Hydraulic press for waste paper with their own hands

Want to buy a cardboard and plastic press?

A wastepaper baler is an indispensable tool for small collection points with limited storage space, it will reduce the paper waste by 5-10 times. Make a baler for waste paper with their own hands can be both mechanical and hydraulic. The latter will be more useful because it can give out a load of 2. 4 tons, which is 10 times more than could give out a mechanical.

Before you start, to make a homemade press, you need to decide on the availability of the necessary tools, you will need the following locksmith elements:

  • DC or AC welding machine;
  • Electrodes or wire for welding metal parts;
  • Metal hacksaw, but it would be better if you can find an angle grinder and circles for cutting metal;
  • steel thick-walled profile or square, for the base of the machine;

hydraulic press with their own hands

And also you need to determine the drive of your press, it can be made in two ways, for this use:

  • The first way. A hydraulic jack. which will create a pressure of 2. 4 tons.
  • The second way. The hydraulic cylinder, which will run on an electric motor.

Preparing the draft of the press

One of the most important elements of the design under consideration is the frame. It is a frame. Inside this frame there is a jack. The frame must be strong enough to withstand the force of the jack with some reserve. The reserve is necessary for the reason that during operation the press will exert pressure at once down and upwards, and without a reserve the construction can simply rupture.

The base of the frame is best made in the form of a platform. Select the width of the platform opening according to the dimensions of the materials you plan to further process on your press. In all circumstances the aperture must be larger than the total dimensions of all the elements of the equipment to be placed.

To determine a suitable height you need to add the following parameters together:

  • the dimensions of the jack;
  • Stroke of the main tool
  • the thickness of the mobile table;
  • the height of the workpieces to be pressed.

In this case the jack is installed on the base of the frame, and the upper part of the frame will support the mower’s parts. Transfer of force from the jacking rod to the workpiece is accomplished by the mobile work table. Such a table is mounted on the frame. A jack is placed between the frame and the table.

Set up the table in such a way, that it can move freely up and down on the frame, supported by the side guides.

The springs of sufficient stiffness are placed on each side of the jack. One eye of each spring is attached to the base of the base frame, the other is attached to the mobile work table. The springs installed will compress the hydraulic jack into the starting position with the rod hidden. Size of springs and their stiffness must be selected according to the characteristics of the jack.

The stroke of the jack piston and with it the height of the parts to be pressed can be adjusted in several ways:

  • By installing a screw drive at the top of the frame. This element must be equipped with a helm. During the operation of the press it will be possible to screw in a screw, which will reduce the size of the gap for the workpieces inside the frame;
  • By creating a removable mobile table. If necessary, it can be attached to the frame with bars or bolts. Preliminarily it is necessary to make holes in the frame, the step of which by height should be a little less than the stroke of the jack rod;
  • using interchangeable pads. For the manufacture of these elements, hollow or solid steel profile is well suited;
  • using the methods described above in combination.

All relevant dimensions must be entered in the drawing. In this case, the dimensions should be given taking into account the size of the jack, processed products, as well as rolled metal, which will be used for the assembly of the hydraulic press.

Scope of application and principle of work

The quality and technical parameters of the press of their own work are not inferior to factory-made models. Therefore, if you want to save the family budget, go ahead and create such a device with your own hands.

And if you consider the photo of the best ideas, how to make a press, you will come to the conclusion that the easiest way to make it out of the jack.

Use a similar, handmade, machine can be used for such needs as:

  • stamping and bending all kinds of objects;
  • Forging of metal parts;
  • extrusion of steel profiles;
  • baling of wood, plastic and metal products.

The principle of operation of the jack press design is due to hydrostatic laws. And it lies in the fact that the pressure on one particular section of the workpiece contributes to an increase in the efficiency of the other

PRODUCT CATALOG

Metal chip briquetting press, model Y83

Options: loading conveyor, conveyor for the finished product.

Briquetting presses can compact all kinds of fine particles and powders of iron, aluminum, copper, titanium, etc.д. into a high-density metal briquette. The particle length of the chips should be no more than 20mm.

Offered briquetting presses are made in one of the oldest forging press factories in China Anyang Forging Press Machinery Industry Co., Ltd., the official dealer of which is “SAMSTAL” Ltd.

The company has ISO9001:2008, GB/T 19001-2008 Conformity Certificate.

Briquette density and capacity of briquetting press is specified for steel waste.

Description Features Photo

The hydraulic chip briquetting press is used for briquetting of metal chips, sawdust, scale and other small metal scraps into compact briquettes, which is convenient for further transportation and remelting. On request, it is also possible to build automatic feeding and unloading units that can save staff time and effort. The use of an electric cooler allows continuous production for 24 hours.

Main technical features of the briquetting press: The electric system is computer-controlled; the press is equipped with a powerful automatic antifouling system. Tandem type of hydraulic cylinder provides rapid movement of briquette mass and high productivity. The press has a monolithic steel body, which prevents the rupture of welds and ensures the durability of the structure.

Types of presses

The mechanisms for baling waste paper are divided into 3 main varieties:

Equipment of each category has its own features, pros and cons.

Horizontal

This type of equipment is a small hydraulic machines (mini class) for baling paper waste. Their main features are:

Diagram of a hydraulic press

  • Weak technical data.
  • Despite its compact size, these devices process many kinds of cardboard, paper, plastic bottles.
  • Mini-press influences the paper with a force of two tons.
  • The production capacity of mini devices. 80 kg / hour.
  • Horizontal unit is powered from a single-phase 220 V network.
  • Approximate dimensions of the pressed briquettes. 405035 cm.
  • The size of the charging hole is 5050 cm. The filling of the press with recycled paper is done manually.
  • Horizontal units are capable of operating at temperatures from.20°C to 45°C.30 to 45 degrees.
  • Minimum weight for baling paper waste. 10 kg. Maximum. 20 kg.
  • Mini-press for waste paper of horizontal type is about 2 m in size, so the baling room can be created on a limited area.

.

Schematic drawing of a horizontal baling press

Vertical

This version of the equipment has more “advanced” technical characteristics compared to the previous variety:

Drawing of a vertical baling press

  • The vertical baler processes paper waste, lightweight crates, plastic containers and even scrap metal up to 1.2 mm thick.
  • This baler for waste paper can create a pressing force, which in the process of pressing paper waste will be equal to six tons.
  • The vertical height of the device is 1.5-2 meters, which makes it possible to equip the press shop with their own hands in a small area.
  • Can be powered from a single-phase 220 V standard electrical system.
  • The vertical baler produces 50 cm briquettes in the final stage.
  • The loading hole is 4050 cm.

.

Baling

The baling press is an indispensable device for waste paper businesses, but can be used by other companies. This equipment has a number of features:

  • High
  • Powerful technical parameters allow to make bales of compact size from a large volume of raw material.
  • Bale wrappers are characterized by the high pressure it generates. 15-50 tons. This parameter varies depending on the model.
  • The GGP of a specialized type can produce bales with a weight of 15 to 800 kg during baling of waste paper.
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Diagram of different types of presses

There is no need for a baler in the home. At home you can use a simple hydraulic or conventional mechanical mini baler.

Presses for waste paper: purpose, types and overview of popular models

The owners of most businesses know firsthand how much space takes up paper waste.

Boxes, paper and documents, even when neatly folded, fill up a great deal of useful space in spite of their low overall density and low weight.

It is extremely inconvenient to store uncompressed waste paper and even more inconvenient to transport.

To eliminate the inconvenience, entrepreneurs have waste paper balers.

What are balers for waste paper, and what is their purpose

A baler is a machine, whose main function is to compress (press) raw materials into briquettes, with or without subsequent packing.

The product of using the press is baled waste paper, which is dense square or rectangular bales of paper pulp.

Advantages of using balers:

  • Space saving when storing waste paper;
  • convenience of transporting them;
  • The ability to sell waste paper at a higher price due to its higher value in baled form.

These devices are necessary to owners:

  • waste paper collection points;
  • retail outlets and stores;
  • catering establishments (cafes, restaurants, canteens);
  • chain stores and supermarkets;
  • storage rooms;
  • production shops;
  • Offices and offices.

In general, the press is needed wherever there is any waste paper and cardboard in large quantities. In addition, the presses are used in the production of corrugated packaging from waste paper. Read more about the production of various products from waste paper in this article.

These devices are not only used for paper raw materials: with their help, you can press plastic bottles and other municipal solid waste.

Types of presses

Waste paper presses vary:

In addition, the presses vary in size:

In terms of design, the presses are subdivided into:

The method of loading the raw material also varies depending on the type of press:

The vertical method of loading is the most common way of loading waste paper presses. Almost all mini and standard presses are vertical.

Horizontal baler for waste paper. a powerful, large-sized machine that works continuously on the principle of conveyor loading.

There are stationary and mobile units. Their names speak for themselves: stationary ones are installed in a certain place where recycled paper is processed, while mobile ones can be transported and press waste paper wherever it is necessary.

Stationary

Stationary type equipment is purchased for:

  • Printing companies;
  • warehouses;
  • large paper recycling stations;
  • other facilities where there is a constant flow of large volumes of raw materials.

Mobile

Mobile wastepaper baler is a less bulky device and does not require fixing to a horizontal surface, which allows it to be transportable.

In addition to small size, lower density of bales and number of processed material per hour.

These presses are purchased:

  • companies engaged in the removal of waste paper from organizations and the public, t.ч. archives and documents;
  • Owners of chain stores and warehouses;
  • Small recycling businesses.

Hydraulic

This is the main type of balers used for baling of waste paper as well as rubber (tires, tires) and plastic (PET bottles). Second name. hydraulic press.

According to the type of control hydraulic presses are:

These presses differ in a number of parameters:

Automatic horizontal press for waste paper

Specially used for processing and compressing soft materials such as

The length of the packs is adjustable and the counting function for easy operation. The shredder is an additional device to shred newspapers, books and magazines before feeding them into the bale chamber and has a high capacity.

Technical Information

Models 200W 400W
Diameter of main hydraulic cylinder (mm) 125 160
Hydraulic motor power (kW) 7,5 15
Cycle time (sec) 19 20
Oil tank (l) 280 540
Number of strapping arms 3 4
Wire diameter (mm) 2,4-2,7 2,4-2,7
Loading window (mm) 625×480 1200×690
Size of loading chamber (mm) 900x500x500 1600x720x800
Bale size (mm) Lx500x500 Lx720x800
Bale density (kgf/cub.м) 350-450 350-450
Capacity (tons per hour) 1-1.5 1.5-3
Press weight (tons) 3 7
Press sizes (mm) 3600x2500x1650 6000x3200x2500
Models 600W-30 600W-50
Diameter of main hydraulic cylinder (mm) 180 180
Hydraulic motor power (KW) 22 37.5
Cycle time (sec) 24 16
Oil tank (l) 1100 1100
Number of strapping arms 4 4
Wire diameter (mm) 2.7-3 2.7-3
Loading window (mm) 1600×1050 1600×1050
Loading chamber size (mm) 2100x1100x750 2100x1100x750
Bale size (mm) Lx1100x750 Lx1100x750
Bale density (kgf/cub.м) 400-500 400-500
Capacity (tons per hour) 3-7 4-8
Press weight (tons) 13 14
Press dimensions (mm) 8000x3900x3500 8000x3900x3500
Models 1000W-80 1000WL-80
Diameter of main hydraulic cylinder (mm) 220 220
Hydraulic motor power (kW) 45 45
Cycle time (sec) 14 16
Oil tank (l) 1600 1600
Number of tie-lines 4 4
Wire diameter (mm) 3-3.2 3-3.2
Charging window (mm) 1600×1050 1800×1050
Charging chamber size (mm) 2100x1100x800 2400x1100x800
Bale size (mm) Lx1100x800 Lx1100x800
Bale density (kgf/cub.м) 400-500 400-500
Capacity (tons per hour) 5-9 5-10
Press weight (tons) 15 16
Press dimensions (mm) 8500x4000x4200 9100x4000x4200
Models 1000W-110 1000WL-110
Diameter of main hydraulic cylinder (mm) 220 220
Hydraulic motor power (kW) 45 45
Cycle time (sec) 14 16
Oil tank (l) 1600 1600
Number of strapping arms 5 5
Wire diameter (mm) 3-3.2 3-3.2
Feeding window (mm) 1600×1050 1800×1050
Charging chamber size (mm) 2100x1100x1100 2400x1100x1100
Bale size (mm) Lx1100x1100 Lx1100x1100
Bale density (kgs/cub.м) 400-500 400-500
Capacity (tons per hour) 6-11 6-12
Press weight (tons) 17 18
Press dimensions (mm) 8700x4000x4200 9300x4000x4200
Models 1250W-110 1250WL-110
Diameter of main hydraulic cylinder (mm) 250 250
Hydraulic motor power (kW) 55 55
Cycle time (sec) 15 17
Oil tank (L) 1900 1900
Number of tie rods 5 5
Wire diameter (mm) 3-3.4 3-3.4
Loading window (mm) 1600×1050 1800×1050
Loading chamber size (mm) 2100x1100x1100 2400x1100x1100
Bale size (mm) Lx1100x1100 Lx1100x1100
Bale density (kgf/cub.м) 450-550 450-550
Capacity (tons per hour) 7-13 7-14
Press weight (tons) 19 20
Press dimensions (mm) 9000x4100x4200 9600x4100x4200
Models 1250W-125 1250WL-125
Main hydraulic cylinder diameter (mm) 250 250
Hydraulic motor power (KW) 55 55
Cycle time (sec) 15 17
Oil tank (l) 1900 1900
Number of strapping arms 5 5
Wire diameter (mm) 3-3.4 3-3.4
Charging window (mm) 1600×1050 1800×1050
Loading chamber size (mm) 2100x1100x1250 2400x1100x1250
Bale size (mm) Lx1100x1250 Lx1100x1250
Bale density (kgf/cub.м) 450-550 450-550
Productivity (tons per hour) 8-15 8-16
Press weight (tons) 21 22
Press dimensions (mm) 9000x4100x4200 9600x4100x4200

Advantages of using balers for waste paper

The equipment solves several important problems for the company:

  • Allows the rational use of space in warehouses and other premises by reducing the storage area of recycled materials (one ton of baled paper takes only 1-2 “squares”;
  • Makes the transport of waste much easier;
  • Reduces the risk of fire (baled waste is much less combustible);
  • Makes it possible to sell waste paper, and also reduces the cost of waste disposal.

There are two kinds of presses. horizontal and vertical. All machines have their own special features, for example the Presona LP 50 EH1 is equipped with the option of pre-pressing the waste (the material goes through additional treatment before going to the main press).

Modern equipment has high wear resistance and the ability to form compact bales of different types of pressed material. We would like to add that the operation of these complex presses requires special skills. Training is provided by a company that sells devices.

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What is a waste paper press

Waste paper baler (or baling press for waste paper) is a device, whose main function is, using a method of compression, to form dense briquettes from the pressed mass. The latter may be square or rectangular, depending on the model of equipment. Some models of such devices may not only press waste paper and cardboard waste, but also to pack their briquettes, that is, in fact, perform the function of the baling equipment.

The design of a hydraulic baler for baling cardboard

Consider the advantages of using equipment for baling waste paper.

  • The use of the press saves space for recovered paper.
  • Waste paper formed into briquettes with such a device is much easier and cheaper to transport.
  • Baled waste paper, compared to scattered paper and cardboard waste, has a higher cost, so the use of briquetting equipment also provides an opportunity to receive additional financial benefits.

The waste paper press produces a compact bale that can weigh up to 600 kg

Particularly relevant balers for waste paper at the companies that operate in the following areas:

  • Receiving waste paper and its further processing;
  • Doing retail business through large chains of stores and supermarkets;
  • Warehousing services;
  • Production associated with the formation of large amounts of paper waste;
  • large office complexes that generate large amounts of paper waste as a result of their activities.

This makes the waste paper baler a very useful tool, especially when you have a lot of paper and cardboard waste in your yard.

Baling these wastes allows you to store them more compactly, as well as not to overpay for their transportation. In addition, the waste paper baler is an indispensable element of the equipment of enterprises producing corrugated cardboard and different types of packaging from it.

The waste paper baler, despite its name, is not only used to briquet waste paper and cardboard: it also makes compact and dense briquettes from used PET bottles and presses other types of municipal solid waste.

Types of equipment

The different types of waste paper balers are divided into a number of parameters:

The various models of baling presses for waste paper also differ in their dimensions. Thus, depending on this parameter they distinguish:

  • mini balers for paper waste;
  • Standard category balers;
  • Large machines in the professional category.

Waste paper collection point equipped with hydraulic baling presses

According to the structural design, the following devices are distinguished:

Depending on the loading scheme used, a distinction is made:

Vertical loading is most often used in large balers, designed for processing dozens of tons of waste paper

The most common type of loading used in the paper and cardboard briquetting press is vertical. Loaders of vertical type are equipped with the majority of mini-presses, as well as standard press equipment. Due to their design features vertical baling presses are more compact than horizontal ones which makes this loading scheme more appropriate in many cases.

The horizontal baler for cardboard and paper waste is a large and powerful machine that runs continuously and is often integrated into conveyor lines. Often the operation of horizontal baling presses is controlled by an automatic system.

The mobile mobile baler for waste paper and film

According to the degree of mobility, the presses for waste paper and other solid waste are divided into stationary and mobile. Stationary press for briquetting waste paper, PET bottles and any other type of waste, as its name suggests, is mounted in a specific place and used mainly in production conditions. Presses of this type briquet large volumes of recyclable materials, so the use of this expensive equipment is advisable for companies engaged in the collection and processing of waste paper on a professional level. Many models of such devices have the function of briquetting raw materials, and to control their work, they use the automatic module present in their design.

Mobile baler for waste paper. this is usually a compact mini device that can easily move, allowing its use for baling waste paper exactly where it is needed at the time.

Stationary

Stationary presses, which are used to briquet waste paper, PET bottles, as well as press other types of recyclables, are used to equip businesses engaged in:

Stationary semi-automatic horizontal press with vertical loading is designed for baling porous, bulky and “wagering” materials

There is a use for this press and other enterprises, characterized by the constant presence of large amounts of waste of different types.

The most significant characteristics of stationary machines are:

  • sufficiently large dimensions;
  • high productivity;
  • the ability to create significant pressure;
  • High functionality (many devices of this type can perform baling functions).

Stationary balers are used at collection points, waste sorting complexes, warehouses and landfills

Mobile

Mobile mini device does not require fixing to a horizontal surface, which makes it easy to move and install such a press with their own hands in any place where its application is needed at the moment. Naturally, such mini devices are not capable of high briquetting capacity, and are not able to form briquettes from waste paper with high density.

Mobile waste paper presses are usually vertical equipment, which finds application in areas such as:

  • Collection and removal of waste paper purchased from organizations and individuals;
  • Trade carried out through stores and supermarkets;
  • Collection and recycling of secondary raw materials in small volumes.
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Mobile recycling and waste management complexes can be created on the basis of small-sized presses, consisting of a hydraulic press, trailer and gasoline generator

Hydraulic

Hydraulic press, with which you can briquet paper and cardboard, as well as perform pressing of PET bottles, rubber and plastic waste, is the main type of equipment of this purpose. Many models of the hydraulic press allow briquette baling.

Home-made hydraulic press for waste paper

Hydraulic baling equipment is easy to make on your own. To create the pressure device of such a homemade press an ordinary hydraulic jack is suitable, which is selected on the basis of the size of the box for pressing, and the desired force.

Drawing of a hydraulic press for waste paper

The base is best made of 12GS building steel, produced in accordance with GOST 19282. Such quality material will help to weld the frame correctly and give it a rectangular closed frame.

Traverse (movable cross bar) and frame must meet the dimensions of the jack. The working surface with a container should be provided with vertical adjustment.

The design of homemade press equipment should include two springs, located symmetrically with respect to each other, which will return the traverse to its original position.

The final stage is the installation of the drive control system electrically. The simplest option. a two-button regulator.

Household designs of presses based on hydraulics can provide a pressing force of 100-120 kN, so they are almost as good as purchased industrial equipment.

Mechanical press

The main part of the baler for waste paper is represented by the frame, made on the basis of channels or angles of metal, sheathed with sheets and supplemented with cross bars.

Examples of drawings of the press to assemble with their own hands

Take four bars or angles of metal 800 mm long, and the same number of similar parts in length by 600 mm, connected together by welding to form a structure of two rectangles, which will play the role of the bottom and top walls of the box. Bolts or screws can be used for a stiffer grip.

Then these parts are fastened to the beams of the vertical type in the above way (by welding or bolting). The resulting square box is lined with metal sheets and reinforced with cross beams. On the widest side, a door is made.

Then the piston is welded from the metal channels, the length of which is 450-500 mm. For a stronger condition the part is reinforced with a cross bar. In its center a flange is mounted by welding, into which a rod with a pre-cut thread is inserted.

In the final step, two channels of at least 100 mm in width are welded to the main box opposite each other from the longest sides. From the top of the side, two bars are fixed to them, and in the gap between them the bearing in the cage is attached. A threaded metal rod is placed in it and secured to the piston flange.

Other production methods

The manual waste paper compact press is very easy to make. The principle of operation is similar to the garlic press:

The drawing of the press for forming paper briquettes

  • Take an 800-1000 mm long channel or metal bar.
  • The method of electric welding on the bottom of the metal box, the size of which is 200200100 mm.
  • The lower part of the box is used to install a hinged lid. through it take out waste paper bales. With a drill on the sides of the box make small through holes, which evaporates excess moisture from the waste paper.
  • Movable lever is fastened with a metal “finger” (length. 1000 mm) and fastened on top of the channel. Similarly, the movable piston is attached to the lever.
  • The piston is a rectangular sheet of metal. A long bar is welded to its middle, so that it becomes parallel with the main channel of the frame at full compression.
  • This device is bolted to the wall at a height of 1000-1500 mm.

After completing this construction and securing it to the wall, you can begin testing the finished equipment:

  • Initially, it is necessary to soften the paper in a separate container, first pouring it with water.
  • Using a construction mixer, thoroughly mix the resulting mass.
  • Put the formed “porridge” into the press box, insert the piston and push downward as far as it will go.

Scheme of pressing fuel briquettes from soaked paper pulp

This action should be repeated several times until the waste paper is maximally compressed and turns into a bale. The finished bale is extracted through the hinged bottom lid on the box.

Technology and materials

Before deciding on the design and, accordingly, the amount of materials needed, you need an understanding of where the press will stand. The height of the ceiling in the room directly affects the size of equipment.

There is no point in making high-powered presses for plastic, because the price of labor and purchased parts almost equals the cost of an industrial machine.

The advantages of self-assembly:

  • Saving money: sometimes very relevant, especially in the organization of small businesses;
  • Available materials, which are available even in the most remote cities;
  • there are no costs for transportation and installation of heavy equipment, it is assembled directly on site;
  • the press is made strictly for their tasks, the size and density of the bale depends on the wish.

Tips and tricks

Both are good as cardboard presses. Even more powerful devices can be made with your own hands. This does not require any extra skills, especially since the basis of the machinery will remain the same. Press not only paper but also plastics, soft metals (like those that go on beverage cans), and more.

Recommended: Making a briquetting press for pressing sawdust

To increase the power you can use these solutions:

  • The chamber under the raw material can be strengthened with thicker metal sheets, angles, etc. п. The same procedure can also be performed on the piston with a channel or cross bars.
  • For more convenient operation of the piston, it is possible to provide for the use of a bearing in the design.
  • A variant with a wheel can be used instead of a usual lever.
  • The device can be connected to the mains. This will simplify the work, but will initially require additional costs and equipment.
  • If you are experienced, it is important to allow the jack to be moved from one position to the other during the harvesting process.

Made with their own hands press for paper. a fairly compact, does not require compliance with any special rules (except for safety) device. It can be of real use in the city and in the country house. Such designs are also used in farms, peasant farms, in t. ч. and in the forage harvesting process.

Other manufacturing methods

The manual waste paper compact press is very easy to make. Its principle of operation is similar to the garlic press:

Drawing of a press for forming paper briquettes

  • We take a channel or a metal bar 800-1000 mm in length.
  • The metal box, the size of which is 200200100 mm, is attached to the bottom by means of electric welding.
  • The lower part of the box is used to mount a flap. bales can be removed through it. With a drill on the sides of the box make through small holes, by which the excess moisture evaporates from the waste paper.
  • The movable lever is fastened with a “finger” made of metal (length. 1000 mm) and attached to the top of the channel. Similarly, a movable piston is attached to the lever.
  • The piston is a rectangular sheet of metal. A long bar is welded to its middle so that it becomes parallel to the main channel of the frame at full compression.
  • This device is bolted to the wall at a height of 1000-1500 mm.

After completing this construction and securing it to the wall, you can begin testing the finished equipment:

  • Initially, it is necessary to soften the paper in a separate container by filling it with water.
  • Use a construction mixer to mix the resulting mixture thoroughly.
  • The formed “porridge” to place in the press box, insert the piston and press down to the stop.

Scheme of pressing fuel briquettes from soaked paper pulp

This action should be repeated several times until the waste paper is maximally compressed and turns into a bale. The ready bale is extracted through the bottom hinged lid on the box.