Aluminum Foil Rolling Mill — Produce high-quality foils with high efficiency and low cost
As the requirements for aluminum foil output and quality continue to increase, the requirements for aluminum foil production equipment, such as aluminum strip and foils mill tools, are becoming more and more stringent. Today, rolling mills are required to produce foil products with a thickness of less than 6 microns and a width of more than 2 meters, and the speed should reach more than 2,000 meters per minute. In order to meet these requirements, the aluminum foil rolling mill is equipped with the most advanced high-speed rolling technology, and provides comprehensive process support, so that the rolling mill can be put into production at a record speed, and after changing the rolling mill settings, it can be produced from the first coil. The technical indicators of the qualified products for sale are better than the industry standards.
It’s a well-established question and one that we’ve been too afraid to ask our mothers: Should we use the shiny or the dull side of aluminum foil when we cook? And have we been doing it wrong this entire time?!
Concerned cooks, you can breathe a sigh of relief: As it turns out, there’s no “correct” side of aluminum foil to use when cooking so using it on either side is not one of the cooking mistakes that could ruin your food. According to the Huffington Post, they’re both equally effective at heating your food—so just choose whatever side you prefer.
If there’s no trick to it, then why, exactly, does aluminum foil have a shiny and a dull side in the first place? Experts at Reynold’s Kitchen say that the difference between the two sides is due to a manufacturing process called milling, during which heat and tension is applied to stretch and shape the foil. Two layers of foil are pressed together and milled at the same time, because otherwise, it would break.
“Where the foil is in contact with another layer, that’s the ‘dull’ side,” Reynold’s explains. “The ‘shiny’ side is the side milled without being in contact with another sheet of metal. The performance of the foil is the same, whichever side you use.”
But pay attention if you are using non-stick foil; in that case, there is a difference between the two sides. Since the non-stick coating is only applied to one side, you’ll want to use the dull side. Side note: There will be a label that designates the “non-stick side” in case you forget.
However, aluminum foil could pose a serious risk to your health—so maybe you should stop cooking with it altogether.
Aluminum foil might be one of our favorite inventions ever. Whether we're grilling up some fresh veggies in a neatly-wrapped parcel or folding a leftover slice of pizza to save for later, it's the perfect solution to pretty much any kitchen situation. Seriously, our list of uses for this shiny staple is endless.
We noticed that the handy tool comes with two distinct sides: a shiny, reflective side and a dull, matte side. That got us thinking. Is there a purpose behind the two different textures? Should we be using different sides for certain reasons? Have we been doing everything wrong for years?!
"Regardless of the side, both sides do the same job cooking, freezing and storing food," Mike Mazza, marketing director for Reynolds Wrap, told TODAY Home via email. "It makes no difference which side of the foil you use unless you're using Reynolds Wrap Non-Stick Aluminum Foil."
Non-Stick foil actually has a protective coating on one side, so the company recommends only placing food on the side marked "non-stick" for maximum efficiency.
Aluminum foil, or tin foil, is a paper-thin, shiny sheet of aluminum metal. It’s made by rolling large slabs of aluminum until they are less than 0.2 mm thick.
It’s used industrially for a variety of purposes, including packing, insulation and transportation. It’s also widely available in grocery stores for household use.
At home, people use aluminum foil for food storage, to cover baking surfaces and to wrap foods, such as meats, to prevent them from losing moisture while cooking.
People may also use aluminum foil to wrap and protect more delicate foods, like vegetables, when grilling them.
Lastly, it can be used to line grill trays to keep things tidy and for scrubbing pans or grill grates to remove stubborn stains and residue.
Aluminum is one of the most abundant metals on earth.
In its natural state, it is bound to other elements like phosphate and sulfate in soil, rocks and clay.
However, it’s also found in small amounts in the air, water and in your food.
In fact, it’s naturally occurring in most foods, including fruits, vegetables, meats, fish, grains and dairy products.
Some foods, such as tea leaves, mushrooms, spinach and radishes, are also more likely to absorb and accumulate aluminum than other foods.
Additionally, some of the aluminum you eat comes from processed food additives, such as preservatives, coloring agents, anti-caking agents and thickeners.
Note that commercially produced foods containing food additives may contain more aluminum than home-cooked foods.
The actual amount of aluminum present in the food you eat depends largely on the following factors:
Absorption: How readily a food absorbs and holds on to aluminum
Soil: The aluminum content of the soil the food was grown in
Packaging: If the food has been packaged and stored in aluminum packaging
Additives: Whether the food has had certain additives added during processing
Aluminum is also ingested through medications that have a high aluminum content, like antacids.
Regardless, the aluminum content of food and medication isn’t considered to be a problem, as only a tiny amount of the aluminum you ingest is actually absorbed.
The rest is passed in your feces. Furthermore, in healthy people, absorbed aluminum is later excreted in your urine.
Generally, the small amount of aluminum you ingest daily is considered safe
Seamless steel pipe production line is mainly single-chain type cooling bed cooling bed, a double-stranded cooling bed, the new chain cooling bed, stepping rack cooling bed, screw-type cooling bed.
1, single-chain cooling bed
More use of single-chain cooling bed climbing structure. Cooling bed and fixed by the forward rail transport chain composed of a set of transmission. Placed between two steel dial grip forward transport chain, fixed steel rails bear the weight of the body. Single chain cooling bed transport chain finger means of the forward thrust friction of the steel pipe and the fixed rail to generate rotary motion, while relying on the weight of steel and the angle of lift, the steel pipe is always abutted against the forward transport chain finger, achieve a smooth pipe rotation.
2, double-stranded cooling bed
Duplexes cooling bed transport chain from the forward and reverse transport chains, positive and negative chain of transmission of each set. Placed between two steel dial grip forward transport chain, the reverse chain bear weight steel body. Duplexes cooling bed transport chain use the forward thrust of the steel pipe pulling claw run forward, using the inverse chain steel pipe friction generated continuous rotary motion. Reverse chain movement also makes steel always leaning forward transport chain, finger, smooth rotation and uniform cooling.
3, the new chain cooling bed
A combination of single-stranded and double-stranded cooling bed features cooling bed, cooling bed into the uphill sections and downhill sections. The uphill sections of the transport chain by the forward and reverse transport chain consisting of a double-stranded structure, positive and negative together to make steel continues to rotate forward, doing sport climbing. Downhill section of the forward transport chain and single-stranded structures arranged in parallel steel rails, relying on weight to achieve rotation, do landslide movement.
4, stepping rack cooling bed
Stepping rack cooling bed bed composed by two racks, assembled in a fixed beam, called static rack, another assembly in moving the beam, called the move a rack. L The agency action, moving the pipe rack will hold up the rise, due to an inclined angle, steel rolling when it is lifted once along the tooth. Move up to the highest gear position, stepping body movements so that the moving direction of the rack to the cooling bed one step away from the output. Lifting mechanism continues to operate, drive and move the rack dropped into a given rack alveolar steel, steel toothed rack along a fixed rolling once again, after moving back to the initial position of the rack, complete a cycle.
5. Screw the cooling bed
Main drive screw is cooled by means of the screw and fix the cooling of the gantry and other components, the screw including a screw rod and screw helix. Face fixed cooling gantry above the spiral rod above and below the spiral, steel body weight is borne by the fixed cooling stand. Main drive screw driven synchronous rotation, spiral screw driven steel roll forward on the fixed bench cooling, cooling. Single chain does not fit the cooling bed continuous operation, better cooling bed duplexes, the new cooling bed chain effect and low cost, stepping rack cooling bed is generally used in large or high profile production line, screw-type cooling bed are generally smaller diameter seamless steel pipe for cooling.
Heat treatment services for stainless steel and metal alloys
Solution annealing (also referred to as solution treating) is a common heat-treatment process for many different families of metals. Stainless steels, aluminum alloys, nickel-based superalloys, titanium alloys, and some copper-based alloys all may require solution annealing.
The purpose of solution annealing is to dissolve any precipitates present in the material, and transform the material at the solution annealing temperature into a single phase structure. At the end of the solution annealing process, the material is rapidly quenched down to room temperature to avoid any precipitation from occurring during cooling through lower temperature ranges. The single phase solution annealed material will be in a soft state after treatment.
The solution annealing treatment is required prior age hardening / precipitation hardening. The single phase microstructure created during solution annealing is required prior to age hardening, such that only the precipitates formed during age hardening will be present in the final product. The composition, size, and quantities of those precipitates formed during aging will determine the final product's hardness, strength, and mechanical properties after aging. It is critical that the structure be properly solution treated prior to aging in order to meet all of these requirements.
High-quality solution heat treatment
We recognize how important it is to our clients that the finished product we create demonstrates exceptional quality, and purity. To achieve this goal, we have invested heavily in our machinery, as well as implemented rigorous quality-control standards that ensure your work is completed to the very highest standard at every stage of solution heat treating. Our experienced team is able to successfully undertake heat treatment solution on a wide-variety of projects.
Definition of Cast Roll and Forged Roll
We will introduce cast roll and forged roll.
Forged rolls offer outstanding internal and surface soundness and meet customers’ requirements for strength, hardness, and reliability. Manufacturer produces forged rolls on advanced liquid forging hydraulic presses and heat treat by means of double and progressive induction to guarantee that our products have excellent levels of chemical pureness, solid metallurgic structure, and high resistance. The Reinosa steel plant’s latest developments in forged back-up rolls produces a superior product compared to cast back-up rolls. The structural homogeneity of forged rolls enables optimal performance in the mill.
The twin-roll plate casti roll is not completely equivalent to the roll on the twin-roll plate and strip casting machine. It is a deformation tool and also functions as a water-cooled crystallizer in the process of casting the roll. When working, the outer surface of the roll sleeve of the casting roll is in contact with the hot molten metal, and the inside of the roll sleeve is washed by powerful cooling water to quickly take away a large amount of heat, and there is a strong heat exchange between them. Casting rolls not only bear the rolling pressure of deformed metal, but also bear huge heat exchange stress. Therefore, special requirements are put forward for the cast roll sleeve material and the cast roll structure. The selected roll sleeve material can withstand the alternating heat. Load, have sufficient heat transfer capacity, do not chemically react with molten metal, and have sufficient strength and rigidity to ensure the smooth progress of the casting and rolling process.
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