KR101165560B1 - Waste incineration equipment - Google Patents

Abstract

PURPOSE: A waste incineration device is provided to completely burn a small amount of wastes remaining in the exhaust gas because the exhaust gas is forcibly supplied to an incineration chamber through a compulsion suction blowing pipe and re-burned. CONSTITUTION: A waste incineration device(100) comprises an incinerator(110), a supplying unit, an outer drying unit(130), an inner drying unit, a boiler(150), an exhaust gas re-incineration unit, an exhaust unit, and a cinder treatment unit. A grate(113) of the incinerator is installed in a incineration chamber(114). The supplying unit supplies all kinds of wastes to the incinerator and separates and supplies waste water. The outer drying unit dries the waste by heat exchanging the waste in an outer periphery of the incinerator and puts the waste into the incinerator. The inner drying unit guides the dried waste in the inner upper side of the incinerator and successively dries. The boiler is closely adhered to the outer periphery of the incinerator, thereby heating the waste water. The exhaust gas re-incineration unit discharges the exhaust gas of the incinerator. The cinder treatment unit discharges cinder generated in the incinerator.

Description

Waste incineration equipment

The present invention relates to a waste incineration apparatus, and more particularly, to a waste incineration apparatus that enables not only to completely incinerate all wastes discarded using incineration heat, but also to efficiently use heat generated in an incinerator.

In general, the incineration method, which is one of the waste treatment methods, can reduce the volume and weight of the waste than the landfill method, but since air pollutants are generated, it is difficult to have a thorough pollution prevention facility.

Waste incinerators are pre-treatment equipment that supplies wastes to the incinerator together with incinerators, waste heat boilers that recover the heat of the exhaust gas and cool the exhaust gas, and acid such as hydrogen chloride (HCL) and sulfur oxides (SOx) contained in the exhaust gas. It consists of an exhaust gas treatment facility that removes pollutants such as substances, dust, heavy metal nitrogen oxides (NOx), and dioxins before they are released into the atmosphere.

Various types of incinerators are developed for waste incinerators according to the types of wastes and their treatment capacity.Incinerators are generally surrounded by iron plates, refractory bricks and concrete, etc. It is done separately.

Such waste incinerators were decomposed and crushed while stirring various kinds of wastes supplied in the incinerator, and at the same time, the waste was incinerated while being dried with hot air.
On the other hand, there is a conventional Patent Publication No. 2011-0098585 (name: incineration apparatus of wastewater sludge), but while drying the sludge by stirring the sludge in the upper side of the incinerator, the dried sludge is transferred to the storage tank and the upper again from the bottom of the incinerator It is incinerated by scattering.

However, such incinerators are not only difficult to completely dry in case of wastes containing a lot of water such as food waste, and thus, in the case of wastes with high moisture content, it is impossible to completely incinerate according to the degree of drying, which causes many problems due to unstable combustion. .

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Particularly, in the case of food waste, many sewage is generated due to its characteristics, and it is difficult to efficiently treat such sewage.
Furthermore, since the dried sludge is scattered to the upper side and incinerated, the sludge falls easily and causes incomplete combustion, thereby promoting energy consumption.

Therefore, the main object of the present invention is to provide a waste incineration apparatus that can effectively and completely incinerate all wastes such as food waste, industrial waste, domestic waste, and livestock waste.

Another object of the present invention is to provide a waste incineration apparatus which can efficiently incinerate wastewater generated from waste containing a lot of water to be completely incinerated.

Another object of the present invention is to provide a waste incineration apparatus which can completely incinerate various wastes to suppress the emission of odor and harmful gases caused by unsafe combustion.

Another object of the present invention is to provide a waste incineration apparatus which can efficiently incinerate a large amount of waste to improve waste treatment efficiency.

Another object of the present invention is to provide a waste incineration apparatus that can minimize the waste of energy by using various and efficient incineration heat.

In order to achieve the above object, the waste incineration apparatus of the present invention provides an incinerator having a grate installed in an incineration chamber, a supply unit for supplying various wastes into the incinerator and separating sewage, and separately supplying waste from the supply unit. Heat-exchanged at the outer periphery and dried after injecting into the incinerator, the inner-drying unit which induces the waste dried by the outer-drying unit to the upper side of the incinerator to be sequentially dried, and in close contact with the outer periphery of the incinerator A boiler for heating water, an exhaust gas re-incineration unit forcibly blowing back the exhaust gas generated in the incinerator to the incineration chamber, an exhaust unit for discharging the exhaust gas generated in the incinerator to the outside, and the incinerator Including an incineration ash processing unit for discharging incineration ash to the outside The technical configuration the basic features.

Therefore, the waste incineration apparatus of the present invention is dried and incinerated by drying three times through the first spiral moving tube and the second spiral moving tube spirally wound to the outer periphery of the incinerator and then completely dried by the internal drying unit for three times. In addition to maximizing efficiency, the exhaust gas is forced to supply the combusted exhaust gas of the incineration chamber to the incineration chamber to re-incinerate the exhaust gas, so that even a small amount of waste remaining in the exhaust gas can be completely burned and incinerated.

Furthermore, the re-incinerated exhaust gas is condensed and filtered by a purification filter, which effectively removes harmful substances and heats sewage from various wastes in the heat exchanger, and then sprays it under the incineration chamber of the incinerator to completely evaporate it. To completely remove the sewage without equipment.

Due to this, the present invention allows continuous drying of all wastes such as food waste, industrial waste, household waste, and livestock waste, which can be completely incinerated, and has high energy efficiency due to improvement of drying efficiency and odor and non-combustion. Not only can it significantly reduce air pollution, it also has the effect of effectively treating a large amount of various wastes without using a separate facility by using waste heat generated in an incinerator.

1 is a front view showing a waste incineration apparatus according to the present invention
Figure 2 is a front view showing a part of the waste incineration apparatus according to the present invention
Figure 3 is a front view showing a spiral drying unit of the waste incineration apparatus according to the present invention
4 is a cross-sectional view showing an incinerator of a waste incinerator according to the present invention.
Figure 5 is a perspective view showing the internal drying unit of the waste incineration apparatus according to the present invention

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

1 to 5, the waste incineration apparatus 100 of the present invention supplies an incinerator 110 having a grate 113 installed in an incineration chamber 114, and supplies various wastes into the incinerator 110. However, the supply unit 120 for separating and supplying sewage and the waste supplied from the supply unit 120 are heat-exchanged at the outer periphery of the incinerator 110, followed by an external drying unit 130 for injecting the incinerator 110 into the interior. And, by inducing the waste dried in the external drying unit 130 to the upper side of the incinerator 110, the internal drying unit 140 and sequentially dried, the water in contact with the outer periphery of the incinerator 110 is heated The boiler 150, the exhaust gas re-incineration unit 160 for forcibly blowing back the exhaust gas generated in the incinerator 110 to the incineration chamber, and exhaust gas generated in the incinerator 110 to the outside To the exhaust 170, and the incinerator 110 The ash that occurs in forms, including ash processing unit 180 for discharging to the outside.

The incinerator 110 is to install the grate 113 in the lower side of the incineration chamber 114 to incinerate various wastes, but the outer periphery and the like formed of the fire wall 112 and the outer wall 111 and the fire wall A space is formed between the 112 and the outer wall 111.

In addition, the blower tube 116 is positioned below the grate 113 of the incineration chamber 114 to smoothly supply gas or oxygen.

Furthermore, the inlet 115 is formed at the lower side of the grate 113 of the incineration chamber 114 to easily discharge the incinerated ash incinerated to the outside.

The supply unit 120 is provided with a collection chamber 121 and a crush chamber 122 and the supply chamber 123 to collect the waste to sequentially cut and crush the waste, the supply conveyor 124 to the supply chamber 123 Install and cut to guide the waste to the shredded incinerator 110.

Here, the upper end of the supply conveyor 124 is located in the space between the outer wall 111 and the fireproof wall 112 of the incinerator 110.

Meanwhile, the sewage drainage pipe 125 is connected to the collection chamber 121, the shredding chamber 122, and the supply chamber 123, respectively, and the wastewater drainage pipe 125 is connected to the exhaust duct 171 of the exhaust unit 170. The heat exchanger 127 is formed to pass through so that the wastewater can be heated by the exhaust heat.

Further, the injection nozzle 128 is coupled to the discharge end of the sewage discharge pipe 125, but the injection nozzle 128 is positioned below the incineration chamber 114 of the incinerator 110 so as to spray sewage, and thus, the heat exchange part 127. Heated sewage is sprayed in the vicinity of the grate 113, thereby allowing the sewage to be effectively evaporated and completely removed.

Further, the sewage discharge pipe 125 is preferably coupled to the pump 126 to smoothly remove the sewage.

The outer drying unit 130 forms a first spiral moving tube 131 and a second spiral moving tube 133 spirally wound between the outer wall 111 and the fireproof wall 112 of the incinerator 110, and a first The upper inlet of the spiral pipe 131 is connected to the discharge side of the supply conveyor 121 of the supply unit 120.

Therefore, the incoming waste is heat-dried at the outer periphery of the incinerator 110 while gradually moving downward by its own weight along the first spiral pipe 131 formed to be inclined and dried.

Here, the waste discharged from the first spiral pipe 131 is interconnected by connecting the lower outlet of the first spiral pipe 131 and the upper inlet of the second spiral pipe 133 with the primary conveyor 132 to form a second spiral pipe (131). 133).

Therefore, the waste dried in the first spiral pipe 131 is heat-exchanged and dried again as in the first spiral pipe 131 while moving the second spiral pipe 133.

In addition, the waste discharged from the first spiral pipe 131 and the second spiral pipe 133 by interconnecting the lower outlet of the second spiral pipe 133 and the inner upper side of the incinerator 110 with the secondary conveyor 134. To be injected into the incinerator 110.

In addition, at the inner circumference of the first spiral moving tube 131 and the second spiral moving tube 133, a plurality of guide pieces 135 are formed to be inclined downward so that the incoming waste is sequentially caught on the guide pieces 135 and gradually moves downward. Heat to sufficiently heat to increase the drying efficiency.

Meanwhile, the supply conveyor 124 and the primary and secondary conveyors 132 and 134 may selectively use various conveyors as necessary.

The internal drying unit 140 sequentially forms the drying plate 141 downward on the inner circumference of the incinerator 110, and crosses the drying plate 141 by installing them on the left and right sides.

Here, the drying plate 141 keeps the lower portion of the incinerator 110 at the inner center while maintaining a predetermined interval, so that the waste introduced from the secondary conveyor 134 is right along the inclined surface of the drying plate 141. Completely dried while passing through the drying plate 141 on the left and the left, and finally completely dried waste is moved to the lower portion of the incineration chamber 114 to be incinerated by the grate 113.

In addition, it is preferable to form a through hole 142 in the drying plate 141 so that the exhaust gas can be smoothly discharged.

The boiler 150 is formed by bringing the heat exchanger 151 into close contact with the outer periphery of the fire wall 112 of the incinerator 110, but supplies the steam discharge pipe 153 and water to the upper and lower sides of the heat exchanger 151. A pipe 152 is formed and the medium discharge pipe 153 and the inlet pipe 152 are formed by connecting to the power generation turbine 154.

Here, the power generation turbine 154 is not limited to the power generation equipment using steam, but may be applied to various fields such as hot water for heating or steam.

The exhaust gas re-incineration unit 160 communicates the incineration chamber 114 of the incinerator 110 with the forced suction blower 161 up and down, and install a blower 162 in the forced suction blower 161, and incinerated exhaust gas. By re-burning, even small amounts of harmful substances and wastes remaining in the exhaust gas can be completely burned and burned.

The exhaust unit 170 is coupled to communicate with the exhaust duct 171 in the center of the upper end of the incinerator 110, coupled to the opening and closing member 172 on the inlet side of the exhaust duct 171, the predetermined amount of the exhaust duct 171 Since the cooling processor 174 is installed at the position and the purification filter 173 is provided at the discharge side of the exhaust duct 171, the exhaust gas is condensed and easily filtered, thereby effectively removing harmful substances in the discharged gas. Do it.

The incineration ash processing unit 180 is installed in the lower portion of the lattice 113 installed in the incineration chamber 114 of the incinerator 110, the feeder 182 to smoothly transport the material sphere 181. ).

Furthermore, a separate discharge chamber 183 is provided outside to allow the incineration material discharged from the material sphere 181 to be easily discharged.

The operation of the present invention will be described as follows.

First, when various wastes are supplied to the collection chamber 121, the waste is cut in the shredding chamber 122 by the usual method and shredded, and the shredded waste is loaded into the supply chamber 123.

Here, the upper part of the first spiral pipe 131 wound around the outer wall 111 of the incinerator 110 and the fire wall 112 of the crushed waste accumulated in the supply chamber 123 by operating the supply conveyor 124. Supply to inlet.

Therefore, the various wastes supplied are heat-transferred while gradually moving downward along the first spiral pipe 131 to be dried first.

Next, the various kinds of wastes primarily dried are supplied to the upper inlets of the second spiral pipe 133 again through the primary conveyor 132, and the secondary wastes can be dried as described above.

Furthermore, the inner periphery of the first spiral moving tube 131 and the second spiral moving tube 133 is formed to be inclined downward in a plurality of guide pieces 135, the waste flowing in gradually caught on the guide piece 135 gradually downwards. Since it moves, this allows the waste to be sufficiently heat exchanged can greatly improve the drying efficiency.

Next, the secondary dried waste is input to the internal drying unit 140 of the incinerator 110 by the secondary conveyor 134.

Therefore, the injected waste is moved downward downward while sequentially passing through the left and right drying plate 141 formed to be inclined downward, and is completely dried in the third.

Here, a part of the waste in the drying and drying unit 140 may be burned and burned due to high heat, and may move downward.

Next, the waste completely dried in three times is lowered and burned completely by the grate 113 to be incinerated.

That is, since the drying plate 141 maintains the lower portion of the drying plate 141 and maintains an overlapping state, the waste introduced from the secondary conveyor 134 is right along the inclined surface of the drying plate 141. Completely dried while passing through the drying plate 141 on the left and the left, and finally completely dried waste is moved to the lower portion of the incineration chamber 114 to be completely incinerated by the grate 113.

In addition, the through-hole 142 is formed in the drying plate 141 to smoothly discharge the exhaust gas.

Furthermore, when the incineration is completed, since the forced intake blower tube 161 forcibly burns the exhaust gas of the incineration chamber 114 to supply the exhaust gas back to the blower 162 to the grate 113 to incinerate the exhaust gas again, Even the small amount of waste remaining in the gas can be burned completely by incineration.

In addition, when the incineration of the exhaust gas is completed, the exhaust gas is discharged to the outside through the exhaust duct 171. At this time, the cooling processor 174 allows the exhaust gas to condense and filter by the purification filter 173, discharged. It is to effectively remove the harmful substances contained in the gas.

Meanwhile, the wastewater of the collection chamber 121, the shredding chamber 122, and the supply chamber 123 is heated in the heat exchanger 127, and then sprayed under the incineration chamber 114 of the incinerator 110 to completely remove the wastewater. To do it.

100: incinerator 110: incinerator
111: outer wall 112: fireproof wall
113: grate 114: incineration chamber
115: outlet 116: blower pipe
120: supply unit 121: collection chamber
122: shredding chamber 123: supply chamber
124: supply conveyor 125: sewage discharge pipe
126: pump 127: heat exchanger
128: injection nozzle 130: external drying unit
131: first spiral transfer pipe 132: primary conveyor
133: second spiral transfer pipe 134: secondary conveyor
135 guide 140: internal drying unit
141: drying plate 142: through hole
150: boiler 151: heat exchanger
152: inlet pipe 153: steam discharge pipe
154 power generation turbine 160 exhaust gas re-incineration unit
161: forced suction blower 162: blower
170: exhaust portion 171: exhaust duct
172: opening and closing member 173: purification filter
174 Cooling Processor 180 Incineration Ash Treatment Unit
181: material sphere 182: conveyor
183: discharge chamber

Claims (9)

An incinerator 110 having a grate 113 installed in the incineration chamber 114;
Supply unit 120 to supply various wastes into the incinerator 110, but separate and supply sewage,
An external drying unit 130 which heat-exchanges the waste supplied from the supply unit 120 at the outer periphery of the incinerator 110 and then injects the waste into the incinerator 110;
An internal drying unit 140 which guides the waste dried by the external drying unit 130 to the upper side of the incinerator 110 and sequentially drys it;
A boiler 150 in close contact with the outer circumference of the incinerator 110 to heat water;
An exhaust gas re-incineration unit 160 for forcibly blowing back the exhaust gas generated in the incinerator 110 to the incineration chamber, and
An exhaust unit 170 for discharging the exhaust gas generated in the incinerator 110 to the outside;
Waste incineration apparatus, characterized in that configured to include an incineration ash processing unit 180 for discharging the incineration ash generated in the incinerator 110 to the outside.
The method of claim 1,
The incinerator 110 is provided with a grate 113 in the lower side of the incineration chamber 114 and formed of a fireproof wall 112 and an outer wall 111, and forms a space between the fireproof wall 112 and the outer wall 111. , The waste incineration apparatus, characterized in that the blower tube 116 and the discharge port 115 formed on the lower side of the grate 113 of the incineration chamber (114).
The method of claim 1,
The supply unit 120 includes a collection chamber 121, a crushing chamber 122, and a supply chamber 123, and a supply conveyor 124 is installed in the supply chamber 123 to transfer waste to an upper portion of the incinerator 110. Waste incineration apparatus, characterized in that configured to supply.
The method according to claim 1 or 3,
The sewage discharge pipe 125 is connected to the lower side of the collection chamber 121, the shredding chamber 122, and the supply chamber 123, respectively, but the sewage discharge pipe 125 passes through the exhaust duct 171 of the exhaust unit 170. To form a heat exchanger 127 and couple the pump 126 to the sewage discharge pipe 125, and to couple the injection nozzle 128 to the discharge end of the sewage discharge pipe 125, the discharge end of which is located in the incineration chamber 114. Waste incineration apparatus, characterized in that configured to.
The method of claim 1,
The outer drying unit 130 forms a first spiral moving tube 131 and a second spiral moving tube 133 spirally wound between the outer wall 111 and the fireproof wall 112 of the incinerator 110, and a first The upper inlet of the spiral pipe 131 is connected to the supply conveyor 121 discharge side of the supply unit 120 to communicate with each other, the lower outlet of the first spiral pipe 131 and the upper inlet of the second spiral pipe 133 is 1 It is connected to each other by the car conveyor 132, and the lower outlet of the second spiral pipe 133 and the incineration chamber 114 of the incinerator 110) configured to be connected to each other by the second conveyor 134 to communicate with each other. Waste incinerator.
The method of claim 5, wherein
Waste incineration device, characterized in that formed on the inner periphery of the first spiral pipe 131 and the second spiral pipe 133 is formed by inclining a plurality of guide pieces (135).
The method of claim 1,
The internal drying unit 140 is formed to be inclined downward drying plate 141 sequentially in the inner circumference of the incinerator 110, the drying plate 141 is installed side by side staggered respectively in the inner center of the incinerator 110 Waste incineration device, characterized in that to form a through-hole 142 in the drying plate 141 to maintain the overlap state while maintaining a predetermined interval.
The method of claim 1,
The waste gas reincineration unit 160 communicates the incineration chamber 114 of the incinerator 110 with the forced suction blower 161 up and down, and installs a blower 162 in the forced suction blower 161. Incinerator.
The method of claim 1,
The exhaust unit 170 is coupled to communicate with the exhaust duct 171 in the center of the upper end of the incinerator 110, coupled to the opening and closing member 172 on the inlet side of the exhaust duct 171, the predetermined amount of the exhaust duct 171 A waste incineration device, characterized in that the cooling processor (174) is installed at a position and a purification filter (173) is provided on the discharge side of the exhaust duct (171).

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