The normal aqua feed is referred to the sinking pellet feeds needed for ordinary fish types( like four major Chinese carps) Ordinary aquatic feed products are mainly protein raw materials, including grains, cake meal, rice bran, bran, blood meal, fat, antibiotics, vitamins and so on.
Jiangsu Liangyou Zhengda Co., Ltd., specializing in the production of feed machinery and engineering, can provide customers with complete sets of equipment solutions for livestock feed (pig, etc.), poultry feed (chicken, duck, goose,etc.), ruminant feed (cattle, sheep, etc.), common aquatic feed (four major Chinese carps, etc.), special aquatic feed (shrimp, crab, etc.), extruded aquatic feed (floating and sink fish feed, shrimp feed, etc.), premix feed (including all kinds of additives, etc.), and pet food(cat food, dog food, etc.). to meet the different needs of customers.
Now take theDual-line SZLH420(15tph) normal aqua feed production line as a case, according to the process flow and each section to do the following introduction and description.
Raw material:
Ordinary aquatic feed products are mainly protein raw materials, including grains, cake meal, rice bran, bran, blood meal, fat, antibiotics, vitamins and so on.
Introduction of process:
Ordinary of aquatic feed is characterized by fine grinding fineness (crusher mesh size 0.8- 2.0 mm), high curing conditioning requirements (using double jacketed conditioners), small product particle diameter (particle diameter of about 2-4.0 mm).The dual-line SZLH420 common aquatic fish feed project was designed to produce 10-12t /H, using two micro-crushing lines, one batching mixing line, two granulating lines and two packaging lines. The total power of the equipment is about :770KW;The construction area of the production area is about 22x17.5x29m (high);allocated with 1T boiler. The dual-line SZLH420 produces 10-12t ordinary aquatic fish feed with compact engineering design, reasonable structure, meeting environmental protection requirements, and can be designed according to customer requirements.
Process diagram:
Raw material receiving and cleaning process, grinding process, batching and mixing process, pelleting process, bagging process/ bulk packing, auxiliary process
Process introduction:
Raw material receiving and cleaning process
In this section, pellet feeding cleaning and powder feeding cleaning are separated independently and separate dust removal. Dust removal effect is good.
Cleaning equipment：granules sifter SCY80，capacity 20-30T/H；powder cleaner: SQLZ60X50X100, capacity 10-15T/H.
Grinding process
This section adopts two hammer mills, and each hammer mill is with two pre-grinding bins. Different raw materials can be crushed at the same time to improve production efficiency. Because the grinding fineness for fish feed is relatively small, the semi-air pneumatic conveying system is adopted to ensure the smooth discharging of the feed in the fine grinding process. Before entering the bins, the impurities are removed by magnetic separation device to ensure the safe operation of the hammer mill.
Grinding equipment : Hammer mill SFSP668×1000, 160kw, designed to produce 6-8T/H(¢1.0mm screen hole)
Batching and mixing process:
This section adopts 16 batching bins, two sets of batching system batch at the same time. It is controlled by the batching program independently developed by our company to realize accurate fast and slow feeding, fast batching and high precision.
Weighing equipment: Dosing scale PCS20/10, dosing precision: dynamic ≤3‰, static ≤1‰.
Mixing equipment : mixer SHSJ4, (30KW, 2000kg/ batch), designed to produce20-30t/h. Mixture uniformity CV ≤5%.
Pelleting process:
This section adopts two sets double-layer jacketed conditioner pelletizer, and each set is with two pre-pelleting bins, which is convenient to switch between varieties. After pelleting, they are respectively entered into the cooler and the elevator into the rotary screener in order to be screened, and the finished products are put into the packing bins, and the sieved out powder material is back to granulation, the sieved out large particle material back to crumbler.
Pelleting equipment(2 sets) : SZLH420, 110KW, designed to produce 6-8t/h.
Cooling equipment(2 sets) : SKLN4, 1.1kw, 4m3 volume, designed to produce 6-8t/h.
Packing process:
There are 4 finished product bins in this section. The pellet or powder is automatically weighed and packed by the packing scale. Vibration sieve is arranged before packaging to screen out the powder in the finished material.
Packing equipment: Belt scale, packing range: 20-50kg/ bag, 6-8 bags/minute.
Auxiliary section:
Dust removal system to improve workers' working environment; Grease adding system, common mixer place added to improve feed palatability.
| The main equipment section | |||
| Number | Description and type | Qty | Picture |
| 1 | Grinding process: hammer millSFSP668*1000，160KW, output 6-8tph( fish feed micro grinding) hammer millSFSP668*800，110KW, output4-5.5tph( fish feed micro grinding) hammer millSFSP668*800，90KW, output 3-4.5tph( fish feed micro grinding)
| 3 |  |
| 2 | Batching and mixing process: Mixing equipment: Mixer SHSJ3, 22KW, 1500kg/P, designed to produce 24-30T /H.CV of mixing ≤5%.
| 2 |  |
| 3 | Pelleting process: Pelleting equipment: SZLH420, 110KW, 5-6T /H.
|  | |
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