KR20060025600A - Exhaust gas circulating combustion type hot water boiler device and method - Google Patents

Abstract

The present invention relates to a hot water boiler, and more particularly, to a flue gas circulating combustion type hot water boiler apparatus and method for mixing a combustible gas and exhaust gas generated from waste tires and injecting it into a combustion chamber. Although the price of petroleum has risen, the technique of a boiler apparatus for introducing a gas generated by incineration of waste tires into a combustion chamber of a boiler by adopting a dry distillation waste incineration method has been recently introduced. There is a problem, and there is a problem in that harmful substances such as dioxins are released into the atmosphere by incomplete combustion.To solve this problem, wastes such as tires are burned at low temperature to generate flammable gas, and the exhaust gas is mixed with the gas. Air is mixed with the mixed gas again and mixed with the combustion chamber. To complete combustion by spraying aims to provide an exhaust gas circulating hot water boiler combustion device and method which does not discharge into the atmosphere the exhaust gas is performed to maintain at least 800 ℃ high temperature.

Waste tire, combustible gas, gas mixture injection device, exhaust gas circulating combustion method, hot water boiler

Description

Exhaust gas circulating combustion type hot water boiler apparatus and method {omitted}

1 is a side cross-sectional view of the hot water boiler device

2 is a detailed view of the mixing spray device

<Explanation of important parts of drawing>

R: gas generator F: combustion apparatus

B: Mixing spray device T: Hot water tank

T-1: hot water boiler

1: gas generating chamber 1-1: heat insulation treatment

1-2: Inlet 1-3: Burner Room

1-4: burner 1-5: combustion residue outlet

1-6: Pressure gauge 1-7: Discharge device

2: combustion chamber 2-1: hot water chamber

2-2: Boiler Burner Room 2-3: Oil Burner

2-4: combustion residue outlet 2-5: thermometer

2-6: exhaust device 2-7: heat exchanger tube

2-8: Exhaust Recovery Chamber 2-9: Fixture

3: supply tank 3-1: supply line

3-2: Inlet 4: Heating

4-1: connector 5: transfer tube

5-1: Regulating Valve 6: Blower

6-1: connector 6-2: control valve

7: exhaust gas inlet 7-1: exhaust gas inlet chamber

8: Inflow path 9: Combustible gas transfer pipe

10: Mixing apparatus 11: compressed air press-in disperser

12: blower device 13: mixed gas jet device

The present invention relates to a hot water boiler, and more particularly, to a flue gas circulating combustion type hot water boiler apparatus and method for mixing the combustible gas and exhaust gas generated from waste tires and the like into the combustion chamber.

Conventionally, petroleum has been used in boilers, but as the price of petroleum rises, a technique for a boiler device is introduced in which gas generated by incineration of waste tires is introduced into a combustion chamber of a boiler by adopting a dry distillation waste incineration method. have.

However, this apparatus and method is difficult to maintain a high temperature, and the exhaust gas discharged from the combustion chamber is discharged to the atmosphere through the communication, there is a problem that harmful substances such as dioxins are released into the atmosphere due to incomplete combustion in the combustion chamber.

In order to solve the above problems, the present invention connects a mixed injection device (B) connected to a connection pipe connected to an exhaust gas transfer pipe and a blower to a circular gas generator that is a burner chamber and a combustion chamber in which an ignition burner is mounted. In addition, a circular combustion device (F) divided into a combustion chamber (2), a heat exchange tube (2-7), and an exhaust recovery chamber (2-8) is integrated into the mixed injection device (B), and a hot water tank (T). The boiler device is constructed by connecting hot water boiler (T-1) which is inserted and installed inside, and the mixed-injection device is provided with the compressed air supplied from the combustible gas produced by the gas generator, the exhaust gas discharged from the combustion chamber, and the blower. It is an object of the present invention to provide an exhaust gas circulating combustion type hot water boiler apparatus and method for maintaining the combustion chamber temperature at 800 ° C. or more by injecting and mixing and dispersing and spraying in a combustion chamber 2 of a boiler to achieve complete combustion.

      1 is a side cross-sectional view of a hot water boiler device,

      R is a gas generator, 1 is a gas generating chamber, the outside is insulated by a heat insulator (1-1), and 1-2 is an inlet installed in the gas generating chamber, through which the combustible gas is generated. Waste is inputted, and this inlet is operated manually when it is small, and when it is large, it is mechanically operated by attaching a hydraulic device, while the inputted waste is also introduced as a conveyor, and 1-3 is a burner room with an opening and closing door. An oil burner (1-4) for initial ignition is installed and connected to an external fuel tank, which can be replaced by a gas or other ignition method, and 1-5 is a combustion residue outlet and an opening door is attached. 1-6 indicates the pressure of the gas generating chamber as a pressure gauge and 1-7 indicates the pressure of the gas generating chamber as a pressure gauge and discharges the gas when the pressure rises above the pressure set in the gas generating chamber. To maintain the pressure in the chamber to a predetermined value.

       This gas generator is characterized by generating combustible gas at low temperature.

       F is a combustion apparatus, and a combustion chamber, a heat exchanger tube, and an exhaust recovery chamber are integrally formed in a circular shape and inserted into the hot water tank T.

     2 is a combustion chamber, a burner chamber 2-2 is attached to the lower portion of the combustion chamber, and an opening and closing door is attached, and a burner 2-3 is attached to the inside of the combustion chamber for preheating and connected to an external fuel tank. When the combustion residue outlet 2-4 is installed in the combustion chamber, and a plurality of fixtures 2-9 are installed outside the combustion residue outlet lower side, and are mounted in the fixed hot water tank T. It is for securing the space where the hot water is moved to the bottom of the hot water tank, while a thermometer for monitoring the temperature is installed in the combustion chamber so that it can be seen from the outside.

     2-8 is an exhaust recovery chamber, which is connected to a heat exchange tube 2-7 consisting of a plurality of pipes connected to the combustion chamber in the lower part, and a transfer pipe 5 having a control valve 5-1 attached to the side of the exhaust recovery chamber. ) Is installed to become the exhaust gas transfer path of the exhaust recovery chamber, the control valve controls the transfer amount of the exhaust gas, and 2-6 is an emergency exhaust device for exhaust gas, connected to the exhaust recovery chamber, and inside the exhaust recovery chamber. When the pressure exceeds the set pressure, the exhaust gas is discharged to maintain the pressure within the set pressure.

     2-7 is a heat exchange tube, which is composed of a plurality of tubes, the upper side of which is connected to the exhaust recovery chamber (2-8) and the lower part of the combustion chamber (2), and the exhaust gas heated to a high temperature moves inside the tube. , The outside is in contact with the make-up water in the hot water room to conduct heat.

     T is a circular hot water tank, and the combustion device F is inserted and mounted and fixed by the fixing stand 2-9, and is manufactured in such a size that sufficient space is secured even when the combustion device is mounted. As a room, it is a space secured along the circumference of the combustion apparatus, and is filled with incoming replenishment water, and the replenishing inflow water is brought into contact with the heated combustion chamber and the heat exchanger tube to raise the temperature, and 2-5 represents the water temperature as a pressure gauge. 3 is a supply tank to supply replenishing water to the hot water tank, which is connected to the supply pipe (3-1) and connected to the inlet of the hot water tank, 4 is a heating device or a place for receiving heated hot water, and the connection pipe It is supplied through (4-1), and 2-5 is a thermometer indicating the temperature of the hot water chamber.

      T-1 denotes a hot water boiler in which the combustion device F is insulated and inserted into the hot water tank T-1.

      B is a mixed injection device, which is placed between the gas generator (R) and the combustion device (F) through a required pipe, and connects the gas generator (R) and the combustion device (F) with each other. It is connected to the blower 6 via 6-1, and the conveyance pipe 5 which transfers exhaust gas from the upper part is connected.

      2 is a detailed view of the mixing spray device,

     7 is an exhaust gas inlet, which is connected to the exhaust gas conveying pipe 5, 9 is a combustible gas conveying pipe, which is inclined at the end with a small diameter, and 7-1 is a combustible gas conveying pipe as the exhaust gas inlet chamber. The larger the diameter is, the exhaust gas flows around the combustible gas transport pipe and is transferred to the mixing device 10 along the exhaust gas inflow path 8, and 10 is a mixing device for mixing combustible gas and exhaust gas as a mixing device. 11 is a pressurizing and dispersing device for injecting and dispersing compressed air conveyed from a blower, and 12 is a blower to pressurize and inject a mixed gas into the mixed gas spraying device 13 and 13 to pressurize the gas blowing device. , A plurality of injection holes having different directions are laid, and are manufactured and assembled as heat-resistant materials to form a mixed spraying device.

    The apparatus is made of heat-resistant steel, and heat-resistant measures by fire bricks are taken where high temperatures are maintained.

     All wastes generating flammable gas are used in the device.

The operation of the embodiment configured as described above will be described.

      For convenience, this example uses waste tires as a combustible gas source.

     The waste tire is introduced into the gas generating chamber 1 through the inlet 2-1 of the gas generator R, and the ignition burner 1-4 of the gas generator is operated to ignite the waste tire, and the burner is operated. The waste tire of the gas generating chamber continues to be burned by its own heat to produce combustible gas, and the generating chamber is filled with the combustible gas, while the oil burner (2-3) of the combustion chamber (2) of the hot water boiler is stopped. After preheating the temperature in the combustion chamber to 800 ° C. and stopping the oil burner (2-3), the hot water tank (T) is filled with water for warming, and the blower (6) is operated. Activate (B).

     By the operation of the mixing spray device B, the combustible gas of the gas generating chamber and the exhaust gas of the combustion chamber 2 are sucked and mixed into the mixing spray apparatus simultaneously through the exhaust gas transfer pipe 5, and compressed by a blower. As the air is press-dispersed by the indentation and dispersing apparatus 11, the air is mixed with the gas mixed with the combustible gas and the exhaust gas, and the air is sucked and mixed by the blower, and the mixed gas injector 13 is transferred to the mixed gas injector 13. It is dispersed and injected into the combustion chamber in various directions through the combustion, the heated exhaust gas generated in the process of the combustion is recovered to the exhaust recovery chamber (2-8) through the heat exchange tube, the recovered exhaust gas is mixed injection device ( By the operation of B), it is continuously transferred to the mixing spray device. By this continuous operation, the exhaust gas is circulated, and the temperature of the combustion chamber is kept at a constant high temperature. The water replenished in the chamber is heated by contacting various contacting parts such as the heat exchanger tube of the combustion device, and the temperature is increased.The heated hot water is transferred to the heating device or the hot water using place through the connecting pipe (4-1). In the supply tank (3), the supplementary water is introduced by the amount of hot water discharged into the hot water tank inlet (3-2) through the connected supply pipe (3-1).

       In the gas production room, a fixed amount of tires is put at intervals of two hours.

      By increasing the combustion efficiency as described above, the temperature of the combustion chamber is maintained at 800 ℃ or more, hot water of a predetermined temperature can be used continuously.

Since the exhaust gas is not discharged, no harmful gas such as dioxin is discharged into the air, thereby causing no pollution, while saving energy and performing a clean treatment of waste.

The present invention contributes to the heating and hot water supply of plastic houses, farm villages, villages, schools, factories, military units, and the like.

Claims (3)

The gas generator (R) of the round which consists of the combustible gas production chamber 1, the burner chamber 1-3 equipped with an ignition burner, the combustion chamber 2, the heat exchange pipe 2-7, and the exhaust recovery chamber 2 -8) is supplied in the form of a combustion device (F) having a circular shape, a hot water boiler (T-1) that is built in the hot water tank (T), the exhaust gas blower discharged from the combustible gas, the combustion chamber A mixed injection device (B) for injecting compressed air to be mixed and injecting the mixed gas into the combustion chamber (2), and this mixed injection device is installed between the gas generator (R) and the combustion device (F) to produce a gas generator ( R) and the combustion device (F) are connected to each other, the exhaust gas circulating combustion method characterized in that the mixture injection device is connected to the exhaust gas transfer pipe (5), the connecting pipe (6-1) connected to the blower Hot water boiler device. The exhaust gas inlet (7) connected to the delivery pipe (5), the exhaust gas inlet (7-1), the exhaust gas inlet (8), the combustible gas transfer according to claim 1 Mixed gas injection for injecting mixed gas into the pipe (9), the mixing device (10) with built-in mixing brackets, the press-fit dispersing device (11) connected to the compressed air transfer pipe (6-1), the blower (12), and the combustion chamber An exhaust gas circulating combustion type hot water boiler device, characterized in that the device is assembled with the device (13). The exhaust gas circulating combustion according to claim 1, wherein the combustible gas generated by the gas generator, the exhaust gas discharged from the combustion chamber, and the mixed gas inhaled and mixed with the compressed air supplied from the blower are injected into the combustion chamber for combustion. Hot water boiler method.

Images