Puidutööstus - Elister

Centralised residue suction solution for grinding workstations

Made

Intermediate sanding is often a necessary procedure in the woodworking industry, where, in addition to sanding, the dust generated must also be collected. Although in many cases this can be done with just a sander and a vacuum cleaner, it becomes more complex when there are several sanding sites. It is not economically viable to purchase a separate vacuum cleaner for each grinder, as their motors require frequent replacement due to the heavy loads they are subjected to, and energy consumption also increases significantly.

Purpose

A more effective solution is to centralise the dust removal system and add automation. Such a system starts the filter when the first workstation is activated and automatically opens the valves in the required work zone, thus saving energy. As each workstation starts up, the corresponding valve opens, ensuring optimum use of power according to the need of the moment, while a large unit is not needed as not all operators are grinding at the same time. When the last workstation stops, the filter automatically switches off, further optimising system efficiency.

This approach not only reduces energy consumption and wear and tear on equipment, but also makes the whole process smoother and more environmentally friendly.

Solution

For this project we used GRAM high vacuum unit HFU together with the central dust collection piping and automation built in, allowing for the most optimal and user-friendly use.

The grinding dust residue generated by all jobs is now collected under the machine in a collection box, and energy consumption is significantly reduced.

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Setting up a cooling section for the dryer oven

Client

Made

We've done some solutions for this wood manufacturer before, but this one is a must for any manufacturer with wood staining in production.

The problem with

In automatic wood finishing lines, it is crucial that the parts cool sufficiently after coming out of the kiln to avoid damage to the products due to packaging. Our client encountered a challenge where products did not cool sufficiently before packaging, increasing the risk of surface damage during packaging.

If you're facing similar challenges on your production line or simply want to optimise your processes to ensure a quality finish, Elister Ltd is here to help. Contact us to discuss how our innovative solutions can meet your business needs.

Solution

Elister OÜ's team solved this problem by adding a specially designed and adapted cooling section to the existing finishing line. This innovative solution integrates cooling directly into the drying process, ensuring fast and efficient cooling of the paint layers. This results in perfectly finished surfaces without damage or defects.

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Timbeco Woodmill production is irrigated by UNIFOG irrigation system

Client

Made

Location

Timbeco Woodmill OÜ is dedicated to the processing of timber and the production of log houses. With a history of more than 30 years in the production of wooden houses, the company stands out for its commitment and quality work. Timbeco is renowned for its innovation and the quality of its timber products, which are the result of years of experience and continuous development.

Purpose

The client's main objective was to achieve a uniform and optimum moisture level in the glulam production process. This is critical for a high quality and durable product. Controlling moisture levels is necessary to ensure product consistency and durability, which are the cornerstones of Timbeco's reputation and quality.

If you would like to integrate a similar irrigation system into your production process, please feel free to contact us. Our team will help you find the best solution to meet your needs and ensure a high quality end product.

Solution

In order to achieve this goal, we installed a 1 zone system in the customer's production premises. UNIFOG irrigation system. This system is specifically designed for industrial conditions, offering flexibility and efficiency. The system also has the capacity to expand to other production areas, thus ensuring a wide-ranging solution.

In addition to the irrigation system, we also installed a. water cushioning systemto ensure quality water for irrigation equipment. This ensures smooth system operation and helps keep maintenance costs low. High quality water means that the maintenance costs of the UNIFOG system are virtually zero, ensuring financial savings for the customer and long-term system efficiency.

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Tiptiptap paints products in a modern colour space

Tiptiptap

Client

Made

Location

TipTipTap is a good family business that started with a playground made for a child. The products are based on scientific research and materials on the links between movement and development. Tiptiptap products can be found in Europe, Asia and the Arab world.

Purpose

TipTipTap, a successfully developed company, took an important step forward in expanding its production capacity by moving to larger production facilities. This important step focused on the relocation and modernisation of the finishing area. The main objective was to improve air quality while ensuring a reduction in heating costs. In addition, it was important to create a clean and ergonomically improved working environment for operators that was both safe and efficient.

Solution

This ambitious project implemented an innovative solution for the colour space. The new ventilation system, with a capacity of 10 000 m³/h and meeting ATEX standards, is now the core of the colour room. The system is characterised by its intelligent automation, which continuously monitors air quality. This allows the operating speed of the air handling unit and the amount of circulating air to be optimally adjusted. This approach not only ensures a constantly controlled and safe working environment for the operators, but also helps to significantly reduce heating costs. This means that the company is able to maintain high industrial standards while providing a cost-effective and environmentally friendly solution.

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Natural AS efficient heat recovery ventilation in a paint hall

Client

Made

Location

Natural AS is a well known domestic woodworker in Estonia, which started its production in 1990 in Koeru and has continuously invested in the development of the company and production. Natural AS's main products are strength graded planed timber (framing material), decking material, various profiled boards, precision engineered wood components and roofing ferms.

Purpose

The company had set up a modern wood dyeing hall, where they wanted to install a modern and economical ventilation system that could also serve as a drying room if necessary.

The heat energy recovery efficiency is above 80%.

Solution

We supplied Natural AS with an efficient heat recovery ventilation system with a heat recovery efficiency of over 80%.

We ensured that the system would work relatively automatically and that the switchover between on and off mode would be automatic.

As Natural's representatives wanted to have a drying mode for drying wood materials other than paint, we supplied a machine with this option and created a corresponding function in the automation.

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Barrus AS irrigation system special solution for outdoor storage facility

Client

Made

Location

The Barrus timber industry is located among the forests of Võrumaa in Verijärvi. Elevandi's self-confidence and hard work have made Barrus a market leader in the field of glued laminated timber components throughout Europe.

Client need

Barrus approached us to adapt and extend an air humidification system previously installed in their large warehouse. Positive experience with the system's operation and results gave us the confidence to extend this approach to new premises.

In a new three-zone warehouse, the client wanted to ensure a stable and high humidity level in each zone separated by curtains or doors 80%RH.

Such a system is essential to keep the wet sawn timber to be stored in optimum conditions before it is sent to the dryer to avoid premature drying.

If the temperature in the pipework is close to the freezing point - there is no need to switch anything on separately.

Solution

We set about designing a plan that would meet the client's requirements, including customized irrigation zones that would allow for spraying primarily from the top down, thus creating an even layer of moisture in each storage area. The location of the control system was chosen by the client for the interior of the building, which ensured easy access and efficient monitoring of the system.

Our solution ensures that the moisture level does not drop below 80%, meeting the customer's need to keep the material moist before it enters the dryer. The pipework is insulated against the winter cold and equipped with an automatic heating cable that is activated immediately when the temperature in the pipework is close to the freezing point - no need to switch anything on separately.

Putting the needs of our customers first is at the core of our business philosophy, and we are proud to be able to offer such personalised and high quality solutions. This project is about our commitment to delivering solutions that not only meet the current needs of our customers, but also lay the foundation for long-term success.

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Compressor heat recovery solution for window and door manufacturers

Client

Made

Location

AS Viljandi Aken ja Uks has been one of the largest manufacturers of windows and doors in the Baltics for thirty years, with the aim of providing high quality windows and doors. The company has been growing steadily over the years, as a result of which we have developed into one of the largest window and door manufacturers in Scandinavia.

The story behind the project

One fine day, we received a happy call from our good client in Viljandi, who... raised an interesting question: could we find a smart solutionto take advantage of the energy generated by compressors ice heat and channel it efficiently into heating ventilation equipment.

Knowing that the residual heat generated by compressor operation is usually wasted if it is simply used to cool the oil, causing the room to become too hot, we saw great potential in this challenge and were ready to put our own spin on the solution.

 

As a result of this technological solution, we are now able to channel the residual heat generated by the compressors efficiently to heat the ventilation equipment. This not only contributes to energy efficiency, but also creates a more comfortable and optimal working environment for our customers.

Solution

We developed a centralised node that included control automation for four compressors, where safety was a priority. We brought out dedicated connection points for the compressors and created a compact and straightforward system. Thanks to innovative heat meters, the customer can constantly monitor how much valuable energy the compressors are producing.

As a result of this technological solution, we are now able to channel the residual heat generated by the compressors efficiently to heat the ventilation equipment. This not only contributes to energy efficiency, but also creates a more comfortable and optimal working environment for our customers.

We are extremely proud of our team who managed to find an innovative solution that not only helps protect the environment, but also delights our client in Viljandi. Our goal is always to provide the best solutions, and we will happily continue to explore new opportunities to help our customers achieve even greater success and sustainability in their businesses.

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"For us, this installation will produce 2MW of heat per day. Well done by the Elister team!"
Raiko Sarap
Viljandi Aken ja Uks Technical Manager

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Any ideas that could be reviewed together? Contact us

Or come and visit us

Come and visit us at our Jüri office at Kesk tee 10, Jüri, Rae vald, Estonia

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Two new robots join the Viking Window team

Client

Viking Window

Made

2022

Location

Mäo

At the end of 2021, we started negotiations with window and door manufacturer Viking Windows on a new potential robotic solution. Namely, the customer wanted to upgrade the painting part of an already existing line and add additional automated robotic functions.

The aim was to create a painting area for two robots that use a scanner to detect and paint the product. The entire line was to be operated by a single person. Two painting robots from the manufacturer CMA, marked GR6100E, were used.

The robots were once again equipped with a GRACO colour change system for six colours, powered by GRACO Merkur colour pumps.

To make it easier to hang larger and heavier products on the conveyor, a "Drop Section" with a lifting capacity of up to 200kg was installed.

For the automatic cleaning of products, we installed ionizers with rotor heads and dust static dischargers. cleaning unit, with a working height of 2.8 m and a working width selectable up to 250 mm. The start and stop of the machine is automated by means of a moving boom detection. 

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A North-Estonian timber company upgraded its entire mill irrigation to a UNIFOG pipe irrigation system.

Client

North-Estonian timber company

Made

2022

Location

Rakvere

Most of us probably know the proverb "A rainy iron summer", and we can say that this would probably best describe the maintenance of irrigation systems or the creation of new systems.

Our good customer wanted to modernise the factory irrigation system with some special conditions. The system had to be as maintenance-free as possible, and the control panel had to be located in the technicians' room.

For our part, we can assure the client that the services we offer are. UniFogi the pipe-feeding system meets all these requirements. In addition, the client already has experience with our irrigation system when we installed an additional zone in an outbuilding based on a pipe irrigation system. Pipe irrigation requires no more maintenance than changing the oil and seals in the water pump when the water is good, and the control panel can be up to 500 metres from the pumping station.

As this was one of the largest irrigation systems we had delivered, with 16 irrigation zones in total, it took a total of three weeks to install.

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