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Flexible-Wall Hooper Gravimetric Feeder
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Flexible-Wall Hooper Gravimetric Feeder

Flexible-Wall Hooper Gravimetric Feeder

Gravimetric loss in weight feeder is an instrument that is important to control and measure the speed of a substance in an instrument system. This equipment can handle the bulk solids. It allows the solid to discharge at a constant weight per unit time. The unit of measurement is kg/min or Kg/hour. The signal about the weight is used as a system of feedback control. It controls and monitors the feed rate that enters a instrument. The gravimetric weighing systems include several examples such as platform scales, load-cells, weigh hoppers, etc. Depending on the overall process, the gravimetric feeder will be a loss-in-weight system.

 

Parameters/Model

PG-FP-48

PG-FP-57

PG-FP-89

Capacity range

10-150kg/h

30-450kg/h

100-1500kg/h

Hopper Volume

40L

80L

200L

Load Cell Range

50kg

75kg

200kg

Net Weight

86kg

140kg

200kg

Dimension

700x550x900

770x595x1000

1100x710x1040

Power

AC380V 3ph

Feeding Motor 0.25kw

Stirring Motor 0.15kw

AC380V 3ph

Feeding Motor 0.37kw

Stirring Motor 0.2kw

AC380V 3ph

Feeding Motor 0.55kw

Stirring Motor 0.4kw

Output method

Spring Screw or Solid Single Screw

Spring Screw or Solid Single Screw

Spring Screw or Solid Single Screw

Dynamic accuracy

±0.5%

±0.5%

±0.5%

Resolution

1/100000

1/100000

1/100000

Discharge tube

Φ48x3

Φ63x3

Φ89x3

Flexible Wall Hopper Loss-in-weight Feeder

 

Company Profile

Nanjing Pege Techno Machine Co., Ltd has been working with bulk ingredients feeding, weighing for more than 10 years. We have gained knowledge and have become a reliable feeder supplier for various customers.

Whether for use in the plastics, chemical, pharmaceutical, food, pet food, detergent, ceramics, glass or construction material industries – the customer and his requirements are most important. Before we submit a quotation, we analyze your ingredient and work with you to determine your needs. Continuing this with our 10 years of experience we select the best device from our extensive product line which can feed any conceivable ingredient. All our machines can be further modified to fit the individual needs of our customers.

Besides extensive process advice we have many services such as feeding trials in our test labs, start-ups and operator training on site or at our training center.

We also offer maintenance, customized screws, spare parts and repairs as parts of our comprehensive after-sales services at reasonable prices.

 

Weighing Feeder Principle
In loss-in-weight feeding, the entire feeder, hopper and material are continuously weighed. As the feeder discharges material, the rate of decline in system weight is computed, and feeder speed is adjusted to maintain the desired (set) rate.
 

 

Composition of Gravimetric Loss-In-Weight Feeder

 The basic composition of Nanjing Pege’s Gravimetric Loss-in-Weight feeder can be divided into two parts: Mechanical system and Control System.

1. The mechanical system is mainly composed of a measuring hopper, a screw feeder, a mixing & feeding motor, and a weighing rack.
2. The control part is mainly composed of load cell, signal amplifier, input / output interface, and control instrument (screen).

 

Material Applications of Loss in Weight Feeding System

Resin Particles, Resin Powder, Calcium Carbonate, Glass fibers

Talcum Powder, Titanium White Powder

Carbon Black, Flame Retardant Antioxidant

Applications on the Industries

The key function of loss-weight-feeder is to realize continuous and precise batching and dosing.

Plastics industry.

Processing of plastic, films, coatings.

Chemical industry.

Premixes for extrusion, detergents, pesticides, fertilizers, building materials.

Food Industry.

Cereals, muesli bars, sugar mixtures, milk powder, diet breakfast drinks, salt iodization, fluoridation, aromatization.

Pharmaceutical industry.

Production of vitamins and active ingredients.

Environment.

Flue gas cleaning, water processing, diesel particle filters.

 

Features of Pege's Flexible Wall Hopper Loss-in-weight Feeder

Suitable for all-purpose bulk material, especially for the powder material with humidity and low flowability.

The cantilever sling-type weighing scale supports the storage hopper, which has the characteristics of vibration reduction and anti-level interference. This design can effectively shield the non-weight value interference from the vibrator and measure the flow of the system more accurately.

No bridging thanks to straight walled hopper.

Gentle feed capability by paddling flexible hopper with external agitation.

Easy to disassemble and to clean, convenient for maintenance.

No direct touch between stirring unit and material ensures no damage on the materials.

Improve material flowability, optimize dynamic loadings of the screws, to ensure stable and accurate flow rate.

Arch breaker inside of the machine can ensure efficient weighing feeding even the humidity rate in the materials reaches to 20%

 

Packing And Shippment 

 Sucessful Cases of Nanjing Pege's Gravimetric Feeding System

With many years of expertise and continious development, the gravimetric feeding machines had been accepted by many customers and are applied in many industries.

Pege will keep providing qualified loss in weight weighing feeder for customers both in China and Abroad.

FAQs on Loss in Weight Feeders

1.      What kinds of feeders are included in the loss-in-weight feeder series?

Our feeding product range includes micro-type loss in weight feeder, single screw feeder, twin screw feeder, vibratory tray feeder, Paddle-massaged flexible PUR hopper feeder and liquid loss in weight feeder.

2.     What is the lead time for the machine?

Generally, one group of 3 sets feeders production time will be about 60 days from the receipt of down payment.

3.     How do the gravimetric loss-in-weight feeder packed and shipped?

The loss in weight feeders are well packed and fastened in the plywood carton and then delivered to the seaport for sea transportation to the countries all over the world.

 

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