The rapid pace of life affects the technology of construction work. They constantly require acceleration of terms and improvement of finished objects. One of the ways to achieve a reduction in the construction time of buildings and improve the quality of the procedure is the use of special stations for heating concrete. They are equipment that allows you to warm the mass from the inside. This helps to prevent freezing of the mortar during construction, when the ambient temperature drops below zero.
Among other things, a concrete heating transformer helps to reduce the pour time of the mortar in the summer. The device includes a transformer, which converts the voltage used to power the heating elements. In the role of the latter, the reinforcing frame of the foundation and wires pre-laid in the formwork are used. The reinforcing cage or embedded wires are powered by a voltage that allows heating up to 100 ° C. Concrete has excellent thermal conductivity, so the poured mortar can warm up to 50 ° C, even when the temperature of the outside air drops below zero.
Description of transformer SPB 20
If you need a concrete heating transformer , then you can consider this model. It is one of the most common in private construction. Among its distinctive features, a small mass can be distinguished, which simplifies operation and does not make it time-consuming. The device is quite compact, but with this model it is possible to ensure effective heating of the solution during the construction of cottages and medium-sized houses.
This concrete heating transformer can be used when the ambient temperature drops to -40 ° C. The device warms up the mass to 50 ° C and can work in one of several modes. That is why builders have the opportunity to use the device on objects of different sizes.
Station Specifications
The described station provides heating by increasing the temperature through the wires. As an alternative solution, reinforcing mesh can be used. The operating voltage is 380 V, the power is 20 kW. The dimensions of the equipment are equivalent to 52x61.5x68.5 cm. Cooling is provided by air. For transportation, it is important to consider the weight of the device, which is 120 kg. The device has wires that are recommended by the manufacturer for operation.
Features of the transformer brand SPB 80
If you want to purchase a concrete heating transformer, then you can pay attention to the SPB 80 model. It is similar to the previous one, but its power is more impressive. This parameter ensures the heating of monolithic structures during the construction of medium multi-storey buildings.
Construction can not be interrupted, even if climatic conditions are critical. With the help of the station, it is possible to accelerate the hardening of concrete in the summer. The heating element is a steel wire or reinforcing cage. When connecting a transformer to the heating elements, they should be fully immersed in the mass. If this rule is neglected, then the wire will burn out, and the whole process will be interrupted.
Station Specifications
The above-described concrete heating station has an operating voltage of 380 V. Cooling is provided by a natural air system. Power is equivalent to 80 kW, the weight of the equipment is 340 kg. The dimensions of the device are 77x78x110 cm. The station is additionally equipped with protection against overheating and excessive load. On the market you can find modifications of this model, which have a forced cooling function.
Description of the transformer brand TSDZ-63
TSDZ - a transformer for heating concrete, which costs 73,000 rubles. This compact three-phase device has a forced air circulation function. In just 12 hours of operation, using this technique, it is possible to treat up to 100 m 3 of soil or dry the same volume of concrete mortar.
The temperature regime of operation varies from +15 to -45 ° . This transformer for heating concrete, the price of which was mentioned above, is mounted on a support to prevent jolting and vibration. For the model, a 380 V power supply is needed. Among the main nodes of this transformer can be identified:
- welded metal tank with radiators;
- block with control devices;
- oil conservator;
- three-core magnetic core;
- skeleton of a design;
- system of protection against moisture, mains voltage drops and temperature.
The skeleton is made of durable metal. Grounding is required for equipment operation.
Description of oil transformer for concrete
The oil transformer for heating concrete of the KTPTO-80 brand has a power equal to 80 kW. You can use the equipment at a wide temperature range - from -40 to +10 ° . The volume of concrete can vary from 25 to 40 m 3 . Among the advantages should be highlighted the ability to connect additional equipment and a fairly simple device.
This concrete heating station has some disadvantages, among them:
- large mass;
- impressive dimensions;
- difficult movement on the site;
- the need for adjustment in the offseason.
When purchasing this equipment, you should know that it requires maintenance. Some refuse to buy such an aggregate for the reason that it is equipped with uncomfortable skids for moving.
Conclusion
The curing process of concrete masses under the influence of low temperatures can be slowed down. The construction period under such conditions stretches for an indefinite period. Sometimes work has to be stopped altogether. However, modern technologies even in the winter period allow continuing the formation of concrete structures without slowing down. An excellent solution is transformers or entire stations for heating concrete. They provide all possible assistance in solving the problem of processing the solution at low temperatures.