Transformer for heating concrete. Stations for heating concrete

The rapid pace of life affects the technology of construction work. They constantly demand acceleration of terms and improvement of finished objects. As one of the ways to achieve a reduction in the construction 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 heat the mass from within. This helps to prevent the solution from freezing during construction, when the ambient temperature drops below zero.

Among other things, the transformer for warming concrete helps to reduce the pour point of the solution in the summer. The device includes a transformer that converts the voltage used to supply the heating elements. In the role of the latter, the reinforcing cage of the basement and the wire, pre-laid in the formwork, is used. The reinforcement cage or embedded wires are supplied with a voltage that allows heating up to 100 ° C. Concrete has excellent thermal conductivity, so the poured solution can be heated to 50 ° C, even when the temperature of the outside air drops below zero.

Description of transformer SPB 20

If you need a transformer for warming concrete, then you can consider this model. It is one of the most common in private construction. Among its distinctive features can be identified a small mass, which simplifies operation and does not make it time-consuming. The device is compact enough, but with the help of this model it is possible to provide efficient heating of the solution when building cottages and houses of medium size.

This concrete warm-up transformer can be used when the ambient temperature drops to -40 ° C. The device warms up to 50 ° C and can operate 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 warming up due to temperature rise through the wires. Alternatively, a rebar 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 take into account the weight of the device, which is 120 kg. For the device, wires are provided that are recommended by the manufacturer for operation.

Features of transformer brand SPB 80

If you want to purchase a transformer for warming concrete, you can pay attention to the model of SPB 80. It is similar to the previous one, but its power is more impressive. This parameter ensures the heating of monolithic structures in the construction of medium-rise multi-storey buildings.

Construction can not be interrupted, even if the climatic conditions are critical. With the help of the station, concrete curing can also be accelerated in the summer. The heating element is a steel wire or reinforcing cage. When connecting to the heating elements of the transformer, they should be completely immersed in the mass. If this rule is neglected, the wire will burn, and the whole process will be interrupted.

Station Specifications

The above-mentioned concrete heating station has an operating voltage equal to 380 V. Cooling is provided by a natural air system. The 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. In the market you can find modifications of this model, which have the function of forced cooling.

Description of transformer brand TSDZ-63

TSDZ - transformer for warming concrete, which costs 73,000 rubles. This compact three-phase device has the function of forced air circulation. Within only 12 hours of operation, up to 100 m ^{3 of} soil can be treated with this technique or the same volume of concrete can be dried.

The operating temperature range is from +15 to -45 ° C. This transformer for concrete heating, the price of which was mentioned above, is mounted on the support to prevent shaking and vibration. For the model, a 380 V power supply is required. Among the main components of this transformer are:

• Welded metal tank with radiators;
• Block with control devices;
• Oil conservator;
• Three-rod magnetic circuit;
• Frame construction;
• A system of protection against moisture, changes in mains voltage and temperature.

The frame is made of strong metal. Grounding is necessary to operate the equipment.

Description of the oil transformer for concrete

The oil transformer for warming concrete KTPTO-80 has a power equal to 80 kW. The equipment can be used for a wide range of temperatures - from -40 to +10 ° C. The volume of concrete can vary from 25 to 40 m ³ . Among the advantages should be allocated the possibility of connecting additional equipment and a fairly simple device.

This station for warming concrete has some disadvantages, among them:

• Large mass;
• Impressive sizes;
• Difficult movement around the site;
• Need for adjustment in the off-season.

By purchasing this equipment, you should know that it requires maintenance. Some refuse to purchase such an aggregate for the reason that it is supplied with an inconvenient sled for transportation.

Conclusion

The process of curing concrete masses under the influence of low temperatures can be slowed down. The construction period under such conditions is stretched for an indefinite time. Sometimes the work has to be stopped altogether. However, modern technologies, even in the winter, allow the construction of concrete structures to continue, without slowing down. As an excellent solution are transformers or whole stations for warming concrete. They provide all possible assistance in solving the problem of treating the solution at low temperatures.