KR20000004029U - Complete combustion incinerator for hot air generation - Google Patents

Abstract

The present invention can incinerate various combustible wastes by completely burning them to avoid unburned emission of harmful substances such as dioxins, and can generate and supply hot air that can be used for heating or drying with the combustion heat obtained during incineration. In addition, the present invention relates to a hot combustion combined use complete combustion incinerator configured to reduce fuel consumption and operating cost with high combustion efficiency close to complete combustion.

The incineration apparatus according to the present invention is the primary combustion furnace 20, the fuel and incineration target waste is supplied and burned therein, and the combustion air flow from the primary combustion furnace 20 through a narrow diameter connecting pipe passage (50) Secondary combustion furnace 30 to be introduced and reburned inside, and combustion air flow from the secondary combustion furnace 30 is introduced into the internal combustion through a narrow diameter connecting pipe line 60 to reburn and harmful substances and And a third combustion furnace 40 for discharging the clean combustion gas from which dust is removed to the discharge port 42 on one side, and inside the primary combustion furnace 20 on one side of the primary combustion furnace 20. A burner 70 for supplying and burning a furnace fuel and a hot air supply pipe 11 and a first blower 80 for supplying and supplying hot air for promoting combustion, and the secondary and tertiary combustion furnaces 30 ( One side of 40 generates hot air from the heat emitted from these combustion furnaces 30 and 40 and supplies it to a place where hot air is needed. A second blower (90) and that is characterized in the configuration of hayeoseo installed duct 140.

Description

Complete combustion incinerator for hot air generation

The present invention can incinerate various combustible wastes, such as household waste and industrial waste, by completely burning them to prevent unburned emissions of harmful substances, and also use the hot air that can be used for heating or drying with the combustion heat generated during incineration of wastes. The present invention relates to a hot-burning combined combustion complete combustion device configured to supply and generate heat.

Currently, a large amount of garbage is generated around the world due to the increase in population and industrial development, and various kinds of garbage are produced around the world. As it causes the problem of pollution or environmental destruction, in many parts of the world, the wastes generated in the area are collected in a specific place and landfilled, or the wastes are separately classified as non-combustible and combustible wastes. Dispose of wastes by incineration.

All of the waste incinerators that have been used as part of these waste disposal methods are incompletely burned to release toxic fumes and dusts containing harmful substances such as dioxins, sulfur dioxide, CO ₂ and CO into the atmosphere. This caused another additional environmental pollution, causing serious threats to public health, and there was a frequent problem of buying civil complaints.

Therefore, in recent years, in the operation of installing such waste incinerators, in order to protect the environment, a considerable restriction is placed on the concentration of harmful substances in the combustion gas discharged from the incinerator, thereby removing harmful substances such as dust collection or electric discharge and dust. Some of the more advanced types of incinerators with technical measures to reduce them have been proposed and used, but they are also difficult to remove to a satisfactory level of hazardous substances generated by incineration of wastes, and they are too expensive to install and operate. In addition, the combustion efficiency is low and the consumption of fuel also has a lot of problems.

The present invention solves the conventional problems effectively and completely eliminates harmful substances generated during incineration of waste, thereby solving the pollution problem caused by unburned emissions of such hazardous substances, and heating or burning It is possible to generate and supply hot air that can be used as energy in the drying process. Also, a new type of economical and highly practical hot air that can greatly reduce fuel consumption and operation cost due to high combustion efficiency close to complete combustion. The study was designed to provide a combined complete combustion incinerator.

1 is a cross-sectional view for explaining the principle of combustion and the basic configuration for achieving the combustion action applied to the present invention,

2 is a plan view of the incineration apparatus according to the present invention,

Figure 3 is a front view of the incinerator according to the present invention,

Figure 4 is a side view of the incinerator according to the present invention.

* Description of the symbols for the main parts of the drawings *

10: supply pipe 11: hot air supply pipe 20,30,40: combustion furnace

21, 31, 41: combustion chamber 22: inlet 42: outlet

50,60: Connector line 70: Burner 80,90: Blower

100,110: heat storage fireproof case 120: rostol

130: cooling water circulation means 140: duct

150: control box 160: flow meter

170: reprocessing guide 180: dust collector

The present invention for achieving the above object is a primary combustion furnace in which fuel and waste are injected and combusted, and a combustion air stream from the primary combustion furnace is introduced into and reburned to collect dust in the combustion air stream. Secondary combustion furnace configured to be removed, and the combustion air from the secondary combustion furnace is introduced into the internal combustion and re-burned, and clean combustion gas is completely discharged to the atmosphere with all harmful substances and dust in the combustion air stream completely removed. And a means for supplying combustion fuel and hot air to the primary combustion furnace, and means for generating and supplying hot air with heat generated in at least one of the combustion furnaces. Provides a hot combustion combined use complete combustion incinerator.

In a preferred embodiment of the present invention, the combustion furnaces are housed in a case made of a heat storage refractory wall that accumulates heat generated from these combustion furnaces to further increase combustion efficiency. Further, among the combustion furnaces, a stall is installed inside the primary combustion furnace so that the waste injected into the primary combustion furnace is placed thereon, and the stole is preferably disposed at a high temperature generated inside the furnace. It consists of a tube through which coolant is circulated to withstand it.

Hereinafter, the present invention will be described in more detail with reference to the embodiments illustrated in the accompanying drawings.

1 is a cross-sectional view for explaining the combustion principle of the incinerator according to the present invention and the basic configuration for achieving the combustion action.

As in the example shown here, the apparatus of the present invention mixes a liquid fuel, such as diesel or heavy oil, and combustion air in a preheated state to make a mixer, and the mixer is a primary combustion furnace through a narrow diameter supply pipe (10). (20) a means for supplying and combusting internally and extending around the primary combustion furnace (20) to heat air with the heat of combustion of the combustion furnace (20) and to heat the heated hot air to the primary combustion furnace (20). The fuel and incineration target waste from the supply pipe (10) are introduced into the combustion chamber (21) with a hot air supply pipe (11) for supplying the inside to further promote combustion, and a combustion chamber (21) extending in a cylindrical shape. The primary combustion furnace 20, which receives and performs combustion, and has a cylindrical combustion chamber 31, which is the same as or similar to the combustion chamber 21 of the primary combustion furnace 20, of the primary combustion furnace 20. The combustion end of the combustion chamber 21 and the combustion of the combustion chamber 31 thereof. Introducing a combustion gas stream (G ₁₎ from the first 20 to the primary combustion through the connecting pipe 50 of narrower diameter mouth vice installed thereto in communication with the interior of the combustion chamber 31 to the secondary combustion to reheat ( 30 and the secondary combustion furnace 30 having a cylindrical combustion chamber 41 of the same or similar size as the combustion chambers 21 and 31 of the primary and secondary combustion furnaces 20 and 30. Combustion stream G ₂ from the secondary combustion furnace 30 through a narrow diameter connecting pipe 60 installed between the combustion end of the combustion chamber 31 of the combustion chamber 31 and the combustion inlet of the combustion chamber 41. Is introduced into the combustion chamber 31 to be re-burned, and is configured to include a tertiary combustion furnace 40 for discharging the final combustion air stream G ₃ to one side.

In more detail the combustion action by this configuration, a mixture of fuel and combustion air made by means such as a burner including a turbo fan is of a larger diameter than the supply pipe 10 through the supply pipe 10 of the narrow conduit It is fed into the primary combustion furnace 20. At this time, the mixer supplied into the primary combustion furnace 20 through the supply pipe 10 is ignited just before exiting the supply pipe 10 so that the ignited air flow is the combustion chamber of the primary combustion furnace 20. (21) and the combustion combustion gas (G ₁ ) that is blown and burned into the primary combustion furnace 20, the primary combustion furnace having a diameter larger than this from the narrow diameter supply pipe (10) (21) 20) Immediately after entering the inside, the flow rate drops and at the same time the pressure increases, causing vortices. Therefore, the combustion air stream G ₁ is discharged from the supply pipe (the previous supply pipe) immediately after entering the primary combustion furnace 20. At 10), the vortices are generated at a lower speed and a higher pressure to flow toward the end of the primary combustion furnace 20 so that they are burned with a very high efficiency, and the waste heat introduced into the primary combustion furnace 20 by the heat of combustion is highly efficient. Will be burned off.

As described above, the combustion air stream G ₁ in which the waste is incinerated in the primary combustion furnace 20 is connected to the secondary combustion furnace through a connection pipe 50 installed at the distal end of the primary combustion furnace 20. 30 is introduced into the secondary combustion furnace 30 to achieve a secondary combustion. At this time, the combustion air flowing into the connecting pipe passage 50 having a smaller diameter than the primary combustion furnace 20 from the inside of the primary combustion furnace 20 flows while flowing inside the narrow connecting pipe passage 50. In the state of low pressure, the combustion is temporarily interrupted, and in this state, the combustion airflow G ₂ which flows into the secondary combustion furnace 30 after passing through the connection pipe 50 is flowed back into the secondary gas. As the vortex flows at a low speed and high pressure in the combustion furnace 30, the combustion is re-ignited and burned with its own heat, and most of the unburned harmful substances in the combustion air stream G2 are burned off.

As described above, the combustion air stream G ₂ re-burned in the secondary combustion furnace 30 is again connected to the third combustion furnace through a connection pipe 60 installed at an end of the secondary combustion furnace 30. 40 is introduced into the final combustion furnace 40 to achieve a final reburn. At this time, the combustion air flow introduced into the connection pipe path 60 having a smaller diameter than that of the secondary combustion furnace 30 from the inside of the secondary combustion furnace 30 is similar to the inside of the connection pipe path 60 of the narrow diameter. During the flow, high-speed, low-pressure state is a temporary combustion stop state, the combustion gas (G ₃ ) flowed into the tertiary combustion furnace 40 after passing through the connecting pipe 60 in this state is again the above As the vortex flows in a state of low speed and high pressure in the tertiary combustion furnace 40, it is re-ignited and burned by its own heat, and the unburned harmful substances remaining in the combustion air stream T ₃ are completely burned out.

Therefore, the incineration apparatus of the present invention is continuously regenerated with high efficiency while passing through the secondary and tertiary combustion furnaces 30 and 40 in which the combustion air in which the waste is incinerated in the primary combustion furnace 20 is disposed as described above. After combustion, all combustible components in the combustion stream are completely burned through the final tertiary combustion furnace 40, and only clean combustion gas G ₄ containing no unburned harmful substances is discharged to the outlet 42. Will be.

In a preferred embodiment, the primary to tertiary combustion furnaces 20, 30 and 40 are each combustion chamber based on the flow direction of the combustion air streams G ₁ , G ₂ , G ₃ . 21, 31, 41, the distal end portion is rounded in a hemispherical shape, and in this way, the combustion air streams G ₁ and G _{2 in} the respective combustion furnaces 20, 30, 40 are formed. By optimizing the flow of G ₃ ), higher combustion efficiency can be achieved.

2 to 4 can burn the waste completely by incineration so that there is no unburned emission of toxic substances by using the combustion principle as described above, and can be used for heating or drying with the heat of combustion generated during the incineration process. An example of a preferred configuration of a complete combustion incinerator combined with a hot air generator configured to generate and supply hot air is provided.

The incineration apparatus of Figs. 2 to 4 has a primary combustion furnace 20, a secondary combustion furnace 30, a tertiary combustion furnace 40, and the primary combustion furnace (1) which performs combustion on the principle as described above. 1 through a burner 70 installed on one side of the primary combustion furnace 20 and a hot air supply pipe 11 connected to the primary combustion furnace 20 to supply and burn fuel such as light oil or heavy oil to 20). A first blower 80 installed to blow-in and supply hot air for accelerating the combustion in the primary combustion furnace 20 in the primary combustion furnace 20, the secondary combustion furnace 30, and the tertiary It is comprised including the 2nd blower 90 arrange | positioned so that hot air may be made by the heat of combustion in the combustion furnace 40, and such hot air may be supplied to the required use place.

In the preferred embodiment, the primary combustion furnace 20, the secondary combustion furnace 30 and the tertiary combustion furnace 40 respectively accumulate the heat of combustion from these combustion furnaces and store the accumulated heat in the respective combustion furnaces. Is housed in a case (100) (110) made of a heat storage refractory wall to further increase the combustion efficiency or thermal efficiency of the device by reheating, and at least one of the combustion furnaces, for example, a secondary combustion furnace ( 40 is connected to a conventional dust collector 180 such as a dust collecting cyclone capable of collecting dust in the combustion air stream.

In addition, in the primary combustion furnace 20 through which the waste to be incinerated is introduced through the inlet 22, the injected waste is placed on top of the rod stall 120 which is incinerated and installed. It is preferably composed of a tube through which the coolant is circulated to withstand the high temperature combustion heat generated in the primary combustion furnace 20 during operation of the apparatus, and the circulation of the coolant through the rostol 120 Suitable cooling water circulation means 130 is provided for installation on one side of the primary combustion furnace (20).

One side of the case 110 in which the secondary and tertiary combustion furnaces 30 and 40 are accommodated and installed therein is a blower capable of generating hot air from the heat emitted from the combustion furnaces 30 and 40. 90 is provided to be installed, and the other side of the case 110 is connected to the duct 140 that can be delivered to supply the hot air generated in this way to the destination.

The burner 70 includes, for example, means for atomizing and injecting liquid fuel, such as light oil or heavy oil, into a predetermined position through an oil supply pipe, and drawing combustion atomized fuel particles into a predetermined position through a supply pipe. And means for making a mixer by mixing at a proper ratio, and means for igniting while mixing the thus-made mixture into the primary combustion furnace 20 through the supply pipe (10). Here, it is preferable that the fuel and combustion air supplied to the burner 70 are supplied in a preheated state at a predetermined temperature in advance, which is used to heat the oil supply pipe and the air supply pipe for the burner 70 at a high temperature. This can be effectively achieved by connecting to the burner 70 after the detour arrangement near the primary combustion furnace 20. The mixture made in the burner 70 with fuel particles and air in the preheated state is supplied and burned into the primary combustion furnace 20 in a state where it is more likely to be completely burned, leading to the highest combustion efficiency.

In the drawings, reference numeral 150 denotes a control box for controlling the operation of electrical components of the apparatus, 160 denotes a flow meter, and 170 denotes a reprocessing guide.

In operation, when the burner 70 is operated after the waste to be incinerated is sealed in the primary combustion furnace 20 through the inlet 22, fuel is burned in the primary combustion furnace 20 together with combustion air. Combustion is initiated as the feed ignites. When the temperature of the primary combustion furnace 20 rises to some extent after the commencement of the combustion as described above, the hot air heated by the combustion heat of the primary combustion furnace 20 is heated by the hot air supply pipe 11 and the blower 80. 20) the combustion is accelerated while being supplied to the inside, so that the garbage is burned in earnest. After that, the waste inside the primary combustion furnace 20 is burned and removed with high efficiency while the burner 70 is stopped. You lose.

As described above, the combustion air stream combusting the waste in the primary combustion furnace 20 is introduced into the secondary combustion furnace 30 through the connection pipe 50 to be reburned on the same principle as described above. By recombustion in the combustion furnace 30, most of the unburned toxic substances contained in the combustion air stream are burned off. At this time, the dust introduced into the secondary combustion furnace 30 together with the combustion airflow is collected and removed by the usual dust collecting means provided in the secondary combustion furnace 30.

Subsequently, the combustion air that has been reburned and collected in the secondary combustion furnace 30 as described above is introduced into the third combustion furnace 40 through the connecting pipe 60 and then replayed on the same principle as described above. All remaining unburned toxic substances remaining in the combustion air stream are completely burned out. Thus, clean combustion gas in which all toxic substances and dust in the combustion air stream are completely removed is removed from the tertiary combustion furnace (40). It is discharged to the atmosphere through the outlet 42 of one side.

In addition, the high temperature heat emitted from the combustion furnace 30 and 40 in the incineration process heats the air flowing around the combustion furnace 30 and 40 by the blower 90 to a high temperature. The hot air is made to be delivered to the user through the duct 140 can be effectively used as energy required for heating or drying.

Incineration of waste through the apparatus of the present invention as described above may be made by putting a certain amount of waste into the primary combustion furnace 20 at a time, or by continuously inputting waste into the primary combustion furnace 20.

Therefore, the present invention can be incinerated by completely burning various combustible wastes to prevent unburned release of harmful substances such as dioxins by the above-described configuration and operation, and also to heat or dry the furnace by the combustion heat obtained in the waste incineration process. It is possible to generate and supply hot air that can be used, and also to provide a new useful effect that can greatly reduce fuel consumption and operating cost with high combustion efficiency close to complete combustion.

Claims (4)

The primary combustion furnace 20, which is supplied with combustion fuel and incineration waste, and the combustion air flow from the primary combustion furnace 20 are introduced into the internal combustion chamber through a narrow diameter connecting conduit 50. The secondary combustion furnace 30 to be introduced, and the combustion air flow from the secondary combustion furnace 30 is introduced into the interior through a narrow diameter connecting pipe line 60 to be reburned and discharged to the outlet 42 of one side. It comprises a tertiary combustion furnace 40, and blows and supplies the burner 70 and hot air for supplying and burning fuel into the primary combustion furnace 20 to one side of the primary combustion furnace 20 And a hot air supply pipe 11 and a first blower 80 for supplying hot air to the discharge heat from these combustion furnaces 30 and 40 on one side of the secondary and tertiary combustion furnaces 30 and 40. Hot air generation combined combustion incineration, characterized in that the second blower 90 and the duct 140 that can be generated and supplied to the use Device. The method of claim 1, wherein the primary combustion furnace 20 and the secondary and tertiary combustion furnace 30, 40 is housed in the case 100, 110 made of a heat storage refractory wall. Complete combustion incinerator combined with hot air generation. According to claim 1 or claim 2, Full combustion incineration combined combustion device, characterized in that the rostol 120 made of a tubular body in which the coolant is circulated in the primary combustion furnace 20 is installed. The incinerator of claim 1 or 2, wherein a dust collector (180) is connected to the secondary combustion furnace (30).