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20-25 T/H Fish Feed Production Line In Peru

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Name:Fish feed mill project
Capacity:150,000 T/A
Pellet Size:1.8-3.5mm
The install period:1 Year
Control Mode:Full Automatic
Guiding Price:US$3.1 million

20-25 T/H Fish Feed Production Line In Peru

introduction of 20-25 t/h fish feed production line in Peru

20-25 T/H Fish Feed Production Line In Peru

This is a multi-functional 20-25 t/h fish feed production line in Peru project that processes aquatic expanded feed, aquatic premix, aquatic concentrated feed, etc. In addition to aquatic feed, this project also produces 50,000 tons of extruded feed ingredients annually.

The customer of this project was originally engaged in fishmeal processing. In order to expand product categories, expand the company and business scale, they invested in this new aquatic feed project. This project will share the production workshop, finished product warehouse and raw material warehouse with fishmeal production.

Construction Content

This 20-25 t/h fish feed production line in Peru expansion project uses the newly purchased land covering an area of 2436m2 to build a main production workshop, a finished product warehouse and a raw material warehouse. The main fish fee production lines of the project are arranged in the main production workshop of the factory.

Project The expansion project
Structural work Main workshop A new main production workshop has been added, covering an area of 1930.77m2. All production lines of this project are carried out in this workshop.
Storage and transportation engineering Raw material workshop Build a new raw material workshop (one floor in total) for the storage of raw materials for this project
Finished product workshop 1 new finished product workshop built
Auxiliary works Office building Build a new office building with an area of 187.80m2 and a total of 2 floors
Boiler Room Build a new boiler room with an area of 152.04m2 and a total of 1 floor.

Main products and production capacity

The product plans for the 20-25 t/h fish feed production line in Peru expansion project are detailed in the table below:

product name Output (t/a) Product storage capacity (t) storage location Storage method
Aquatic feed 140,000 1000 product warehouse bagged

Main raw material consumption

Number Name Quantity (t/a) Storage capacity(t) Storage method
1 Fishmeal 49000 20000 Storage tanks/barrels
2 Flour 14000 2000 barreled
3 Starch 9800 500 barreled
4 Soybean meal 42000 2000 bagged
5 Additive 14000 500 barreled
6 Grease 11200 2000 /

Equipment of the 20-25 t/h fish feed production line in Peru

Number Device name QTY
1. Raw material bulk receiving system
1 Silencer 4
2 Fan 4
3 Pulse dust collector 4
4 Hydraulic flap 1
5 Scraper conveyor 1
6 Self-cleaning hoist 1
7 Cylindrical primary cleaning screen 1
8 Pulse dust collector 1
9 Permanent magnet cylinder 1
10 Self-cleaning hoist 1
11 Double-layer scraper conveyor 1
12 Self-clearing gate 11
13 Pneumatic tee 11
14 Loading level device 8
15 Lowering level device 22
16 Pulse dust collector 8
17 Vibrating unloader 22
18 Manual gate 22
19 Scraper conveyor 1
20 Pneumatic tee 1
21 Scraper conveyor 1
22 Pneumatic tee 1
23 Scraper conveyor 1
24 Self-cleaning hoist 1
25 Pneumatic tee 1
26 Scraper conveyor 1
27 Scraper conveyor 1
2. Raw material receiving system in the main workshop
1 Silencer 1
2 Fan 1
3 Pulse dust collector 1
4 Scraper conveyor 1
5 Self-cleaning hoist 1
6 Conical powder sieve 1
7 Pulse dust collector 1
8 Distributor 1
9 Silencer 1
10 Fan 1
11 Pulse dust collector 1
12 Scraper conveyor 1
13 Self-cleaning hoist 1
14 Cylindrical primary cleaning screen 1
15 Pulse dust collector 1
16 Distributor 1
17 Silencer 1
18 Fan 1
19 Pulse dust collector 1
20 Scraper conveyor 1
21 Self-cleaning hoist 1
22 Conical powder sieve 1
23 Pulse dust collector 1
24 distributor 1
3. Pre-mixing system
1 Scraper conveyor 1
2 Lowering level device 1
3 Vibrating air hammer 1
4 Pneumatic gate 1
5 Twin-shaft paddle mixer 1
6 Vibrating air hammer 1
7 Material level meter 1
8 Scraper conveyor 1
9 Pulse dust collector 1
10 Self-cleaning hoist 1
11 Scraper conveyor 1
12 Pneumatic tee 1
4. Mixing system
1 Scraper conveyor 1
2 Pneumatic tee 1
3 Loading level device 2
4 Lowering level device 2
5 Small warehouse out machine 2
6 Ingredients scale 1
7 Scale gate 1
8 Pneumatic gate 1
9 Pneumatic gate 1
10 Twin-shaft paddle mixer 1
11 Air hammer 1
12 Material level indicator 1
13 Conveying auger 1
14 Self-cleaning hoist 1
15 Pulse dust collector 1
16 Distributor 1
5. First-time batching system
1 Loading level device 36
2 Lowering level device 36
3 Air hammer 34
4 Arch breaking device 2
5 Large out-warehouse machine 10
6 Large out-warehouse machine 10
7 Small warehouse out machine 10
8 Small warehouse out machine 6
9 Ingredients scale 3
10 Scale gate 3
11 Pneumatic gate 3
12 Scale bucket return air piping and butterfly valve 1
13 Pulse dust collector 1
14 Pneumatic gate 1
15 Pulse dust collector 1
16 Material level indicator 1
17 Air hammer 1
18 Scraper conveyor 1
19 Self-cleaning hoist 1
20 Recheck scale 1
21 Scale gate 1
22 Pneumatic gate 1
23 Loading level device 36
24 Lowering level device 36
25 Air hammer 34
26 Arch breaking device 2
27 Large out-warehouse machine 10
28 Large out-warehouse machine 10
29 Small warehouse out machine 10
30 Small warehouse out machine 6
31 Ingredients scale 3
32 Scale gate 3
33 Pneumatic gate 3
34 Scale bucket return air piping and butterfly valve 1
35 Pulse dust collector 1
36 Pneumatic gate 1
37 Pulse dust collector 1
38 Material level indicator 1
39 Air hammer 1
40 Scraper conveyor 1
41 Self-cleaning hoist 1
42 Recheck scale 1
43 Scale gate 1
44 Pneumatic gate 1
6. First mixing and coarse grinding system
1 Loading level device 6
2 Lowering level device 6
3 Ultrafine grinder 1
4 pneumatic conveying pipeline 1
5 Shaksaurus 1
6 Air shut-off device 1
7 Silencer 1
8 High pressure blower 1
9 Pneumatic + manual butterfly valve 1
10 Pulse dust collector 1
11 Conveying auger 1
12 Drawer type grading screen 1
13 Pneumatic tee 1
14 Ultrafine grinder 1
15 pneumatic conveying pipeline 1
16 Shaksaurus 1
17 Air shut-off device 1
18 Silencer 1
19 High pressure blower 1
20 Pneumatic + manual butterfly valve 1
21 Pulse dust collector 1
22 Conveying auger 1
23 Drawer type grading screen 1
24 Pneumatic tee 1
7. Secondary crushing system
1 Loading level device 12
2 Lowering level device 12
3 Air hammer 12
4 Out of warehouse machine 12
5 Ingredients scale 1
6 Scale gate 1
7 Pneumatic gate 1
8 Scale bucket return air piping and butterfly valve 1
9 Pulse dust collector 1
10 Pneumatic gate 1
11 Twin-shaft paddle mixer 1
12 Buffer bucket 1
13 Air hammer 1
14 Material level indicator 1
15 Pulse dust collector 1
16 Scraper conveyor 1
17 Self-cleaning hoist 1
18 Pneumatic tee 2
19 Permanent magnet cylinder 2
20 Scraper conveyor 1
21 Pneumatic tee 1
22 Loading level device 2
23 Buffer bin 2
24 Feeding auger 2
25 Circular vibrating screen 2
26 Ingredients scale 1
27 Scale gate 1
28 Pneumatic gate 1
29 Scale bucket return air piping and butterfly valve 1
30 Pulse dust collector 1
31 Small material adding bucket and fence 1
32 Pneumatic gate 1
33 Twin-shaft paddle mixer 1
34 Air hammer 1
35 Material level indicator 1
36 Pulse dust collector 1
37 Scraper conveyor 1
38 Self-cleaning hoist 1
39 Pneumatic tee 2
40 Permanent magnet cylinder 2
41 Scraper conveyor 1
42 Pneumatic tee 1
8. Micro-grinding System
1 The warehouse to be crushed 2
2 Impeller feeder 1
3 Micro grinder 1
4 Screw conveyor 1
9. Secondary Ingredients System
1 Secondary batching warehouse 1
2 Dosing scale 1
3 Double shaft paddle type mixer for fish feed 1
4 Scraper conveyor 1
5 Bucket elevator 1
6 Permanent magnet cylinder 1
7 Liquid addition system 1
10. Superfine grinding production System
1 Superfine grinding chamber 2
2 Superfine fish feed grinder 2
3 Cyclone separator 2
4 Muffler 2
5 Screw conveyor 2
6 Drawer type grading screen 2
7 Superfine grinding chamber 2
8 Secondary batching warehouse 1
9 Dosing scale 1
10 Double shaft paddle feed mixer 1
11 Bucket elevator 1
12 Permanent magnet cylinder 1
13 Liquid addition system 1
11. Extrusion, drying, Screening, spraying, Cooling production system
1 The warehouse to be expanded 1
2 Weighing feeder arch silo 1
3 Feeder 1
4 Single layer conditioner 1
5 Floating fish feed machine 1
6 Drying mechanism wind feeder 1
7 Horizontal fish feed dryer equipment 1
8 Stainless steel drying and dehumidifying air mesh 1
9 Drum type grease sprayer 1
10 Liquid addition system 1
11 Counter flow cooler 1
12 Slow bucket elevator 1
12. Packing system
1 Finished product warehouse 2
2 Vibrating screen 1
3 Electronic packing scale for 1
4 Finished product warehouse 1

Fish feed manufacturinig process design

According to the customer's needs, the fish feed process flow designed by RICHI engineers for the customer is as follows: after the raw materials fish meal and soybean meal are crushed and mixed, they are expanded and dried using boiler steam to form expanded feed, which is then oiled and cooled before being screened and packaged into bags.

Process Description:



The types of raw materials used in the 20-25 t/h fish feed production line in Peru project include powders and granules. The powder does not need to be coarsely crushed, but directly passes through the feeding pit and elevator, and then enters the conical cleaning screen to remove impurities.

After magnetic separation, it directly enters the batching bin through the distributor or spiral auger to participate in the first batching; granular materials need During the coarse crushing process, the material enters the cleaning equipment through the unloading pit and elevator for magnetic separation and impurity removal, and then enters the bin to be crushed.

After coarse crushing, the material enters the batching bin through the elevator and distributor to participate in the first batching. Primary coarse grinding is the pre-treatment process of ultra-fine grinding in aquatic feed processing.

The main purpose is to reduce the particle size difference and variation range of materials, improve the working conditions of the ultra-fine grinder, improve the working efficiency of the ultra-fine grinder, and ensure stable product quality.


Ingredients and mixing at one time

The first batching is mainly the preparation of mass raw materials, that is, the preparation of materials with a large proportion in the formula. This process is mainly completed by electronic batching scales.

After the batching is completed, the first mixing begins. The first batching and mixing is the pre-processing process of ultra-fine grinding, which can reduce the variation range of material particle size, improve the working condition of the crusher, increase the crushing efficiency, and ensure the quality of the product.



Due to the low food intake of aquatic animals, short digestive tracts, and poor digestion capabilities, aquatic feeds are required to be crushed into very fine particles. For example, all shrimp feeds must pass through a 40-mesh analytical sieve, and less than 5% of the 60-mesh sieve will pass through.

Therefore, it must be processed crushing process. In the secondary crushing process, the primary mixed materials are lifted and entered into the bin to be crushed, and then enter the crusher. After the crushing process is completed, they enter the rotating classification screen to remove the fine fluff formed by the coarse fibers in the feed during the crushing process.


Secondary mixing

Each raw material enters the secondary mixer after secondary batching. There is a manual feeding port above the secondary mixer for adding trace additives. There are two liquid adding devices on the mixer for adding grease and water respectively.

During the secondary mixing process, each material must be thoroughly mixed, and the coefficient of variation CV is less than 5%. After being finely pulverized and mixed with secondary ingredients, the material enters the subsequent process - the puffing and granulating process.


Tempering and puffing

Puffed material: In the extrusion and puffing process of 20-25 t/h fish feed production line in Peru project, the material is cooked for a period of time under high temperature, high humidity, and high pressure.

During this process, the physical and chemical properties of the material undergo drastic changes (mainly starch gelatinization and protein denaturation). The pressure drops sharply at the moment of extrusion, and the moisture in the feed is converted from liquid to gaseous state, and is emitted from the feed, causing the material to expand, forming so-called expanded feed.



Dryers are Multi-pass Convection Belt Dryers. After the materials are formed, they form wet and soft pellets (moisture content is 25% to 30%). In order to reduce the breakage of the pellets, pneumatic transportation should be used to enter the dryer. Drying is carried out to reduce the moisture content of the material to about 13%.



After the material is dried, it enters the external spraying system, and the surface of the pellet feed is coated with oil, vitamins, flavoring agents, etc., which not only meets the energy needs of fish, but also reduces the loss of heat-sensitive substances during processing.

It can also improve the palatability of feed and reduce the powder content. After the material passes through the external spraying system, it needs to be cooled and crushed.



The air cooling principle is used to cool the product through a cooler or cooling tower.


Product grading and packaging

The cooled materials are lifted and crushed and then enter the grading screen for classification. The classification screen generally consists of two layers of sieves.

The upper screen sieve needs to be returned to the crusher for crushing; the lower sieve sieve is generally fine powder, which can be returned to the expansion bin for re-forming; the lower sieve sieve is The finished products go directly into the finished product warehouse and are then weighed and packaged.

Project environmental protection measures


Waste gas control measures

The 20-25 t/h fish feed production line in Peru project boiler uses natural gas as the heat source. Natural gas is a clean energy. According to the source strength analysis and calculation, the SO2, NOx and smoke in the natural gas combustion exhaust gas of the project can meet the "Boiler Air Pollutant Emission Standard".

Therefore, the boiler exhaust gas of this project is collected and processed for 1 Emissions from a 15m high chimney can meet relevant emission standards.


Noise control

The main source of noise in this 20-25 t/h fish feed production line in Peru project is the use of crushing, screening and other machines. Its noise value is generally between 80 and 95 dB (A).

After taking corresponding noise reduction measures, the factory boundary can reach the limit value in the "Environmental Noise Emission Standard for Factory Boundaries of Industrial Enterprises" (60dB during the day and 50dB at night).


Solid waste management

The solid waste of the 20-25 t/h fish feed production line in Peru project is mainly employee domestic garbage, waste packaging bags and sewage treatment station sludge, which are not hazardous wastes.

At the same time, this project uses a fully enclosed production line for feeding, and the dust and grease generated during the process are recycled as raw materials for the project, so no solid waste is generated during the feeding process.

Why build an aqua fish feed production line in Peru?

In 2023, the Peruvian Ministry of Production approved a national aquaculture policy to promote the development of the country's aquaculture industry.

With the introduction of policies, Peruvian aquaculture industry will become more competitive, sustainable, climate change resilient and diversified, with total sales expected to more than double in 2030 compared to current levels. The policy will help small-scale aquaculture producers develop and increase exports in South America and the Caribbean.

The PNA has five clear goals to achieve thrust and growth in aquaculture:

Obviously, in order to increase the sustainable production of Peruvian aquaculture, more Peruvian aquatic product processors will gradually shift towards "investment in favorable factors", which includes the exploration of farming models and aquatic feed processing.

20-25 T/H Fish Feed Production Line In Peru

In addition to this 20-25 t/h fish feed production line in Peru project, we have currently established multiple livestock and poultry feed production lines in Peru, such as 5T/H Customized Animal Food Processing Plant in Peru, etc. If you are interested in our projects in Peru, contact Richi Machinery to customize your feed production line solutions to get more returns from your feed processing business!

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