CN104728848A - Garbage incineration device and incineration method thereof - Google Patents

Garbage incineration device and incineration method thereof Download PDF

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Publication number
CN104728848A
CN104728848A CN201510148015.7A CN201510148015A CN104728848A CN 104728848 A CN104728848 A CN 104728848A CN 201510148015 A CN201510148015 A CN 201510148015A CN 104728848 A CN104728848 A CN 104728848A
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China
Prior art keywords
incinerator
garbage
waste gas
completing steps
heat
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CN201510148015.7A
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Chinese (zh)
Inventor
赵三文
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Individual
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Individual
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Priority to CN201510148015.7A priority Critical patent/CN104728848A/en
Publication of CN104728848A publication Critical patent/CN104728848A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/08Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
    • F23G5/14Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/44Details; Accessories
    • F23G5/442Waste feed arrangements
    • F23G5/444Waste feed arrangements for solid waste

Abstract

The invention discloses a garbage incineration device and an incineration method thereof. The garbage incineration device comprises a garbage banding machine, a conveying device, a feeding device, a garbage incinerator, a heat energy utilizing device and a tail gas purifying system. The garbage incinerator comprises an incinerator body, a heated pipe, a heat storage fire resistant layer, a calcium oxide powder spraying device and a secondary combustor. The garbage banding machine, the conveying device, the feeding device, the garbage incinerator, the heat energy utilizing device and the tail gas purifying device are sequentially connected. The calcium oxide powder spraying device is installed outside the garbage incinerator, the heat storage fire resistant layer and the secondary combustor are installed in an incinerator body, and the heated pipe is installed in the heat storage fire resistant layer. The incineration method comprises banding, conveying, feeding, incinerating, heat energy recovering, one-level rotational flowing, acid removing, two-level rotational flowing, activated carbon powder spraying, cloth bag dust removing and discharging. The garbage incineration device and the incineration method thereof have the advantages that the operation automation degree is high, the incineration heat efficiency is high, the fluctuation of high temperature in a hearth is small and stable, and the tail gas purifying rate is high.

Description

A kind of garbage combustion device and incinerating method thereof
Technical field
The present invention relates to a kind of incinerator, particularly relate to a kind of garbage combustion device and incinerating method thereof.
Background technology
Existing enterprise garbage combustion device directly adopts former coal-burning boiler, and former coal-burning boiler is not done the system reform or transformed unreasonable, and incinerator thermal effect benefit is low; Burn the heat pipe installed in burner hearth, its heat-conducting mode is heat radiation, because the meson temperature in heat pipe is low simultaneously, soon the heat in burner hearth is taken away, cause fire box temperature general lower, incinerating solid waste easily produces pernicious gas, and dust contained flue gas concentration is very high.Increase burden to tail gas clean-up process, and equipment failure rate is very high.
Current garbage incineration method, the fixed driving of general employing pours rubbish into hydraulic feed system, advance in incinerator thereupon and burn, the heat energy supply enterprise produced, tail gas sprays to water film dedusting through waste heat boiler, enter sack cleaner again, some meetings enter sack cleaner after first adopting cyclone dust removal again, enter in air finally by air-introduced machine.But the method charging labour cost is large, and operating cost is high, and water film dedusting has sewage, easily produces secondary pollution; The problem of the uncontrollable water capacity of water film dedusting, back segment bag-type dust condensation sticks with paste bag, and maintenance cost is large.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of garbage combustion device and incinerating method thereof are provided.
A kind of garbage combustion device comprises rubbish banding machine, conveyer, feed arrangement, incinerator, energy use device and exhaust gas purification system, and incinerator comprises body of heater, heat pipe, accumulation of heat flame retardant coating, calcium oxide dusting device and secondary combustion chamber; Rubbish banding machine, conveyer, feed arrangement, incinerator, energy use device are connected in turn with exhaust gas cleaner, calcium oxide dusting device is arranged on incinerator outside, accumulation of heat flame retardant coating, secondary combustion chamber are arranged on furnace interior, and it is inner that heat pipe is arranged on accumulation of heat flame retardant coating.
Preferential, before and after described incinerator, arch installs S shape seamless pipe, connects forced water circulation cooling system in pipe, and pipe is outer pours into a mould exotic material.
Preferential, described accumulation of heat flame retardant coating adopts corundum brick.
Preferential, described heat pipe corner arranges shoot door, is provided with and forces deashing blower fan apparatus outside shoot door.
Preferential, described exhaust gas purification system comprises one-level cyclone, half dry type chilling except acid tower, second cyclone, active carbon dusting device, sack cleaner, chimney, air-introduced machine.
An incinerating method for garbage combustion device, comprises the following steps:
1) bale packing: high heating value solid waste rubbish is carried out bale packing by banding machine, in cuboid after bale packing, middle uniform honeycomb hole;
2) transmit: by completing steps 1) bale packing rubbish, be transported to feed arrangement by conveyer;
3) charging: by completing steps 2) bale packing rubbish, push in incinerator by feed arrangement;
4) burn: by completing steps 3) bale packing waste incineration carry out chemical reaction, produce heat and waste gas;
5) calcium oxide dusts: by completing steps 4) waste gas, by calcium oxide dusting device, directly in incinerator, again carry out chemical reaction with calcium oxide, purge the sour gas in portion;
6) energy recovery: by completing steps 5) heat, reclaimed by energy use device;
7) one-level eddy flow: by completing steps 6) waste gas, by the process of one-level cyclone, particle more than trapping 5-15 micron;
8) deacidify: by completing steps 7) waste gas, by half dry type chilling except acid tower remove sour gas;
9) secondary whirlwind: by completing steps 8) waste gas, by the process of secondary cyclone, demist and dedusting are carried out to waste gas, form spiral air flow simultaneously;
10) active carbon dusts: by completing steps 9) waste gas, by the process of active carbon dusting device, spray into active carbon powder and mix with the waste gas of spiral air flow, remove bioxin and heavy metal in waste gas;
11) bag-type dust: by completing steps 10) waste gas and active carbon powder, by sack cleaner process, active carbon powder is adsorbed in the filter material surface of sack cleaner, continues to remove bioxin and heavy metal in waste gas;
12) discharge: by completing steps 11) cleaning of off-gas, form negative pressure by air-introduced machine, be directly discharged in air through chimney.
Preferential, the flying dust after described step 11) bag-type dust, returns to incinerator by pipeline and carries out second-time burning.
The present invention, adopts the process of banding machine bale packing, in cuboid after bale packing before waste incineration, realize charging mechanical automation by devices such as transmission, feedings, decrease operating personnel and discharge labour, uniform honeycomb hole in the middle of rubbish bale packing, be conducive to rubbish fully to burn, reduce pernicious gas and produce; The heat pipe of incinerator inside is arranged on accumulation of heat flame retardant coating inside, heat-conducting mode is heat transfer, because accumulation of heat flame retardant coating extends the effect of thermal conduction time and equilibrium temperature, so high temperature fluctuations is little more stable in burner hearth, be conducive to the decomposition of pernicious gas worst hot case, particularly bioxin, simultaneously because heat pipe does not directly contact with high temperature and corrosive fume, the heat pipe solving incinerator easily corrodes brokenly the problem of pipe.Exhaust gas purification system of the present invention, adopt one-level cyclone, half dry type chilling except acid tower, second cyclone, active carbon dusting device, sack cleaner process, its purification efficiency is high.Use the present invention, have operating automation degree high, burn high temperature long-time stable in high, the burner hearth of the thermal efficiency, tail gas clean-up rate high.
Accompanying drawing explanation
Fig. 1 is the structure chart of garbage combustion device of the present invention;
Fig. 2 is the flow chart of garbage incineration method of the present invention;
In figure, calcium oxide dusting device 1, incinerator 2, secondary combustion chamber 3, energy use device 4, one-level eddy flow 5, half dry type chilling are except acid tower 6, second cyclone 7, active carbon dusting device 8, sack cleaner 9, chimney 10, air-introduced machine 11.
Detailed description of the invention
As shown in Figure 1, a kind of garbage combustion device, comprise rubbish banding machine, conveyer, feed arrangement, incinerator 2, energy use device 4 and exhaust gas purification system, incinerator comprises body of heater, heat pipe, accumulation of heat flame retardant coating, calcium oxide dusting device and secondary combustion chamber 3; Rubbish banding machine, conveyer, feed arrangement, incinerator 2, energy use device 4 are connected in turn with exhaust gas cleaner, it is outside that calcium oxide dusting device 1 is arranged on incinerator 2, accumulation of heat flame retardant coating, secondary combustion chamber 3 are arranged on furnace interior, it is inner that heat pipe is arranged on accumulation of heat flame retardant coating, solve the fluctuation of incinerator fire box temperature large stable not, burn and completely easily produce pernicious gas not, add the disposal cost of exhaust gas purification system and the problem of intractability.
Before and after the incinerator 2 of garbage combustion device, arch installs a S shape seamless pipe, connects forced water circulation cooling system in managing, and pipe is outer pours into a mould exotic material, and solution incinerator 2 face arch and rear arch hold givey problem.
The accumulation of heat flame retardant coating of garbage combustion device adopts a corundum brick, and the heat realizing waste incineration generation first stores corundum brick, then by corundum brick heat transfer to heat pipe heat supply.
The heat pipe corner of garbage combustion device arranges a shoot door, is provided with and forces deashing blower fan apparatus outside shoot door.
A kind of exhaust gas purification system of garbage combustion device comprises one-level cyclone 5, half dry type chilling except acid tower 6, second cyclone 7, active carbon dusting device 8, sack cleaner 9, chimney 10, air-introduced machine 11.
As shown in Figure 2, a kind of garbage incineration method, comprises the following steps:
1) bale packing: high heating value solid waste rubbish is carried out bale packing by banding machine, in cuboid after bale packing, middle uniform honeycomb hole;
2) transmit: by completing steps 1) bale packing rubbish, be transported to feed arrangement by conveyer;
3) charging: by completing steps 2) bale packing rubbish, push in incinerator 2 by feed arrangement;
4) burn: by completing steps 3) bale packing waste incineration carry out chemical reaction, produce heat and waste gas;
5) calcium oxide dusts: by completing steps 4) waste gas, by calcium oxide dusting device 1, directly in incinerator 2 with calcium oxide again carry out chemical reaction, purge the sour gas in portion;
6) energy recovery: by completing steps 5) heat, reclaimed by energy use device 4;
7) one-level eddy flow: by completing steps 6) waste gas, processed by one-level cyclone 5, particle more than trapping 5-15 micron;
8) deacidify: by completing steps 7) waste gas, remove sour gas by half dry type chilling except acid tower 6;
9) secondary whirlwind: by completing steps 8) waste gas, processed by secondary cyclone 7, demist and dedusting carried out to waste gas, forms spiral air flow simultaneously;
10) active carbon dusts: by completing steps 9) waste gas, processed by active carbon dusting device 8, spray into active carbon powder and mix with the waste gas of spiral air flow, remove bioxin and heavy metal in waste gas;
11) bag-type dust: by completing steps 10) waste gas and active carbon powder, processed by sack cleaner 9, active carbon powder is adsorbed in the filter material surface of sack cleaner 9, continues to remove bioxin and heavy metal in waste gas;
12) discharge: by completing steps 11) cleaning of off-gas, form negative pressure by air-introduced machine 10, be directly discharged in air through chimney 11.
A flying dust after the step 11) bag-type dust of garbage incineration method, returns to incinerator 2 by pipeline and carries out second-time burning, solve the problem that a large amount of flying dusts causes secondary pollution.

Claims (7)

1. a garbage combustion device, it is characterized in that comprising rubbish banding machine, conveyer, feed arrangement, incinerator, energy use device and exhaust gas purification system, incinerator comprises body of heater, heat pipe, accumulation of heat flame retardant coating, calcium oxide dusting device and secondary combustion chamber; Rubbish banding machine, conveyer, feed arrangement, incinerator, energy use device are connected in turn with exhaust gas cleaner, calcium oxide dusting device is arranged on incinerator outside, accumulation of heat flame retardant coating, secondary combustion chamber are arranged on furnace interior, and it is inner that heat pipe is arranged on accumulation of heat flame retardant coating.
2. a kind of garbage combustion device according to claim 1, it is characterized in that before and after described incinerator, arch installs S shape seamless pipe, connects forced water circulation cooling system in pipe, pipe is outer pours into a mould exotic material.
3. a kind of garbage combustion device according to claim 1, is characterized in that described accumulation of heat flame retardant coating adopts corundum brick.
4. a kind of garbage combustion device according to claim 1, is characterized in that described heat pipe corner arranges shoot door, is provided with and forces deashing blower fan apparatus outside shoot door.
5. a kind of garbage combustion device according to claim 1, is characterized in that described exhaust gas purification system comprises one-level cyclone, half dry type chilling except acid tower, second cyclone, active carbon dusting device, sack cleaner, chimney, air-introduced machine.
6. an incinerating method for garbage combustion device as claimed in claim 1, is characterized in that comprising the following steps:
1) bale packing: high heating value solid waste rubbish is carried out bale packing by banding machine, in cuboid after bale packing, middle uniform honeycomb hole;
2) transmit: by completing steps 1) bale packing rubbish, be transported to feed arrangement by conveyer;
3) charging: by completing steps 2) bale packing rubbish, push in incinerator by feed arrangement;
4) burn: by completing steps 3) bale packing waste incineration carry out chemical reaction, produce heat and waste gas;
5) calcium oxide dusts: by completing steps 4) waste gas, by calcium oxide dusting device, directly in incinerator, again carry out chemical reaction with calcium oxide, purge the sour gas in portion;
6) energy recovery: by completing steps 5) heat, reclaimed by energy use device;
7) one-level eddy flow: by completing steps 6) waste gas, by the process of one-level cyclone, particle more than trapping 5-15 micron;
8) deacidify: by completing steps 7) waste gas, by half dry type chilling except acid tower remove sour gas;
9) secondary whirlwind: by completing steps 8) waste gas, by the process of secondary cyclone, demist and dedusting are carried out to waste gas, form spiral air flow simultaneously;
10) active carbon dusts: by completing steps 9) waste gas, by the process of active carbon dusting device, spray into active carbon powder and mix with the waste gas of spiral air flow, remove bioxin and heavy metal in waste gas;
11) bag-type dust: by completing steps 10) waste gas and active carbon powder, by sack cleaner process, active carbon powder is adsorbed in the filter material surface of sack cleaner, continues to remove bioxin and heavy metal in waste gas;
12) discharge: by completing steps 11) cleaning of off-gas, form negative pressure by air-introduced machine, be directly discharged in air through chimney.
7. a kind of garbage incineration method according to claim 6, is characterized in that the flying dust after described step 11) bag-type dust, returns to incinerator carry out second-time burning by pipeline.
CN201510148015.7A 2015-04-01 2015-04-01 Garbage incineration device and incineration method thereof Pending CN104728848A (en)

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Application Number Priority Date Filing Date Title
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104998511A (en) * 2015-08-12 2015-10-28 江门市瑞蓝天宇环保设备科技有限公司 Tail gas purification and environmental protection treatment system of cremator
CN110878943A (en) * 2019-11-28 2020-03-13 宜昌江峡船用机械有限责任公司 Garbage incineration system and efficient incineration control method
CN113494713A (en) * 2020-04-03 2021-10-12 新疆贝肯能源环保有限公司 Medical waste pyrolysis incineration treatment system and treatment method

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104998511A (en) * 2015-08-12 2015-10-28 江门市瑞蓝天宇环保设备科技有限公司 Tail gas purification and environmental protection treatment system of cremator
CN110878943A (en) * 2019-11-28 2020-03-13 宜昌江峡船用机械有限责任公司 Garbage incineration system and efficient incineration control method
CN113494713A (en) * 2020-04-03 2021-10-12 新疆贝肯能源环保有限公司 Medical waste pyrolysis incineration treatment system and treatment method

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Application publication date: 20150624