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УДК 626.81
Atamov A.A.
Majidov N.N.
Namangan Engineering-Construction Institute THE METHOD OF INCREASING EFFICIENCY WITH CHANGING THE CROSS SECTION OF PIPES ON THE INSTALLATION OF A HEAT
EXCHANGER
The article discusses the importance of using the floor heating system at the present time, the advantage of using floor heating systems and gives recommendations on the types of buildings, structures and enterprises for designing with floor heating systems.
It is being brought up using various types of heating systems in the heating of buildings. Heating in the heating of buildings by the current period it is desirable to choose the most optimal and comfortable appearance for the person of the system. One of such heating systems is the hot floor system of the premises.
The floor heating system is a low-temperature system. In such a system, the floor surface is used as a heat dissipating source. Despite the use of conventional boiler devices as a source of heat, the floor heating system is fundamentally different from the radiator heating system by the method of heat dissipation. The main features and advantages of floor heating system include: as a heating element, the full surface of the floor serves; heating devices are not put; provides effective use of the living area [1]; Low temperature of the heat carrier, which makes up +25-45 os; from a physiological point of view, the temperature in the room height is distributed in a comfortable position for a person;
For the floor can be used various covers (wood, stone or ceramic; there is an opportunity to use a suitable source of energy for heating water. It can be used for heat pumps, solar collars or geothermal sources, ranging from coal, gas, diesel or electric powered boiler equipment;
from the point of view of hygiene, it also fully meets the requirements. In such a system, the amount of pollen in the air and the bacteria that secrete various diseases in them is reduced several times;
it is made from heat energy consumption economy. In residential buildings 2030%, in high-rise roof buildings, for example in sports halls, in pavilions of the Bay, in architectural buildings up to 50% and higher amount of thermal energy is economized;
unlike hot radiators, in floor heating systems, ionization of room air does not occur, which is unfavorable for a person, negatively affects his health. Will not be the source of intense heat radiation around the human loved one and;
the maximum temperature of the floor surface in rooms where people are always + 23-24 os;
in floor heating systems, almost 70% of the heat supplied to the room is transmitted in a pleasant mode of radiation in such a way that the dust does not rise in the room Air [1]. In buildings designed with floor heating systems, there is the possibility of placing and silencing room furniture in an optional place in the room.
With the passage of years, the use of floor heating has become popular. The popularity of the floor heating system is caused by the following factors: first - the floor heating system allows you to uniformly heat the entire volume of the room. When using the floor heating system, the printing" keep your head in the cold, your foot in the heat " is applied. Secondly-on account of the fact that the floor heating system does not install heating devices and radiators into the rooms, it is possible to create an additional useful area in the room[2].
In addition to the above, there is an opportunity to connect the floor heating system to a hot water supply system or power source. The floor heating system is an ideal system for bathrooms, toilets and kitchens. It is not an exaggeration to say that it will be pleasant for a person washing from the shower to put a foot on a warm floor. In addition to these, it is recommended to apply the use of floor heating in water pools, saunas, children's institutions (taking into account the fact that children like to play on the floor), health care facilities, pharmaceutical (pharmacy) and other manufacturing enterprises. Because the above-mentioned enterprises require the creation of clean rooms for production. This can be created without installing radiators and pipes in the rooms with the use of a heating system lying under the Floor[2].
With the help of electricity, the floor-to-floor heating system can be organized with the help of special electric blankets (special fabric-sheeting into which electrical wires are woven), which are recommended by various manufacturing enterprises. Such electric blankets are equipped with electronic indicator sensors, which can be controlled by a computer. This type of electric poles can be controlled and controlled depending on the weather. They are convenient and reliable, but like all high-tech equipment, require large capital expenditures.
When designing buildings with a floor heating system, it is necessary to comply with the following requirement, that is, to ensure that the maximum temperature of the floor surface is not higher than -29 os.
Although the installation of pipes made of polymer materials in the floor heating system is simple, since the entire heating system is poured and closed with concrete, it is not possible to change after installation, so the responsibility of the installation specialists is very great[4].
The reliable operation of the entire system depends on its construction, so the designer and the assembler are equally responsible for ensuring that the system is properly executed in front of the opportunist and meets the requirements laid down by the preparer[3].
Below we list schemes of some types of floor heating system constructions, which are equipped with a floor heating system.
Heating pipe built-in panel cast floor construction
The thickness of the upholstery of such a construction depends on the weight load that falls on it. Given that the temperature of the heat dissipation on the surface of the floor is the same, its thickness should not be less than 65 mm, and also meet the requirements of State Building Standards.
1-picture. Heating pipe built-in panel cast floor construction
1 .Paul 2.Crumpled paper 3.Irradiated aluminum plita
4.Heat transfer pipe 5.Thermal protection layer "Floating" upholstery This type of flooring is installed on orayopms with wooden balconies. Between the Orayopma regions, a layer of thermal protection material is placed, ensuring that the heat does not pass down. Densely fill the gap between the regions with a layer of heat protection 10 cm thick. In order to ensure proper distribution of heat, the heating pipes are laid on aluminum heating lists. Aluminum heating lists perform the function of ensuring the same distribution of heat along the floor surface.
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2-picture. "Floating" upholstery upholstery 1 .Paul 2.Crumpled paper 3.Irradiated aluminum plita
4.Heat transfer pipe 5.Thermal protection layer "Floating" upholstery
It is possible to design a floor heating system using a special corrugated perforated foam material for the installation of light-proof aluminum plates and heating pipes in concrete oraopments. 4 l
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3-picture. "Floating" upholstery 1 .Paul
3.Separating layer (crumpled paper) 4.Irradiated aluminum plita 4.Heating pipe 5.Thermal protection layer (penoplast) Although the use of a hot floor system in the heating of buildings requires high investment funds, in the future, the total cost on account of its long-term operation in the process of operation will be much cheaper, so we recommend that in the future to design a hot floor system in the heating of buildings instead of traditional heating systems.
References:
1. Boboyev M.S. va boshqalar «Isitish» darslik T.: Yangi asr avlodi, 2002 yil.
2. Rashidоv Yu.K., Saidоva D.Z. «Issiqlik, gaz taminoti va ventilyatsiya tizimlari» o'quv qollanma, TAQI, 2002 y.
3.Rashidov Yu.K., Koroli M.A. "Isitish" o'quv qollanma 2000 yil.
4. D.Z Saidova "Otoplenie i ventilyatsiya" Toshkent. 2000 y.
