Pulp Moulding Production Line

Product Description
Our company manufactures various models and types of Machines, Equipment, Spare Parts needed mainly to manufacture Paper Pulp moulded products generally made from Waste Boxes, Papers, Indian Pulp, Taiwan Pulp, Korean Pulp, Canada Pulp, China Pulp, Thailand Pulp, Indonesia Pulp, Southern Pulp etc, most of the Paper & Paper based Paper Waste can be recycled using our equipment. The production lines are simple to operate and maintain. It has high productivity, easy interchangeability of mould tooling, consumes less energy with less manufacturing cost, faster setting time etc, It can be upgraded to next higher level of production by adding less number of additional machines. Various models and ranges are available in Wet Moulding & Dry Moulding Process (Fine Moulding). The range of products that can be made are endless. Few examples are Egg Trays (30-cell) Egg Box/Carton (6-cell,10-cell, 12-cell, 6+6 – cell, 18 cell) Egg Carton of multi cavity sizes, Can Shell types, Apple Tray, Fruit Tray, Tomato Tray, Pear Tray, Orange Tray, Cup carriers used in fast food outlets (4 pack, 2 pack) Hospital and
Medical Care products and Paper Trays, Tableware etc.

pulp molding machine
Advantages of Paper Pulp Moulding Machines
. Machines Sophisticated yet easy to operate
. Rust protected solid steel construction
. Fast interchanging of moulds with dryer linking option
. User friendly control panel with low maintenance service system
. Low cost of production due to less power, space and labour
. Choice of end product colors
. Water proof products by using additives
. High and fast return on investment

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Theoretical Considerations and Methodology of Pulp Molding Machine

paper egg tray making machine

Theoretical Considerations
Pulping is the liberation of fibres from wood so that they can be reformed into paper sheet. Pulp is a dry fibrous material prepared by chemical or mechanically separating fibres from wood or fibre crops. Pulp can be either fluffy or fringed into thick sheets. Pulp which is shipped and sold as pulp is referred to as market pulp. When suspended in water the fibres disperse and become more pliable. This pulp suspension can be laid down on a screen to form a sheet of paper.
Waste paper re-used: The process of recovering waste paper and remaking it into new paper products is refereed to waste paper re-used. The papers used as feedstock for making recycled paper can be grouped as follow: Preconsumer waste and past-consumer waste. Pre-consumer waste is material which left the paper mill, which has been discarded before it was ready for consumer use. Post–consumer waste is material discarded after consumer use, such as old magazines, old newspapers are residential mixed paper. Paper suitable for recycling is known as
“scrap paper”.
Pulp mould: Pulp mould is made from recycled paperboard and old newspapers. It is used to produce egg trays, food service trays and beverage carriers. Moulded pulp is often considered a sustainable packaging material, as defined by the sustainable packaging coalition, since it is produced from recycled materials, and can be recycled again after its useful life-cycle.
Vacuum filtration: The pulp moulding machine is designed to operate on the principle of vacuum filtration whereby the driving force for filtration results from the application of suction on the filtrate side of the medium.

paper egg tray making machine

The slurry to be filtered is made up of cellulose and water. The physical and chemical properties of cellulose make them develop strong bonds and enable them to retain their shape and contours when dried. The mould has been designed to produce thirty egg tray of standard size and worthy of note is the unique manual technique of operation which is intended to keep the machine as simple as possible.
Methodology
The pulp moulding technology adopted is one in which the mould is lowered into the pulp slurry vat where the slurry is formed on the mould with the aid of the vacuum pump sucking in both the fiber and water. The mould is then lifted up, fixing into the counter-mould. The suction effect from the vacuum pump is transferred to the counter-mould where the moulded product is received, all the while, still sucking water from the product. The product is removed from the counter-mould when the suction is blocked and taken for further drying to the desired moisture content.
The parts of the pulp moulding machine can be divided into two groups namely the primary and the auxiliary parts. The primary parts are the parts that make up the machine these are the mould, the counter mould, the pulp slurry vat, and the lowering mechanism while the auxiliary part is backup of the machine, its presence is fundamental to the working of the machine. These are the vacuum pump, the electric motor and an auxiliary tank.

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The Description of Production Process of Egg Tray

flow chart

Water paper is put into hydrapulper to beat pulp around 4% consistency, pulp through virbrating screen and refiner becomes cleaned & refined, then diluted and agitated in civil works pool. Waterproof agent like AKD or rosin wax/aluminium Sulpahte, coloring diestuff may be added if required. At this stage the working pulp is to be diluted around 1% consistency.

The ready working pulp is pumped into the pulp chest beneath the rotary molder. The molder is rotary type with each mold platen fitted with 4 egg trays molds. When the fully automatic molder rotates in 180 degree each cycle, the bottom platen’s 2 molds are immersed into pulp chest, through vacuum suction wet trays (pulp fibres) are formed and deposited on forming mold screens and excess water is returned to pulp chest for reuse.

The excess pulp above pulp chest level is automatically flowed back to pulp pools for recyclable use. Both the front and back side of molder is fitted with high pressure water spraying system for automatic nonstop mold cleaning and egg tray edge washing each cycle. The excess white water after vacuum-suction is pumped into a civil works white water poll and this white water is re-pumped back to hydrapulper or pulp pools for recyclable use.

flow chart

At the front side (facing the dryer), one transfer mold platen (with 2 egg tray transfer molds) comes close to forming mold and through vacuum & compressed air the 2 wet trays are delived from forming molds (via compressed air blowing) to transfer mold (via vacuum suction). Then the transfer molds in a robot manner put wet trays (via compressed air) onto the moving dryer conveyor, and repeat another cycle.

At the front side (facing the dryer), one transfer mold platen (with 2 egg tray transfer molds) comes close to forming mold and through vacuum & compressed air the 2 wet trays are delivered from forming molds (via compressed air blowing) to transfer mold (via vacuum suction). Then the transfer molds in a robot manner put wet trays (via compressed air) onto the moving dryer conveyor, and repeat another cycle. Each cycle takes 7 seconds or more depending on drying effect.

The dryer is single pass tunnel conveyor type in 3 independent modules. Each module has independent gas or diesel-fired burner, temperature control, air recirculating fan & air diffuser. Each module’s temperature can be adjusted independently to reach curved drying so as to avoid tray deformation to the minimum. At the exit of drier there is facility of automatic collecting, counting and stacking of final dry trays into bundles.

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Customer of Algeria Visited Us in June, 2016

Customer of Algeria Visit Our Factory

Customer of Algeria Visit Our Factory
Customer of Algeria visited our factory in May, 2016. He was really interested in our paper egg tray machine. Finally, we established cooperative relationship. As an experienced manufacturer, our equipment has the advantage stable performance and easy maintenance.We are deserving your trust! Hope you can come and visit us!

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How to Maintain the Paper Egg Tray Making Machine?

egg tray machines

Egg cartons machine needs regular maintenance after using. Reasonable and scientific maintenance methods can reduce the energy consumption and prolong the service life of mechanical, which is very important for the machine.
The four requirements of the maintenance of paper egg tray making machine:
1.Tidiness: tool, workpiece and accessory should be placed neatly. Security protection device and line pipes should be complete.
2.Cleanliness: Ensure the cleanliness of the inside and outside of the equipment .
3.Lubrication: Add and change the oil on time. The quality of the oil should meet the requirements.
4.Security: implement the system of “certain person for certain equipment” and shifting system; Be familiar with the structure of the equipment, observe the operating instructions, use the equipment rationally, maintain the equipment carefully and prevent the accident.
egg tray machines
The maintenance and management of field apparatus:
The maintenance of the equipment can be classified routine maintenance and regular maintenance by time. It can also be classified as general maintenance, area maintenance and key equipment maintenance according to the maintenance mode. The content of maintenance includes : check, inspection, adjustment, lubrication, unpick and wash, and repair and so on.
Maintenance of the equipment play an important role in the daily use. Therefore, we must pay attention to that.

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The Advantages of Paper Pulp Mold Products of Egg Tray Making Machine

paper egg tray making machine

Paper egg trays, manufactured by egg tray making machine, have been gradually entered the range of daily consumer goods. It is also the reason why more and more business people choose to buy egg tray making machine for small business capital spending. Among them, the paper egg machine is widely used. The reason mainly lies in the advantage of paper mold products itself .
Paper pulp molding products adopt waste paper as raw material. Pulp mould is made from recycled paperboard and old newspapers. It is used to produce egg trays, food service trays and beverage carriers. Moulded pulp is often considered a sustainable packaging material, as defined by the sustainable packaging coalition, since it is produced from recycled materials, and can be recycled again after its useful life-cycle.

paper egg tray making machine

The pulp moulding machine is designed to operate on the principle of vacuum filtration whereby the driving force for filtration results from the application of suction on the filtrate side of the medium. The slurry to be filtered is made up of cellulose and water. The physical and chemical properties of cellulose make them develop strong bonds and enable them to retain their shape and contours when dried. The mould has been designed to produce thirty egg tray of standard size and worthy of note is the unique manual technique of operation which is intended to keep the machine as simple as possible.
Molded pulp paper is a typical green product, which is environmental protection and can be reused. What’s more, raw materials of paper pulp molding products have low cost, wide sources. Therefore, paper egg tray making machine is your best choice.

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