Stainless steel inner liner solid wood barrel during the aging of wine, the compound substances such as tannin, vanillin, oak lactone and eugenol in the barrel will dissolve in the wine. These substances can make the wine more stable in color, softer in taste and more coordinated in aroma. In addition, the solid wood barrel wall can improve the clarity of wine because of its permeability. In the process of aging wine in stainless steel inner liner solid wood barrel, the above compounds will change over time. In fact, the contribution of solid wood barrel of different ages to wine is different. For wine, the beneficial ingredients and aroma contained in the old solid wood barrel are much less than those in the new solid wood barrel. Generally speaking, solid wood barrels can store wine for five to six years.
Manufacturing steps of solid wood wine barrel with stainless steel liner:
The first step is to cut the removed wood into pieces. When cutting with a hacksaw, most of the growth rings and fibers of the wood will be destroyed. Therefore, in the manufacturing process of the first step, it must be cut with an artificial axe and finely ground into a flat wood plate, which is the basis for manufacturing bulk wine barrels; The second step is to dry the wood for a long time. Oak chips must be placed outdoors before making. This process is mainly to increase the waterproof of oak and weaken the astringency of tannins; The third step is to combine the oak pieces. Cut the dried oak into pieces with wide middle and small ends. Generally, 32 pieces of oak pieces are required when making a barrel, and fix the oak with iron bars; The fourth step is a crucial step, like heating and fumigation in wooden barrels. By heating the oak, the oak can leave a smoky taste, which will make the soaked wine have the aroma of almond and bread; The fifth step of inspection is to seal the lid of the bulk wine wooden wine barrel for inspection. After passing the inspection, the bulk wine wooden wine barrel can be artistically processed and put into the market.
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