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Disinfection Tunnel

Distinguishing Features of Our Disinfection Devices

One of the most important causes of contamination of viruses, which is our agenda nowadays, is actions such as touch and contact. People carry a serious virus burden with products such as clothes, shoes, and infect with contact. The places where they sit, where they touched, where they touched, are contaminated and cause the next toucher to transport microorganisms to their environment in a logarithmic way.

For these reasons, the contamination caused by contact with clothing, shoes, and hand of a person who comes to an institution, home, market, bank and all kinds of buildings from outside cannot be prevented, no matter how sensitive is shown, no matter how much hand hygiene is observed.

The reasons, only a very short part of which is explained, reveal in particular the importance of disinfection in entering places such as institution buildings, banks and markets where it is obliged to provide services even during this period. Besides, disinfection will be a part of our life after this day. For these reasons, the devices that have the ability to produce long-lasting service in this regard have emerged as a necessity, unlike temporary solutions resulting from a boom such as canvas, advertising material, portable tent.

There are two important focal points during the operation with this device. The first is to protect human health, and the second is to reduce the number of microorganisms to the number of 10-6, which is the necessity of disinfection. From this point of view, the fact that the subject is actually a health-based subject and that people or companies without health basis should be directed to the product only conventionally for profit purposes may turn the benefits into harm. Providing both focal points depends on the provision of some conditions during the design, manufacture and application of this device. Here’s the thing:

1- Tent-type products manfactured by people or companies without a health base with simple logic in the industry show weakness in terms of protecting human health and some of them reveal products that are uninformed at a level that can harm human health. In order to prevent microorganism retention, such devices should be made of materials that are integral to the body outer surface at the design stage and that can minimize microorganism retention and, if necessary, can be disinfected with mechanical disinfection. Two materials suitable for the production of such device and the said conditions are polymer fiber developed with stainless steel and ground glass. Materials such as canvas and dakota are textured materials and they have no surface smoothness.

2- Open profile chassis are vulnerable to all kinds of risks such as oxidation, corrosion and rust, and will increase the retention and spread. For this reason, the profiles that make up the chassis should also be made of stainless steel and should remain inside the body cladding, and should have no contact with the outside and the user.

3- The corners of the design should be rounded and made without any sharp corners.

4- No concealer should be used to contact the user, such as a portiere. Using this will create contamination between the previous user and the next user due to contact the entry of the person entering through the portiere. Therefore, even in applications that require mandatory shutdown, there is no alternative except for the automatic sliding door with the sensor. The device, where such a door can be installed, must have a certain weight and carrier. It is not possible to apply sliding doors in products such as tarpaulins and awnings.

5- The disinfectant used must be respirable. In addition, it is necessary to be homogeneous and have standard activity in every spraying.

6- THE PREMIUM and PRO models, which are the GEMTEK GMTK 0120 series, both meet the above mentioned chassis and body features. The chassis is made entirely of stainless steel profile and the body remains within the outer surface. As regards the body, the PREMIUM model has a stainless steel, an outer body surface which is rigid, a rounded surface with no sharp corner. The surface of the PRO model is the polymer fiber outer body surface, which is developed with ground glass, is a rigid, rounded surface with no sharp corners.

7- A few factors are involved in targeting reducing the number of microorganisms to the number of 10-6, which is the necessity of disinfection. Disinfectant welding, engine feature and power, pump pressure, nozzle counts and placement and pulverization thickness, presence of solution pool, pulverization method, providing homogeneity of the disinfectant.

8- In products where the source of disinfectant is mains water, chemical dossing is administered to mains water by dosimeter. This method poses problems in several points.

9- The first is that dosimeter must be calibrated continuously and should make standard dosing. SSuch a process is not made in practice, nor is it possible to do it continuously. It is not possible to follow whether a dosimeter without calibration is dosed chemical and how much it is dosed. Therefore, the disinfectant activity that each user is exposed to during spraying is non-standard and the safety of disinfection due to pulverization stardardization cannot be guaranteed.

10- Secondly, the dosimeter is an equipment that can malfunction too much and it should be checked constantly if it works. Such a check is not constantly possible. Therefore, it cannot be determined whether users are really sprayed with a disinfectant or only with mains water.

11- Creating such a structure with a dosimeter also means instant disinfectant production. The water in which the disinfectant is produced must be ionized water, which has undergone softening and passed through the reverse osmosis system. It is not possible to obtain water and disinfectant quality in such production by dosing chemicals with dosimeter to the water coming from the network.

12- All GEMTEK GMTK 0120 series devices are fixed to the disinfectant tank made of polymer reinforced with 200 liters of stainless steel or ground glass. These tanks are placed inside the body. They are definitely not external units. Thus, a disinfectant standard has been achieved and a homogeneous structure has been created. The disinfectant is produced in a chemical production facility with ionized water, which is passed through the softening process and reverse osmosis system, and is filled in 200 liters of barrel at a facility having biocidal product license by our service, and approximately 10,000 people have a healthy and standard disinfection process with 200 liters

13- The engine feature to be used in such a device should be a high-performance motor that will feed the pump that will provide high pressure, have a rigid construction that resists frequent stop-run, has a rigid construction that reduces vibration by absorbing resonance, and provides the standard requirements in engine sound.

14- A simple circulation pump is used instead of motor coupling pump triplet in the products made in practice. Because these products do not create pressure, they cannot pulverize the solution. In other words, it cannot perform a shot in the form of fogging by separating it into particles. It sprays solution in the liquid form. As this does not provide homogeneity, it does not penetrate all surfaces where microorganisms expressed by microns are located, and causes the user to get wet. That’s to say, both disinfection security and user comfort cannot be provided.

15- Using a simple circulation pump instead of a motor with high fault resistance against frequent stop-start will risk all disinfection carried out so far due to the device’s failure during the the user’s pass.  The annual duration of failure should not exceed 0.1% of the annual working time. This rate corresponds to 30 minutes in approximately 30,000 minutes, where there are 1,000 passes per day.

16- GEMTEK GMTK 0120 series was not satisfied with only one circulation pump type in all devices; Along with the features listed above, the POWER ENGINE + FLEXIBLE COUPLING + PRESSURE PUMP trio is used, which includes many other features not written here.

17- Pump pressure should provide the necessary performance in order to lower the pulverization micron of the nozzles to be used. Pumps that can create pressure of up to 100 bar pressures can be used together with nozzles that can pulverize within a thickness of 1.5 microns. However, since it is not possible to provide this pressure with only one circulation pump, pulverization micron increases, and as the micron increases, disinfectant evolves into liquid form.

18- In all GEMTEK GMTK 0120 series devices, piston pump that can provide 100 bar pressure is used and integrated into the power engine with flexible couplings.

19- The number of nozzles to be used for spraying or pulverization is not enough as 2 or 4 pieces. This number will be completely inadequate as the pulverization micron is high depending on the above causes. The criterion here is to ensure that a pulverizer that will be operated for 4 minutes in a 25 m2 closed room has fogged the entire room. Although the amount of micron thickness that will provide this effectiveness is also associated with other factors such as engine power, pump pressure, a completely fogging of a 25 m2 room in 4 minutes can be provided with 8 nozzles with a pressure of 70-100 bars under normal conditions.

20- When the calculation is made to ensure this effectiveness, if the internal size of the disinfection tunnels is based on an average of 2.5-3 m2 and the two sides are open, it is necessary to use a minimum of 8 nozzles for this quantity.

21- In all GEMTEK GMTK 0120 series devices, disinfection safety has been tried to be guaranteed by using 12 nozzles with tolerance instead of 8 nozzles.

22- Not only the number of nozzles, but also the settlements and angles are the requirement for the correct disinfection. Only products that are one piece from the top can be revealed as a disinfection tunnel. In the best conditions, disinfection is tried to be performed with 5 nozzles, including 2 on the right and left side, 1 on the top.

23- In GEMTEK GMTK 0120 series, 4 of the 12 nozzles are located on the right, 4 on the left and 4 on the top. Among them, 2 + 2 with 50 – 80 cm spacing on the right side, same on the left side, and on the upper side with the same spacing are placed on 2 bands. Thus, a fogging area or a second tunnel has been created inside the tunnel. The angles of the nozzles are focused on the mentioned 50-80 cm fogging area. All 12 nozzles perform fogging and pulverization in the range of 1.5 – 2 microns.

24- In addition to pulverization with a sufficient number of nozzles, it is another subject and perhaps disinfection of shoes, which is one of the most important elements of carrying. Although the shoes are exposed to disinfection by means of fogging, there is a need to disinfect the bottom parts.

25- In the products seen in practice, the ground is generally absent or unsuitable materials are used. Also, since the spraying micron is too high, the solution accumulates on the ground, spreads around and creates pollution.

26- The ground consists of three parts in all models of the GEMTEK GMTK 0120 series. The first part is a mat for dust-taking with non-slip PVC floor, in the middle a special flexible polymer mat solution pool where shoes will be disinfected, and the third part is structured in the form of drying mat with non-slip floor. Since the nozzles are in the range of 1.5-2 microns of spraying and perform fogging, there is no spread of any solution accumulation and spread on the ground.

27- The disinfection process requires information of specific works such as sterilization, disinfection, antisepsis, asepsis. The device must be designed and manufactured in the light of this information.

28- Operating costs should also be taken into account when designing and producing the device. In addition to the amount of failure, disinfectant consumption should be taken into account as well.

29- A laser sensor is used in the entire GEMTEK GMTK 0120 series. In this way, delayed spraying has been provided and disinfectant wastage has been prevented by providing disinfectant fogging when the user entered the tunnel and came to the spraying area. Thanks to adjusting the spraying setting, the user’s arbirary wait and extra processing is prevented.

30- Energy consumption as well as failure rate have been reduced to 0.1% of the annual operating time thanks to the by-pass system engine.

31- The device is designed and manufactured to operate and be used wherever there is only 220 V of electricity. Other than that, it does not require any external resources. It does not require any water mains connection or waste drain. So it can be used in the plug-and-play feature.

Disinfection Tunnel Building Elements

CHASSIS: The chassis that forms the skeleton on the inside of the body is made entirely of stainless steel profile. The reason for this is the aim of eliminating the risk of endangering human health and disinfection safety by creating a chemical reaction with disinfectant such as rust, corrosion, oxidation of other purpose elements that may be in contact with the structural elements that perform the disinfection process in a device that will perform the disinfection process.

 WELDING: All the points where the chassis parts and other elements join to the chassis are welded again with argon welding, which is stainless steel. Not only in the building but also in the joints of the building, the occurrence of adverse effects such as rust, corrosion and oxidation is prevented.

 OUTER BODY GMTK 0120 PREMIUM: The outer body of the Premium series is made of stainless steel. The joints of the outer body with the chassis are also made of stainless steel by means of argon welding. The raw material size constraint in stainless steel has been eliminated by filling the joints of all parts with steel putty after welding, 3 layers of coating, then 3 layers of oven-dying, and a matt varnish as the top layer, consequently a solid exterior surface is obtained.

 OUTER BODY GMTK 0120 COMPACT: In the Compact series, the outer body is fitted on the chassis as a solid body with a special mould. Polymer fiber developed with ground glass was used as the material. A bright, smooth surface is obtained, thus microorganism retention is strictly prevented.

 OUTER BODY DESIGN: Both models were rounded to prevent microorganism retention. Cleaning and disinfection of the device has been facilitated by preventing inaccessible points in mechanical disinfection of the device.

 INNER BODY: In both models, the inner body surface is flattened and standardised, non-texturised plexiglas is used. A structure suitable for both mechanical disinfection and lighting has been created. The rear part of the flexible inner body is fully illuminated with led light, so that necessary lighting is provided in the tunnel.

 INSULATION: In both PREMIUM and COMPACT series, the inside of the entire body is insulated with antibacterial silicone between the profiles and the entire inner surface with high-density styrofoam.

 INSTALLATION: Either series is produced in 3 disassembled form for the solution of problems such as different installation places. The installation of 3 parts, including two side columns and roof, is carried out with steel screws with nuts. The joining surfaces of the parts are covered with rubber insulation material. The internal elements of each part are shipped assembled, and after the parts are assembled, the device becomes available as a result of attaching 4 flow pipes to each other with the connecting element.

 200 LITER TANK/RESERVOIR PREMIUM: The disinfectant tank in the Premium series is made of stainless steel like all its elements. Thus, all kinds of corrosion, oxidation, rust, etc.negatives are prevented. During the production of the tank, the stainless steel structure was preserved using combination argon welding. The sides are fastened together with stainless steel round tubes so that the tank does not inflate to the sides with the disinfectant load.

 200 LITER TANK/RESERVOIR COMPACT: The disinfectant tank in the Compact series is made of polymer fiber developed with ground glass, which is the same material as the outer body surface. The outer edges are surrounded by a stainless steel profile in case of swelling from the disinfectant load.

To ensure their effectiveness, disinfectants should be produced with softened water and once homogenized, it must have a certain stagnation and waiting. This can not be achieved on the basis of mains water connection and adding chlorine to the water from the line by dosimeter. One of the problems that this situation will create is homogeneity. Chemical application to be dosed to water coming from the network is suitable for devices such as washing machines where the product will be treated in water. In instantaneous passing disinfection, the chemical that cannot be homogenized in the water coming from the network does not have the possibility to carry disinfectant in every particle when it is particulated. In PREMIUM and COMPACT series, the homogeneity of disinfectant, which is one of the conditions of disinfection safety, has been ensured by placing the tank in the body.

In addition, the dosimeter is a device that must be calibrated continuously, and must be checked continuously for any malfunction. Whether or not the dosimeter is operating during the user’s pass and consequently disinfection has taken place cannot be guaranteed. In PREMIUM and COMPACT series, the system sprays the disinfectant in the tank at the moment of spraying, and besides the disinfection guarantee, disinfection safety and continuity are provided without any external factors.

In addition to this, the need for any external source of the device has been definitely prevented, additional work such as assembly overhaul has been eliminated, besides the occupational health and safety risks associated with the external pipes carrying the network water to be drawn later, visual pollution is prevented.

Another advantage of having the tank in the body is that the device has gained plug-and-play feature.

POWER ENGINE: An engine has been used both in Premium and Compact series with numerous superior features such as having a varnish insulation which extends the engine life up to 10 years, a rigid construction which absorbs resonance occurring in unexpected situations during operating, an optimized cooling performance which has met the conditions by testing, bearing life of up to 5 years longer by standardizing tolerances 15 times finer than a human hair, an engine sound of 15% less than the standard requirements and a bypass system that saves energy consumption. Thus, the number of failures was reduced to 0.01% of the annual operating time, and many benefits such as low resonance and no noise have been provided with the power to supply the pressure pump which will provide high pressure up to 100 bar pressure.

FLEXIBLE COUPLING: In either model, flexible couplings are preferred for the elements that combine the power motor and the pressure pump. The intermediate elements of the pressure pump operating depending on an engine, which determines the resonance/vibration and silence feature, are the “COUPLINGS” which act as a transfer. The elimination of resonance may not be possible in a working part, but can be reduced to an unnoticeable level. Low resonance not only improves the comfort of use, but more importantly, it reduces the vibration in the entire mechanism and prevents damage. Considering all this information in the design and production stages of PREMIUM and CPMPACT series, noise pollution is prevented, the ease of use is ensured, service need has been reduced and device life is extended. In order to provide these features, “FLEXIBLE COUPLINGS” have been preferred in the selection of “COUPLINGS” that transfer the power between the engine and the pressure pump.

 PRESSURE PUMP: Disinfection is a process that must be maintained. For this reason, the device must be in continuous operation. A discontinuity that may occur in continuity will result in the risk of contamination that will render invalid the disinfection process performed so far. Therefore, a flexible coupling integrated piston pump which has the ability to work 24 hours 365 days is preferred in the PREMIUM and COMPACT series.

 FASTENERS AND FLOW PIPES: The degree of pressure resistance of spraying flow pipes affects performance. The most important element that determines the micron being low and the pulverization performance in spraying is the flow pipe. The use of flow pipes with low compressive strength limits the pressure. This limitation raises the spraying micron while lowering homogeneity. In practice, air pipes with resistance of 6-8 bar are generally used. Both PREMIUM and COMPACT series of GMTK 0120 devices use 100 bar pressure-resistant fibrous flow pipes to avoid this weakness. Since flow pipes take on the task of switching high pressure disinfectant, its being free temporary solutions such as plastic clamps or will cause many problems. User security will be put at risk and OHS issues will be unavoidable. For this reason, the PREMIUM and COMPACT series have been specially secured using rubber-insulated clamps to prevent damage to the flow pipe.

STAINLESS STEEL NOZZLES: Spraying nozzles are stainless steel in both PREMIUM and COMPACT series. This increases the wear resistance of the nozzles, resulting in a long life span. Another benefit is that it does not cause corrosion and oxidation and prevents harmful formations such as rust. In this way, the disinfectant does not assume any harmful chemical structure by interacting with another structure.

SPRAYING THROUGH 2 MICRON THICKNESS: Both PREMIUM and COMPACT series perform the disinfection process with a disinfectant pulverized by a spraying method of 1.5 – 2 microns. Thus, it does not wet the users, and it can inactivate even the smallest microorganisms that can be found on them. 1.5 to 2 Micron pulverized spraying provides both homogeneity and prevents waste by controlling of disinfectant consumption.

AUTOMATIC SENSOR AND AUTOMATIC REPORTING: PREMIUM and COMPACT models work only when there is a pass thanks to the laser automatic sensor. From the moment the user enters the tunnel, no spraying is done until they reach the spraying area. There is no unnecessary consumption due to the delayed sensor. Even if the user waits in the tunnel, it stops spraying at the end of the specified time. Thus, consumption is not left to the discretion of the user, it does not create a waiting density and provides savings.

The other contribution of the laser sensor is to provide tracking of information such as the number of passes, working time, with the option of adding a screen. It is also optional to report this information electronically to the desired address in specified periods. Thus, many information such as daily pass, consumption, chemical level, malfunction status can be tracked and intervened with prior knowledge if necessary.

PLUG & PLAY: Devices that require installation and connection necessarily require a lot of additional work, process and costs. There are many disadvantages such as installation suitability, installation revision, closing the installation area. In addition to all these, the installation structures related to the external sources of a device or equipment to be installed in an area that is in use will cause OHS risks and issues, visual pollution and the comfort of use of the area. For these reasons we aim the GMTK 0120 PREMIUM to be a Plug & Play device necessarily and not to require any external source other than an electrical outlet. Taking all this into consideration, PREMIUM and COMPACT series have been designed and produced without requiring any external connection apart from 220 V plug. This feature has also provided the device the feature of plug & play. Thus, the device has been manufactured as a portable, easy-to-install device without any connection to create image pollution.

GROUND STRUCTURE: The ground structure consists of entrance ramp, interior ground and exit ramp. The interior ground comprises three parts. The entrance ramp and 80 cm of the interior ground serve as dust taking with a special plastic-bottomed non-slip mat. The exit ramp and 80 cm of the exit side are designed as a dry mop. The remaining part in the middle of the two parts has been transformed into a solution pool and the disinfection of shoe bottoms have also been made possible.

Images From Manufacturing

Technical Specifications of Disinfection Tunnel

TANK/PEOPLE ≈ 10,000 PEOPLE/200 LITERS≈ 10,000 PEOPLE/200 LITERS≈ 10,000 PEOPLE / 200 LITERS
MOTOR POWER / kW0,55 kW0,55 kW0,55 kW
MOTOR SPEED (RPM / MINUTE)1410 D/D1410 D/D1410 D/D
STANDARDTS EN 6034-1TS EN 6034-1TS EN 6034-1
PUMP POWER (kW)0.4 kW0.4 kW0.4 kW
PUMP SPEED (RPM / MINUTE)1450 D/D1450 D/D1450 D/D
EXTERNAL SIZE (W*H*D) CM140*230*180140*230*220160*240*250
INTERNAL SIZE (W*H*D) CM80*200*18080*200*220100*210*250
CHASSIS WEIGHT  / KG106.5114.5126.5
EXTERIOR BODY WEIGHT  / KG86.7102.1120.8
TANK WEIGHT EMPTY / KG24,224,224,2
TOTAL WEIGHT EMPTY / KG267.4290.8321.5
TOTAL WEIGHT FULL / KG467.4490.8521.5


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