Block heater: description, characteristics, purpose

Block heat exchangers are designed to attach to heat heating network that already exists, new objects, houses etc. in addition to the supply of heating can also deliver hot water and attach object to such communications as sewage.

General description BTP

A Block heating plant (BHP) is ready for work equipped with the installation. It is important to know that the layout of any devices to carry out each item individually. The main characteristic which supports the experts in the Assembly of the unit is the size of the room in which will be set to object.

The production of block entry is accomplished through the use of basic schemes on the basis of which, it is possible to attach this equipment to conventional engineering thermal network of the building. There is a General program of calculation of Danfoss for heating. It is worth noting that this is one of the fairly large manufacturers of block heating units.

Package contents

If we talk about the most common configuration of BTP, which is considered standard, then it includes such elements as:

• Metering and regulation. This site is designed to keep a record of the actual coolant flow and heat. In addition, he is engaged in regulation of consumption of heat carrier in accordance with a predetermined schedule of temperature.
• Node heating. This element is responsible for the consumption of thermal energy taking into account weather conditions, time of day and other conditions.
• The Node hot water. This device is designed to maintain optimum water temperature in the system (55-60 degrees Celsius) and its supply to the consumer. Also, this node is responsible for operations on a thermal treatment system.
• The Node ventilation. The system is designed to control the flow of thermal energy supplied to the consumer, depending on weather conditions and time of day.

Device BTP

A Block heater is an automated unit which is designed to transmit the energy supplied from the boiler house, thermal power plants, the RTS for the heating and ventilation and DHW-communications connecting to a residential or industrial buildings. In other words, it is a local mediator between the station and the consumer.

If we talk about the room where you plan to install a block heater, it should be sufficient in size to accommodate all modular equipment and control instrumentation needed for operation of the system. All of these devices need to TP could perform functions such as:

• The conversion of the heat carrier;
• Adjustment, control and change the heat values.
• Distribution of the heat carrier on a group or individual systems;
• Plays the role of a fuse if the temperature rises above the maximum value;
• Keeps a record of consumption of heat and heat carrier.

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Diversity

According to its characteristics and the heat sources of TP are divided into types. The first type refers to an open system. In this case, the fluid supplied to the BTP directly from the coolant, and the amount of liquid that goes to work equipment, is compensated by full or partial diversion of water.

In type connection to the system open types of BTP can be divided into two groups:

• Dependent scheme. In this system, the coolant is fed directly into the heating system. The advantages of the scheme include its simplicity and that it does not require the supply of additional equipment. However, without it is not possible to adjust the supply of heat on this node.
• Independent scheme. In such a system between the consumer and most of the heat station there are devices such as heat exchangers. With their help it is possible to regulate the flow of a heat source that helps to save up to 40 % energy.

What are the benefits of BTP installation?

Installation of automated block heat paragraph may give the system more of the following advantages:

1. Increases the efficiency of the network. The ability to adjust heat consumption for the space increases the overall economy of thermal energy by about 15 %.
2. Automation of process control. The equipment are equipped with thermal relays, which give the ability to configure equipment in such a way to compensate for weather conditions, as well as to change the operation mode in accordance with the time of day.
3. Reduction of material costs. Because the installation is an automated system that requires less staff to monitor its operation, to monitor the status of thermal elements, to carry out maintenance work or repairs, etc. In sum, all this is able to reduce the cost of material resources is about three times.
4. Even with high performance (up to 2 Gcal/hour) this equipment belongs to the compact. The approximate area that will have to be allocated for BTP is 20-25 m².

ManufacturerDanfoss

The Acquisition of block TP these major producers have their advantages. For example, one of the main differences from other manufacturers is that the equipment is delivered to the installation site in a ready form. That is, to collect the unit will not have that significantly increases the speed of installation and connection. Of these advantages you can also select that setting from "Danfoss" can be operated in fully automatic mode.

In order For the equipment to work in this mode, you need only set the desired temperature and pressure. Regulating and controlling devices in the future will support a given mode of operation. It is also worth adding that there is a possibility of individual configuration of the customer's order. You can add the accounting system a system of remote monitoring devices, etc.

Heat points SP 41-101-95

This paper is an instrument which is used for designing of thermal points. All the rules that are spelled out in this paper apply to such TP, the characteristics of which fall under specified: hot water pressure to 2.5 MPa, fluid temperature up to 200 degrees Celsius. If your installation is running with steam, its conditional operating pressure should be in the range of 6.3 MPa, and the temperature shall not exceed 440 degrees Celsius.

In the JV heat points are divided into two main categories - individual or Central. Individual TP intended to to join the heating system, water supply and ventilation of a building or its parts. Central TP are for what and so FORTH, but with only one difference that they are used for multiple buildings at once.