KR100726788B1 - Waste destruction by fire system - Google Patents

Abstract

The present invention relates to an apparatus for removing odor and smoke from waste incineration and waste drying systems. The present invention is characterized in that the odor and smoke removal device is provided between the reburn chamber of the waste drying system and the dust collector of the waste drying system, and burns and removes odors and smoke contained in the air collected in the dust collector.

The present invention configured as described above recycles the odor and soot of the waste which has been processed in the waste incineration and waste drying system to the inside of the duct member provided at the outer circumference of the reburn chamber of the incineration system, and receives the high heat generated in the reburn chamber to burn and remove it. By discharging to the outside, it is possible to safely treat wastes with high moisture content, thereby preventing air pollution and providing a comfortable ambient air.

Waste, odor, soot, removal

Description

Waste incineration and odor and smoke removal system of waste drying system {WASTE DESTRUCTION BY FIRE SYSTEM}

1 is a schematic view showing the overall structure of a conventional waste incineration and waste drying system.

Figure 2 is a block diagram showing a state in which the odor and smoke removal device is installed in the waste incineration and waste drying system according to the present invention.

3 is a cross-sectional view schematically showing the odor and smoke removal apparatus of FIG.

4 is an enlarged cross-sectional view of the main portion of FIG. 3;

Figure 5 is a cross-sectional view showing the operation of the odor and smoke removal device of the waste incineration and waste drying system according to the present invention.

6 is a sectional view showing another embodiment of the present invention.

<Description of the symbols for the main parts of the drawings>

18: reburn chamber 60: dust collector

70: odor and smoke removal device 71: space part

72: duct member 74: guide member

76: outlet 77: inlet

79: supply pipe member 80: blower

81: discharge pipe member 90: protruding piece

The present invention relates to a waste incineration and waste drying system, and in particular, it is configured to remove the odor and soot of the waste treated in the incineration and drying system by recycling to the inside of the duct member provided in the outer periphery of the reburn chamber of the incineration system.

In general, wastewater with a high water content such as sludge, residue, and sludge is disposed of as landfills, which is a major source of deterioration of the natural environment by contaminating soil and groundwater.

In order to solve this problem, wastes having a high moisture content are heated and dried to remove moisture, and sludge is recycled, and the residue is being developed to develop a system that can be used as feed for fertilizers and livestock.

The waste incineration system and waste drying system will be described with reference to the accompanying drawings.

As shown in FIG. 1, the waste incineration system includes a combustion chamber 100 for burning combustible waste; A waste input device 200 for introducing a proper amount of combustible waste into the combustion chamber 100; A combustion unit 300 installed below the combustion chamber 100 to combust the combustible waste supplied from the waste input device 200; An exhaust port 400 through which exhaust gas combusted in the combustion chamber 100 is discharged; A reburn chamber 500 through which exhaust gas is supplied through an exhaust port 400; The combustion chamber 500 includes a reburn burner 600 for reburning the exhaust gas inside the reburn chamber 500.

On the other hand, the waste drying system is connected to the inlet 710 through which the waste supplied by the crusher 700 for inputting and crushing the waste water having a high moisture content and the outlet 610 of the reburn chamber 600 are inclined state, Dry drum 800 rotated in; An impeller 960 installed inside the drying drum 800 and fixed to the central axis 900 to rotate; It is installed around the inside of the drying drum 800, and consists of a pin 980 for generating a drop impact.

Referring to the conventional operating state configured as described above, various combustible wastes such as various industrial wastes and household wastes are collected, various wastes are put into the hopper 220, and then the motor 210 of the waste input device 200 is operated. By filling the waste into the combustion unit 300, the fuel for initial ignition is supplied, the waste is ignited by the operator to start the combustion to continue the self-burning process by the waste.

At this time, the operator operates a general blower (not shown) for supplying combustion air, and the air pressurized by the blower rises spirally in the combustion chamber 100 and flows into the exhaust port 400.

As described above, the exhaust gas contained in the air introduced into the exhaust port 400 is burned again by the reburn burner 500 installed in the exhaust port 400, so that the temperature of the reburn chamber 600 is increased, and the temperature is increased. The elevated air is introduced into the drying drum 800 through the outlet 610, and is crushed by the crusher 700, and sequentially drying the waste water having a high moisture content flowing through the inlet 710.

At this time, by the pin 980 inside the drying drum 800, the injected waste hits the impeller 960 which is rotated while being raised and dropped, broken again and evenly exposed by high temperature air, thereby making it easy to dry.

The waste thus dried is pushed out through the drying outlet 810 at the other end of the drying drum 800 so that it can be discharged while being discharged, and the float and air rise to pass through the dust collector 990 to discharge only pure air. , The large particles float down to the dust collector 990 is discharged to the outside.

However, the conventional waste incineration and drying system configured as described above burns various combustible wastes such as industrial wastes and household wastes and supplies heat to the reburn chamber, and supplies heat to the reburn chamber in the reburn chamber. The temperature is maintained at a high temperature, and the high moisture content waste water having high moisture content injected into the drying drum of the drying system is sequentially processed.

The waste gas, which has been processed by such a process, has retained moisture, causing odors.It is not completely treated and released into the atmosphere, which not only contaminates the air but also causes severe odors. It was difficult to maintain a comfortable life.

Accordingly, the present invention was devised to solve such a conventional problem, and the present invention recycles and removes odor and soot contained in the treated waste by recycling the inside of the duct member provided at the outer periphery of the reburn chamber of the incineration system. The purpose of the present invention is to provide a waste incineration and drying system odor removal device that completely treats waste water having high moisture content, thereby preventing air pollution and maintaining pleasant ambient air.

The present invention for achieving the above object, and a waste input device for injecting combustible waste into the combustion chamber; A combustion unit installed below the combustion chamber to combust the combustible waste supplied from the waste input device; An exhaust port through which exhaust gas combusted in the combustion chamber is discharged; A reburn chamber supplied with exhaust gas through the exhaust port; A waste incineration system comprising a reburn burner for reburning the exhaust gas inside the reburn chamber; And a drying drum connected to an inlet through which a waste supplied by a crusher for inputting and crushing waste having a high moisture content and an outlet of a reburn chamber are connected. A waste drying apparatus comprising a dust collector provided at one side of the drying drum, the duct member installed to form a space at an outer circumference of the reburn chamber; A guide member fixed to the inner circumference of the duct member and extending in a helical shape to closely contact the outer circumference of the reburn chamber; Outlets and inlets respectively provided in communication with one side and the other side of the duct member; A supply pipe member connected between the inlet port and the dust collector to supply air in the dust collector to a space portion of the duct member; A blower provided in the supply pipe member on the reburn chamber side to forcibly supply the air to the space portion of the duct member; And a discharge pipe member inserted into the discharge port of the outer circumference of the duct member to discharge air from which odor and smoke are removed to the outside. It is achieved by being provided with a odor and smoke removal apparatus for burning by removing the odor and smoke contained in the air collected in the dust collector.

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

Of the accompanying drawings, Figure 2 is a block diagram showing a state in which the odor and smoke removal device is installed in the waste incineration and waste drying system according to the present invention, Figure 3 is a cross-sectional view schematically showing the odor and smoke removal device of FIG. 4 is an enlarged cross-sectional view of the main part of FIG. 3, FIG. 5 is a cross-sectional view illustrating an operation state of the odor and smoke removal apparatus of a waste incineration and waste drying system according to the present invention, and FIG. 6 is another embodiment of the present invention. It is sectional drawing.

2 to 5, the waste incineration system according to the present invention includes a combustion chamber 10 for burning combustible wastes; A waste input device 12 for introducing a proper amount of combustible waste into the combustion chamber 10; A combustion unit 14 installed below the combustion chamber 10 to combust the combustible wastes supplied from the waste input device 12; An exhaust port 16 through which exhaust gas combusted in the combustion chamber 10 is discharged; A reburn chamber 18 through which exhaust gas is supplied through an exhaust port 16; It consists of a reburn burner 20 for reburning the exhaust gas in the reburn chamber 18.

On the other hand, the waste drying system is connected to the inlet 31 and the outlet 19 provided on one side of the re-combustion chamber 18 to which the waste supplied by the crusher 30 for inputting and crushing the waste with high moisture content is connected, A drying drum 40 rotated in an inclined state; An impeller 52 installed inside the drying drum 40 and fixed to the central shaft 50 to rotate; It is installed around the inside of the drying drum 40 and consists of a pin 54 for generating a drop impact.

In addition, the other side of the drying drum 40 is provided with a dust collector 60 so that the dried waste is pushed out through the dry matter discharge part 56 and dropped while being discharged, and the float and air are raised to raise the dust collector 60. Pure air is discharged while passing, and the suspended solids are discharged by falling down the dust collector 60.

On the other hand, the odor and smoke removal device 70 is provided between the reburn chamber 18 and the dust collector 60 to remove the odor and smoke contained in the dried waste.

The odor and smoke removal device 70 includes a cylindrical duct member 72 installed to form a space 71 at an outer circumference of the reburn chamber 18; A guide member (74) fixed to the inner circumference of the duct member (72) and extending spirally to be in close contact with the outer circumference of the reburn chamber (18); A discharge port 76 and an inlet port 77 provided in communication with one side of the duct member 74 and the other outer periphery thereof; A supply pipe member 79 connected between the inlet 77 and the dust collector 60 to supply odors and smoke contained in the air in the dust collector 60 into the duct member 72; A blower (80) provided in the supply pipe member (79) on the reburn chamber (18) to forcibly supply air containing odor and soot into the duct member (72); The duct member (72) is inserted into the outlet (76) of the outer circumference of the one side and consists of a discharge pipe member (81) for discharging the air from which the odor and the smoke have been removed.

At this time, the reburn chamber 18 is made of stainless steel (SUS 310S) whose material can withstand high temperatures, has a high thermal conductivity, and maintains a thickness of about 18 mm, and thus has a high temperature (1100 ° C.) inside the reburn chamber 18. ) Is conducted to the space portion 71 of the duct member 72 to burn off the odor and soot introduced into the duct member 72 to remove.

On the other hand, the duct member 72 is preferably installed on the outer periphery of the reburn chamber 18 whose one end is close to the reburn burner 20, and the other end is provided close to the end of the reburn chamber 18.

The guide member 74 is formed gradually wider from the inlet 77 side toward the outlet 76 side, which is the high heat inside the reburn chamber 18 is conducted to the duct member 72 to As the air expands, it gradually forms wider.

At this time, the air introduced through the inlet (76) is maintained at a temperature of 180 ℃, air volume 150m ^3, is moved along the guide member 74 so that the temperature at the outlet 75 side is 650 ℃, the air volume is maintained at 450m ³ Odors and soot are burned and removed.

On the other hand, as shown in Figure 6, the inner periphery of the duct member 72 and the outer periphery of the reburn chamber 18 between the guide member 74 is provided with a protruding piece 90 alternately between the odor and soot passing therebetween. This included air is a vortex is generated to increase the internal temperature is easy to eliminate odor and soot.

Referring to the operating state of the present invention configured as described above, as shown in Figure 2, various kinds of industrial wastes and various kinds of combustible wastes such as household wastes are collected and put into the hopper (1), and then the motor of the waste input device 12 By operating 12a, the waste is filled in the combustion section 14, fuel for initial ignition is supplied, the waste is ignited by the operator, combustion starts, and the self-burning process by the waste continues.

At this time, the operator operates a general blower (not shown) for supplying combustion air, and the air pressurized by the blower rises spirally in the combustion chamber 14 and flows into the exhaust port 16.

In this way, the exhaust gas contained in the air flowing into the exhaust port 16 is burned again by the reburn burner 20 installed in the exhaust port 16, thereby raising the temperature (about 1100 ° C) of the reburn chamber 18. Thus, the air whose temperature is raised is introduced into the drying drum 40 through the outlet 19, crushed by the crusher 30, and sequentially drying the waste water having a high moisture content flowing through the inlet 31. Let's go.

At this time, by the pins 54 inside the drying drum 40, the injected waste hits the impeller 52 which is rotated while rising and falling, is broken again, and is evenly exposed by the hot air, thereby making it easy to dry.

The waste thus dried is pushed out through the drying outlet 56 at the other end of the drying drum 40 and can be discharged while falling, and the air is raised to pass through the dust collector 60 and the reburn chamber 18 and the dust collector. Odor and smoke included in the odor and smoke removal device 70 provided between the 60 is removed, and the suspended solids are large particles are dropped to the dust collector 60 is discharged to the outside.

3 to 5, the operation state of the odor and smoke removal device 70 will be described. First, the blower 80 provided in the supply pipe member 79 of the reburn chamber 18 is operated. Then, the air is introduced into the dust collector 60, and the air in the state containing odor and soot is reburned along the supply pipe member 79 connected between the inlet 77 of the duct member 74 and the dust collector 60 ( It is forced to flow into the space portion 71 between the 18 and the duct member 72.

In this way, the air introduced into the space portion 71 of the duct member 72 is fixed to the inner circumference of the duct member 72, the guide member 74 is formed to extend in a spiral so as to be in close contact with the outer circumference of the reburn chamber (18) The temperature is increased while being moved along, and is discharged to the outside through the discharge pipe member 81 inserted into the outlet 76 of the outer circumference of the duct member 72 in a state in which the odor and smoke contained in the air are burned and removed. do.

At this time, the reburn chamber 18 is made of stainless steel, which is sufficiently resistant to high temperature, and has a high thermal conductivity, so that the high heat (1100 ° C.) inside the reburn chamber 18 is the space portion 71 of the duct member 72. It is easily conducted to raise the temperature inside the space portion 71 of the duct member 72 to remove the odor and soot burning.

On the other hand, the guide member 74 is gradually formed as the interval from the inlet port 77 side to the outlet port 76 side, which is a high heat inside the reburn chamber 18 is conducted to the duct member 72 inside As air is expanded, it gradually forms wider.

At this time, the air introduced through the inlet (76) is maintained at a temperature of 180 ℃, the air volume 150m ^3, is moved along the guide member 74, the temperature at the outlet 75 side is 650 ℃, the air volume 450m ³ It keeps burning and removing bad smell and soot.

On the other hand, as shown in Figure 6 the inner periphery of the duct member 72 between the guide member 74 and the outer periphery of the reburn chamber 18 is provided with a protruding piece 90 is staggered by the air passing therebetween The internal temperature is raised to facilitate the removal of odor and soot.

According to the waste incineration and waste drying system according to the present invention described above, the odor and soot of the waste processed in the waste incineration and waste drying system is recycled into the duct member provided in the outer periphery of the reburn chamber of the incineration system, By receiving the high heat generated from the reburn chamber, burning it out and discharging it to the outside, it is possible to safely treat wastes with high moisture content, thereby preventing air pollution and maintaining pleasant ambient air.

While the invention has been shown and described with respect to certain preferred embodiments thereof, the invention is not limited to the embodiments described above, and is typically defined in the art to which the invention pertains without departing from the spirit of the invention as claimed in the claims. Anyone with knowledge of the world can make many variations.

Claims (5)

A waste input device for injecting flammable waste into the combustion chamber; A combustion unit installed below the combustion chamber to combust the combustible waste supplied from the waste input device; An exhaust port through which exhaust gas combusted in the combustion chamber is discharged; A reburn chamber supplied with exhaust gas through the exhaust port; A waste incineration system comprising a reburn burner for reburning the exhaust gas inside the reburn chamber; And a drying drum connected to an inlet through which a waste supplied by a crusher for inputting and crushing waste having a high moisture content and an outlet of a reburn chamber are connected. In the waste drying apparatus consisting of a dust collector provided on one side of the drying drum, A duct member 72 installed to form a space 71 at an outer circumference of the reburn chamber 18; A guide member (74) fixed to an inner circumference of the duct member (72) and extending spirally to be in close contact with an outer circumference of the reburn chamber (18); Outlets 76 and inlets 77 provided to communicate with one side and the other side of the duct member 74; A supply pipe member 79 connected between the inlet 77 and the dust collector 60 to supply air in the dust collector 60 to the space portion 71 of the duct member 72; A blower (80) provided in the supply pipe member (79) on the reburn chamber (18) to forcibly supply the air to the space portion (71) of the duct member (72); And A discharge pipe member 81 inserted into the outlet 76 of the outer circumference of one side of the duct member 72 to discharge air from which odor and soot are removed; The odor and smoke removal apparatus of the waste incineration and waste drying system, characterized in that provided with a odor and smoke removal device 70 to burn off the odor and smoke contained in the air collected by the dust collector (60). delete delete The method of claim 1, wherein the guide member 74 is a odor and smoke removal device of the waste incineration and waste drying system, characterized in that the gap is formed gradually wider from the inlet 77 side toward the outlet 76 side. . The circumferential edge of the duct member 72 and the outer circumference of the reburn chamber 18 are alternately provided with the protruding pieces 90 so that the air passing therebetween is vortexed. Odor and smoke removal device of the waste incineration and waste drying system, characterized in that is generated.

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