KR200288688Y1 - incinerator - Google Patents

Abstract

The present invention relates to an incinerator installed in a sludge incineration treatment apparatus, and in particular, a large amount of oxygen supplied into the incinerator is supplied at a lower portion so that the incineration of sludge is sufficient, and air is supplied around the incinerator to heat the incinerator and the driving device. It is about an incinerator that minimizes the occurrence of this.

That is, the cylindrical body having a transfer blade on the inner peripheral surface; A sludge supply device installed at one side of the main body to supply sludge to the inside; A burner for burning the sludge supplied into the main body; In an incinerator composed of a drive device for rotating the main body,

A non-combustible material applied to the inner circumferential surface of the main body to protect the main body from heat; A plurality of feed vanes installed on the inner circumferential surface of the non-combustible material in a helical spiral to convey sludge; An oxygen supply device for supplying outside air to the inside so that the burner thermal power is maintained; A cooling chamber installed at a circumference of the main body and supplied with external air by a blower installed at one side; A secondary combustion chamber installed vertically on one side of the main body to completely burn the gas generated in the main body; It consists of a heat exchanger for converting the outside air to a high temperature by using the hot gas completely burned in the secondary combustion chamber.

Therefore, the non-combustible material is applied to the inner circumferential surface of the main body to prevent the main body from being deformed by the incineration heat therein, so that the main body of the main body lasts and the sludge and heat are prevented from being discharged through the oxygen supply line by using an elongated oxygen supply pipe. Of course, since a large amount of oxygen is supplied only to the oxygen supply pipe positioned at the lower portion, there is an effect of preventing the thermal power from being weakened by the oxygen supplied from the upper portion.

In addition, since the outer wall temperature of the incinerator is lowered by the cooling chamber that cools the outside of the main body, it is possible to prevent safety accidents caused by burns. By installing a heat exchanger to optimize the thermal efficiency, there is an effect that can be easily used by changing the air at room temperature to high temperature air.

Description

Incinerator {incinerator}

The present invention relates to an incinerator installed in a sludge incineration treatment apparatus, and in particular, a large amount of oxygen supplied into the incinerator is supplied at a lower portion so that the incineration of sludge is sufficient, and air is supplied around the incinerator to heat the incinerator and the driving device It is about an incinerator that minimizes the occurrence of this.

In general, the incinerator installed in the sludge incineration treatment apparatus is a device to remove the remaining water remaining in the sludge by flowing the sludge in which a large amount of water is removed through the drying furnace, the incineration material discharged through such incinerator is made of artificial gravel, etc. Will be recycled.

Such a conventional incinerator has a cylindrical body having a screw blade on its inner circumferential surface; A sludge supply device installed at one side of the main body to supply the sludge discharged from the drying furnace into the main body; A burner for burning the sludge supplied into the main body; A driving device for rotating the main body; It is composed of an oxygen supply device for supplying oxygen to facilitate combustion in the body.

The incinerator according to the structure as described above is introduced into the main body by a predetermined amount of sludge discharged through the drying furnace, the injected sludge begins to burn by the burner. At this time, the main body is rotated by the driving device, the sludge rises in the rotational direction of the main body and is inverted to the bottom by its own weight, the sludge that is gradually moved to one side by the screw blade formed on the inner surface of the main body and accumulated on the bottom Ascending in the direction of rotation of the main body, the sludge, which is overturned and laid on the floor, is positioned and burned evenly. In addition, a plurality of tuyeres are formed around the main body, and oxygen supplied from the oxygen supply device is supplied into the main body through the tuyeres so that combustion of the sludge is activated.

However, the conventional incinerator having the above structure has the following problems.

First, the sludge having small particles is discharged into the air vent formed around the main body, and the surrounding area of the incinerator is not only dirty, but also has to be cleaned regularly, and the internal heat is discharged along with the discharged sludge. It was very hot and there was a safety problem.

Secondly, since the outer wall of the main body is simply made of metal, there is a problem in that the deformation of the incinerator is shortened due to partial use as it is used for a long time.

Third, as the sludge supply apparatus is partially inserted into the main body, deformation occurs due to incineration heat, and thus, the sludge supply is not properly made, and there is a problem to be replaced later.

Therefore, the present invention was devised to solve the problems as described above, by applying a fire-resistant non-combustible material on the inner peripheral surface of the main body to prevent deformation of the incinerator body, and by supplying oxygen using an elongated oxygen supply pipe, The purpose is to provide an incinerator for incineration of sludge in the state of.

Incinerator according to the present invention for achieving the above object and a cylindrical body having a transfer blade on the inner peripheral surface; A sludge supply device installed at one side of the main body to supply sludge to the inside; A burner for burning the sludge supplied into the main body; In an incinerator composed of a drive device for rotating the main body,

A non-combustible material applied to the inner circumferential surface of the main body to protect the main body from heat; A plurality of feed vanes installed on the inner circumferential surface of the non-combustible material in a helical spiral to convey sludge; An oxygen supply device for supplying outside air to the inside so that the burner thermal power is maintained; A cooling chamber installed at a circumference of the main body and supplied with external air by a blower installed at one side; A secondary combustion chamber installed vertically on one side of the main body to completely burn the gas generated in the main body; It characterized in that the heat exchanger for converting the outside air to a high temperature by using the hot gas completely burned in the secondary combustion chamber.

And, the transfer blades and a pair of parallel support rods that are vertically attached to the inner peripheral surface of the main body; It is attached to the end of the support rod vertically characterized in that it consists of a flat and wide piece piece inclined to one side, the non-combustible material forms a gap between the support rod and the non-combustible material of the transfer blade to have a space to be shrunk by incineration heat It is characterized by.

In addition, the oxygen supply device is made of an elongated tube, the central portion is embedded in the non-combustible material applied to the main body, one end is exposed to the inside of the main body is bent in the burner direction, while the other end is the oxygen supply pipe exposed to the outside of the main body ; A duct installed to have a space around an oxygen supply pipe exposed to the outside, the upper space being narrow and the lower space being wide; It is characterized in that the blower is installed in the lower portion of the duct for forcibly supplying the outside air.

In addition, the sludge supply apparatus is formed of a double pipe to allow the coolant to circulate therein, and a blower is installed at one side, and air is introduced into the incinerator together with the sludge.

In addition, the secondary combustion chamber has a partition wall which is alternately opened to both sides therein is formed, the upper portion is narrow, the lower portion is a wide coil-like medium is embedded, the burner is installed on one side.

1 is a front sectional view showing the structure of an incinerator according to the present invention;

2 is a cross-sectional view taken along the line A-A of FIG.

Figure 3 is a detailed view showing the main structure of the transfer blade of the incinerator according to the present invention.

*** Explanation of symbols for the main parts of the drawing ***

10: main body 11: non-combustible material 12: gap

13 transfer blade 14 pieces 15 support rod

20: sludge supply device 30: burner 40: drive device

50: oxygen supply device 51: oxygen supply pipe 52: duct

60: cooling chamber 70: secondary combustion chamber 71: coiled medium

80 heat exchanger 81 pipe 82 exhaust

B: Burner F: Blower M: Reduction Motor

R: Driven roller R ': Driven roller

Hereinafter, with reference to the accompanying drawings will be described in detail.

1 is a front sectional view showing the structure of an incinerator according to the present invention, Figure 2 is a cross-sectional view taken along line A-A of Figure 1, Figure 3 is a detailed view of the main portion showing the structure of the transfer blade of the incinerator according to the present invention.

As shown in these drawings, the incinerator according to the present invention has a cylindrical body 10 having a feed vane 13 on an inner circumferential surface thereof; A sludge supply device 20 installed at one side of the main body 10 to supply the sludge discharged from the drying furnace into the main body; A sludge supply device 20 for supplying sludge to the inside; A burner (30) for burning the sludge supplied into the main body (10); In the incinerator composed of a drive device 40 for rotating the main body 10,

A non-combustible material (11) applied to the inner circumferential surface of the main body (10) to protect the main body (10) from heat; A plurality of transfer blades 13 installed on the inner circumferential surface of the non-combustible material 11 in a helical spiral to convey sludge; An oxygen supply device 50 for supplying external air to the inside such that the thermal power of the burner 30 is maintained; A cooling chamber 60 installed at a circumference of the main body 10 and supplied with external air by a blower F installed at one side thereof; A secondary combustion chamber (70) installed vertically on one side of the main body (10) to completely burn the gas generated in the main body (10); It is composed of a heat exchanger 80 for converting the outside air to a high temperature by using the hot gas completely burned in the secondary combustion chamber (70).

In addition, the sludge supply device 20 is formed of a double pipe, and the cooling water is supplied to the inside of the double pipe to circulate, thereby preventing deformation due to incineration heat, thereby extending the life of the sludge supply device 20. In addition, a blower (F) is installed on one side to allow the outside air to be introduced into the main body together with the sludge, thereby incinerating in the main body to prevent the gas from flowing into the secondary combustion chamber (70) to prolong the residence time of the gas. Be sure to

The plurality of feed vanes 13 installed on the inner circumferential surface of the main body 10 of the incinerator are a pair of supporting rods 15 attached to the inner circumferential surface of the main body and pieces of pieces 14 attached to the ends of the supporting rods 15. The support rod 15 is integrally formed on the inner circumferential surface of the main body 10 by welding, and the piece 14 is also attached to the ends of both support rods 15 by welding. At this time, the pieces 14 are attached inclined slightly diagonally in a wide and flat shape.

The transfer blade 13 is installed in a plurality of maintaining a constant interval in the axial direction of the main body 10. Then, the transfer blade 13 is installed in the next row, so that one end of the piece 14 is installed on the distal end of the piece 14 of the transfer blade 13, the transfer blade 13 is installed sequentially.

On the other hand, the oxygen supply device 50 is a plurality of oxygen supply pipe 51 is in close contact with the inner circumferential surface of the main body 10, the end is bent and installed toward the burner 30, the other end is the main body 10 Is exposed to the outside. Here, the end toward the inside of the main body 10 is concentrated at the site where the incineration becomes strong.

In addition, a duct 52 is formed to have a space in which oxygen can be supplied around the main body 10 where the end of the oxygen supply pipe 51 exposed to the outside of the main body is located, which is shown in FIG. 2. As shown, the upper space is narrow while the lower space is formed wide, and a blower F forcibly supplying outside air is installed under the wide duct 52. Therefore, the oxygen supply pipe 51 located at the upper part has a small supply amount of oxygen, and the oxygen supply pipe 51 located at the lower part has a large supply amount of oxygen.

The non-combustible material 11 applied to the inner circumferential surface of the main body 10 of the incinerator is used, such as castable having excellent fire resistance, such a non-combustible material 11 is the support rod 15 and the oxygen supply device of the transfer blade (13) ( A portion of the oxygen supply pipe 51 of 50) is thickly applied. At this time, the non-combustible material 11 has a gap formed between the support rod 15 and the non-combustible material 11 of the transfer wing 13 to have a space that is contracted by the incineration heat.

On the other hand, the cooling chamber 60 formed on the outer circumferential surface of the main body 10 is installed so that one end is connected to the secondary combustion chamber 70, the air supplied to the cooling chamber 60 is discharged toward the secondary combustion chamber 70 Be sure to In addition, by connecting the pipe so that the cool air by the blower (F) flows into both parts of the roller (R) is installed while being connected around the roller (R) of the drive device 40, the drive device (40) as well as the main body (10) to extend the life of the incinerator to prevent hot accidents caused by burns.

Unexplained symbol M is deceleration motor, R 'is driven roller.

The secondary combustion chamber 70 installed at the site where the sludge supply device 20 of the main body 10 is installed is for completely burning the gas when the incinerated gas flows from the main body 10, and the main body 10 It is installed vertically on one side of), a coil-like medium 71 is installed therein, and burner F is installed on one side thereof. Therefore, secondary combustion occurs while the gas is in contact with the surface of the coiled medium 71. In addition, the partition wall 72 is alternately formed on the inner circumferential surface of the wall so as to alternately open, so that the residence time of the incinerated gas is extended.

In addition, the heat exchanger 80 installed in the upper portion of the secondary combustion chamber 70 is installed with a pipe 81 bent in a zigzag manner, and an outlet 82 is formed in the upper portion thereof. The outside air enters through the pipe 81 installed inside the heat exchanger 80, is converted into high temperature, and is discharged, and is discharged to the hot air and the discharge port 82 formed on the heat exchanger 80. Is used in drying furnaces.

Looking at the operating state of the incinerator according to the present invention made of a structure as described above are as follows.

First, as the sludge supply apparatus 20 is driven, the sludge passed in the drying furnace is accumulated by the predetermined amount into the main body, and the accumulated sludge is moved up and down by the rotating main body 10.

Here, since the main body 10 is formed in a cylindrical shape, the sludge is lifted by its own weight and falls to the bottom of the main body 10, and the sludge is pushed to one side by the piece 14 of the transfer blade 13 to fall off. Therefore, it is gradually transferred to the direction in which the burner 30 is installed. In this case, when the sludge falls, the sludge that falls on the floor is incinerated evenly because the sludge which is located on the bottom is positioned at the top.

In addition, oxygen is supplied into the main body 10 through the oxygen supply pipe 51 by the oxygen supply device 50, thereby maintaining the thermal power of the burner 30. In addition, since the upper space is narrow and the lower space is wide, the upper portion of the duct 52 provided at the end of the oxygen supply pipe 51 has a larger amount than the upper oxygen supply pipe 51. Oxygen is supplied. Therefore, it is possible to prevent the phenomenon that the thermal power is weakened due to the oxygen supplied from the upper portion and to maintain the thermal power.

The sludge is repeatedly incinerated and conveyed by the above-described method, thereby turning into incineration ash and finally discharged through the discharge port installed at the end by the feed vane. The incineration ash discharged as described above becomes very small in volume and recycled to artificial gravel.

On the other hand, the gas generated by incineration by the burner 30 and the air introduced into the cooling chamber 60 flows into the secondary combustion chamber 70 installed vertically on one side of the main body. Here, the gas and air are combusted by the burner (B) of the secondary combustion chamber 70, the secondary combustion while contacting the coil-like medium 71, the gas by the partition 72 formed alternately left and right Extend residence time to ensure complete combustion.

And, the waste gas completely burned by the secondary combustion chamber 70 is introduced into the heat exchanger 80 of the upper portion, and in contact with the pipe 81 in the heat exchanger 80 to increase the temperature of the pipe 81 do.

At this time, the inside of the pipe 81 is introduced into the outside air flows to the pipe 81 to change to a high temperature. In this way, the hot air passing through the pipe 81 is supplied into the drying furnace and used to remove water vapor generated in the drying cylinder. In addition, the high temperature waste gas heating the pipe 81 of the heat exchanger 80 is used to heat the outside of the drying cylinder of the drying furnace.

As described above, the incinerator according to the present invention has the following effects.

First, the incinerator according to the present invention by applying a non-combustible material on the inner peripheral surface of the main body to prevent the main body is deformed by the incineration heat therein has the effect that the life of the main body lasts.

Second, the incinerator according to the present invention by using an elongated oxygen supply pipe, to prevent the sludge and heat is discharged through the oxygen supply pipe, as well as a large amount of oxygen is supplied only to the oxygen supply pipe located below the oxygen supplied from the upper Due to the effect of preventing the fire is weak.

Third, since the incinerator according to the present invention lowers the outer wall temperature of the incinerator by a cooling chamber for cooling the outside of the main body, it is possible to prevent safety accidents due to burns, and to cool the component elements of the drive device for a long time use. have.

Fourth, the incinerator according to the present invention has an effect that can be used by easily installing a heat exchanger in the upper portion of the secondary combustion chamber to optimize the thermal efficiency as well as to easily change the air at room temperature to high temperature air.

Fifth, the incinerator according to the present invention is formed of a sludge feeder in a double pipe, it is effective to extend the life of the sludge feeder as it is prevented from being deformed by the incineration heat by circulating the supply of cooling water therein.

Claims (6)

A cylindrical body having a feed vane on an inner circumferential surface thereof; A sludge supply device installed at one side of the main body to supply sludge to the inside; A burner for burning the sludge supplied into the main body; In an incinerator composed of a drive device for rotating the main body, A non-combustible material applied to the inner circumferential surface of the main body to protect the main body from heat; A plurality of feed vanes installed on the inner circumferential surface of the non-combustible material in a helical spiral to convey sludge; An oxygen supply device for supplying outside air to the inside so that the burner thermal power is maintained; A cooling chamber installed at a circumference of the main body and supplied with external air by a blower installed at one side; A secondary combustion chamber installed vertically on one side of the main body to completely burn the gas generated in the main body; And a heat exchanger configured to convert external air into high temperature by using hot gas that is completely combusted in the secondary combustion chamber. According to claim 1, The transfer blades and a pair of parallel support rods perpendicularly attached to the inner peripheral surface of the main body; Incinerator, characterized in that consisting of flat and wide pieces piece installed inclined to one side while being vertically attached to the end of the support bar. 3. The incinerator of claim 2, wherein a gap is formed between the support rod of the transfer blade and the noncombustible material so that the noncombustible material has a space contracted by incineration heat. According to claim 1, wherein the oxygen supply device is formed of an elongated tube and the central portion is embedded in the non-combustible material applied to the main body, one end is exposed to the inside of the main body is bent in the burner direction while the other end is exposed to the outside of the main body Oxygen supply pipe; A duct installed to have a space around an oxygen supply pipe exposed to the outside, the upper space of which is narrow, and the lower space of which is wide; The incinerator, characterized in that configured in the lower portion of the duct is configured to blower for forced supply of external air. The incinerator according to claim 1, wherein the sludge supply device is formed of a double pipe, the coolant is supplied to the inside of the double pipe to circulate the air, and an air blower is installed at one side of the sludge supply unit to introduce air into the body together with the sludge. The incinerator according to claim 1, wherein the secondary combustion chamber has a partition wall which is alternately opened in both sides of the secondary combustion chamber, a upper coil is narrow and a lower coil is wide, and a burner is installed at one side.