RU2331021C1 - Twin atmospheric gas burner - Google Patents

Abstract

FIELD: heating.

SUBSTANCE: invention refers to power engineering, particularly to twin atmospheric gas burners and can be used in gas burning devices of steam and hot water boilers. The twin atmospheric gas burner consists of two gas regulators, connected parallel, each of these consists of control and regulating unit, of a start button, of a membrane with a rigid center, of a valve with a saddle, of an upper reservoir, a membrane and two position gate, of a drainage nozzle and a pressure source nozzle, of a throttle, channel, flame sensor, draught sensor, of a tap, of an igniter, of burners, a main gas sensor and of thermo regulators with switches. The distributing portion of the twin atmospheric gas burner comprises two gas collectors, separated one from another with a partition; at that each gas regulator is connected with an isolated one; the both gas collectors are equipped with square gas distributing pipes with holes for a gas flow at the top of the square; and both gas burners are designed to control their thermo regulators, igniters, main gas sensors and draught sensors.

EFFECT: upgrading of quality and environment protection characteristics at gas burning in gas burning devices of boilers without complicating the design of a burner.

4 dwg

Description

FIELD OF THE INVENTION

The invention relates to energy, in particular to dual atmospheric gas burners and can be used in gas burner devices of steam and hot water boilers.

State of the art

A gas burner is known, comprising a housing connected to a fan having an air flow regulator, a gaseous assembly coaxially placed in the housing, equipped with a gas flow regulator, the burner being further provided with a control unit, an electric actuator, the output shaft of which is connected to the gas flow regulator by means of a hinge - linkage, the control unit is connected by electrical communication with the actuating electric mechanism, in addition, the air flow regulator is installed on the suction ayuschem fan nozzle, gazorazdelyayuschy assembly is provided with radial outlet openings. An additional gas path is connected to the gas distribution unit, equipped with a gas flow regulator (see AS USSR No. 1802273, class F23D 14/60).

The disadvantage of this gas burner is the low accuracy of the proportioning of the gas and air flow when changing the power of the burner.

Known atmospheric gas burner containing a gas controller, consisting of a control unit connected to a temperature sensor using a control channel, a control unit connected to flame sensors, traction, a control channel, while it is equipped with a second gas controller consisting of a control unit connected with temperature and outdoor air sensors, a control unit, while the second gas regulator is installed with the possibility of parallel connection of the cavities of the control units and the temperature sensor fresh air by connecting a second gas regulator to the control unit, and the percentage of gas supply to the burner by both regulators is set by taps (see Pat. RF No. 2196939, class F23N 1/10, F23D 14/60).

The disadvantage of this burner is the incomplete combustion of fuel.

The closest in technical essence and the achieved positive effect and adopted by the author for the prototype is an atmospheric gas burner containing two gas regulators connected in parallel, each of which consists of a control and regulation unit, a start button, a membrane with a rigid center, a valve with a seat, an upper cavities, membranes and on / off flaps, drainage nozzles and nozzles of a pressure source, throttle, channel, flame sensors, traction and network gas, valve, igniter, burner, temperature regulator with sensor m of temperature controllers, a gas collector (see. Atmospheric gas burner. RGU-M 1 operating manual. Ca 2.574.023.RE OJSC Starorusspribor Plant, 175200, Staraya Russa, Novgorod Region, Mineralnaya 24).

The disadvantage of this burner is incomplete combustion of gas due to incomplete mixing of gas with primary air, low efficiency.

Disclosure of invention

The technical result that can be obtained using the present invention is to improve the quality of gas combustion, improve the environmental performance of the burner without complicating the design.

The technical result is achieved using a dual atmospheric gas burner containing two gas regulators connected in parallel, each of which consists of a control and regulation unit, a start button, a rigid center membrane, a valve with a seat, an upper cavity, a membrane and a two-position shutter, a drainage nozzle and nozzles of a pressure source, a throttle, a channel, flame sensors, draft and network gas, a valve, an igniter, a burner, a temperature controller with a temperature sensor, a gas manifold, with each gas ulyator connected to its insulated from the other gas manifold, wherein gas manifolds are provided with square tubes with gas distribution holes for the flow of gas in the top of a square, while the two burners are arranged to control a temperature controller with its igniter, gas sensors network, traction.

Brief Description of the Drawings

Figure 1 is given a dual atmospheric gas burner, a General view;

figure 2 - distribution of the burner;

figure 3 is a view aa in figure 2;

figure 4 - node C in figure 3.

The implementation of the invention

A dual atmospheric gas burner consists of two gas controllers connected in parallel, each of which consists of a control and regulation unit 2, a start button 3, a membrane 4 with a rigid center, a valve 5 with a seat, an upper cavity 6, a membrane 7 and a two-position shutter 8, drainage nozzle 9 and nozzle 10 of the pressure source, throttle 11, channel 12, flame sensor 13, draft sensor 14, valve 15, valve 16, igniter 17, burner 18 and burner 19, network gas sensor 20, temperature controllers 21, 22, 23, with sensors 24, 25, 26, temperature controllers 21, 22, 23, firebox 27. Ras the distribution part of the twin atmospheric gas burner contains two gas manifolds 28 and 29, separated from each other by a partition 30, each gas regulator connected to its own gas manifold 28 or 29 isolated from the other, and the gas manifolds 28, 29 are equipped with square gas distribution tubes 31 s openings 32 for the outflow of gas at the top of the square, and both gas burners are configured to control their thermostat or 21, or 22, or 23 with the igniter 17, sensors 20 network gas and 14 thrust. Gas distribution tubes 31 on the opposite side from the gas manifolds 28 and 29 are sealed by a plate 33.

A dual atmospheric gas burner operates as follows.

The inclusion of an atmospheric gas burner in operation and the operation of the gas regulators 1 is as follows. When the valves 15, 16, burners 18 and 19 are closed, by pressing the start button 3 of the control and regulation unit 2 of the burner 18, gas is supplied to the igniter 17, which is ignited. Gas simultaneously through the throttle 11 and channel 12 enters the supramembrane cavity 6, where pressure increases when the nozzle closes the bimetallic plate of the sensor 13 of the ignition flame 17, when the nozzle of the temperature sensor 26 of the temperature regulator 23 is closed, and the nozzles of the draft sensor 14 are closed, while the membrane 7 moves downward and the two-position shutter 8 moves from the drainage nozzle 9 to the nozzle 10 of the pressure source, the supra-membrane space of the membrane 4 with a rigid center is emptied. Membrane 4 with valve 5 moves away from the seat, while the nozzle of the flame sensor 13 closes, the nozzle of the network gas sensor 20 opens, gas enters through the nozzle into the igniter 17, the start button 3 can be released, the ignitor 17 will continue to burn into the channel 12, the supramembrane cavity 6, gas can flow through the choke 11. Opening the valve 15, gas is supplied to the burner 18 installed in the furnace 27, at the same time gas enters the burner regulator 19 and if the nozzle of the sensor 24 of the temperature regulator 21 and the nozzle of the sensor of the temperature regulator 25 of the sensor 22 are closed, opening the valve 16 includes a burner 19, burners 18 and 19 are fully operational. When the heating system is heated to the temperature set by the temperature controller 21, the nozzle of the sensor 24 of the temperature controller 21 opens, the pressure in the upper cavity 6 of the regulator 1 of the burner 19 decreases abruptly, the membrane 7 moves upward, the two-position shutter 8 is transferred from the nozzle 10 of the pressure source to the drainage nozzle 9, and filling above the membrane space of the membrane 4, the valve 5 is lowered onto the seat, the gas supply through the regulator of the burner 19 is stopped, the burner 19 is turned off. This also happens when the nozzle of the sensor 25 of the temperature controller 22 is configured to turn off the burner 19 at a positive outside temperature, while the burner 18 is working stably, since the temperature controller 23 with the sensor 26 are set to the maximum permissible temperature of the heat carrier in the boiler (not shown). When the temperature drops, the nozzle of the sensor 24 of the thermostat 21 closes, gas through the channel 12, the throttle 11 fills the upper membrane 6, if the nozzle of the sensor 25 of the thermostat 22 is closed, the membrane moves down, the two-position shutter 8 is transferred from the drain nozzle 9 to the nozzle 10 of the pressure source, emptying of the supranembrane space of the membrane 4, the valve 5 moves away from the seat, the gas supply through the regulator of the burner 19 is resumed, while the burner 18 is constantly operating. Since the regulators of the burner 18 and 19 are the same, when the nozzles of the thrust sensors 14 and 26 of the thermostat 23 are opened, the gas supply either stops or resumes when the nozzles of these sensors are closed, and the gas supply also stops to the burner 18 and also restores to the burner 19, with This igniter 17 is on, and gas continues to flow into the channels 12, chokes 11, and operator intervention is not required in all of the above cases. When the flame of the igniter 17 goes out, the nozzle of the ignitor 17 opens and at the same time the nozzle of the sensor 20 of the network gas closes. The pressure in the upper cavity 6 of the burner regulator 18 drops, the membrane 7 moves upward, the on-off valve 8 is transferred from the nozzle 10 of the pressure source to the drainage nozzle 9, the supmembrane cavity of the membrane 4 is filled with gas, the valve 5 is lowered to the seat, completely stopping the gas supply to the burner 18, and since the nozzle of the network gas sensor 20 is closed, the automatic control of the regulators of both burners is completely turned off, it is necessary to eliminate the cause of the ignition of the igniter 17, close the valve 15 and 16 and manually burn the burners, as written above. In the distribution part of a dual atmospheric gas burner containing two gas manifolds 28 and 29, separated by a partition 30, provided with square gas distribution tubes 31, gas flows at the top of the square through openings 32, which reduces the gas jet to mix with the primary air and improves blending. Thus, each gas regulator, after being triggered, delivers gas to an isolated part of its burner, which ensures better mixing of gas with primary air and its better combustion with reduced harmful emissions by using the same high gas pressure for both burners.

The invention in comparison with the prototype and other known technical solutions has the following advantages:

- improving the quality of gas combustion;

- improving the environmental performance of the burner without complicating the design;

- automatic temperature control of the coolant;

- improving the reliability and power of the burner;

- the accuracy of the proportioning of gas and air flow when changing the power of the burner.

Claims (1)

A dual atmospheric gas burner containing two gas regulators connected in parallel, each of which consists of a control and regulation unit, a start button, a rigid-center membrane, a valve with a seat, an upper cavity, a membrane and a two-position shutter, a drain nozzle and a pressure source nozzle, throttle, channel, flame sensors, traction and network gas, valve, igniter, burner, temperature controller with a temperature sensor, gas manifold, characterized in that each gas regulator is connected to its isolator a gas manifold from another, while the gas manifolds are equipped with square gas distribution pipes with openings for gas outflow at the top of the square, both burners made with the ability to control their temperature regulator with an igniter, network gas sensors, traction.

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