RU1809247C - Draft control device - Google Patents

Abstract

Usage: heat energy for regulating traction in flue gas exhaust devices. SUMMARY OF THE INVENTION: the device comprises a gate 1 installed in the duct 2. The gate is controlled by an electric motor 4 by means of mechanical cables 5. 1 or sludge.

Description

The invention relates to a power system and ventilation technique.

The purpose of the invention is to increase the reliability of aerodynamic control in exhaust systems of combustion products of industrial furnaces.

The goal is achieved by the fact that in the device for regulating the throttle containing a hog, a gate with mechanical pulls according to the invention, an angled duct is arranged on the hog, communicating with the atmosphere in which the gate is installed.

. The location of the gate outside the hog can significantly extend its service life, since it is removed from the zone of exposure to high-temperature combustion products, and regulate the pressure in the working space by changing the temperature and the amount of flue gases, which eliminates cold air leakage and increase the temperature in the thrust workspace, reduce fuel consumption.

To control the aerodynamic parameters in the exhaust systems of the combustion products, and through them in the working spaces of the thermal units, a certain amount of atmospheric air must be supplied to the burs to change the temperature and quantity of the combustion products. The angle of rotation of the β-sheath depends on the pressure in the thermal unit. The amount of supplied atmospheric air depends on the opening angle of the rotary gate.,

If the pressure increase is insufficient, it is necessary to increase the angle of rotation of the gate until the desired effect is achieved. This design allows the gate to occupy an intermediate position and thereby increases the reliability of the

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gulirovanie and, thus, provides a reduction in fuel consumption.

The drawing shows a device for adjusting traction.

The device comprises a gate 1 installed in the duct 2, by means of which the hog 3 is connected to the atmosphere. The gate is controlled by an electric motor 4 by means of mechanical rods 5.

The device operates as follows.

If necessary, change the pressure in the working space of the unit, based on the readings of the devices in manual or automatic mode, from the electric motor 4 through mechanical rods 5, the force is transmitted to the gate 1 and rotates (previously, the gate occupied a horizontal position, completely overlapping duct 2). As a result of the rotation of the gate 1, a connection of the smoke path (hog) with the atmosphere is formed, and the corresponding amount of atmospheric air enters the hog in proportion to the angle of rotation of the gate. By the same amount of air, its flow rate (suction) in the working space of the unit will change, which leads to an increase in pressure.

In comparison with the prototype, the proposed device allows to increase the overhaul life of the gate and increase its reliability.

Claims (1)

 The claims A device for regulating the thrust in a gas duct, comprising a gate and connected by means of mechanical traction to an electric motor, characterized in that, in order to increase reliability, the gas duct has an air duct installed at an angle to its axis and communicating with the atmosphere, and the gate is located in the latter .