You can use Deli coffee special basket,then all coffee grounds will be loaded into the basket,you lift up the basket then dump the spent coffee grounds.

For larger coffee extraction machine,will use motorized plows to push out the spent coffee grounds.

Deli Machinery is able to offer you both,we can supply you the turnkey solution,you also can prepare the heat exchanger by yourself.

At least need two different filtration stages for the set up,one is coarse filtration,another is fine filtration.

Yes,the extraction temperature and agitation speed rate is adjustable.

Yes,the extraction time is adjustable,and the extraction temperature is adjustable as well.

Yes,Deli brew coffee machine is designed for roasted and grounds coffee,the coffee beans have to be roasted and grinded in advance by roaster and grinder.

Yes,Deli brew coffee system does.

Nitrogen is beneficial for coffee extraction and coffee storage and filling or packing process.

It offers fresh preservation and anti-oxidation.

For traditional cold brew,typically 12-24hours.

But for Rapid Faster Cold brew machine,it only needs about 45 minutes to 6 hours.

Inject nitrogen gas into the extraction is to remove the air(oxygen) and avoid oxidation to retain the flavor and extend the shelf time.

After finished coffee extraction,if you inject the nitro gas into the coffee liquid,then you can make nitro cold brew.

Yes,we can do it for you,you can just pick up the coffee extraction system only.

Different sizes of cold brew machines,then the sizes of coffee baskets are different as well.Different ratio of coffee and water,then the net weight of wet coffee grounds inside of basket are different as well.

Pls contact Deli Machinery for more information.