PTZL Series Vacuum Coater

For adding oil-rich, sticky liquids and expensive ingredients such as enzyme, vitamins, etc. onto feed and food pellets.

Key benefits

Excellent performance

Strong vacuum creation and control capability; vacuum creation: -950-40mbar; liquid addition up to 36%．

Flexible production

Different vacuum levels, customized nozzle conflguration and precise auto control allow it to deal with different recipes and different production requirements in one coater.

Easy maintenance

The simple structure and precise control as well as the long lifecycle of ware parts contributes to simple operation and easy maintenance.

Highlight Features

Outstanding design

Thanks to the vertical transport screw rotor and the efflcient spraying system, feed pellets can obtain uniform and sufficient coatings.

The low power input, the smooth profile of screw and the vessel chamber with no blind corner, all together contribute to discharge with minimized residues and product of little broken.

Stable and reliable

It adopts a specially designed discharging mechanism, which has no residue after discharging. At the same time, the sealing performance of the discharging mechanism is reliable, with long service life and convenient maintenance and replacement.
Outsourcing components of international famous brands, such as vacuum pump, butterfly valve, proportional valve, sensor, reducer, etc., are used to effectively ensure the quality of products.

Efficient output and efficient utilization

By adding grease to the vacuum coater machine, the fat content in the material before expansion can be reduced, which is conducive to improving the expansion coefficient and the capacity of the extruder.

The oil added by vacuum coater can penetrate into the core of the particles, reduce the pollution to the water body during breeding, be fully absorbed by feeding animals, and improve the feeding effect.

Main structure

1. Propotional ball valve

2. Vacuum pipe butterfly valve

3. Manhole

4. Motor

5. Inlet butterfly valve

6. Screw

7. Oil pipes

8. Tank

9. Load cells

10. Discharge valve

11. Inspection door

Technical parameters

Model	PTZL2000	PTZL3000	PTZL4000	PTZL5000
Screw rotor power (kW)	15	22	22	37
Vacuum pump (kW)	22	22	22	22
Capacity (t/h)	4-8	6-12	12-14	15-20
Effective volume (L)	2000	3400	4000	5000
Batch cycle time (min)	4-6	4-6	4-6	4-6
Working vacuum degree (mbar)	200	200	200	200
Ultimate vacuum degree (mbar)	40	40	40	40
Pellet diameter (mm)	2-15	2-15	2-15	2-15
Pellet measurement accuracy	1%	1%	1%	1%
Liquid measurement accuracy	1%	1%	1%	1%
Liquid addition	1%-36% of dry material weight

Note:

1. This equipment is suggested to be applied on extruded aqua feed and pet feed.

2. For sinking pellets, the maximum oil addition is lower.

Related applications

The PTZL series vacuum coaters focus on aqua feed and pet feed. PTZL can add huge amount of oil, enzyme, vitamin, antioxidant, amino acid, etc, to pellets. It also can be applied for pellets with high density and low oil-addition, that traditional coaters cannotperform well.

Aqua feed

Pet food

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