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The poultry sector continues to grow and industrialize in many parts of the world. An increasing human population, greater purchasing power and urbanization have been strong drivers of growth.
Nepal is a small country with approx. 27 million population. The country’s average growth of poultry is around 10% per year. The poultry sector shares around 3.4% of the country's GDP.
There are approximately 75 large-scale hatcheries, 115 feed mills (Mash & Pellet) , and over 500 layer and 1000 broiler farms in the country. Feed production/year stands approx. 800,000 tonnes.
Lark supplied first feed mill in Nepal in the year 2006 ; and over a period the company has come a long way and today we have more than 60 installations all over the Nepal which include from a single machine to fully automatic projects. Few Projects are as mentioned:
Pelleting is a process in which mixed feed in powder form is converted into pellets by mechanical compression in combination with moisture and heat. Process is achieved by a set of rolls and die of suitable hole size and shape. As the die & roll rotates, the product passes through the nip of roll & die and pressed into the die holes to make pellets.
Animal feed consists of different ingredients to make a balanced diet in terms of proteins, carbohydrates, fats, vitamins, minerals and medicines etc. In manufacturing of feed in mash form, there are few ingredients like DRB, Rice Polish etc which are already available in powder form, while some of these like Grains, Fish, GNE, Soya etc. are available in solid form and has to be converted to granular form to particle size suitable for the animal. For this purpose grinding of these ingredients is carried out with the help of Grinder or Hammer Mill.
We continuously strive to upgrade the production facilities and as a result today, we are able to customize machineries according to our customer requirement. Our production department is committed to develop production technologies to help us produce products of high quality at competive price. We have strengthened our core competences to provide economical solution to our clients.
In industry where we need to reduce the particle size of a product so as to use it effectively, we use different machines to solve the purpose which include hammer mills, grinders, roller mills etc. In hammer mills impact force of high speed rotating hammer is utilized to crush a material.Though our Hammer mills are being used in many industries with different design features, here we will discuss regarding hammer mills being used in animal feed industry.
Double shaft paddle mixer, also called Horizontal Non-gravity Mixer, it is an advanced mixer machine with high efficiency, high uniformity, high intensity and low energy consumption. The machine is widely used for mixing powder-powder and powder-granule, especially suitable for materials with big difference in specific gravity or particle size.
As its name indicates Pre - Mixer is a mixer used prior to main mixer for pre-mixing. We add certain micro-ingredients (Minerals, Vitamins & Nutrients) in feed whose percentage is very low, e.g., 150 gm. in 1000 kgs. If added directly in feed mixer, it may not be dispersed homogeneously in whole batch. By installation of Pre-mixer, we first dilute these micro ingredients in 10kgs, 20kgs Or 30 kgs of any of feed ingredients i.e. Rice polish, DRB or Maize etc.
The first step in pelleting is conveying of ingredients from bulk silos or godown to the batching bins. It is essential to remove oversize foreign materials and iron trash etc. which otherwise can affect functioning of slide gates, gravity /screw feeder in batching or downstream. Pre-cleaning machines generally include rotary sieve, jute remover, magnetic catchers etc. In automatic plants, it is desired that system is designed to give continuous efficient cleaning at maximum flow of ingredients.
Whether planning to build a new feed processing facility or remodeling or upgrading an existing facility, many things must be considered.