CN2583520Y

CN2583520Y - Incinerator with melting function

Info

Publication number: CN2583520Y
Application number: CN 02287376
Authority: CN
Inventors: 李明秋; 黄金水
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-12-10
Filing date: 2002-12-10
Publication date: 2003-10-29
Anticipated expiration: 2012-12-10

Abstract

The utility model relates to an incinerator with the melting function. The incinerator comprises an incinerator casing body, a feed hopper, an incinerator frame, a plurality of reverse flow baffles arranged in the incinerator casing body, a plurality of partition walls arranged between the incinerator casing body and the incinerator frame, a heat accumulating plate arranged below the incinerator frame, and a plurality of air guiding pipes. The incinerator casing body is provided with a bottom wall, a peripheral wall and a top wall, and the peripheral wall is provided with a waste gas exhausting opening arranged below the heat accumulating plate; the feed hopper is fixedly connected to the top wall; the incinerator frame is in a hollow shape and is fixedly arranged on the position clinging to the upper side of the space; each air guiding pipe is provided with an air inlet, and the position of each air inlet is higher than the position of the waste gas exhausting opening; each circulating pipe is arranged on one side of one air guiding pipes and is provided with an air inlet end part connected to one side of the air inlet and an air guiding end part which is arranged oppositely to the air inlet end part in a connecting way. The utility model can ensure complete combustion of combustible substances in the bottom ash.

Description

Incinerator with melting function

[technical field]

The utility model relates to a kind of incinerator, particularly relates to a kind of incinerator with melting function.

[background technology]

The principle that discarded object incinerates is to utilize incinerator the organic substance in the discarded object to be converted to carbon dioxide, steam and the solid-state bottom ash (bottom ash) of gaseous state with combustion system with combustion reaction, waste gas can be disposed in the atmosphere after treatment, bottom ash is then buried or is wrapped up in the concrete agglomeration, waste reduction there is sizable effect, but because combustion reaction is incomplete, the combustible of remaining significant proportion still in the bottom ash.

As shown in Figure 1, existing a kind of incinerator includes the water circle device 3 and one and the fume extractor 4 of dual firing chamber's 2 conductings that dual firing chamber 2, that one first combustion chamber 1, is engaged on this first combustion, 1 top, chamber is arranged on these dual firing chamber 2 tops.This first combustion chamber 1 has one and is arranged on a burner 104 and the bottom ash outlet 105 that portable hopper 102, that outside motor 101, is arranged on motor 101 belows is arranged on the opposite side outside, has more a stirring vane group 103 in first combustion 1 inside, chamber.Discarded object is sent into reach in proper order on this first stirring vane group 103 of firing in chamber 1 with the portable hopper 102 that utilizes motor 101 to drive, and waste gas is then discharged by fume extractor 4 through this dual firing chamber 2.The incinerator of this kind multifuel combustion type, its fuel is exactly discarded object, this burner 104 just provides to ignite when playing stove lights function, combustion position during incineration be flame appear in one's mind the discarded object top layer and above, so the discarded object on top layer obtains burning more completely, ignition temperature also the highest (greatly about 800 ℃～1200 ℃), storehouse is then often being smouldered at the discarded object than lower floor, ignition temperature is not high, so need utilize the stirring of this stirring vane group 103 to stir the completing combustion of just relatively having an opportunity to obtain, so the bottom ash of many incinerators all has the phenomenon of incomplete combustion now.Except reducing efficiency of combustion, after burying, also causes bottom ash the underground water source secondary pollution easily.

Smokeless stove and for example shown in Figure 2 mainly is the repetitive cycling burning by waste gas, the combustible in the combustion gas is fully reacted, but still do not have thoroughly to solve the problem of bottom ash incomplete combustion.

[utility model content]

The purpose of this utility model is to provide a kind of makes the combustible in the bottom ash be subjected to down burning formula flame interaction and produce the incinerator with melting function of completing combustion, it also can make the combustible in the combustion gas fully react, and thoroughly solves the problem of bottom ash incomplete combustion.

In order to achieve the above object, the utility model provides a kind of incinerator with melting function, comprises the wireway that reverse flow baffle, majority that a furnace shell, a feed hopper, a grate, majority be arranged on this furnace shell inside are arranged on heat accumulation plate that partition wall, between this furnace shell and this grate is arranged on this grate below, most and extraneous conducting; It is characterized in that:

This furnace shell has a diapire, from upwardly extending perisporium of this diapire periphery and a pair of roof that should diapire be engaged on this perisporium top, and the three matches and defines a space, and this perisporium has an exhaust vent that is arranged on this heat accumulation plate below;

This feed hopper is fixed on this roof;

This grate is to be Openworks shape, and is installed in this furnace shell than the top position, and this grate has one and is the bottom of opposite setting corresponding to the opening of this feed hopper and with this opening;

This each reverse flow baffle is to be concave arc shape, and extends to this furnace shell one medial surface by the bottom of this grate;

This each partition wall is uprightly to be arranged between this grate and this furnace shell medial surface, and correspondence is located at this reverse flow baffle top, and this each partition wall forms a forward backflow road and a reverse backflow road of communicating with each other between this grate and this perisporium medial surface;

This heat accumulation plate is to bottom that should grate and be arranged on stage casing, space in this this furnace shell;

This each wireway has one and connects and be located on this roof and with respect to the air intake in this forward backflow road, the position of this air intake is higher than this exhaust vent;

This each circulation pipe is arranged on this wireway one side, and this each circulation pipe has one and connects and be located at this air intake one side and be provided with and connect the air guide end that is located between this reverse flow baffle and the exhaust vent on the contrary with this air inlet end with respect to the air inlet end in this forward backflow road.

Described incinerator with melting function is characterized in that: this exhaust vent can connect to a waste gas circulation unit, and this waste gas circulation unit has a flue that is connected with exhaust vent and at least one manifold that is switched to circulation pipe from flue.

In sum, the effect and the advantage that the utlity model has the incinerator of melting function are: it is the flame that produces when discarded object carries out high-temp combustion to downward burning, and utilize this flame to burn away to bottom ash, and can produce the lime-ash that is melting shape and completing combustion, when burying, lime-ash can not pollute the water source yet.In addition, utilize the setting of circulation pipe 80 and first and second manifold 220,230, can make combustion gas, waste gas be recycled to furnace shell 10 inside again and burn, it is minimum that organic combustible in the finally discharged waste gas is reduced to, and meet environmental protection requirement.

[description of drawings]

Below by preferred embodiment and accompanying drawing the incinerator with melting function of the present utility model is elaborated, in the accompanying drawing:

Fig. 1 is the flat assembly drawing of existing a kind of incinerator.

Fig. 2 is the combination section of existing another kind of smokeless stove.

Fig. 3 is that the incinerator collocation number processing unit of the utility model one preferred embodiment is to constitute the schematic diagram of a complete treatment system.

Fig. 4 is the forward sight constitutional diagram of the above-mentioned preferred embodiment of the utility model.

Fig. 5 is the cross-sectional schematic of being got along the straight line 5-5 among Fig. 4.

Fig. 6 is the sectional perspective schematic diagram of the above-mentioned preferred embodiment of the utility model.

Fig. 7 is the interior Temperature Distribution schematic diagram of the stove of the above-mentioned preferred embodiment of the utility model.

[specific embodiment]

As Fig. 4, shown in Figure 5, a preferred embodiment that the utlity model has the incinerator 100 of melting function is the waste combustion that contains organic combustible can be become bottom ash, and can be the more remaining bottom ash burning that combustible arranged be the lime-ash of melting shape, and the waste gas circulation that combustion process produces is burnt again.This incinerator 100 comprises a furnace shell 10, one can import discarded object the feed hopper 20 of furnace shell 10 inside, one is installed in these furnace shell 10 inside than the top position and can accept the Openworks shape grate 30 of discarded object, number extends to furnace shell 10 1 medial surfaces by grate 30 bottoms and is the reverse flow baffle 40 of concave arc shape, number is arranged between grate 30 and furnace shell 10 medial surfaces and the corresponding partition wall 50 that is located at these reverse flow baffle 40 tops, a pair of should grate 30 1 bottoms 32 and be arranged on these furnace shell 10 stage casings and can accept the heat accumulation plate 60 of the bottom ash that drops from grate 30 bottoms 32, number can be introduced primary air the wireway 70 of furnace shell 10 inside, the circulation pipe 80 that number is arranged on wireway 70 1 sides and the combustion gas circulation of furnace shell 10 inside can be carried.Cooperate and consult Fig. 3, be provided with a waste gas circulation unit that waste gas circulation can be burnt again 200, the whirlwind collecting unit of dust 300 of a tool afterburner function, a Wen in the downstream of this incinerator 100 in regular turn and wash unit 400, a wet electrostatic collecting unit of dust 500, an active carbon adsorption groove unit 600, and lure an air inducing car 700 and a chimney 800, to constitute a complete treatment system.

This furnace shell 10 has a diapire 11, and is engaged on this perisporium 12 tops and can be for the affixed roof 13 of feed hopper 20 from the upwardly extending perisporium 12 of these diapire 11 peripheries and a corresponding diapire 11, and the three matches and defines a space 14.Medial surface at this diapire 11, perisporium 12, roof 13 all is equipped with one deck fire clay (figure does not show).But this perisporium 12 has an exhaust vent 121 that is arranged on heat accumulation plate 60 belows and combustion gas.

This feed hopper 20 has a bottom 21 and that is fixed on the roof 13 and is opposite setting and can be for toppling over the top ends 22 of discarded object with this bottom 21.

This grate 30 is to be formed so that interval mode is affixed by most metal round rod, have the opening 31 of a corresponding feed hopper 20 bottoms 21, in contrast to the bottom 32 of this opening 31 and one extend to the side face 33 of bottom 32 by opening 31, be set as the Openworks shape that the air feed conductance is gone into but on bottom 32 and side face 33, all interlock with metal round rod.

But this reverse flow baffle 40 is air-guidings the flow through side face 33 of grate 30 is to provide waste combustion.

This partition wall 50 is in the space 14 that uprightly is arranged between roof 13 and the reverse flow baffle 40, and can produce a forward backflow road I and a reverse backflow road II who has top, the end all can communicate with each other between grate 30 and perisporium 12 medial surfaces.

This heat accumulation plate 60 has a continuing surface 61 corresponding to grate 30 bottoms 32, and the melting shape lime-ash of being accepted on this heat accumulation plate 60 directly drainage export to furnace shell 10 outsides, or shutdown solidify the back cinder block is being taken out.

These wireways 70 respectively have the air entry 71 and that utilizes a windmill 711 can suck primary air and connect the air intake 72 that is located on this roof 13 and primary air can be sent into forward backflow road I.

Cooperate and to consult Fig. 6, this circulation pipe 80 has one and connects and be located at these air intake 72 1 sides and be provided with and connect the air guide end 82 and that is located on the perisporium 12 of 121 of reverse flow baffle 40 and exhaust vents and be installed in windmill 83 between this air inlet end 81 and the air guide end 82 on the contrary with this air inlet end 81 with respect to the air inlet end 81 of forward backflow road I.

This waste gas circulation unit 200 has a flue 210 and a number that is switched to whirlwind collecting unit of dust 300 by this exhaust vent 121 and is switched to first and second manifold 220,230 of circulation pipe 80 from flue 210 apical margins.These first and second manifolds 220,230 respectively have one and are fixed in that first and second bottom 221,231 and on the flue 210 can be compiled mutually and borrow one to take over 240 first and second top ends 222,232 that are communicated on the circulation pipe 80, borrow this first and second manifold 220,230 waste gas of flue 210 diverse locations of flowing through can be re-booted to circulation pipe 80, and reach the purpose that continues to circulate and burn again.

Fig. 5, shown in Figure 7 for another example, when incinerator activation and waste combustion, because air intake 72 positions of wireway 70 are higher than exhaust vent 121, so can make primary air (shown in the solid line arrow) is by last this forward backflow road I that flows through down, and the guiding that utilizes reverse flow baffle 40 can make primary air that the combustion air of one burning zone III is provided, and the temperature of this burning zone III is about 800 ℃～1200 ℃.And the temperature that is subjected to burning zone III acts on, and the temperature that is positioned at burning zone III top is at 400 ℃～800 ℃ pyrolytic layer IV, and pyrolytic layer IV top is again a temperature at 200 ℃～400 ℃ drying layer V.And because of air intake 72 and exhaust vent 121 are height setting, can make burning zone III produce to downward burning and continue flame to the bottom ash heating of heat accumulation plate 60, the bottom ash of heat accumulation plate 60 is subjected to 1200 ℃～1600 ℃ temperature action and becomes and be the melting shape and the lime-ash completely that burnt.

Simultaneously, utilize the drum that forces of this windmill 83 to send, combustion gas behind the waste combustion (shown in the imaginary line arrow) can be by air guide end 82 towards 81 delivery of air inlet end, and make and still to mix the combustion gas that contains combustible and send back in the space 14, and in forward backflow road I and reverse backflow road II, circulate, and through repeatedly circulation burning again, can reduce the combustible in the combustion gas and become waste gas gradually, and make waste gas (shown in dotted arrow) by outlet port 121 outputs.

When waste gas is sent to this flue 210, can continue to be subjected to the delivery of first and second manifold 220,230, return to again and continue circulation burning again in the circulation pipe 80, make the waste gas of desiring to carry over and over again to reclaim toward the downstream, recycle and burning again, make that the combustible in the waste gas is reduced to minimum.

Conclude above-mentionedly, the utlity model has the incinerator of melting function, have discarded object is incinerated into bottom ash and bottom ash is heated to the function of melting state lime-ash, can reach its intended purposes really.

Claims

1. incinerator with melting function comprises the wireway that reverse flow baffle, majority that a furnace shell, a feed hopper, a grate, majority be arranged on this furnace shell inside are arranged on heat accumulation plate that partition wall, between this furnace shell and this grate is arranged on this grate below, most and extraneous conducting; It is characterized in that:

This feed hopper is fixed on this roof;

2. the incinerator with melting function as claimed in claim 1, it is characterized in that: this exhaust vent connects to a waste gas circulation unit, and this waste gas circulation unit has a flue that is connected with this exhaust vent and at least one manifold that is switched to this circulation pipe from this flue.