CN104791803B - A kind of garbage combustion device and its burning process - Google Patents

Abstract

The invention discloses a kind of garbage combustion device and its burning process, system includes rubbish heap storage, magnetic separation conveying device, crushing device, feed conveying device, gasification burning equipment.Refuse gasification burning process is mainly divided into three sections, is dryer section, pyrolytic gasification section, high temperature incineration section respectively, entire combustion process is carried out according to the sequential segment that drying-pyrolytic gasification-flue gas burns.The present invention can not only make full use of the excess heat of flue gas, and can guarantee that the temperature in incinerator is stablized, and lime-ash burn-off rate is high, and rubbish loss of weight amount is big, and discharge safety is much better than national current standard, meets and exceeds EU criteria.The system can be used for handling dispersion the wide property in villages and towns in rural areas is miscellaneous but the small various rubbish of amount, improve rural area production and living conditions, protect environment.

Description

A kind of garbage combustion device and its burning process

Technical field

The present invention relates to rubbish technical field of heat treatment, more particularly to a kind of small-sized small towns refuse pyrolysis gasification burning system System and its technique.

Background technique

Under the background of new countryside construction, China rural area assumes an entirely new aspect, and the infrastructure in rural area is obviously changed It is kind.However while raising along with peasant's living standard, also there is many uncoordinated places, production, life rubbish Rubbish is arbitrarily stacked, and causes the Around the house of peasant at soot, and the farmland near house is also at refuse depot, the road of walking Even more it is flooded with motley refuse bag.Ministry of Public Health's investigation display, everyone house refuse amoun generated is daily in rural area at present 0.86 kilogram, the annual house refuse amoun in national rural area is close to 300,000,000 tons, and " rubbish encloses village " has been formed, this directly threatens agriculture The production and living land used of the people, threatens the living environment of peasant, threatens the improvement of the public things in village.

Durings garbage collection, transport, processing etc., a large amount of fund is needed, since rural residence disperses, traffic is not Just, especially in some mountain areas, the cost handled rubbish is higher.And China's majority village and town finance is difficult, powerlessly undertakes Huge garbage disposal expense, it is difficult to raise garbage disposal fund.China rural garbage handles faced realistic problem at present There is an urgent need to develop a kind of investment cost and operating cost is low, easy to operate, the technology of garbage disposal and equipment of high-efficiency cleaning.

The garbage burning processing method used both at home and abroad at present has：Fixed bed garbage, the waste incineration of travelling oven grate furnace, A variety of methods such as rotary kiln to melt burning, fluidized bed garbage combustion.Fixed bed is since incineration firing is insufficient, garbage treatment quantity It is small, only there is part use in the small-sized rubbish processing system of villages and towns in rural areas now.Travelling oven grate furnace treating capacity is big, at home and abroad rubbish It is most widely used in rubbish power generation by waste combustion factory.But grate furnace directly burns to rubbish, and excess air coefficient is big, heat loss compared with More, when refuse thermal value is low or refuse thermal value fluctuation is larger, combustion product is carbon containing more, burns insufficient, when refuse thermal value is higher When, a large amount of NOx are also easy to produce, and phenomena such as burning out coking and blocking ventilation hole on fire grate or fire grate occur, it is strong to increase maintenance operation Degree, influences garbage disposal.Rotary kiln is mainly used in industry or the burning of danger wastes, and general scale is smaller, using oil spout Combustion-supporting, residue is discharged in the form of liquid or molten state.Rotary kiln ignition temperature is high, and there are the seal box high temperature deformations of rotatable parts Problem, in addition liquid or molten state residue are to lining wear severity, so that rotary kiln working life is shorter.Fluidized bed garbage combustion Suitable for large scale rubbish processing, rubbish is made in this way into carrying out before furnace burning disposal broken and the series of preprocessing such as sort Forming apparatus cost is higher, and operating cost increases, while fluid unit cost is more expensive, and which also limits its applications.

Gasification is carried out to rubbish and second-time burning is referred to as third generation incineration technology, is more advanced rubbish in the world at present Combustion process method, it is intended to improve efficiency of combustion, reduce secondary pollution.

Therefore, it is low to be dedicated to developing a kind of investment cost and operating cost by those skilled in the art, easy to operate, efficiently Clean technology of garbage disposal and related system, equipment and device.

Summary of the invention

The present invention provides a kind of garbage combustion devices, including gasification burning equipment, and placement to achieve the above object In primary air fan, secondary air fan and exhaust apparatus outside gasification burning equipment.

Gasification burning equipment includes：Dryer section (or first cavity), the heat for burning away the refuse for drying garbage Solution gasification section (or second cavity, combustion a room, incinerator), for the flue gas of generation will to be burned in pyrolytic gasification section into one Walk the high temperature incineration section (or dual firing chamber) burned.

Dryer section includes feed inlet, dry channel, flue gas chuck, and feed inlet, which is externally opened wide, enters gasification burning as rubbish The entrance of equipment, rubbish are heated in heating channel, and flue gas chuck is set in the periphery in heating channel, dryer section and pyrolysis gas Change section connection.

Further, the communication port of dryer section and pyrolytic gasification section is at the top of pyrolytic gasification section or top.

Further, dry channel is obliquely installed, and the communication port of dryer section and pyrolytic gasification section is lower than feed inlet, and rubbish can Pyrolytic gasification section is fallen by self weight.

Further, dry channel is columnar drying cylinder.

Further, drying cylinder can be rotated along the tangential rotation of its cylinder by axis of columnar central axis.

Further, it is provided with shovelling plate in drying cylinder, when drying cylinder is rotated along different directions, shovelling plate is respectively cooperating with realization 2 kinds of functions below：

(1) driving rubbish falls into pyrolytic gasification section；

(2) rubbish is prevented to fall into pyrolytic gasification section.

Similar to the internal structure of the agitator of concrete mixer.

Further, gasification burning equipment further includes dry gas outlet pipe, the both ends of dry gas outlet pipe respectively with drying Section, primary air fan connection, so as to which the gas in dryer section is passed through dry gas outlet pipe, by primary air fan through primary air piping It is sent into pyrolytic gasification section.

Further, dry gas outlet pipe includes upper dry gas outlet pipe, lower dry gas outlet pipe, dries gas general pipeline, on One end of dry gas outlet pipe and the upper end of dryer section connect, i.e., close to feed inlet；One end of lower dry gas outlet pipe and drying The lower end connection of section, the i.e. communication port close to dryer section and pyrolytic gasification section, the other end of upper dry gas outlet pipe and lower drying The other end connection of gas fairlead is connected to one end of dry gas general pipeline again after converging, i.e., the structure of one threeway, and dry gas is total The other end of pipe is connect with primary air fan.

Pyrolytic gasification section includes primary air piping, and primary air piping is connected to inside and outside pyrolytic gasification section, primary air fan and primary air piping Connection, so as to provide air into pyrolytic gasification section through primary air piping by primary air fan.

Further, primary air piping is partly or entirely embedded in the side wall of pyrolytic gasification section, while guaranteeing pyrolytic gasification The air outlet of the interior once air hose of section.

Further, primary air piping includes multiple air inlet holes, and the air inlet hole is exposed in the pyrolytic gasification section, i.e. portion It is in charge of section to be exposed in pyrolytic gasification section, and is provided with outlet air of the air inlet hole as primary air piping in pyrolytic gasification section thereon Mouthful.

Further, pyrolytic gasification section uses vertical and cylindrical structure.

Further, primary air piping horizontal setting annular in shape.

Further, pyrolytic gasification section includes fire grate, and fire grate is for carrying the rubbish for entering pyrolysis gas section by dryer section.

Further, fire grate is not higher than whole air inlet holes.Which ensures that in dumping region once air hose Air inlet hole.

Further, fire grate includes fire grate segment, rotatable rotation axis, and fire grate segment, which is evenly spaced on, is fixed on rotation axis Top drives the lime-ash generated after waste incineration to fall into the lower section of fire grate segment when fire grate segment is rotated with rotation axis.

Further, pyrolytic gasification section includes partition, slag chamber, and partition is set to below fire grate segment, fire grate segment and partition Between define slag chamber.

Further, pyrolytic gasification section includes clean-out door, and partition is obliquely installed, and inclined low level is arranged in the clean-out door Side can make the lime-ash fallen close to clean-out door, in this way convenient for cleaning.

Further, gasification burning equipment further includes flue gas fairlead, and pyrolytic gasification section and high temperature incineration section pass through flue gas Fairlead connection.

Further, one end of flue gas fairlead is in pyrolytic gasification section, and Open Side Down for nozzle；The other end is fixedly mounted on In the communication port of pyrolytic gasification section and high temperature incineration section, nozzle is open towards in burning chamber.

Further, flue gas fairlead is not less than whole air inlet holes.

Further, flue gas fairlead is mounted on above fire grate.

Further, flue gas fairlead is L-shaped, the pipe being mounted in the communication port of pyrolytic gasification section and high temperature incineration section Section horizontal setting.

High temperature incineration section includes secondary air channel, burning chamber, and burning chamber is high temperature incineration section main body, above-mentioned pyrolytic gasification The connection of section and high temperature incineration section, really with the connection of burning chamber, flue gas fairlead is also fixedly mounted at pyrolytic gasification Section in the communication port of burning chamber；Secondary air channel is connected to inside and outside high temperature incineration section, and secondary air fan is connect with secondary air channel, thus Air can be provided into high temperature incineration section through secondary air channel by secondary air fan, particularly provide air to burning chamber；It burns It burns chamber to be also connected to flue gas chuck, flue gas chuck is connect with exhaust apparatus, by the high-temperature flue gas of flue gas chuck to dryer section Interior rubbish is heated, and gasification burning equipment is discharged in the flue gas in high temperature incineration section by exhaust apparatus.

Further, burning chamber includes multiple sub-chamber, and number consecutively is denoted as the 1st sub-chamber, the 2nd sub-chamber ... K sub-chamber, K are the sums of sub-chamber；1st sub-chamber is connected to the 2nd sub-chamber, the 2nd sub-chamber is connected to the 3rd sub-chamber ... K-1 sub-chamber and k-th sub chamber；1st sub-chamber is connected to pyrolytic gasification section, and k-th sub chamber is connected to flue gas chuck.

In the preferred embodiment, a cube knot is collectively constituted using the sub-chamber of 6 cube structures The burning chamber of structure.

Further, secondary air channel is embedded in the side wall of sub-chamber or limits to be formed by the side wall of sub-chamber and (is equivalent to In side wall open interior)；Secondary air channel includes Secondary Air air inlet, and the company between at least one sub-chamber is arranged in Secondary Air air inlet In port, position is on the sub-chamber's side wall for limiting communication port.

Further, burning chamber includes burner, and burner includes spray air holes, and burner, which is mounted on, is provided with Secondary Air air inlet Sub-chamber between communication port in, define secondary air chamber between Secondary Air air inlet and burner, spray air holes connection secondary air chamber and Burning chamber, i.e. Secondary Air air inlet, secondary air chamber, spray air holes form the access that an air enters burning chamber.

Further, the installation direction of burner is identical, i.e., the opening direction phase of communication port between the sub-chamber where each burner Together.

Further, the mounting height of burner is identical, is limited by the sidewall locations of sub-chamber.

Further, burner includes vertical columnar structured, and spray air holes is arranged on columnar structured side wall, sprays air holes Opening direction the columnar structured side Inner it is tangential on, i.e., cylinder defined by columnar structured medial surface it is tangential On.

Further, high temperature incineration section further includes that just expansion chamber, first expansion chamber burn sub-chamber at least one and be connected to.

In the preferred embodiment, first expansion chamber is connected to the 1st sub-chamber.

Further, first expansion chamber is arranged below the burning chamber.

In the preferred embodiment, first expansion chamber is connected to the 1st sub-chamber, and is disposed thereunder.

Further, gasification burning equipment further includes 1 grade of expansion chamber, and 1 grade of expansion chamber is pressed from both sides with pyrolytic gasification section, flue gas respectively Set connection, pyrolytic gasification section is not connected to directly with flue gas chuck at this time, 1 grade of expansion chamber of midfeather.

Further, for the burning chamber including K sub-chamber, 1 grade of expansion chamber is pressed from both sides with k-th sub chamber, flue gas respectively Set connection, k-th sub chamber is not connected to directly with flue gas chuck at this time, 1 grade of expansion chamber of midfeather.

Further, gasification burning equipment further includes heat-exchange device, and heat-exchange device is filled with flue gas chuck, exhaust respectively Connection is set, at this time flue gas chuck and exhaust apparatus are not directly connected, midfeather heat-exchange device.

Further, gasification burning equipment further includes 2 grades of expansion chambers, when being unworthy of heating switch, 2 grades of expansion chambers with Flue gas chuck, which is connected to, simultaneously connect with exhaust apparatus, and flue gas chuck and exhaust apparatus are not directly connected at this time, and midfeather 2 grades are sunk Room drops；When preparing heat-exchange device simultaneously, heat-exchange device is connect with flue gas chuck, 2 grades of expansion chambers respectively, 2 grades of expansion chambers It is connect with exhaust apparatus, at this time 2 grades of expansion chambers are not connected to directly with flue gas chuck, midfeather heat-exchange device.

Further, if you need to carry out 2 heat exchanges, then heat-exchange device include 4 interfaces, be respectively interface 1, interface 2, Interface 3, interface 4, having between interface 1 and interface 2 has access between access, interface 3 and interface 4, and 1,2 grade of flue gas chuck connecting interface heavy Drop room is separately connected interface 2 and interface 3, exhaust apparatus connecting interface 4.

Further, 2 grades of expansion chambers include multiple sedimentation sub-chamber, and number consecutively is denoted as the 1st sedimentation sub-chamber, the 2nd heavy It drops sub-chamber ... M and settles sub-chamber, M is the sum for settling sub-chamber；1st sedimentation sub-chamber connects with the 2nd sedimentation sub-chamber Logical, the 2nd sedimentation sub-chamber is connected to the 3rd sedimentation sub-chamber ..., and M-1 sedimentation sub-chamber is connected to M sedimentation sub-chamber, and M is Settle the sum of sub-chamber；Heat-exchange device is connect with flue gas chuck, the 1st sedimentation sub-chamber respectively, and M settles sub-chamber and row Device of air connection.

In the preferred embodiment, 3 sedimentation sub-chamber are used.

Further, for multiple sedimentation sub-chamber, if you need to carry out 2 heat exchanges, then heat-exchange device connects including 4 Mouthful, it is interface 1, interface 2, interface 3, interface 4 respectively, having between access, interface 3 and interface 4 between interface 1 and interface 2 has access, cigarette Gas collet connecting interface the 1, the 1st settles sub-chamber's connecting interface 2, M settles sub-chamber's connecting interface 3, and exhaust apparatus connects Mouth 4.

Further, above-mentioned heat-exchange device is boiler, and high-temperature flue gas is by carrying out heating realization to the water in boiler Cooling, and store thermal energy.

Further, exhaust apparatus is air-introduced machine and chimney.Air-introduced machine extracts the tail gas of gasification burning equipment out, then through cigarette Chimney drains into atmosphere.

Garbage combustion device further includes feed conveying device, and feed conveying device includes garbage inlet end and garbage outlet End, garbage outlet end connect feed inlet.

Further, feed conveying device is electric trowelling formula conveyer belt.

Further, garbage combustion device further includes crushing device, and crushing device is by refuse breaking piecemeal, broken rubbish Rubbish is sent into garbage inlet end.

Further, crushing device is low velocity shear formula solid waste garbage pulverator.

Further, the maximum width of rubbish after crushing is less than 300mm.

Further, garbage combustion device further includes magnetic separation conveying device, for the iron compound in separating of garbage；Magnetic separation Conveying device includes conveying inlet end and conveying outlet end, is put into rubbish from conveying inlet end, by conveying outlet end by rubbish It is sent into crushing device.

Further, magnetic separation conveying device includes electric belt conveyer, magnet, and magnet arrangement is in electric belt conveyer Top or/and side.

Further, garbage combustion device further includes rubbish heap storage, stores rubbish in heap storage.

Further, rubbish heap storage includes air intake duct, and air intake duct is connect with secondary air fan.

Further, primary air fan and secondary air fan are air blowers.

Using the burning process of above-mentioned garbage combustion device, include the following steps：

Step 1, by rubbish heap storage or rubbish to be treated be sent into magnetic separation conveying device isolate iron compound；

Rubbish continuously or is in batches sent into crushing device progress fragmentation by step 2；

Rubbish after step 3, fragmentation is sent into the dryer section of gasification burning equipment by feed conveying device；

Step 4, rubbish are dried in dryer section, and fall into pyrolytic gasification section, the volatile matter warp generated in drying course Dry gas outlet pipe is sent into pyrolytic gasification section by primary air fan；It can reach and allow by the rotation of pyrolytic gasification section different directions Rubbish acceleration falls into pyrolytic gasification section or maintains in dryer section to lengthen drying time；

Step 5, the rubbish for falling into pyrolytic gasification section are carried on fire grate and burn, and provide air-breathing by primary air fan, Air enters pyrolytic gasification section by primary air piping, and by the air outlet of primary air piping (air pushing hole)；

The flue gas generated after step 6, waste incineration enters the burning chamber of high temperature incineration section through flue gas fairlead；

Each sub-chamber that step 7, flue gas successively pass through burning chamber is burned, and provides air-breathing by secondary air fan, Air pass sequentially through secondary air channel, Secondary Air air inlet, secondary air chamber, burner spray air holes enter burning chamber, should during First expansion chamber has collected the dust in part of smoke；

Step 8, flue gas leave burning chamber into 1 grade of expansion chamber dedusting；

Step 9, flue gas leave 1 grade of expansion chamber and enter flue gas chuck, are realized by the temperature of flue gas to rubbish in dryer section Drying；

Step 10, flue gas achieve the purpose that cooling and storage energy subsequently into heat-exchange device；

Step 11, flue gas are subsequently into 2 grades of expansion chambers, successively after each sedimentation sub-chamber dedusting of 2 grades of expansion chambers, then It is secondary to enter heat-exchange device, cooling and energy storage again；

Gasification burning equipment is discharged by exhaust apparatus in step 12, flue gas.

Further, in step 1, magnetic separation conveying device includes electric belt conveyer, magnet, and magnet arrangement is in electrical rawhide Above belt conveyor or/and side.

Further, in step 2, crushing device is low velocity shear formula solid waste garbage pulverator.

Further, the maximum width of rubbish after crushing is less than 300mm.

Further, in step 3, feed conveying device is electric trowelling formula conveyer belt.

Further, in step 5, what is carried out in pyrolytic gasification section at this time is pyrolytic gasification and the burning of anaerobic condition, work Make temperature less than 800 DEG C.

Further, fire grate includes fire grate segment, rotatable rotation axis, and fire grate segment, which is evenly spaced on, is fixed on rotation axis Top drives the lime-ash generated after waste incineration to fall into the lower section of fire grate segment in step 5, when fire grate segment is rotated with rotation axis.

Further, pyrolytic gasification section includes partition, slag chamber, clean-out door, and partition is set to below fire grate segment, fire grate segment Slag chamber is defined with partition room, and openable clean-out door cleans lime-ash after burning.

Further, in step 7, flue gas carries out oxygen-excess combustion, the operating temperature of burning chamber in incineration chambers at this time Range is 900-1100 DEG C.

Further, in step 10 and 11, heat-exchange device is boiler, and flue gas heats water as the heat source of boiler.

Further, in step 12, exhaust apparatus is air-introduced machine and chimney.Air-introduced machine takes out the tail gas of gasification burning equipment Out, then through smoke stack emission enter atmosphere.

Further, primary air fan and secondary air fan are air blowers.

Burning process depends on the actual disposition of each equipment in garbage combustion device, in actual use, can be for practical Situation does the adjustment of corresponding configuration, can also obtain the burning process adaptable with used configuration from above step at this time Step.

Garbage combustion device of the invention is not necessarily to the igniter of auxiliary during the burning process, need to only make before burning process Made with conventional method in combustion state in furnace, such as uses timber, gasoline.

Garbage combustion device of the invention has the advantages that：

1, emission compliance is without secondary pollution, and pyrolyzing, gasifying and incinerating process is the temperature and air capacity in strict control each stage Under conditions of complete, therefore, national standard can be fully achieved in flue gas emission, without secondary pollution.

2, the high residual ash of volume reduction rate is innoxious, after waste incineration, volume reduction rate up to 95% or more, and residual ash be entirely without Harmful, free of contamination substance.

3, have a wide range of application without go-no-go, which need not carry out go-no-go to rubbish, can burn various types of The rubbish of type, is of wide application.

4, the recycling economy of energy is profitable, can sufficiently recycle the thermal energy of rubbish, produces hot water, steam, economic benefit ten Divide significantly, the investment payback time is short.

A kind of pyrolytic gasification section (or the present invention also provides incinerator, as above-mentioned garbage combustion device Two cavitys, a combustion room), including furnace body, fire grate, primary air piping, flue gas fairlead, partition, slag chamber and clean-out door；Fire grate installation In the intracorporal bottom of furnace, fire grate includes fire grate segment, rotatable rotation axis, and fire grate segment, which is evenly spaced on, to be fixed on the rotating shaft Portion；Partition is mounted below fire grate segment, defines slag chamber therebetween；Scarfing cinder is provided on the side wall of the furnace body of slag chamber Door；Primary air piping is connected to inside and outside the furnace body, can be connected external air blower, be blown into furnace；The fixed peace of flue gas fairlead On the side wall of furnace body, and it is located above fire grate.

Further, at the top of furnace body or top is equipped with opening, and the rubbish for needing to burn can be put into from opening.

Pyrolytic gasification section in above-mentioned garbage combustion device is connected to by top opening with dryer section.

Further, furnace body is vertical and cylindrical structure.

Further, primary air piping is embedded in the side wall of the furnace body above fire grate segment, and a part of primary air piping It is exposed in furnace body；Being exposed to includes air pushing hole on the intracorporal primary air piping of furnace.

Further, primary air piping is in the top of fire grate outermost edge, fire grate most edge by fire grate segment extending range It is limited.

Further, primary air piping is in circular ring shape.

Further, primary air piping horizontal setting.

Further, the opening direction of air inlet hole and horizontal plane are at 0 degree or 45 degree.

Further, partition is obliquely installed, and inclined low level is arranged in the clean-out door side.

Further, furnace body is made of refractory material.

Incinerator of the invention has the advantages that：

1, primary air piping is built in inside burner hearth, and tube wall temperature is high, can be preheated into stove air.

2, First air air outlet design can guide flue gas to gather to burner hearth center, in conjunction with the setting side of flue gas fairlead Formula is conducive to the discharge of gasification flue gas, reduces residence time of the gasification flue gas in burner hearth, improves gasification gas calorific value.

3, the rotary fire grate slowly rotated is able to achieve continuous, mechanical deslagging, reduces labor intensity of workers, reduces to burning zone Interference.

4, the flue gas fairlead being suspended in burner hearth can be used as high temperature heat-transfer surface, assist the drying of material, pyrolysis gentle Change.

The present invention also provides a kind of multi-cavity type flue gas incineration chambers, the high temperature incineration section as above-mentioned garbage combustion device The burning chamber of (or dual firing chamber), including：

The sub-chamber of 6 cube structures, be respectively the 1st sub-chamber, the 2nd sub-chamber, the 3rd sub-chamber, the 4th sub-chamber, 5th sub-chamber, the 6th sub-chamber, the rear side of the 1st sub-chamber abut the front side of the 3rd sub-chamber, the 1st sub-chamber and the 3rd sub-chamber Upside abuts the downside of the 2nd sub-chamber, the left side of the 5th sub-chamber is abutted on the right side of the 2nd sub-chamber, the right side of the 3rd sub-chamber abuts The left side of 4th sub-chamber, the rear side of the 6th sub-chamber abut the front side of the 4th sub-chamber, the upside of the 4th sub-chamber and the 6th sub-chamber Against the downside of the 5th sub-chamber, the left side of the 6th sub-chamber abuts the right side of the 1st sub-chamber, and successively aperture connects for 6 sub-chamber It is logical, and the main body of the multi-cavity type flue gas incineration chamber of cube structure is collectively formed, the left side side wall of the 1st sub-chamber includes flue gas The right sidewall of import, the 6th sub-chamber includes exhanst gas outlet；

Secondary air channel, secondary air channel are connected to inside and outside multi-cavity type flue gas incineration chamber, and secondary air channel is embedded in each sub-chamber It being limited in side wall or by side wall and is formed and (be equivalent in side wall open interior), secondary air channel can connect external air blower, thus to Air is provided in multi-cavity type flue gas incineration chamber；Secondary air channel includes Secondary Air air inlet, shares 4 Secondary Air air inlets, point It She Zhi not be in the 1st sub-chamber and the 2nd sub-chamber, the 2nd sub-chamber and the 3rd sub-chamber, the 4th sub-chamber and the 5th sub-chamber, the 5th son In communication port between chamber and the 6th sub-chamber；

Burner shares 4 burners, is separately mounted to be provided in the communication port between the sub-chamber of Secondary Air air inlet, two Defining that secondary air chamber, burner include spray air holes between secondary wind air inlet and burner, spray air holes is connected to secondary air chamber and burning chamber, I.e. Secondary Air air inlet, secondary air chamber, spray air holes form the access that an air enters multi-cavity type flue gas incineration chamber.

Further, the upside side wall of the 2nd sub-chamber and the 5th sub-chamber is the domes of protrusion.

Further, of same size, the 1st sub-chamber, the 3rd sub-chamber, the 4th sub-chamber and the 6th sub-chamber of 6 sub-chamber Length it is identical with height, the 2nd sub-chamber is identical with height with the length of the 5th sub-chamber, and length is remaining 4 sub-chamber Twice of length.

Further, burner includes vertical columnar structured.

Further, spray air holes is arranged on the columnar structured side wall of burner.

Further, it is columnar structured perpendicular to horizontal plane to meet its for the installation of burner.

Further, the mounting height of burner is identical.

Further, spray the opening direction of air holes its columnar structured side Inner it is tangential on.

Further, spray air holes shares 3 rows 10 column and is uniformly distributed on columnar structured side wall.

Further, each sub-chamber is made of refractory material.

Multi-cavity type flue gas incineration chamber of the invention has the advantages that：

1, air is repeatedly supplemented in flow of flue gas and combustion process, elongates flame.

2, air is tangentially into formation vortex strengthens the mixing of flue gas and air, and sufficiently, temperature height is conducive to for burning The after-flame of organic pollutant and carbon residue.

3, repeatedly supplement air combines tangential air inlet mode, can reduce excess air factor, reduces smoke evacuation volume and cigarette Gas velocity, to reduce the fume amount of flue gas carrying.

4, flow of flue gas carries out multiple deflecting by design, plays certain dustproof function, reduces the smoke content in smoke evacuation, together When extend flue gas in the residence time of high-temperature area.

The present invention also provides a kind of flue gas fairleads, the pyrolytic gasification section for being connected in above-mentioned garbage combustion device and High temperature incineration section, including induced duct, blower cover, blower cover are fixedly connected on one end of induced duct；Blower cover include strip-shaped hole and Reinforcing rib, the strip-shaped hole are evenly distributed on the side wall of the blower cover, reinforcing rib be arranged in the adjacent strip-shaped hole it Between.

Further, induced duct is the cylindrical pipe with 90 ° of corners.

Further, blower cover is round mouth diverging duct.

Further, one end of blower cover osculum is connect with induced duct.

Further, the extending direction of strip-shaped hole and the extending direction of blower cover are identical.

Further, side wall of the reinforcing rib perpendicular to the blower cover of its contact.

In above-mentioned garbage combustion device, this one end of the blower cover of flue gas fairlead is in pyrolytic gasification section, and nozzle hangs down It is straight downwards, and the installation site of the nozzle makes the rotation axis of its not instead of face fire grate, is offset slightly from.

Flue gas fairlead of the invention has the advantages that：

1, gasification flue gas by being built in burner hearth, draw, and can reduce moisture content by the smoke pipe being submerged in material, improves flue gas Calorific value reduces the content of tar in flue gas, reduces dust.

2, due to containing flare in flue gas, igniter, energy continued stable combustion are not necessarily in dual firing chamber.

3, the flue gas fairlead of high temperature also can be used as accumulation of heat, heat delivery surface in gasification burning room, can gasify for refuse pyrolysis Heat is provided.

The present invention also provides a kind of built-in drying garbage units, as the dryer section of above-mentioned garbage combustion device, packet Include bracket, front fixing section, feed hopper, feed pipe, drying cylinder, flue gas chuck, rear fixed section, feeder pipe；Drying cylinder inclination installation On bracket；Drying cylinder includes drying cylinder inlet and drying cylinder outlet, and drying cylinder inlet goes out on horizontal position higher than drying cylinder Mouthful, front fixing section and rear fixed section are respectively fixedly connected with drying cylinder inlet and drying cylinder outlet；Feed pipe is mounted on front fixing section Interior, the both ends of feed pipe are separately connected drying cylinder inlet and feed hopper；Fixed section after feeder pipe connection；Flue gas chuck is sleeved on dry Outside dry cylinder.

It further, further include driving gear, driving wheel, driven wheel, driven gear；Driving gear and driving wheel match It closes, and is separately mounted to one end of bracket, drying cylinder；Driven support roller and driven wheel match, and be separately mounted to bracket, The other end of drying cylinder；Driving gear connects driving equipment.

Further, driving wheel and driven wheel are separately mounted to the upper and lower part of drying cylinder.

Further, drying cylinder includes shovelling plate, and shovelling plate is mounted on drying cylinder inner wall.

Further, feed pipe includes dry gas fairlead；Front fixing section includes dry gas outlet, can connect dry gas Fairlead.

Further, flue gas chuck includes flue gas inlet tube and smoke outlet tube, the entrance and exit as high-temperature flue gas.

Further, the junction of front fixing section, flue gas chuck, rear fixed section and drying cylinder is all made of high temperature flexible sealing Structure is sealed, and high temperature flexible sealing structure is successively bonded and is constituted by rear mounting flange, flexible sealing fin, preceding mounting flange.

Further, the internal diameter of preceding mounting flange is equal with flexible sealing fin internal diameter, the outer diameter and flexibility of rear mounting flange The outer diameter of diaphragm seal is equal.

Further, preceding mounting flange and rear mounting flange are made of metal material；Flexible sealing fin uses high temperature resistant bullet Property material is made.

Further, driving equipment is the combination of motor, variable-frequency motor, motor or variable-frequency motor and reduction gearbox.

Built-in drying garbage unit of the invention has the advantages that：

1, structure is simple, can be placed in refuse gasification incinerator ontology, thermal insulation material needed for reducing drying unit itself.

2, using high-temperature flue gas (700 DEG C or more), heat transfer temperature difference is big, and drying effect is good.

3, flue gas and material wall-type heat exchange, cigarette material are contactless.

4, the dry gas generated introduces vaporizer, provides gasifying agent (vapor), does not condense sewage generation.

The present invention also provides a kind of supply air systems for incinerator, the pyrolysis as above-mentioned garbage combustion device The First air supply air system of gasification section, including blower, air hose；Outside the blower setting incinerator, and it is connect with air hose；Wind Pipe a part is embedded in the side wall of incinerator, a part is exposed in incinerator；Air hose is exposed to gasification burning It include air inlet hole on tube wall in furnace.

Further, when incinerator is cylindrical structure, air hose is in circular ring shape.

Further, air hose is horizontally mounted.

Further, air hose is in 270 ° of circular ring shapes.

Further, air inlet hole shares 3 rows in vertical direction.

Further, the air inlet hole of the top a line is along air hose radially towards upper aperture；The air inlet hole of middle row is along wind The radial level aperture of pipe, the air inlet hole of bottom a line is along air hose radially towards lower aperture.

Further, the opening direction of the air inlet hole of the top a line and bottom a line respectively with horizontal plane at 45°。

Further, blower is air blower.

Supply air system of the invention has the advantages that：

1, make air or the steam temperature height into burner hearth and stablize to be adjusted, effectively avoid the hair of " cutoff " phenomenon It is raw, to enhance combustion gas quantum of output, improve the combustion gas speed of response.

2, using the opening direction of the annular setting and air pushing hole of air hose, expand air-supply region.

The present invention also provides a kind of rotary fire grate, the fire grate of the pyrolytic gasification section as above-mentioned garbage combustion device, Including fire grate segment, rotation axis, sprocket wheel, bearing；Fire grate segment, which is evenly spaced on, is fixedly mounted on rotation axis top, and bearing is mounted on The bottom of rotation axis；Sprocket wheel is fixedly mounted on the lower part of rotation axis, is located above the bearing, and connect driving equipment.

Further, fire grate segment is tilted down along the direction far from rotation axis.

It further, further include dust retaining cone, dustproof cover, limit sleeve, key；Dust retaining cone is mounted on the top of rotation axis；It is dust-proof Lid and limit sleeve (limiting partition position) are mounted on the middle part of rotation axis, and dustproof cover is above limit sleeve；Key is mounted on rotation The lower part of axis and between sprocket wheel and bearing.

Further, fire grate segment is one collectively constituted by the boots mouth end of rectangular configuration and the sole end of ladder structure of right angle Body leather boots shape pentagonal configuration, and leather boots shape pentagonal configuration has an acute angle, boots mouth end and rotation axis connection, fire grate segment is also Including multiple holes, multiple holes are arranged successively along the fire grate segment extending direction.

Further, the diameter in multiple holes is sequentially increased along fire grate segment far from the direction of rotation axis.

Further, each corner of leather boots shape pentagonal configuration is fillet.

Further, the driving equipment is the combination of variable-frequency motor and retarder.

Rotary fire grate segment of the invention has the advantages that：

1, continuous slagging-off reduces bulk slag a possibility that coalescing on fire grate, protects fire grate.

2, mechanization removes the gred, and reduces worker's working strength, avoids the destruction manually except slag operation to burning level, reduces cigarette Dirt evolution, improves environmental-protecting performance.

Detailed description of the invention

Fig. 1 is the system schematic of garbage combustion device of the invention；

Fig. 2 is the front view of gasification burning equipment in Fig. 1；

Fig. 3 is the top view of gasification burning equipment in Fig. 1；

Fig. 4 be along Fig. 3 A-A to cross-sectional view；

Fig. 5 is the cross-sectional view of the B-B direction along Fig. 3；

Fig. 6 and Fig. 7 is the axis side view and Fig. 3 high temperature incineration section of multi-cavity type flue gas incineration chamber of the invention Burning chamber；

Fig. 8 is that the enlarged drawing of the burning chamber cross-sectional view of Fig. 4 high temperature incineration section and multi-cavity flue gas of the invention are burnt Burn the cross-sectional view of chamber；

Fig. 9 is the internal front view of incinerator of the invention；

Figure 10 is the inside left view of incinerator shown in Fig. 9；

Figure 11 is the axis side view of burner in burning chamber shown in Fig. 6-8；

Figure 12 be along Figure 11 D-D to cross-sectional view；

Figure 13 is the schematic diagram of flue gas fairlead of the invention；

Figure 14 be along Fig. 9 C-C to cross-sectional view；

Figure 15 is the top view of built-in drying garbage unit of the invention；

Figure 16 be along Figure 15 E-E to cross-sectional view；

Figure 17 is the structure chart of Figure 15 high temperature flexible sealing structure；

Figure 18 is the schematic diagram of supply air system of the invention；

Figure 19 is the front view of primary air piping in Figure 18；

Figure 20 is the top view of primary air piping in Figure 18；

Figure 21 is the front view of rotary fire grate of the invention；

Figure 22 is the structure chart of fire grate segment in Figure 21.

Specific embodiment

It is described further below with reference to technical effect of the attached drawing to design of the invention, specific structure and generation, with It is fully understood from the purpose of the present invention, feature and effect.

The embodiment of garbage combustion device：

As shown in Figure 1, being a preferred embodiment of garbage combustion device of the invention comprising rubbish heap storage 1, magnetic separation Conveying device 2, crushing device 3, feed conveying device 4, gasification burning equipment 5, primary air fan 7, secondary air fan 8, air-introduced machine 9, Chimney 10.Gasification burning equipment 5 includes dryer section 11, pyrolytic gasification section 12 and high temperature incineration section 13, and is placed in gasification and burns Burn primary air fan 7, secondary air fan 8, air-introduced machine 9 and the chimney 10 outside equipment 5.Primary air fan 7 connects pyrolytic gasification section 12, with Air is provided into it, secondary air fan 8 connects high temperature incineration section 13, and to provide air into it, air-introduced machine 9 and chimney 10 are installed Tail gas on the top of gasification burning equipment 5, for wherein generating.

Rubbish heap storage 1 outlet connect magnetic separation conveying device 2, the device be it is belt-type, top equipped with magnet sort iron content Substance, outlet connect crushing device 3, the device be it is shearing, outlet tap into material conveying device 4, which is scraper-type , outlet connects dryer section 11.5 top of gasification burning equipment is provided with dry gas outlet pipe 15 and lower dry gas outlet pipe 16, two dry gas outlet pipes are converged, and connect dry gas general pipeline 6, and dry gas general pipeline 6 connects primary air fan 7 again, thus realize by Vapor that rubbish generates in drying process in dryer section 11, low boiling point combustible gas are sent into pyrolytic gasification section 12.Secondary air fan 8 It is located at 5 middle part of gasification burning equipment, import connects the air intake duct (not shown) installed at the top of rubbish heap storage 1.

Gasification burning equipment 5 as Figure 2-Figure 5, the upper side are (or the first chamber of first segment-dryer section 11 Body), including flue gas chuck 17, the drying cylinder 55 being obliquely installed, drying cylinder 55 are vertical cylinder types, are rubbish in dryer section Path of travel in 11, flue gas chuck 17 are set in the outside of drying cylinder 55, and flue gas chuck 17 includes flue gas inlet tube 27 and cigarette Gas outlet 28, for passing in and out the flue gas in high temperature incineration section 13, using high-temperature flue gas as heat source to the rubbish in drying cylinder 55 It is dried, makes the low boiling point Volatile in rubbish.External drying is realized, cigarette material separates.Drying cylinder 55 can be by driving Device drives are rotated by axis of the central axis of its cylinder type, while 55 inner wall of drying cylinder is equipped with shovelling plate 19, dryer section 11 are including heating source.Drying cylinder 55 can the rotation of positive and negative both direction, cooperate shovelling plate 19 to realize the driving (class to wherein rubbish It is similar to the agitator of concrete mixer), drive rubbish to fall to the second of 5 lower left quarter of gasification burning equipment when such as rotating forward Section-pyrolytic gasification section 12 (or second cavity, combustion a room, incinerator), when rotating backward, makes rubbish in drying cylinder 55 Extended residence time strengthens drying effect.

Pyrolytic gasification occurs in pyrolytic gasification section 12 for rubbish, carries out fuel gas and is formed and solid-state, liquid combustible Burnout.The fire grate 20 that 12 inside bottom of pyrolytic gasification section is provided with, fire grate 20 include fire grate segment 35, rotatable rotation Axis 36, fire grate segment 35, which is evenly spaced on, is fixedly mounted on 36 top of rotation axis, and the two forms the structure of similar umbrella, fire grate segment 35 lower sections are provided with partition 46, define slag chamber 21 therebetween.The rubbish in pyrolytic gasification section 12 is fallen into, fire grate segment 35 is carried on On burned.Lime-ash after waste incineration can fall into 35 lower section of fire grate segment, and fire grate segment 35 is with the rotation axis by motor control When 36 rotation, further lime-ash is driven to fall, be deposited in slag chamber 21.Pyrolytic gasification section 12 further includes clean-out door 45, is opened The lime-ash in slag chamber 21 can be cleared up afterwards.Partition 42 is obliquely installed, and inclined direction is towards clean-out door 45, in order to clean.Fire grate The primary air piping 22 of annular, one end connection are embedded in the sidewall refractory material of the top pyrolytic gasification section 12 of 35 outmost turns of piece Primary air fan 7 outside gasification burning equipment 5, and include multiple air inlets being exposed in pyrolytic gasification section 12 on primary air piping 22 Hole 43 is used as air outlet by air inlet hole 43, provides air into pyrolytic gasification section 12 by primary air fan 7 and primary air piping 22. The position that the top of fire grate 20 is offset slightly from rotation axis 36 is provided with flue gas fairlead 23, and one end nozzle is vertically downward, another Terminate third section-high temperature incineration section 13 (or dual firing chamber).

The flue gas that rubbish burns generation in pyrolytic gasification section 12 enters high temperature incineration section 13 by flue gas fairlead 23, Wherein carry out high temperature oxygen-excess combustion.The burning sub-chamber 2901 of high temperature incineration section 13 including 6 cube structures, 2902,2903, 2904,2905,2906, mutually it is close to arrangement, the burning of the cube structure as 13 main body of high temperature incineration section is collectively formed Chamber, and successively aperture is connected to for 6 sub-chamber；High temperature incineration section 13 further includes being embedded in each sub-chamber's sidewall refractory material Secondary air channel 18；Sub-chamber 2901 includes gas inlet 31, thus the flue gas that pyrolytic gasification section 12 generates enters high temperature incineration Section 13；Sub-chamber 2906 includes exhanst gas outlet, and after burning thus flue gas leaves high temperature incineration section 13, as shown in figs 6-8.Secondary Air Pipe 18 connects the secondary air fan 8 outside gasification burning equipment 5, thus can be to the burning chamber of high temperature incineration section 13 by secondary air fan 8 Indoor offer air.Secondary Air air inlet 44 and hollow cylindrical are provided in communication port between sub-chamber 2901 and 2902 Burner 3001 defines that secondary air chamber 33, burner 3001 include spray air holes 34 therebetween, and outside air is by successively passing through Secondary Air Pipe 18, Secondary Air air inlet 44, secondary air chamber 33, spray air holes 34 enter 3001 center of cylindrical burner, for by the cigarette of burner Gas supplements air to burn.Above-mentioned phase is also provided between sub-chamber 2902 and 2903,2904 and 2905,2905 and 2906 Isostructural Secondary Air air inlet and burner, as shown in figs 6-8,4 include vertical columnar structured burner 3001,3002, 3003,3004 its vertical cylindrical structure are perpendicular to horizontal plane, and the mounting height of 4 burners is identical.High temperature incineration section 13 is also It including first expansion chamber 52, is connected to sub-chamber 2901, for collecting the dust of flue gas entrained in burning chamber.

Gasification burning equipment 5 further includes 1 grade of expansion chamber 24, is connected to sub-chamber 2906.Flue gas burns sub- chamber by each Room has removed most organic pollutants and carbon residue after burning, and then high temperature incineration section 13 is left from exhanst gas outlet 32, into 1 Grade expansion chamber 24.Flue gas chuck 17, flue gas chuck are entered by flue gas inlet tube after into 1 grade of small sedimentation dedusting of expansion chamber 24 17 dresses cover in 55 periphery of drying cylinder, are dried by flowing through high-temperature flue gas therein to the rubbish in drying cylinder 55.Flue gas folder The smoke outlet tube 28 of set 17 connects waste heat boiler 26, and flue gas enters waste heat boiler 26 and heats water (heat exchange), realizes cooling And thermal energy storage, subsequently into 2 grades of expansion chambers comprising 3 sub- expansion chambers 2501,2502,2503 are sequentially communicated, and flue gas passes through Each sub- expansion chamber is settled, and after removing most flue dust, is again introduced into waste heat boiler 26 and is carried out heat exchange, become low temperature cigarette Gas is finally extracted out by air-introduced machine 9 from the exhanst gas outlet of gasification burning equipment 5 and drains into atmosphere through chimney 10.

The garbage incineration process of the above garbage combustion device includes the following steps：

Step 1, manually by rubbish heap storage 1 or rubbish to be treated pushes magnetic separation conveying device 2, sort chalybeate Matter.

Rubbish after the sorting of magnetic separation conveying device 2 continuously or is in batches sent into the progress fragmentation of crushing device 3 by step 2, is broken Broken arrive is less than 300mm size.

Rubbish after step 3, fragmentation is sent into the dryer section 11 of gasification burning equipment 5 by feed conveying device 4.

Step 4, rubbish are dried in dryer section 11, and the heat source of drying is the high-temperature flue gas in high temperature incineration section 13, are made Low boiling point volatile ingredient in rubbish is precipitated, and rubbish after drying falls into pyrolytic gasification section 12.What is generated in drying course waves It sends out object and pyrolytic gasification section is sent by primary air fan 7 through upper dry gas outlet pipe 15, lower dry gas outlet pipe 16, dry gas general pipeline 6 12；It can reach and rubbish acceleration is allowed to fall into pyrolytic gasification section 12 or maintain by the rotation of 55 different directions of drying cylinder simultaneously To extend drying time in dryer section 11.

Step 5 falls into the rubbish carried of pyrolytic gasification section 12 on the grate 20, from primary air fan 7 to pyrolytic gasification section Air are provided in 12 to be burned, make rubbish that pyrolytic gasification occur, carry out fuel gas and formed and solid-state, liquid combustible Burnout.What is carried out in pyrolytic gasification section 12 is pyrolytic gasification and the burning of anaerobic condition, operating temperature control 800 DEG C with Under.

The flue gas generated after waste incineration in step 6, pyrolytic gasification section 12 enters high temperature incineration section through flue gas fairlead 23 13。

Step 7, the high-temperature flue gas with flare or Mars horizontally enter into 2901,90 ° of sub-chamber by flue gas fairlead 23 and turn To, upwardly through burner 3001 supplement air after enter sub-chamber 2902, vigorous combustion；Turn for 180 ° of flue gas in sub-chamber 2902 To passing downwardly through burner 3002 and supplement again and enter sub-chamber 2903 after air；Enter sub-chamber 2904 in the horizontal direction later, 90 ° of steerings again, upwardly through burner 3003, third time enters sub-chamber 2905 after supplementing air, again 180 ° of steerings, logical downwards Burner 3004 is crossed, enters sub-chamber 2906 after the 4th supplement air, in cavity 2906, the combustible component in flue gas is substantially It runs out of.What flue gas carried out in the process is oxygen-excess combustion, and the operating temperature of each sub-chamber is controlled at 900-1100 DEG C.Entirely In the process, combustion flame is elongated, and the high temperature rotational flow air that every grade of burner can provide supplements the oxygen in flue gas, makes to gasify The combustible that process generates full combustion under the oxygen-enriched of dual firing chamber, hot conditions；Air-flow advances in being vortexed, and extends flue gas and exists The residence time of high temperature section, flue gas are more than 2.0s in the residence time of dual firing chamber, and incineration temperature reaches 900 DEG C or more, can make more The completely burneds such as chlordiphenyl substance, carbon residue are decomposed, and keep dioxin residual quantity few.

Step 8, flue gas are by after the burning in each sub-chamber, into 1 grade of small sedimentation dedusting of expansion chamber 24.

Step 9, flue gas leave 1 grade of expansion chamber 24 and enter flue gas chuck 17, are carried out by the temperature of flue gas to drying cylinder 55 Heating, to realize the drying to rubbish in it.

Step 10, flue gas are subsequently into waste heat boiler 26, as the water in heat source heating waste heat boiler 26, to reach cooling With the purpose of storage energy.

Step 11, flue gas are introduced into sedimentation sub-chamber 2501 under after leaving waste heat boiler 26, then 90 ° are redirected into sub- chamber Room 2502, then 180 ° be redirected into sub-chamber 2503, after being sequentially completed the dedusting for settling in sub-chamber at 3, upward 90 ° of steerings It is again introduced into waste heat boiler 26, cooling and energy storage.

After step 12, flue gas leave waste heat boiler 26 again, taken out from the exhanst gas outlet of gasification burning equipment 5 by air-introduced machine 9 Atmosphere is drained into through chimney 10 out.

Flue gas emission detection shows：In not set bag-type dust, all pollutions in the flue gas for the treatment of process discharge Object index is superior to national Specification, and wherein dust is lower than 55mg/m3, and carbon monoxide is lower than 15mg/m3, and sulfur dioxide is lower than 4mg/m3, nitrogen oxides are lower than 10mg/m3, and hydrogen chloride is lower than 1.5mg/m3, and especially crucial toxicity index bioxin is lower than 0.03ngTEQ/m3, only 1/3 or so as defined in II standard of the 1/33 of existing national standards GB18485-2001 and European Union.

0.049 μ gTEQ/kg of flying dust content of dioxin, is much smaller than《Consumer waste filling and embedding contamination control standard (GB16889- 2008)》The limit value of defined 3 μ gTEQ/kg.

The embodiment of incinerator (pyrolytic gasification section)

It as shown in Figure 9 and Figure 10, is a preferred embodiment of incinerator of the invention, while it is also as upper State the pyrolytic gasification section of garbage combustion device.Including cylindrical furnace 71, fire grate 20 made of refractory material, primary air piping 22, Flue gas fairlead 23, partition 46, slag chamber 21 and clean-out door 45.Fire grate 20 is arranged in most lower in the burner hearth of incinerator Side.Fire grate 20 includes fire grate segment 35, rotatable rotation axis 36, and fire grate segment 35, which is evenly spaced on, is fixedly mounted on rotation axis 36 Top, the two form the structure of similar umbrella, are provided with partition 46 below fire grate segment 35, define slag chamber 21 therebetween.Once Air hose 22 is embedded in the furnace wall refractory above 20 outermost edge of fire grate, is in circular ring shape, is connected to inside and outside incinerator, Outside is connect with the air blower being arranged in outside incinerator, to blow into furnace.Primary air piping 22 has section tubular wall to be exposed to It thereon include multiple air inlet holes 43 in incinerator, air is sent into incinerator from air inlet hole 43.It is hanged above fire grate 20 It is equipped with flue gas fairlead 23, for sending out the flue gas generated after waste incineration in incinerator.

Opening is equipped at the top of incinerator, rubbish enters in furnace at the top of incinerator, in burner hearth high-temperature flame-proof material Three kinds of radiation heat transfer of material, the heat convection of high-temperature flue gas and the thermally conductive heat exchange of the high temperature rubbish bed of material modes act on down, complete dry Dry, pyrolysis, gasification and burning process, furnace cavity from top to down, can be divided into drying layer, pyrolytic gasification layer, burning zone and ash Slag blanket.

Air is sent into primary air piping 22 through air blower, in primary air piping 22, after the heating of high temperature tube wall, from primary air piping Air inlet hole 43 on 22 inner sidewalls enters inside the rubbish bed of material on fire grate along opening direction, and the opening direction of air inlet hole 43 can Select horizontal direction and horizontal plane perpendicular to tube wall at upward 45 ° of directions or with horizontal plane at downward 45 ° of upward directions.It is main Syllabus is that combustion air is provided for burning zone, extends burning zone thickness, maintains the temperature levels in furnace.Simultaneously with horizontal plane at 45 ° of air entered in downward direction also can provide oxygen for the after-flame of carbon residue in ash bed.

The flue gas fairlead 23 suspended above fire grate 20, vertically downward, position is offset slightly from rotation axis 36 to one end nozzle. It is matched with the air inlet mode of above-mentioned air, so that gasification flue gas is gathered to center, gasification flue gas can be discharged in time.And Flue gas fairlead 23 itself can also be used as heat-transfer area, and assisted spam is dry and is pyrolyzed.

Fire grate 20 can be driven by variable-frequency motor, and revolving speed can be adjusted according to combustion position.In fire grate rotation process, ash Slag is broken, and falls into slag chamber 21 by the gap of fire grate segment 35, realizes continuous slagging-off.

Lime-ash manually removes after need to opening clean-out door 45 in slag chamber 21.Partition 46 is tilted to 45 direction of clean-out door, so as to It is deposited in scarfing cinder fitting of door in lime-ash, convenient for artificial cleaning.

The embodiment of multi-cavity type flue gas incineration chamber (high temperature incineration section)

It as shown in figs 6-8, is a preferred embodiment of multi-cavity type flue gas incineration chamber of the invention, while it is also to make For the high temperature incineration section of above-mentioned garbage combustion device.Sub-chamber 2901 including 6 cube structures made of refractory material, 2902,2903,2904,2905,2906,4 include columnar structured burner 3001,3002,3003,3004 and secondary Air hose 18.

Wherein, the upside side wall of sub-chamber 2902,2905 is the domes of protrusion.

Of same size, the length of sub-chamber 2901,2903,2904,2906 and identical, the sub-chamber of height of 6 sub-chamber 2902,2905 length and height is identical and their length is twice of the respective length of remaining 4 sub-chamber.

The rear side of sub-chamber 2901 abuts the front side of sub-chamber 2903, and the upside of sub-chamber 2901 and sub-chamber 2903 abuts The downside of sub-chamber 2902, the left side of sub-chamber 2905 is abutted on the right side of sub-chamber 2902, and the right side of sub-chamber 2903 abuts sub- chamber The left side of room 2904, the rear side of sub-chamber 2906 abut the front side of sub-chamber 2904, sub-chamber 2904 and sub-chamber 2905 it is upper Side abuts the downside of sub-chamber 2905, and the left side of sub-chamber 2906 abuts the right side of sub-chamber 2901, and 6 sub-chamber successively open Hole connection (2901~2906 sequence), and the main body of the multi-cavity type flue gas incineration chamber with cube structure is collectively formed, son The left side side wall of chamber 2901 includes gas inlet 31, and the right sidewall of sub-chamber 2906 includes exhanst gas outlet 32.

Secondary air channel 18 is embedded in the side wall of each sub-chamber (equally can also in sidewall refractory material aperture formed), It is connected to inside and outside multi-cavity type flue gas incineration chamber.It can connect, be provided into multi-cavity type flue gas incineration chamber empty with external air blower Gas.Secondary air channel 18 includes Secondary Air air inlet 44, as its air outlet in multi-cavity type flue gas incineration chamber.Burner 3001,3002,3003,3004 sub-chamber 2901 and 2902, sub-chamber 2902 and 2903,2904 and of sub-chamber are separately positioned on 2905, in the communication port between sub-chamber 2905 and 2906.Secondary air inlet 44 is also disposed between sub-chamber locating for 4 burners In communication port, the secondary air chamber 33 of annular is defined between the corresponding burner of secondary air inlet 44.And the vertical circle of burner It is provided on the side wall of tubular construction and sprays air holes 34, spray air holes 34 connection secondary air chamber 33 and sub-chamber, i.e. Secondary Air air inlet 44, Secondary air chamber 33, spray air holes 34 form an air and enter the access of multi-cavity type flue gas incineration chamber, so as to multi-cavity cigarette Air-breathing is provided in gas burning chamber.It is vertical columnar structured perpendicular to horizontal plane and each that the installation of each burner meets it Burner mounting height is identical.

As is illustrated by figs. 11 and 12, it is provided with 10 column, 3 row totally 30 spray air holes 34 on the columnar structured side wall of burner, and opens Hole direction burner cylinder-shaped Inner side wall it is tangential on, so that the air after preheated in annular secondary air compartment is via spray wind Hole 34 tangentially sprays into cylindrical burner center, forms vortex, so that can be vigorously mixed between air and flue gas, reduces air Excess coefficient reduces smoke evacuation volume and flue gas flow rate, to reduce the fume amount of flue gas carrying.

High-temperature flue gas with flare or Mars enters 2901,90 ° of steerings of sub-chamber by gas inlet 31, upwardly through burning Mouth 3001 enters sub-chamber 2902, vigorous combustion after supplementing air；180 ° of flue gas steerings, pass downwardly through burning in sub-chamber 2902 Mouth 3002 enters sub-chamber 2903 after supplementing air again；Enter sub-chamber 2904, then 90 ° of steerings in the horizontal direction later, to It is upper that by burner 3003, third time enters sub-chamber 2905 after supplementing air, and 180 ° of steerings, pass downwardly through burner 3004 again, Enter sub-chamber 2906 after 4th supplement air, in cavity 2906, the combustible component in flue gas has run out of substantially.Finally Multi-cavity type flue gas incineration chamber is flowed out by exhanst gas outlet 32.

In supplement air event, the secondary air channel 18 being embedded in sub-chamber's side wall is put aside using sidewall refractory material Heat preheating flow through air therein.

The embodiment of flue gas fairlead

It as shown in figure 13, is a preferred embodiment of flue gas fairlead of the invention, while it is also as above-mentioned rubbish The flue gas fairlead of rubbish incinerator, for being connected to pyrolytic gasification section and high temperature incineration section.Flue gas fairlead 23 include flange 51, Blower cover 48, the induced duct 47 with 90 ° of corners.Blower cover 48 is round mouth diverging duct, one end of osculum and induced duct 47 One end be connected.It is evenly distributed with a plurality of elongate holes 49 on the side wall of blower cover 48, is equipped between each elongate holes 49 The tube wall of reinforcing rib 50, the blower cover 48 that reinforcing rib 50 is in contact with it is perpendicular.

As shown in Fig. 9 and Figure 14, flue gas fairlead 23 is mounted on gasification burning furnace interior, is suspended at 20 top of fire grate, slightly Deviate the position of fire grate center.The least significant end of blower cover 47 is located in the annular encirclement of primary air piping 22.It will be drawn by flange 51 Air hose 47 is fixed on incinerator inner wall.In operational process, flue gas fairlead 23 is submerged in material, from incinerator Draw flue gas in lower part.By the negative pressure of the air-introduced machine generation as exhaust apparatus, gasification flue gas and flare can flow through blower cover 48 horn mouth and elongate holes 49 is sent into subsequent burning chamber via the fairlead 47 of 90 degree of corners.Neighboring strips shape hole Reinforcing rib 50 between 49 can reduce rubbish blocking elongate holes 49 and flue gas caused to draw the case where hole area is greatly reduced.

The embodiment of built-in drying garbage unit

It as shown in Figure 15 and Figure 16, is a preferred embodiment of built-in drying garbage unit of the invention, while its It is also the dryer section as above-mentioned garbage combustion device.Including front fixing section 53, feed hopper 14, feed pipe 63, drying cylinder 55, cigarette It is gas collet 17, shovelling plate 19, rear fixed section 54, feeder pipe 61, bracket 60, driving wheel 56, driving gear 57, driven wheel 58, driven Support roller 59.

Front fixing section 53 and rear fixed section 54 are respectively fixedly connected at the both ends of drying cylinder 55.Feed hopper 14 is fixedly mounted on In front fixing section 53, the entrance of drying unit is entered as rubbish.63 device of feed pipe is in front fixing section 53, both ends difference Connect feed hopper 14 and drying cylinder 55.Feeder pipe 61 is fixedly mounted on rear fixed section 54, as the outlet after drying garbage.Cigarette Gas collet 17 is set in the middle section part of drying cylinder 55, further includes flue gas inlet tube 27 and smoke outlet tube 28, is used for heat source The disengaging of flue gas.The overall structure that drying cylinder 55 and flue gas chuck 17 are formed is obliquely installed, and is mounted on bracket 60, bracket 60 divides It is not set to the both ends and middle part of drying cylinder 55, the direct support drying cylinder 55 in both ends, the direct support flue gas chuck 17 in middle part.It is dry Driving gear 57 and driven support roller 59 are separately installed on the bracket 60 at the both ends of cylinder 55.Correspondingly, fixed peace on drying cylinder 55 Equipped with the driving wheel 56 and driven wheel 58 matched respectively with driving gear 57 and driven support roller 59, the setting of driving wheel 56 is being tilted The lower end of drying cylinder 55 is arranged in the upper end of the drying cylinder 55 of installation, driven wheel 58.Driving gear 57 is by variable-frequency motor, reduction gearbox Driving drives driving wheel 56 to rotate, and for positive and negative the two of realization drying cylinder 55 to rotation, 55 lower end of drying cylinder relies on 59 He of driven support roller The cooperation rotation of driven wheel 58.(similar to the mixing drum of concrete mixer) is set by the shaped angles of shovelling plate 19, so that dry Rubbish when cylinder 55 rotates forward after preheating and drying, falls to pyrolytic gasification section by self weight；Extend rubbish when rotating backward dry Residence time in dry cylinder 55 keeps drying more abundant.It further include dry gas fairlead 64 on feed pipe 63, for rubbish to be discharged The aqueous vapor and volatile ingredient generated in drying process.Correspondingly, fixed section 53 further includes dry gas outlet 72, dry for connecting Pathogenic dryness fairlead.

Rubbish is sent to the feed hopper 14 installed in front fixing section 53 by conveyer, slips feed pipe 63, into drying cylinder 55. High-temperature flue gas enters flue gas chuck 17 from flue gas inlet tube 27, is discharged after exchanging heat with drying cylinder 55 by smoke outlet tube 28.It is dry Shovelling plate 19 in cylinder 55 can turn in its rotation process and copy rubbish, avoid sanitary fill in 55 bottom of drying cylinder, rubbish is made to exist Thermally equivalent in drying cylinder 55.After drying garbage, into rear fixed section 54 on the feeder pipe 61 that is arranged, be sent into pyrolytic gasification section. The dry dry gas generated, containing vapor, low boiling point combustible gas etc., by the drying gas fairlead 64 being provided on feed pipe 63 After drying cylinder is discharged, pyrolytic gasification is sent by the dry gas outlet pipe and primary air fan that are connected to dry gas outlet 72 Section.

Entire drying unit is mounted on the top of garbage combustion device by bracket 60.

Front fixing section 53, flue gas chuck 17, rear fixed section 54 also use high temperature flexible sealing between drying cylinder 55 respectively Structure 62 is sealed, and flue gas, drying generate escaping for gas when drying cylinder 55 being avoided to rotate.As shown in figure 17, high temperature flexibility is close Seal structure 62 is successively bonded by rear mounting flange 67, flexible sealing fin 66, preceding mounting flange 65 and is constituted.Preceding mounting flange 65 it is interior Diameter is equal with 66 internal diameter of flexible sealing fin, and the outer diameter of rear mounting flange 67 is equal with the outer diameter of flexible sealing fin 66, rear fixation Orchid 67 and preceding mounting flange 65 are made of metal material, and flexible sealing fin 66 is made of high temperature resistant elastic material.

The embodiment of incinerator supply air system

It as shown in figure 18, is a preferred embodiment of supply air system of the invention, while it is also as above-mentioned rubbish The First air supply air system of the pyrolytic gasification section of incinerator.Including air blower 73, the primary air piping 22 that is connected with air blower 73. Air blower 73 is arranged outside pyrolytic gasification section 12.The pyrolytic gasification section 12 with cylindrical furnace is arranged in primary air piping 22 It is interior, it is partially embedded in the side wall of pyrolytic gasification section 12.Primary air piping 22 is arc-shaped in 270 °, and is arranged in 20 ragged edge of fire grate The top of edge.Air inlet hole 43 is provided on the tube wall that primary air piping 22 is exposed in pyrolytic gasification section 12, air is sent by air inlet hole 43 Enter inside pyrolytic gasification section 12.The air pushing hole of primary air piping 22 has three rows, and from top to bottom, the first row is along annular radially towards above opening Hole, direction is at 45 ° with horizontal plane, and the second row is along annular radial horizontal bore, and third row is along annular radially towards lower aperture, direction It is at 45 ° with horizontal plane, as illustrated in figures 19 and 20.This aperture mode can guide the flue gas of 20 top of fire grate poly- to center Hold together, is convenient for 23 drawing smoke of flue gas fairlead.Air in primary air piping 22 is before pyrolytic gasification section 12, by pyrolytic gasification section 12 sidewall refractory material preheaters, so as to maintain fire box temperature.

The rotary fire grate of vertical-type garbage incinerator

It as shown in figure 21, is a preferred embodiment of rotary fire grate of the invention, while it is also as above-mentioned rubbish Fire grate in the pyrolytic gasification section of rubbish incinerator.Including fire grate segment 35, rotation axis 36, dust retaining cone 37, dustproof cover 38, limit sleeve 39, sprocket wheel 40, bearing 41, key 42.Multiple fire grate segments 35, which are spaced apart, is uniformly welded on 36 top of rotation axis, forms umbrella knot Structure, bearing 41 are mounted on 36 bottom of rotation axis, to form whole rotatable rotary table fire grate.Equipped with gear ash at the top of rotation axis 36 Cone 37, middle part are equipped with dustproof cover 38, prevent lime-ash from falling in the gap of rotational structure, so as to cause the abrasion of rotation axis 36.Chain Wheel 40 is mounted on the lower part of rotation axis 36 and is located at 41 top of bearing, and fire grate drives retarder by variable-frequency motor, and passes through sprocket wheel 40 drive rotation axis 36 to realize rotation.Limit sleeve 39 is mounted on 36 middle part of rotation axis and is located at 38 lower section of dustproof cover, and key 42 is installed In 36 lower part of rotation axis and between sprocket wheel 40 and bearing 41.

As shown in figure 22, fire grate segment 35 is common by the boots mouth end 68 of rectangular configuration and the sole end 69 of ladder structure of right angle The integrated leather boots shape pentagonal configuration of composition, and leather boots shape pentagonal configuration has an acute angle, boots mouth end 68 and rotation axis are solid Fixed connection, fire grate segment 35 further includes multiple holes 70, is arranged successively along fire grate segment extending direction, and arrives sole end 69 along boots mouth end 68 Direction, aperture are sequentially increased.

In the slow rotary course of fire grate, the rubbish fallen on fire grate is equably imposed on fire grate segment 35 and is formed by fire grate Lime-ash on face, while after waste incineration is broken, and falls into fire grate from the hole 70 on fire grate segment 35 or the gap between fire grate segment 35 The slag chamber of 35 lower section of piece.

The preferred embodiment of the present invention has been described in detail above.It should be appreciated that the ordinary skill of this field is without wound The property made labour, which according to the present invention can conceive, makes many modifications and variations.Therefore, all technician in the art Pass through the available technology of logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea Scheme, all should be within the scope of protection determined by the claims.

Claims (78)

1. a kind of garbage combustion device, which is characterized in that including gasification burning equipment, and be placed in the gasification burning equipment Outer primary air fan, secondary air fan and exhaust apparatus；

The gasification burning equipment includes：For the dryer section of drying garbage, the pyrolytic gasification section for burning the rubbish, use In the high temperature incineration section for further burning the flue gas for burning generation in the pyrolytic gasification section；

The dryer section includes feed inlet, dry channel, flue gas chuck, and the feed inlet is the rubbish of the gasification burning equipment Entrance, the rubbish are heated in dry channel, and the flue gas chuck is set in the periphery of the dry channel, the drying Section is connected to the pyrolytic gasification section；

The pyrolytic gasification section includes the primary air piping being connected to inside and outside the pyrolytic gasification section, the primary air fan and described primary Air hose connection；

The high temperature incineration section includes burning chamber, and the secondary air channel inside and outside the connection high temperature incineration section, described secondary Blower is connect with the secondary air channel, and the burning chamber is connected to the pyrolytic gasification section, the flue gas chuck respectively, described Flue gas chuck is connect with the exhaust apparatus.

2. garbage combustion device as described in claim 1, which is characterized in that the company of the dryer section and the pyrolytic gasification section Port is on the top or top of the pyrolytic gasification section.

3. garbage combustion device as claimed in claim 2, which is characterized in that the dry channel is obliquely installed.

4. garbage combustion device as claimed in claim 3, which is characterized in that the dry channel is columnar drying cylinder.

5. garbage combustion device as claimed in claim 4, which is characterized in that the drying cylinder can turn along the tangential of its cylinder It is dynamic.

6. garbage combustion device as claimed in claim 5, which is characterized in that be provided with shovelling plate in the drying cylinder.

7. garbage combustion device as described in claim 1, which is characterized in that the gasification burning equipment further includes that dry gas draws Outlet pipe, the both ends of the dry gas outlet pipe are connect with the dryer section, the primary air fan respectively.

8. garbage combustion device as claimed in claim 7, which is characterized in that the dry gas outlet pipe includes that upper dry gas draws Outlet pipe, lower dry gas outlet pipe, dry gas general pipeline, one end of the upper dry gas outlet pipe and the upper end of the dryer section connect It connects, one end of the lower dry gas outlet pipe is connect with the lower end of the dryer section, the other end of the upper dry gas outlet pipe It is connected to again with one end of the dry gas general pipeline after converging with the connection of the other end of the lower dry gas outlet pipe, the dry gas The other end of general pipeline is connect with the primary air fan.

9. garbage combustion device as described in claim 1, which is characterized in that the primary air piping is partly or entirely embedded in institute It states in the side wall of pyrolytic gasification section.

10. garbage combustion device as claimed in claim 9, which is characterized in that the primary air piping includes multiple air inlet holes, institute Air inlet hole is stated to be exposed in the pyrolytic gasification section.

11. garbage combustion device as claimed in claim 10, which is characterized in that the pyrolytic gasification section uses vertical and cylindrical Structure.

12. garbage combustion device as claimed in claim 11, which is characterized in that the primary air piping horizontal peace annular in shape It sets.

13. garbage combustion device as claimed in claim 12, which is characterized in that the pyrolytic gasification section includes for carrying State the fire grate of rubbish in pyrolytic gasification section.

14. garbage combustion device as claimed in claim 13, which is characterized in that the fire grate is not higher than whole air inlets Hole.

15. garbage combustion device as claimed in claim 14, which is characterized in that the fire grate includes fire grate segment, rotatable Rotation axis, the fire grate segment, which is evenly spaced on, is fixed on the rotation axis top, and the fire grate segment is rotated with the rotation axis When drive the lime-ash generated after the waste incineration to fall into the lower section of the fire grate segment.

16. garbage combustion device as claimed in claim 15, which is characterized in that the pyrolytic gasification section includes partition, slagging-off Room, the partition are set to below the fire grate segment, and the fire grate segment and the partition room define the slag chamber.

17. garbage combustion device as claimed in claim 16, which is characterized in that the pyrolytic gasification section includes clean-out door, institute It states partition to be obliquely installed, inclined low level is arranged in the clean-out door side.

18. the garbage combustion device as described in claim 14-17 is any, which is characterized in that the gasification burning equipment is also wrapped Flue gas fairlead is included, the pyrolytic gasification section is connected to the burning chamber by the flue gas fairlead.

19. garbage combustion device as claimed in claim 18, which is characterized in that one end of the flue gas fairlead is in the heat It solves in gasification section, Open Side Down for nozzle；The other end is fixedly mounted on the communication port of the pyrolytic gasification section and the burning chamber Interior, nozzle is open towards in the burning chamber.

20. garbage combustion device as claimed in claim 19, which is characterized in that the flue gas fairlead is not less than whole institutes State air inlet hole.

21. garbage combustion device as claimed in claim 20, which is characterized in that the flue gas fairlead is mounted on the fire grate Top.

22. garbage combustion device as claimed in claim 21, which is characterized in that the flue gas fairlead is L-shaped, passes through institute State the pipeline section horizontal setting of the side wall of pyrolytic gasification section and the burning chamber.

23. garbage combustion device as described in claim 1, which is characterized in that the burning chamber includes multiple sub-chamber, according to Secondary number is denoted as the 1st sub-chamber, the 2nd sub-chamber ... k-th sub chamber, and K is the sum of sub-chamber；1st sub-chamber and institute State the connection of the 2nd sub-chamber, the 2nd sub-chamber is connected to the 3rd sub-chamber ... K-1 sub-chamber and the K Sub-chamber's connection；1st sub-chamber is connected to the pyrolytic gasification section, and the k-th sub chamber is connected to the flue gas chuck.

24. garbage combustion device as claimed in claim 23, which is characterized in that the secondary air channel is embedded in the sub-chamber Side wall in or limited and formed by the side wall of the sub-chamber；The secondary air channel includes Secondary Air air inlet, the Secondary Air Air inlet is arranged in the communication port between at least one described sub-chamber.

25. garbage combustion device as claimed in claim 24, which is characterized in that the burning chamber includes burner, the burning Mouth includes spray air holes, and the burner is mounted in the communication port being provided between the sub-chamber of the Secondary Air air inlet, institute It states and defines secondary air chamber between Secondary Air air inlet and the burner, the spray air holes is connected to the secondary air chamber and the burning Chamber.

26. garbage combustion device as claimed in claim 25, which is characterized in that the installation direction of the burner is identical.

27. garbage combustion device as claimed in claim 26, which is characterized in that the burner mounting height is identical.

28. garbage combustion device as claimed in claim 25, including vertical columnar structured, the spray air holes is set the burner It sets on the columnar structured side wall, the opening direction of the spray air holes is in the tangential of the columnar structured side Inner On.

29. garbage combustion device as claimed in claim 24, which is characterized in that the high temperature incineration section further includes just settling Room, the just expansion chamber are connected to sub-chamber described at least one.

30. garbage combustion device as claimed in claim 29, which is characterized in that the just expansion chamber is arranged in the burning chamber Below room.

31. garbage combustion device as described in claim 1, which is characterized in that the gasification burning equipment further includes 1 grade of sedimentation Room, 1 grade of expansion chamber are connected to the pyrolytic gasification section, the flue gas chuck respectively, the pyrolytic gasification section and the cigarette Gas collet is not connected to directly.

32. the garbage combustion device as described in claim 23-30 is any, which is characterized in that the gasification burning equipment is also wrapped Include 1 grade of expansion chamber, 1 grade of expansion chamber is connected to the k-th sub chamber, the flue gas chuck respectively, the k-th sub chamber with The flue gas chuck is not connected to directly.

33. the garbage combustion device as described in claim 1 or 31, which is characterized in that the gasification burning equipment further includes heat Switch, the heat-exchange device are connect with the flue gas chuck, the exhaust apparatus respectively, the flue gas chuck and described Exhaust apparatus is not directly connected.

34. garbage combustion device as claimed in claim 33, which is characterized in that the gasification burning equipment further includes 2 grades heavy Room drops, and 2 grades of expansion chambers connect with the heat-exchange device, the exhaust apparatus respectively, the heat-exchange device and described Exhaust apparatus is not directly connected.

35. garbage combustion device as claimed in claim 34, which is characterized in that the heat-exchange device includes 4 interfaces, point It is not interface 1, interface 2, interface 3, interface 4, there is access, the interface 3 and the interface 4 between the interface 1 and the interface 2 Between have an access, the flue gas chuck connects the interface 1,2 grades of expansion chambers connect the interface 2 and the interface 3, described Exhaust apparatus connects the interface 4.

36. garbage combustion device as claimed in claim 33, which is characterized in that the heat-exchange device is boiler.

37. garbage combustion device as claimed in claim 32, which is characterized in that the gasification burning equipment further includes heat exchange Device, the heat-exchange device are connect with the flue gas chuck, the exhaust apparatus respectively, the flue gas chuck and the exhaust Device is not directly connected.

38. garbage combustion device as described in claim 1, which is characterized in that the gasification burning equipment further includes 2 grades of sedimentations Room, 2 grades of expansion chambers are connected to the flue gas chuck and connect with the exhaust apparatus, the flue gas chuck and the exhaust Device is not directly connected.

39. garbage combustion device as claimed in claim 38, which is characterized in that 2 grades of expansion chambers include multiple sedimentation Chamber, number consecutively are denoted as the 1st sedimentation sub-chamber, the 2nd sedimentation sub-chamber ... M sedimentation sub-chamber, and M is sedimentation sub-chamber Sum；The 1st sedimentation sub-chamber is connected to the 2nd sedimentation sub-chamber, the 2nd sedimentation sub-chamber and the described 3rd settles Sub-chamber's connection ... M-1 sedimentation sub-chamber is connected to M sedimentation sub-chamber, and M is the sum for settling sub-chamber； The gasification burning equipment further includes heat-exchange device, and the heat-exchange device is settled with the flue gas chuck, the described 1st respectively Sub-chamber's connection, M sedimentation sub-chamber connect with the exhaust apparatus.

40. garbage combustion device as claimed in claim 39, which is characterized in that the heat-exchange device includes 4 interfaces, point It is not interface 1, interface 2, interface 3, interface 4, there is access, the interface 3 and the interface 4 between the interface 1 and the interface 2 Between have an access, the flue gas chuck connects the interface 1, the 1st sedimentation sub-chamber connects the interface 2, M sedimentation Sub-chamber connects the interface 3, and the exhaust apparatus connects the interface 4.

41. garbage combustion device as claimed in claim 37, which is characterized in that the heat-exchange device is boiler.

42. garbage combustion device as described in claim 1, which is characterized in that the exhaust apparatus is air-introduced machine and chimney.

43. garbage combustion device as described in claim 1, which is characterized in that further include feed conveying device, the charging is defeated Sending device includes garbage inlet end and garbage outlet end, and the garbage outlet end connects the feed inlet.

44. garbage combustion device as claimed in claim 43, which is characterized in that the feed conveying device is electric trowelling formula Conveyer belt.

45. garbage combustion device as claimed in claim 43, which is characterized in that it further include crushing device, the crushing device By the refuse breaking piecemeal, the broken rubbish is sent into the garbage inlet end.

46. garbage combustion device as claimed in claim 45, which is characterized in that the crushing device is low velocity shear formula solid waste Garbage pulverator.

47. the garbage combustion device as described in claim 45 or 46, which is characterized in that the maximum of the rubbish after crushing is wide Degree is less than 300mm.

48. garbage combustion device as claimed in claim 45, which is characterized in that further include the magnetic separation for separating iron compound Conveying device, the magnetic separation conveying device include conveying inlet end and conveying outlet end, are put into rubbish from the conveying inlet end, Rubbish is sent into the crushing device by the conveying outlet end.

49. garbage combustion device as claimed in claim 48, which is characterized in that the magnetic separation conveying device includes electric belt Conveyer, magnet, the magnet arrangement is above the electric belt conveyer or/and side.

50. garbage combustion device as claimed in claim 48, which is characterized in that further include the rubbish for storing the rubbish Heap storage.

51. garbage combustion device as claimed in claim 50, which is characterized in that the rubbish heap storage includes air intake duct, described Air intake duct is connect with the secondary air fan.

52. garbage combustion device as described in claim 1, which is characterized in that the primary air fan and the secondary air fan are Air blower.

53. a kind of burning process using garbage combustion device as described in claim 1, which is characterized in that including following work Skill process step：

Step 1, the dryer section that rubbish to be treated is put into gasification burning equipment；

Step 2, the rubbish are dried in the dryer section, and fall into pyrolytic gasification section；

Step 3, the rubbish burn in the pyrolytic gasification section, provide air-breathing by primary air fan；

The flue gas generated after step 4, the waste incineration enters the burning chamber of high temperature incineration section；

Step 5, flue gas burn in the burning chamber, provide air-breathing by secondary air fan；

Step 6, flue gas enter flue gas chuck, and the drying to rubbish in the dryer section is realized by the temperature of flue gas；

The gasification burning equipment is discharged by exhaust apparatus in step 7, flue gas.

54. burning process as claimed in claim 53, which is characterized in that the gasification burning equipment further includes that dry gas is drawn Pipe, the both ends of the dry gas outlet pipe are connect with the dryer section, the primary air fan respectively, in the step 2, the rubbish The volatile matter that rubbish generates in drying course in the dryer section is sent into institute by the primary air fan through the dry gas outlet pipe State pyrolytic gasification section.

55. burning process as claimed in claim 53, which is characterized in that in the step 3, the incineration temperature of the rubbish is small In 800 DEG C.

56. burning process as claimed in claim 53, which is characterized in that the pyrolytic gasification section further includes fire grate, the step In rapid 3, the rubbish is carried on the fire grate and burns.

57. burning process as claimed in claim 56, which is characterized in that the fire grate includes fire grate segment, rotatable rotation Axis, the fire grate segment, which is evenly spaced on, is fixed on the rotation axis top, and the fire grate segment drives when rotating with the rotation axis Move the lower section that the lime-ash generated after the waste incineration falls into the fire grate segment.

58. burning process as claimed in claim 57, which is characterized in that the pyrolytic gasification section includes partition, slag chamber, clear Slag door, the partition are set to below the fire grate segment, and the fire grate segment and the partition room define the slag chamber, burning The openable clean-out door cleans the lime-ash after burning.

59. burning process as claimed in claim 58, which is characterized in that the partition is obliquely installed, inclined low level setting In the clean-out door side.

60. the burning process as described in claim 56-59 is any, which is characterized in that the gasification burning equipment further includes cigarette Gas fairlead, the pyrolytic gasification section is connected to the burning chamber by the flue gas fairlead, in the step 4, flue gas Enter the high temperature incineration section from the pyrolytic gasification section through the flue gas fairlead.

61. the burning process as described in claim 53 or 55, which is characterized in that in the step 5, the burning temperature of the flue gas Spending range is 900-1100 DEG C.

62. burning process as claimed in claim 53, which is characterized in that the exhaust apparatus is air-introduced machine and chimney.

63. burning process as claimed in claim 53, which is characterized in that the primary air fan and the secondary air fan are air blast Machine.

64. a kind of burning process using garbage combustion device as claimed in claim 40, which is characterized in that including following work Skill process step：

Step 1, the dryer section that rubbish to be treated is put into gasification burning equipment；

Step 2, the rubbish are dried in the dryer section, and fall into pyrolytic gasification section；

Step 3, the rubbish burn in the pyrolytic gasification section, provide air-breathing by primary air fan；

The flue gas generated after step 4, the waste incineration enters the burning chamber of high temperature incineration section；

Each sub-chamber of step 5, flue gas successively Jing Guo the burning chamber is burned, and provides air-breathing by secondary air fan；

Step 6, flue gas enter 1 grade of expansion chamber dedusting；

Step 7, flue gas enter flue gas chuck, and the drying to rubbish in the dryer section is realized by the temperature of flue gas；

Step 8, flue gas enter heat-exchange device, cool down；

Step 9, flue gas enter 2 grades of expansion chambers, successively after each sedimentation sub-chamber dedusting of 2 grades of expansion chambers, again into Enter the heat-exchange device, cools down again；

The gasification burning equipment is discharged by exhaust apparatus in step 10, flue gas.

65. the burning process as described in claim 64, which is characterized in that in the step 3, the incineration temperature of the rubbish is small In 800 DEG C.

66. the burning process as described in claim 64 or 65, which is characterized in that in the step 5, the incineration temperature model of flue gas Enclose is 900-1100 DEG C.

67. the burning process as described in claim 64, which is characterized in that the heat-exchange device is boiler, and flue gas is as institute The heat source of boiler is stated to heat water.

68. the burning process as described in claim 64, which is characterized in that the exhaust apparatus is air-introduced machine and chimney.

69. the burning process as described in claim 64, which is characterized in that the primary air fan and the secondary air fan are air blast Machine.

70. a kind of burning process using garbage combustion device as claimed in claim 51, which is characterized in that including following work Skill process step：

Step 1, by rubbish heap storage or rubbish to be treated be sent into magnetic separation conveying device isolate iron compound；

Step 2, the rubbish enter crushing device fragmentation；

The rubbish after step 3, fragmentation is fallen after being dried by the dryer section that feed conveying device is sent into gasification burning equipment Enter pyrolytic gasification section；

Step 4, the rubbish burn in the pyrolytic gasification section, provide air-breathing by primary air fan；

The flue gas generated after step 5, the waste incineration enters the burning chamber of high temperature incineration section, and in the burning chamber It burns, provides air-breathing by secondary air fan；

Step 6, flue gas enter 1 grade of expansion chamber dedusting；

Step 7, flue gas enter flue gas chuck, and the drying to rubbish in the dryer section is realized by the temperature of flue gas；

Step 8, flue gas enter heat-exchange device, cool down；

Step 9, flue gas enter 2 grades of expansion chambers, successively after each sedimentation sub-chamber dedusting of 2 grades of expansion chambers, again into Enter the heat-exchange device, cools down again；

The gasification burning equipment is discharged by exhaust apparatus in step 10, flue gas.

71. the burning process as described in claim 70, which is characterized in that in the step 4, the incineration temperature of the rubbish is small In 800 DEG C.

72. the burning process as described in claim 70 or 71, which is characterized in that in the step 5, the incineration temperature model of flue gas Enclose is 900-1100 DEG C.

73. the burning process as described in claim 70, which is characterized in that the magnetic separation conveying device includes electric belt transmission Machine, magnet, the magnet arrangement is above the electric belt conveyer or side.

74. the burning process as described in claim 70, which is characterized in that the crushing device is low velocity shear formula solid waste rubbish Pulverizer.

75. the burning process as described in claim 74, which is characterized in that the maximum width of the rubbish after crushing is less than 300mm。

76. the burning process as described in claim 70, which is characterized in that the feed conveying device is the transmission of electric trowelling formula Band.

77. the burning process as described in claim 70, which is characterized in that the exhaust apparatus is air-introduced machine and chimney.

78. the burning process as described in claim 70, which is characterized in that the primary air fan and the secondary air fan are air blast Machine.