BG2090U1 - Stove-pipe heat exchanger - Google Patents

Abstract

The utility model is used for domestic heating appliances and can be used in metal heating or water-heating stoves for individual buildings, in metal stoves for the bathroom and metal fireplaces. The stove-pipe heat exchanger has a hollow body (1) with an inlet and outlet opening (2 and 3) in which is mounted an impeding device (4), implemented in the form of barriers (5, 6 and 7) fitted in the body (1), whereby a flap-valve (8) is located on an axis (9) located on the barrier (6) in the middle part of the body (1). The implementation of the given design reduces the cost of making the stove-pipe, increases the efficiency of the use of fuel for heating the room. It allows for the heating of a room adjacent to the one with the stove or on the upper floor.

Description

Field of technology

The utility model is used for domestic heating appliances and can be used for metal heating or water heating stoves for individual buildings, metal bathroom stoves and metal fireplaces.

BACKGROUND OF THE INVENTION

The nozzle is one of the main elements in stoves, which on the one hand provides removal outside the heated room of combustion products - flue gases, and on the other hand the heated surface of the nozzle performs the functions of a heat exchanger that transmits heat energy to the exhaust flue gases. additional heating of the premises.

However, during the operation of the stove-heat exchanger of the stove together with the direct discharge of the products of combustion - the flue gases, a significant amount of heat energy is lost, which can be used for additional heating of the premises.

One of the main tasks for the designers of the heating equipment is to create devices that increase the efficiency of the heat exchange from the flue gases and to ensure optimal and safe operation (traction) of the heat exchanger nozzle.

From the technique we know the system of zigzag beams, which is located in a separate, horizontally oriented block, located vertically in the area between the base of the stove and the floor of the heated room, as the block with zigzag beams is connected to the stove and the chimney is connected to the block. the zigzag beams, the zigzag beams on top are covered with a metal sheet, and the space above the sheet in question up to the floor level of the room is filled with gravel. (See the description of the application for invention RF № 98103088/03, IPC F 24 B1 / 26, Ageev stove for space heating and / or food preparation).

This technical solution aims to extend the path of the flue gases by changing the shape and length of the duct, thus extending the path of the smoke and keeping it in the space under the floor.

The closest in technical essence, achieved effect and selected as a prototype is the construction of the nozzle-heat exchanger, which has a hollow body with 5 inlet and outlet openings, in which is installed a device that slows down the movement of flue gases and heat exchange. The braking device is made in the form of partitions with slits, the partitions being mounted inside the body and 10 fixed on transverse axes with the possibility of rotation so that when located across the body, their slits create a zigzag movement of gases. On the axles on the outside of the body are attached levers, the free 15 ends of which are hinged to the common bar for placing the partitions in the rear position. (See the description of the utility model to the patent of the Russian Federation № 120485, IPC F 23 J 11/00, Kunets heat exchanger).

The shut-off device in the flue gas nozzle provides more complete combustion of the fuel in the stove, somewhat slows down the movement of the products of fuel combustion in the nozzle of the shut-off device, lowers the temperature 25 of the flue gases when they leave the outlet, thanks to which reducing heat loss and increasing heat exchange efficiency.

We also strive to slow down the movement of flue gases only by changing the shape of the duct, thus extending the path of the smoke and keeping it in the room.

The known nozzle heat exchanger vessel holds elements that regulate the cross section of the opening in 35 types of a large number of baffles, which must be constantly adjusted to achieve optimal ratio between thrust and efficient heat exchange between hot flue gases and heat exchangers of the shut-off device, i.e. by constantly selecting an inclined intermediate position of the bulkheads to achieve optimal traction. The construction of the offered heat exchanger is labor-intensive because it has a large number of parts.

Technical essence of the utility model

At the heart of the utility model is the technical task of improving the nozzle-heat exchanger by simplifying the shut-off device by reducing the number of elements for

2090 UI regulates the movement of flue gases, which are directed along a folded along the length of the nozzle.

The technical result is achieved by increasing the efficiency of using the advanced nozzle heat exchanger, a hollow body with inlet and outlet, in which is placed a shut-off device in the form of barriers, significantly extending the path of the flue gases attached to the body as a valve. -a gate is mounted on an axis located on the barrier in the middle of the body.

The partitions of plates inside the body can be formed both horizontally and vertically, and thus form horizontal and / or vertical elements of the smoke ducts or form a system of covers.

The body of the heat exchanger can be cylindrical or any rectangular shape and size.

The small-sized heat exchanger can be installed as part of the chimney immediately after the stove or as an element of the chimney on the next floor, it can be installed next to the stove, if it is proportional to it.

The creation of a given structure reduces the cost of making the chimney, increases the efficiency of using fuel to heat the room. Allows to heat a room adjacent to the stove or upstairs.

Unlike the brick and ceramic competitors, the chunks can be placed in the already finished house, can be installed and, if necessary, repaired at any time of the year.

Explanation of the attached figures

Figure 1 shows a drawing of a heat exchanger.

Figure 2 shows a drawing of the heat exchanger, the movement of the gas when the valve is closed and open.

Exemplary implementation of the utility model

The heat exchanger nozzle (Fig. 1-2) contains a hollow body 1 with an inlet 3 and an outlet 2 opening, in the body 1 the shut-off device 4 is placed for deceleration of the flue gases and achievement of heat exchange.

A feature of the advanced nozzle heat exchanger is the following design of its components.

The shut-off device 4 is made in the form of partitions 5, 6 and 7, which are fixed (by any type of connection) inside the body 1 and a valve gate 8 mounted on the shaft 9, attached to the partition 6 with the ability to rotate so that when the damper valve 8 is located horizontally in the body 1, a zigzag flue is formed. When the damper valve 8 is placed vertically in the body 1, a straight flue is formed, with small deviations due to the barriers (Fig. 2).

For baths and saunas, the heat exchanger, including its components, can be made of stainless steel.

Structurally, the beak can have:

- body with round, rectangular or other cross-section;

- duct (vertical and / or horizontal) system of covers or mixed one for the movement of the flue gases;

- location on the stove, chimney or separately;

- brick or mixed (metal - brick) body type.

Using the utility model

The offered heat exchanger nozzle works as follows.

From the stove through the inlet valve 3 the flue gases enter the body 1 of the nozzle-heat exchanger and interact with the shut-off device.

If the heat exchanger nozzle is in the initial position, when in the shut-off device 4 through the lever 10 the damper valve 8 is located horizontally in the body 1, a zigzag movement of gases is formed, with a minimum cross section of the hole, which provides safe minimum thrust but creates a tortuous and longer gas movement, ensuring maximum heat transfer.

When the heat exchanger nozzle is in a position where in the shut-off device 4 by means of the lever 10 the gate valve 8 is placed vertically in the body 1, a straight outlet of the gases with small deviations is formed, with maximum opening cross section, which provides maximum thrust and minimum length of the exhaust gas, providing minimal heat exchange.

Depending on the selected set

2090 UI temperature in the heated room the owner adjusts the heat exchanger in a position in which in the shut-off device 4 through the valve-valve 8 in the body 1 creates a position where a safe optimum draft in the nozzle and the required heat exchange efficiency to ensure the selected temperature in the heated room.

The set position of the damper valve 8 of the shut-off device 4 is determined by the temperature mode of heating the room.

The claimed heat exchanger nozzle is most efficient to use in solid fuel stoves with natural flue gas circulation. The device can be designed as an element that is located in a separate horizontally oriented block. The heat exchanger can also be built into a brick or gravel wall.

When using the requested heat exchanger, the fuel consumption in the stove is significantly reduced.

Experiments have shown that in a stove using the claimed heat exchanger nozzle, the fuel consumption for space heating up to 15 ° С is reduced by two to three times.

Thus, an increase in the heat exchange efficiency is achieved by adjusting the position of the damper valve 8 to select the optimal ratio of the thrust in the nozzle and the heat exchange efficiency in the shut-off device 4, while maintaining high safety.

These data indicate that it is possible to implement the utility model and the proposed heat exchanger is used industrially, because it has a simple design, can be mass-produced in any plant and can be widely used in stoves that run mainly on solid fuel. , for heating domestic and industrial premises.

Claims (1)

Claims A heat exchanger nozzle having a hollow body with an inlet and an outlet in which a shut-off device in the form of partitions is mounted, characterized in that the partitions (5, 6 and 7) of the shut-off device (4) are fixed in the body (1), the flap-valve (8) being located on an axle (9) located on the barrier (6) in the middle part of the body (1), whereby a lever (10) is fixed to the axis (9) ).