selected, after anti rust treatment furnace head and forging copper distributor, can guarantee the combustion efficiency and longer service life; the stove body is embedded into the supporting surface, can make the kitchen look more beautiful and concise, lively, high-grade easy to clean, in line with the aesthetics of modern home decoration. Followed by a thin type and with oven or disinfection type gas stove.

Q: How many cubic meters of gas does a ton of steam boiler produce a ton of steam: Of course, the quality of the combustion engine is also the most important, good energy saving gas, boiler quality is the main factor of gas steam boiler 1 tons per ton of steam consumption;

Q: Natural gas toxic how should pay attention to: First of all, you need to know the difference between gas and natural gas.The main component of natural gas is methane and hydrogen, colorless, tasteless, high calorific value, full combustion, no impurities. Liquefied petroleum gas is the main component of four carbon below the hydrocarbon, colorless, tasteless, calorific value lower than natural gas, there are certain impurities. For a long time the use of liquefied petroleum gas kitchen cooking utensils, cooking stoves appear to have a layer of oil, which is liquefied petroleum gas combustion emitted by some of the organic matter. Coal gas is mainly produced by coking gas, it is the main component of carbon monoxide, but also contains a small amount of hydrogen, such as methane, although it is colorless, tasteless, then, why the toxic gas?

Q: Water heater is good or natural gas: Gas water heater and electric water heater. No matter what kind of water heater to buy, we must understand the use of common sense, so that not only can protect their own and family safety, but also to extend the service life of the water heater

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