KR101716097B1 - Stoker type incinerator - Google Patents

Abstract

The present invention relates to a stoker type incinerator to prevent melt incinerated matters from flowing and infiltrating between a grate module and a wall module. According to the present invention, the stoker type incinerator comprises the grate module formed in a stair type and a sidewall installed on both sides of the grate module. The sidewall comprises: a steel plate having one or more first injection holes and a plurality of first fastening holes; a fastening bolt allowing the first fastening hole of the steel plate to be fixated to one side thereof and having a thread formed on the other side thereof; a hallow injection pipe to make one side penetrate the first injection hole of the steel plate to be exposed to the outside; an air supply unit to supply air to one side of the injection pipe exposed to the outside of the steel plate; a rear member having a reception space formed to be dented toward the rear from the front, and having a second injection hole and a plurality of second fastening holes to allow the fastening bolt and the injection pipe to be passed; a front member having a reception space formed to be dented toward the front from the rear, and connected on an opened front surface of the rear member; and a plurality of fastening means to connect the rear member to the front member.

Description

{STOKER TYPE INCINERATOR}

The present invention relates to a stoker-type incinerator, and more particularly, to a stoker-type incinerator in which incineration materials attached to walls are sandwiched between a grate module formed in a stepped shape and side walls provided on both sides of the grate module, And an incinerator.

In general, waste disposal methods include landfill, incineration, and recycling. Among these methods, the incineration method is a method of recycling flammable waste in waste and recycling it using fuel as a fuel, And the like.

These incineration methods are classified into grate type, fluid type, rotary kiln type, and spray type incinerator type according to the type and amount of waste to be treated, and the grate incinerator is constructed by incinerating the waste on the grate And it is possible to incinerate wastes widely from low calorific value to high calorific waste.

The grate incinerator has a support rod extending in a direction orthogonal to the direction of transport of the waste in the combustion chamber, and a plurality of grate members are arranged in a state in which a plurality of grate members are arranged along the extending direction of the support bar. In addition, the grate incinerator is operated in a state where one set of grate is rubbed with a linear reciprocating motion on any one set of grate, and the wastes provided on the grate are stirred and transferred in the direction of linear motion.

In the case of such a grate incinerator, as the incinerator waste is incinerated while moving along the grate module, the ashes from the wall melt and flow down to flow and penetrate between the grate module and the wall module, thereby interfering with the motion of the grate, There was a problem that disturb movement.

Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made to solve the above-mentioned problems occurring in the prior art, and it is an object of the present invention to provide an ash- The object of the present invention is to provide a stoker-type incinerator which prevents the incineration ash from flowing and infiltrating.

The solution to the problem of the present invention is not limited to those mentioned above, and other solutions not mentioned can be clearly understood by those skilled in the art from the following description.

According to another aspect of the present invention, there is provided a stoker type incinerator comprising a grate module formed in a stepped shape and side walls provided on both sides of the grate module, the side wall including at least one first injection port and a plurality of A hollow injection tube having one side fixed to the first fastening hole of the steel plate and the other side formed with a screw thread and one side passing through the first injection port of the steel plate and exposed to the outside, An air supply part for supplying air to one side of the injection pipe exposed to the outside of the steel plate, and a receiving space formed concavely from the front to the rear, the second injection port through which the fastening bolt and the injection pipe pass, And a front surface portion connected to the open front surface of the back surface member, And, a plurality of fastening means for connecting the rear member and the front member.

Meanwhile, the front surface of the front surface member may have protrusions formed on the outer surface of the front surface member.

On the other hand, first, second, and third supply ports are formed on the steel plate, the rear surface member,

A supply pipe through which one end of the steel pipe passes through the first supply port and is exposed to the outside and the other end through the second and third supply ports of the back surface member and the front member, And a powder supply unit for supplying particles.

A refractory member made of a heat-insulating castable material may be formed on at least one of the upper surface and the lower surface of the back surface member and the front surface member.

According to the inventive stoker-type incinerator, since the ash-like materials melted and flowed in the existing wall are solidified in the wall, they are separated from the wall by the self weight to solid state, and the molten ashes are flowed and penetrated between the grate module and the wall module There is an effect of preventing such a problem.

Also, since the molten ash does not flow and penetrate between the grate module and the wall module, the grate can be protected to keep the movement of the grate, and the clinker is prevented from being generated, thereby protecting the wall module.

The effects of the present invention are not limited to those mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the following description.

1 is a cross-sectional view of a stoker type incineration apparatus according to an embodiment of the present invention.
2 is an exploded perspective view of a steel plate and a backing member, which are components of a stoker-type incinerator according to an embodiment of the present invention.
3 is an exploded perspective view of a steel plate, a backing member, and a front member, which are components of a stoker-type incinerator according to an embodiment of the present invention.
4 is a perspective view of a steel plate, a backing member, and a front member, which are components of a stoker-type incinerator according to an embodiment of the present invention.
5 is a perspective view of a stoker type incineration apparatus according to an embodiment of the present invention.
6 is a cross-sectional view of a stoker type incineration apparatus according to another embodiment of the present invention.
7 is an exploded perspective view of a steel plate and a backing member, which are components of a stoker-type incinerator according to another embodiment of the present invention.
8 is an exploded perspective view of a steel plate, a rear member, and a front member, which are components of a stoker-type incinerator according to another embodiment of the present invention.
9 is a perspective view of a steel plate, a backing member, and a front member, which are components of a stoker-type incinerator according to another embodiment of the present invention.
10 is a perspective view of a stoker type incineration apparatus according to another embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings, wherein like reference numerals refer to like or similar elements throughout the several views, and redundant description thereof will be omitted.

In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail. It is to be noted that the accompanying drawings are only for the purpose of facilitating understanding of the present invention, and should not be construed as limiting the scope of the present invention with reference to the accompanying drawings.

2 is a perspective view illustrating a steel plate and a rear member, which are components of a stoker-type incinerator according to an embodiment of the present invention, and FIG. 3 is an exploded perspective view of the inventive stoker- FIG. 4 is a perspective view illustrating a part of a stoker-type incinerator according to an embodiment of the present invention. FIG. FIG. 5 is a perspective view of a stocker type incineration apparatus according to an embodiment of the present invention. FIG.

1 to 5, a stoker type incinerator according to an embodiment of the present invention includes a grate module 100 formed in a step shape and a side wall 200 installed on both sides of the grate module 100 .

The side wall 200 is formed by stacking refractory bricks 500 and a space 201 is formed adjacent to the grate module 100. The space 201 includes a steel plate 210, A rear member 230, a rear member 250, a front member 260, and the like.

First, the steel plate 210 is formed with at least one first injection port 211 and a plurality of first fasteners 212, and has heat resistance. The fastening bolt 220 is inserted into the first fastening hole 212 of the steel plate 210 and the fastening bolt 220 is fastened to the steel plate 210 by welding or the like. A thread 221 is formed on the other side of the fastening bolt 220.

The injection tube 230 has a hollow shape and one side is exposed to the outside through the first injection port 211 of the steel plate 210 and the outer surface of the injection tube 230 exposed to the outside of the steel plate 210 One side is connected to the air supply part 240 and is supplied with cooling air.

The cooling air supplied through the injection tube 230 is supplied to the spaces S1 and S2 between the rear member 250 and the front member 260 to be described later.

The rear member 250 forms a receiving space S1 having a concave rear surface from the front and includes a second injection port 251 through which the fastening bolt 220 and the injection pipe 230 pass, (252), and is formed of a refractory metal. The back member 250 is disposed in such a manner that the fastening bolt 220 and the injection tube 230 are inserted into the second injection port 251 and the second fastening hole 252 and the second fastening hole 252 is formed in the second fastening hole 252 The fastening bolts 220 are fastened with the nuts 222. At this time, the nut 222 is disposed on both sides of the second fastener 252 and can be fastened to the fastening bolt 220. Therefore, the back member 250 is fixed in a state of being spaced apart from the steel plate 210.

 The front member 260 forms a receiving space S2 recessed forward from the rear and is connected to the open front face of the rear member 250 and is formed of a refractory metal.

A plurality of connection holes 254 and 264 are formed in a portion where the rear member 250 and the front member 260 are in contact with each other and the connection holes 254 and 264 are fastened by fastening means 270 such as a pin or bolt, The member 250 and the front member 260 are coupled.

The thus configured stoker type incinerator has a support rod extending in a direction orthogonal to a conveying direction of the waste in the combustion chamber. In addition, a plurality of grate modules 100 are arranged in a state in which a plurality of grate modules 100 are arranged along the extension direction of the support rods.

In addition, another set of grate modules 100 on one set of fixed grate modules 100 are activated in a state of being rubbed with a linear reciprocating motion, so that the wastes provided on the grate module 100 are stirred, Direction.

That is, the incineration waste is incinerated through the stepped grate module 100 driven as described above while moving from the upper part to the lower part of the combustion chamber.

In the conventional process, the incineration residues on the side wall are melted and flowed while flowing along the grate module 100, thereby flowing and penetrating between the grate module 100 and the side wall 200, The movement of the waste incinerator 100 is disturbed and the movement of the incineration waste is hindered.

The predetermined cooling air is supplied to the spaces S1 and S2 between the rear member 250 and the front member through the air supply unit 240 and the injection pipe 230 to cool the front member 260 .

When the front member 260 is cooled as described above, even if a part of the molten incineration flows down along the side wall 200 during the incineration of the incineration wastes through the grate module 100, Thereby preventing the molten incineration from flowing and penetrating between the grate module 100 and the sidewall 200. On the other hand, the incineration solidified in the solid state can be separated from the side wall 200 due to its own weight.

Accordingly, the main components of the incinerator, such as the grate module 100, can prevent malfunctions and smoothly move the incinerated waste, thereby improving the incineration efficiency.

In this embodiment, the air supplied to the spaces S1 and S2 between the rear member 250 and the front member 260 can be controlled to be continuously supplied during the operation of the incinerator, and in some cases, It may be controlled to be supplied only when the temperature exceeds a predetermined temperature.

The side wall 200 may be formed by laminating refractory bricks 500 on one side or both sides of the steel plate 210. The side wall 200 may be formed at a position adjacent to the grate module 100, And the refractory bricks 500 may be stacked on the upper and lower portions of the rear member 250 and the front member 260. [

Also, the grate module 100 may be arranged in a stepped manner, and the lower part thereof may be supported by the refractory brick 500.

Hereinafter, a process of installing the steel plate 210, the injection pipe 220, the back member 250, the front member 260, and the like on the side wall of the incineration apparatus will be described.

First, the refractory bricks are removed from the upper part adjacent to the grate module 100 to make the space part 201. [

Then, the positions of the first inlet 211 and the first fastener 212 are marked on the steel plate 210 exposed to the space.

Thereafter, one end of the fastening bolt 220 is inserted into the first fastening hole 212 and fixed by welding, and the first injection hole 211 is connected to the injection pipe 230 ).

One end of the injection pipe 230 exposed to the outside of the steel plate 210 is connected to the air supply unit 240 and the other side of the fastening bolt 220 and the injection pipe 230 is connected to the second fastener 252, And the nut member 222 is fastened to both sides of the fastening bolt 220 which has passed through the second fastening member 252 Thereby fixing the backing member 250 to the steel plate 210.

Thereafter, the front member 260 is disposed in front of the back member 250, and then the front member 260 and the back member 250 are fastened to each other with the fastening means 270.

Through this process, the side wall 200 of the conventional incineration apparatus can be replaced.

According to an embodiment of the present invention, protrusions 280 may be formed on the front surface of the front member 260 to form concave and convex portions on the outer surface of the front member 260.

When the protrusions 280 are formed on the front member 260 as described above, molten ash or the like flowing down along the front member 260 may be caught by the protrusions 280 so that the molten ash does not flow down to the grate module 100 . Further, the molten ash can be solidified around the protrusion 280, and solidification can proceed in a large lump. The ash soaked in a large lump can be separated from the front member 260 due to its own weight and can not penetrate between the grate module 100 and the side wall 200 even if it is detached.

For example, the protrusion 280 may be formed of a bolt, and the front member 260 may have a plurality of through holes 261 through which the threaded portion of the bolt is fastened.

As described above, when the protrusion 280 is formed to be detachable from the front member 260, maintenance and management of the protrusion 280 and the front member 260 can be facilitated.

When the through hole 261 is provided in the front member 260, the external air supplied through the injection pipe 230 may be supplied to the combustion chamber through the through hole 261.

In the present embodiment, a refractory member 400 made of a heat-resistant castable material may be formed on at least one of the upper surface or the lower surface of the rear member 250 and the front member 260.

The castable is one of the indefinite refractories and means that the refractory powder is added with a hydraulic refractory as a binder.

The upper or lower ends of the rear member 250 and the front member 260 may be protected from heat or friction by the construction of the refractory member 400. [

According to the stoker-type incinerator of the present invention, the ash materials melted and flowed from the existing side walls are solidified in the front member 260 and then separated from the front member 260 in a solid state by their own weight, The molten ash can be prevented from flowing and penetrating between the grate module 100 and the side wall 200 and the molten ash can be prevented from flowing and penetrating between the grate module 100 and the side wall 200, So that movement of the grate module 100 can be maintained and clinker generation is prevented, thereby protecting the side wall 200.

In accordance with another embodiment of the present invention, the sidewall 200 contacting the grate module 100 may be arranged in a stepped manner with a refractory brick alternate liner.

The replacement liner may include a fixing member (not shown) fixed to the side wall 200 and a slip plate (not shown) detachably coupled to the fixing member.

In addition, the fixing member may include a detachable coupling means for detachably coupling the slip plate, wherein the inner side wall and the upper and lower side walls are formed in a U-channel shape, and the slip plate has, at both sides of the inner side surface of the slip wall, Upper and lower side walls sandwiched between the upper and lower side walls of the fixing member may be formed to protrude.

Each of the slip plates may be formed to have a length corresponding to a moving stroke in which the grate unit body moves back and forth so that the grate unit body reciprocates in a region between a forward position and a backward position.

FIG. 6 is a sectional view of a stocker type incineration apparatus according to another embodiment of the present invention, FIG. 7 is an exploded perspective view of a steel plate and a back member, which are components of a stocker type incinerator according to another embodiment of the present invention, 9 is a partial perspective view of a stoker-type incinerator according to another embodiment of the present invention, and FIG. 9 is a perspective view illustrating a part of components of a stoker-type incinerator according to another embodiment of the present invention. 10 is a perspective view of a stocker type incineration apparatus according to another embodiment of the present invention.

6 to 10, the stocker type incinerator according to another embodiment of the present invention includes first, second, and third supply ports 213, 253, and 263, respectively, to the steel plate 210, the rear member 250, One end of the steel plate 210 is exposed to the outside through the first supply port 213 of the steel plate 210 and the other end is exposed to the rear surface of the rear member 250 and the second and third supply ports And a powder supply unit 320 for supplying refractory particles to one side of the supply pipe 310 exposed to the outside of the steel plate 210.

6 to 10, the refractory particles supplied from the powder supply part 320 and transferred through the supply pipe 310 are injected into the grate module 100 through the nozzle 311 formed to face downward .

As described above, when the refractory particles are injected toward the grate module 100, the molten ash is coagulated by the cooling air supplied to the front member 260, and the molten ash is contacted with the refractory particles, Lt; / RTI >

In addition, the molten ash is contacted with the refractory particles and solidified as a larger mass.

Accordingly, the solidification of the molten ash is progressed rapidly, so that the molten ash does not penetrate between the grate module 100 and the side wall 200, and the solidified ash is also formed into a large lump, so that the narrow grate module 100 So that it can not penetrate through the side walls 200.

According to another embodiment of the present invention, a vibration source (not shown) for vibrating a vibration bracket (not shown) and the vibration bracket (not shown) is installed between the side wall 200 and the grate module 100 .

Vibrations may be applied between the sidewall 200 and the grate module 100 due to the structure of the vibrating part and the vibration bracket and the refractory particles may be more uniformly spread by the applied vibration, 100) of the ash can be more easily removed.

The embodiments and the accompanying drawings described in the present specification are merely illustrative of some of the technical ideas included in the present invention. Therefore, it is to be understood that the embodiments disclosed herein are not for purposes of limiting the technical idea of the present invention, but rather are not intended to limit the scope of the technical idea of the present invention.

It will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents. It should be interpreted.

100: Grate module 200: Side wall
201: space part 210: steel plate
211: first inlet 212: first fastener
213: first supply port 220: fastening bolt
221: threads 222: nut member
230: inlet tube 240: air supply
250: back face member S1: accommodation space
251: second inlet 252: second fastener
253: second supply port 260: front member
261: through hole 263: third supply port
270: fastening means 280:
310: supply pipe 311: nozzle
320: Powder supply part 400: Refractory member
500: Refractory brick

Claims (4)

An incinerator comprising: a grate module formed in a stepped shape; and side walls mounted on both sides of the grate module,
Wherein the side wall has at least one first injection port and a plurality of first fasteners, a fastening bolt having one side fixed to the first fastening hole of the steel plate and the other side formed with a thread, An air supply part for supplying air to one side of the injection pipe exposed to the outside of the steel plate and a receiving space formed concavely from the front to the rear side are formed through the hollow injection pipe exposed to the outside through the injection port, A rear member having a second inlet and a plurality of second fasteners through which the injection tube passes, a front member connected to an open front face of the rear member, And a plurality of fastening means for connecting the member and the front member,
First, second, and third supply ports are formed in the steel plate, the rear surface member, and the front surface member, respectively,
A supply pipe through which one end of the steel pipe passes through the first supply port and is exposed to the outside and the other end through the second and third supply ports of the back surface member and the front member, Further comprising a powder supply unit for supplying particles. The method according to claim 1,
Wherein a protruding portion is formed on a front surface of the front member to form a concavo-convex shape on an outer surface of the front member. delete The method according to claim 1,
Wherein a refractory member made of a heat-insulating castable material is formed on at least one of upper and lower surfaces of the rear surface member and the front surface member.

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