90% Automatic Furnace with Infinite Fuel and Simple Shulker Unloader

What does it offer?

It has 192 furnaces which allows smelting a shulker in about 3 minutes. By using a carpet duplicator, you don't need to farm anything to get coal or lava. The only detail is that you have to turn on the duplicator and wait for the furnaces to fill.

How do I make it work?

First, you must turn on the carpet duplicator. In the left input section, there is a lever.
In the input section, there is a chest that contains 9 minecarts with hoppers. You need to take the 9 and put them on the powered rail pointing to the rail (Use the hitbox if you can't place the 9).
Once the 9 minecarts with hoppers are placed, the shulker with the material to be burned is placed in the chest above.
Wait a few seconds (about 7 seconds +/-) for the hoppers to absorb all the items from the shulker.
Press the button.
Wait for it to finish and you will have the same shulker with the burned items in the furnace.

What are the mechanics behind the project?

The idea is a basic shulker unloader (do not put more than one in the chest, as it does not have a locker yet, otherwise it might break) in 9 minecarts with hoppers stacked on the same rail. Once the rail is activated, it sends the minecarts directly to the lava cauldron, which breaks the minecarts and separates the items from the minecarts themselves. The minecarts return to the chest and the items go to a 16x system using stacked minecarts (Trick learned from RubikYT).

Furnace Loading System

The furnace loading system has 2 minecarts and 3 different systems.

Side Comparator.

Once the minecart has 1 item, it emits a redstone signal that is delayed with repeaters and activates the piston that opens the gate, allowing the minecart to exit. This system can be expanded with more repeaters along the way to extend the timing.

Full Inventory Control

When the minecart is full (320 items), it emits a signal of 15 intensity through the back comparator. This signal uses an AND gate and once both minecarts are full, a signal is activated that pushes another piston and activates both gate doors. This system can only be used if the previous one is disabled, you can remove a repeater from each side and that's it. Also, it has a problem, if the materials don't manage to fill the minecarts, they won't go out to distribute the items.

Manual Opening

The system has a third piston with a lever that permanently opens the gate doors and allows the minecarts to collect for a few seconds while they bounce and return (You can use this to finish emptying if you used the Full Inventory Control method)

Use of Storage

The shulker is not lost as in other mechanisms that destroy the shulker to empty it into the water current, this shulker breaks when you press the button and is sent to a dropper. That dropper sends it through a water current to the output of the furnaces, where a dispenser places it on the central block, allowing a shulker charge x3 (Top, Left and Right). Once the items are finished smelting, when the shulker is full, the front piston is activated, which sends it to an automatic dropper that sends it back to the main panel to the chest under the player.

Improvements

The system is completely improvable, add decoration, improve the fuel loading system, etc. It's my first redstone mechanism at this level and it's totally exhausting to achieve since all absorption methods use more than 8 minecarts and sometimes it's a disaster to place them without breaking anything.