Question 1

How are the spent coffee grounds removed from the coffee extraction tank after extraction?

Accepted Answer

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.

Question 2

Are the filtration units and heat exchanger included in the coffee extraction system,or would they need to be purchased separately?

Accepted Answer

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

Question 3

The filtration stages would you recommend before transferring it to the blending tank?

Accepted Answer

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

Question 4

Can the extraction temperature and agitation parameters also be adjusted?

Accepted Answer

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

Question 5

Is it possible to adjust the extraction time depending on our process requirements?

Accepted Answer

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

Question 6

Is Delic coffee extraction tank designed to work with roasted and ground coffee?

Accepted Answer

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.

Question 7

Is the extraction time fully adjustable by the operator,and can the VFD circulation pump run continuously during the selected extraction time?

Accepted Answer

Yes,Deli brew coffee system does.

Question 8

Is the nitrogen important with extraction tank ?or its good only for the holding tank ? Is the generated nitrogen suitable for direct contact with RTD cold brew coffee?

Accepted Answer

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

It offers fresh preservation and anti-oxidation.

Question 9

What is the Rapid Faster Cold Brew Extraction System?

Accepted Answer

For traditional cold brew,typically 12-24hours.

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

Question 10

What are the benefits if inject nitrogen gas during cold brew process?

Accepted Answer

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.

Question 11

Can I Transfer The Finished Cold Brew Directly Go Into Kegs? Can i Don’t Need The Holding Tank For Storage,Blending Or Nitro Infusion?

Accepted Answer

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

Question 12

After brewing or extraction,approximately how heavy is the coffee basket with the wet coffee grounds inside,and can one person remove it easily?

Accepted Answer

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.

Question 13

What is the Deli brand special coffee basket, how it is loaded and removed?

Accepted Answer

Please visit www.brewcoffeesystem.com and contact Deli Machinery

Question 14

Is it difficult to remove the spent coffee grounds from Deli cold brew machine?

Accepted Answer

It is very important for you that the Deli cold brew machine is easy to clean and that the used coffee grounds can be removed quickly and easily after every batch.

Deli Machinery is able to provide you the photos and videos that showing the inside of the machine,the filter system,coffee-ground removal.

Question 15

Can the same cold brew machine also perform traditional 12–24 hours cold extraction if we prefer the flavor from a slower extraction?

Accepted Answer

Yes,Deli brew coffee machine not only allows you to do rapid acceleration cold extraction process,but also allows you to do traditional cold brew extraction 12-24hours.

Question 16

How the rake/plow system assists with spent-coffee grounds removal?

Accepted Answer

Reverse the motorized plows,it will push out the spent coffee grounds automatically.

Question 17

Can the finished filtered cold brew be drained directly from the cold brew machine into another tank or coffee storage kegs?

Accepted Answer

The finished filtered cold brew coffee can be transferred to holding tank or storage tank or blending tank or your kegs directly.

Question 18

How is the inside of the coffee brewing tank cleaned after each batch? Does it have a CIP cleaning system,spray ball,or other cleaning system in cold brew machine? Does the tank include an internal CIP spray ball, or is an external CIP system required?

Accepted Answer

The best solution to clean the tanks is by CIP cleaning system,but if you don’t have the CIP in hand,you can clean by hands to instead,but for larger cold brew machine,we suggest to take a CIP cleaning system.

Yes,each coffee tank with CIP spray ball,but you have to buy CIP cleaning system in addition.

Question 19

After coffee brewing,how are the used coffee grounds removed from the cold brew machine? Is the coffee filter/basket removable?

Accepted Answer

For Deli smaller brew coffee system,we are using the Deli special coffee basket,easy to load the coffee grounds and easy to remove the spent coffee grounds as well.

For Deli larger brew coffee system,we are using the motorized plows to push out the spent coffee grounds.

Yes,all filters/basket are removable.

Question 20

What Type Of Filtration System Does The Cold Brew Machine Use?

Accepted Answer

For Deli smaller brew coffee system,we are using stainless steel Deli special basket,plus wedge wire false bottom,plus two more exterior filters again,so totally 4 filters built in Deli smaller brew coffee machine,all filters are stainless steel and reusable.

For Deli larger brew coffee system,we are using stainless steel wedge wire false bottom,plus two more exterior large multi-bags filters again,so totally 3 filters built in Deli larger brew coffee machine,all filters are stainless steel,exterior large multi bags filters with reusable bags.

Question 21

How Is The Ground Coffee Held Inside The Tank During Brewing?

Accepted Answer

Deli brew coffee system offers you two solutions:

One is use DELI special coffee basket to hold the coffee grounds,by this method,the basket works as the first filter,and the basket is very helpful after you finished the extraction,you can remove the spent coffee grounds very easily and quickly.

Another one is stainless steel wedge wire false bottom to support and hold coffee grounds.

If you get Deli brew coffee system,then you have the above two solutions at the same time.

Question 22

What are the differences between iced coffee and cold brew coffee?

Accepted Answer

Iced coffee is made by first brewing with hot water and then cooling it down; while cold brew coffee is made by soaking coffee grounds in cold water for several hours. Cold brew coffee has a smoother texture, lower acidity, and often higher caffeine content. It is also considered a higher-quality, distinctive style of beverage, which enables many businesses to charge a higher price for each drink.

Question 23

How does cold brew coffee attract consumers who prioritize health?

Accepted Answer

Cold brew coffee naturally has a low sugar content, lower acidity than hot coffee, and is usually consumed in its original flavor. This makes it a popular choice among health-conscious individuals. It also contains natural caffeine and antioxidants, which appeal to those seeking pure energy without the addition of other ingredients.

Question 24

Why is social media so crucial for promoting commercial cold-brew coffee?

Accepted Answer

As a beverage, cold-brew coffee is usually more favored by the younger generation, and this group is also the most active on social media. Therefore, this provides opportunities to showcase your cold-brew coffee to passionate audiences, create viral content, stay in line with trends, or collaborate with celebrities.

Question 25

How can enterprises meet the growing demand for commercial cold-brew coffee?

Accepted Answer

Firstly, you need to find equipment that can help you increase the production speed of cold-brew coffee without compromising on quality. Deli Machinery Company achieved this by implementing continuous stirring, reducing the production time for a single brew to less than one hour. As a result, you can quickly respond to higher demands or busy days.

Question 26

What are the consumer trends behind commercial cold brew?

Accepted Answer

The main trends that have led to the increased popularity of cold brew coffee are health and quality. Cold brew coffee is generally regarded as having lower acidity and a smoother taste than hot coffee, and it usually does not contain milk or sugar. It is also considered a "premium" drink and is more attractive to consumers with more discerning tastes.

Question 27

How can I be your distributor?

Accepted Answer

You can contact us for more details.

Question 28

How can I buy from you? What are the steps? Can you ship to my door?

Accepted Answer

Simply tell us what kind of system you are looking for, then we will guide you the correct system accordingly.
You will get a response from our Technical sales team within 24hours, your inquiry will be handled carefully by our Technical sales who will understand your needs and can guide you every step of the way.
After we get and clear all your requirements, we will offer you an official quote, if you are decide to order, we will send the invoice to you to begin.
Yes, we can ship to your door(some of countries and regions only), anyway please send us your detailed shipping address with postal code, we will check accordingly. If we can not ship to your door, we can ship to your sea port.

Question 29

How is your warranty?

Accepted Answer

18 Months for Main Tanks, 1 year for electrical devices;
The warranty period starts from the receipt of the goods(Since/after receive the goods);
(Not Include Human Reasons, Not include quick-wear parts), Life-time aftersales service;

Question 30

Is the Wenzhou Deli Cold brew coffee system(We called CBCS) airtighted, pressurized?

Accepted Answer

We have atmospheric pressure model and pressurized model available for you to choose.

Question 31

What is the main advantage of the Wenzhou Deli Cold brew coffee system(We called CBCS) compared to traditional cold brew methods?

Accepted Answer

Our CBCS systems use patented accelerated cold extraction, delivering consistent cold brew in just one hour versus up to 24 hours with traditional steeping. This ensures faster production, higher efficiency and fresher beverages. And our CBCS system is a versatile and hybrid brewing machine, it can brew many kinds of cold brew drinks.

Question 32

Does the Wenzhou Deli Cold brew coffee system(We called CBCS) need too much physical space?

Accepted Answer

No, it's a compact cold brew equipment with smaller footprint.

Question 33

What kind of water filtration should I use?

Accepted Answer

Use the same filtration system you would for an espresso machine or batch brewer, RO water filtration system is recommended.

Question 34

Why is the Wenzhou Deli Cold brew coffee system(We called CBCS) so fast?

Accepted Answer

Our CBCS system uses patented accelerated cold extraction technology with inner recirculation that constantly agitates the ingredients for a high extraction yield in just one hour—much faster than traditional methods.

Question 35

How much cold brew can I make in one batch?

Accepted Answer

You can brew up to from 50L to 5000L per batch. A working day can brew about 4 batches at a working day.

Question 36

Do I need disposable filters?

Accepted Answer

For the first filter-wedge wire false bottom
Typicall we are using 200micron as the filter rating in the extraction tank,we are using premium stainless steel wedge wire false bottom with the V-shape design that prevents clogging and promotes efficient liquid flow,this allows liquid to pass through the false bottom easily without trapping solid particles that easily fall through the widening gaps instead of getting wedged.
Generally speaking,the first filter is permanent lifespan - unless damaged by human factors (such as vacuum pressure damage it)
You just need to clean the first filter will be ok after each batch brewing.
For smaller system less than 500L,you can use water gun to clean it,of course the first filter is detachable.
For larger system more than 500L,we design and set up bottom cip balls cleaning under the first filter,you are able to clean it by using pump from bottom flushing,or by water gun from top,the first filter is detachable as well.
Secondary filter and third filter
In order to you will get a more clear coffee liquid,we design and install a second filter and a third filter to perfect the whole filtration efficiency.
For smaller system less than 200L,the filter cores of second and third filters are permanent lifespan,reusable(not include the human damage),these filter cores are made of high quality food grade materials-stainless steel 304,no need to replace them but have to clean them after each brewing.
For larger system more than 200L,we are using bag filters.
These filter bags can be reusable,but you have to replace them regularly,they are not permanent lifespan.
Once you can not clean them well,you need to replace them,these filter bags are global standard,you can easily to source them locally,these filter bags are cheaper everywhere,so you can run our cold brew system at a lower operation cost.

Question 37

Do I need a permanent water connection to use the Wenzhou Deli Cold brew coffee system(We called CBCS)?

Accepted Answer

Yes, as default we recommend a permanent water connection.

Question 38

Can the Wenzhou Deli Cold brew coffee system(We called CBCS) dispense nitro cold brew?

Accepted Answer

The Wenzhou Deli Cold brew coffee system(We called CBCS) itself does not have a built-in nitrogen infuser or generator. If you want to serve nitro cold brew, you have to buy a separate nitrogen infuser or generator in addition. Our CBCS system is able to compatible with your nitrogen or generator.

Question 39

Can I infuse spirits in the Wenzhou Deli Cold brew coffee system(We called CBCS)?

Accepted Answer

Yes, you can infuse the spirits less than 55& ABV

Question 40

What beverages can I brew with the Wenzhou Deli Cold brew coffee system(We called CBCS)?

Accepted Answer

You can brew cold brew coffee, tea, cocktails, infused spirits with herbs or fruits and blended drinks etc.

Question 41

Who is the Wenzhou Deli Cold brew coffee system CBCS perfect for or serve for?

Accepted Answer

Question 42

What alcoholic beverages can be used in the cold brew coffee system?

Accepted Answer

Liqueur, cocktail, mocktail, compound wine etc.

Question 43

Is cleaning the Wenzhou Deli Cold brew coffee system(We called CBCS) complicated?

Accepted Answer

Not at all.Our CBCS system comes with cip spray ball.

Question 44

What are the maintenance expenses and conditions of Wenzhou Deli Cold brew coffee system(We called CBCS)?

Accepted Answer

Our cold brew machines are designed for low maintenance.
It comes with professional cip spray balls,it can be connected with prefessional CIP cleaning system,it will help to reduce labour time and costs while improve the cleanliness of the cleaning process for next brew batch,and all key components are built for long-term durability.

Question 45

What exactly is Wenzhou Deli Cold brew coffee system(We called CBCS)?

Accepted Answer

Wenzhou Deli Cold brew coffee system(We called CBCS) is a revolutionary cold brew machine designed for professionals who want to deliver premium cold coffee at scale. Using patented rapid extraction technology, our system produces clear, flavourful cold brew in just in a hour instead of traditional 12hours-24hours. Our system comes with multiple brewing methods to choose, it can brew fast in a hour, it also can brew in 2 hours until 24hours, the different brewing methods depends on your brewing scenes and personal preferences.
With up to 22% extraction, you are able to achieve a higher coffee yield, increased caffeine, and a richer taste from every batch. Our system is versatile and hybrid system, it also can brew tea, cocktails, infused spirits, blended drinks etc.

Question 46

What materials you are using on your cold brew coffee system?

Accepted Answer

We are using stainless steel 304.SS316L as option.

Question 47

Is your cold brew coffee system commercial industrial size or home coldbrew size?

Accepted Answer

We focus on commercial industrial grade cold brew solution system.
We are the leader and pioneer of cold brew solution systems.