cryogenic thermo-insulation material

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Specifications

cryogenic thermo-insulation material
1.light weight
2.good uniformity
3.low thermal conductivity

cryogenic thermo-insulation material

Cryogenic insulation paper/radiation shield compositions:

Cryogenic insulation paper(P paper/Z paper)/aluminum foil(or aluminized polyester film) compositions are laminated of Cryogenic insulation paper and aluminum foil(or aluminized polyester film).These products can be wrapped to the cryogenic inner tank directly and no need to composite by user. Therefore ,it can effectively reduce the waste of material and hugely increases efficiency. The width varies from 40mm to 1800mm.

Specification

technical specification	aluminum foil	aluminized polyester film
condition	anneal	vcauum aluminizing
Thickness	0.0065	0.012
surface oiliness	without oil, not less than calss B on brush water test	No oil
Harmful Element(%)	Pb<0.01 Cd<0.01 As<0.01	/
Width	30-1780	30-1780

Q: For example, 5000NM3/H of natural gas into the quality should be how to calculate,: The above algorithm is more accurate, but too cumbersomeI can introduce a simple estimation method for any gas, but not very accurateIt is known that the molecular weight of water molecules is 18 and the density is about 1 kg / LUsually converted to liquid or solid gas and gas that is at 20 degrees and a standard atmospheric pressure, the volume of about more than 1000 times, and specific to the water is about 1200 times. It is in 20 degrees, a standard pressure water vapor volume of 1.2 cubic meters.This 1.2 cubic meters of water vapor is from a liter of water (a kilogram) to change, so the water vapor density: 0.8333 kg / cubic meterThe density of natural gas:Molecular water vapor density * gas molecular weight, the amount of water=0.8333 * 16 18=0.7407 / kg / m3

Q: There is a gas range, not connected to natural gas. Put a jar inside. Just like the lighter gas, what's the name of the gas stove?: You say this is not the case, this is a portable gas stove

Q: How much gas to burn 1 tons 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;Per cubic meter of natural gas calorific value of 9000 kcal;Boiler thermal efficiency 0.91;It can be concluded that the boiler heat transfer index is 0.91x9000=8190,By 600000/8190=73.000,In other words, in theory, every ton of water vapor, need to consume about 70-75 square gas

Q: Natural gas can not be renewable: 3, the development and utilization of renewable energy is an important measure to build a new socialist countryside. Is the current rural economic and social development of our country's weakest area, energy infrastructure, the country there are about 11 million 500 thousand people without power supply, many rural energy still relies on the direct combustion of straw, firewood and other biomass inefficient provided by traditional methods. Rural areas rich in renewable energy resources, accelerate the development and utilization of renewable energy, one can use local resources, to solve problems in remote areas of the power supply and the living of rural residents, on the other hand can convert biomass resources in rural areas for goods energy, renewable energy has become the rural characteristic industry, effectively extend the agricultural industrial chain, to improve agricultural efficiency, increase farmers' income, improve the rural environment, and promote sustainable economic and social development in rural areas.

Q: Door to door: right (North) 280 degrees west, left (South) west of the west, the middle side of the door west of 268 degrees, Balcony: right (West) south of 172 degrees, left (East) south of 158 degrees, the floor of the south side of the glass in the middle of the 162 degrees: Into the door to the west to 280 degrees, the position of gas stove and put it right

Q: In addition to the wind, but also what conditions?When you wake up, inhaling gas will be uncomfortable?: The composition of the gas in the air and the influence of the human bodyAnd it will happen if it is not ventilated5~10 minute coma10~15 minute shock15~30 minutes of heart failure, brain death

Q: Do you have anything to do with gas?: Liquefied petroleum gas production enterprises, the general will add some chemical additives during filling. In addition, more importantly, originally the liquefied petroleum gas is colorless and odorless gas, but in order to allow people to timely find whether the improper use of liquefied petroleum gas in the liquefied gas leak, the oil inside added toxic gases a rotten egg smell of hydrogen sulfide.

Q: Is it okay to turn off the gas stove after using the gas?: 2, regular replacement hose. According to the relevant provisions of the gas safety management and technical specifications, should be replaced every two years hose. Due to the quality of various brands of rubber hose, in order to the user's own safety, it is recommended to replace the hose once a year, the user should be aware of this point. The following points should be paid attention to when replacing the hose:(1) when the hose is connected, a special air nozzle joint shall be used, and then the throat code is used to fasten the hose.(2) hose length should be less than 2 meters. Hose shall not produce bending, stretching, foot and other phenomena. Cracked, aging hose shall not be used.(3) hoses shall not be installed in the following locations: where there is a flame and radiant heat. Hose, not across the windows, put off the wall using the house.

Q: What are the uses of natural gas?: Natural gas is stored in underground porous rock, the main component of methane, the proportion of 0.65, lighter than air, with colorless, tasteless, non-toxic characteristics. Natural gas companies are in accordance with the provisions of the government to add odor agent (four thiophene), in order to sniff the user identification.If the concentration of natural gas in the air in the range of 5% to 15%, in case of open flame can occur, the concentration range is the explosion limit of natural gas. The explosion in a short time to produce high pressure, high temperature, its destructive power and risk are great. According to the state of natural gas reserves, it can be divided into three types: structural natural gas, water soluble natural gas and coal gas. The structure of natural gas can be divided into crude oil produced by the wet natural gas, and does not contain liquid components of dry natural gas.

Q: Natural gas toxic how should pay attention to: So, natural gas and liquefied petroleum gas is absolutely safe? Otherwise, carbon monoxide poisoning can occur if it is not used properly, because the gas is oxidized during combustion. When in a closed room, excessive consumption of oxygen, the gas will not burn completely, resulting in carbon monoxide poisoning. Therefore, the use of any gas should pay attention to ventilation, to prevent poisoning.

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