CN1587812A - Destructive gasifying incinerator - Google Patents
Destructive gasifying incinerator Download PDFInfo
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- CN1587812A CN1587812A CN 200410064977 CN200410064977A CN1587812A CN 1587812 A CN1587812 A CN 1587812A CN 200410064977 CN200410064977 CN 200410064977 CN 200410064977 A CN200410064977 A CN 200410064977A CN 1587812 A CN1587812 A CN 1587812A
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Abstract
The invention relates to dry distillation gasification style incinerator belongs to incinerator field, the structure of which mainly adds dry distillation without oxygen device, rotary feeding door and gasification combustion train on the base of reciprocating furnace. Using vertical furnace lines, the incinerator is divided into three zones, according to the function and place of components inside, the under part is solid material combustion zone of, the middle is dry distillation gasification zone, the upper one is gas combustion zone. Dry distillation gasification to the material using heat quantity of the under part, is in the condition without oxygen, and the effective neutralization to harmful gas during the gasification course, wherein the gas created has simple structure and high efficiency, being produced and controlled conveniently, working continuously, low energy cost, good oxidizing effect, pollution unserious, especially suitable for the disposal of dangerous waste and city mud.
Description
Technical field
This patent relates to a kind of incinerator, particularly hazardous waste is carried out the gasifying incinerator of harmless treatment, belongs to the incinerator field.
Background technology
Existing dangerous waste incinerator mainly contains: the type of furnaces such as fixed-bed type dangerous waste incinerator, fluidized bed type dangerous waste incinerator, rotary kiln type dangerous waste incinerator and pyrolysis formula dangerous waste incinerator.
The fixed-bed type dangerous waste incinerator is the stationary furnace grate furnace, this stove is by operation manually handling hazardous waste in service basically, has the furnace temperature instability, low, the weak effect of treatment effeciency, treating tail gas difficulty, seriously polluted, problems such as labor strength is big, operating condition difference.
The fluidized bed type dangerous waste incinerator, the major technique means that this stove is handled hazardous waste are: under a wind action, with the husky class shot-like particle of the choosing formation fluid bed that blows afloat and suspend, be that heat carrier burns the hazardous waste into stove with the fluid bed.Therefore, this stove running temperature is stable, treatment effeciency height, effective.But this kiln gas dustiness height, and to hazardous waste to go into the stove dimensional requirement higher, operating cost is also higher.
The rotary kiln type dangerous waste incinerator, the adaptability of this stove burning disposal hazardous waste is stronger, but the big regulation and control difficulty of this stove inert is big, and power consumption is high, operating cost is high.
Pyrolysis formula dangerous waste incinerator, existing pyrolysis oven all adopt the mode of burning again behind the anoxycausis pyrolytic gasification when handling hazardous waste.Therefore, this stove sufficient combustion is complete, the dustiness of tail gas and pernicious gas content are less, administer easily, operating cost is lower, but this stove can not be realized continuous operation, the energy recovery weak effect, the effect of anoxic gasification is effective not as the anaerobic gasification, and operating environment was relatively poor when prior problem was this stove blowing out cleaning lime-ash.
For being mainly used in the incinerator of handling house refuse, also has the reciprocating fire grate stove, its structure mainly comprises body of heater, reciprocating fire grate, a wind air feed mouth, secondary wind air feed mouth, ignition combustion-supporting machine, preceding chimney arch, back chimney arch, spiral lime-ash gathering machine, spiral mucking machine and air hermetic feeding machine, chimney arch and back chimney arch are located at the top at reciprocating fire grate two ends before described, top between preceding chimney arch and the back chimney arch is the high-temperature flue gas outlet, one time wind air feed mouth is located at the reciprocating fire grate below, secondary wind air feed mouth is located between the preceding chimney arch and back chimney arch of high-temperature flue gas outlet below, ignition combustion-supporting machine is located between wind air feed mouth and the secondary wind air feed mouth, and spiral lime-ash gathering machine and spiral mucking machine are located at the reciprocating fire grate below.During work, material enters into reciprocating fire grate from the air hermetic feeding machine and burns, and the lime-ash after the burning is discharged to the appointed place through lime-ash gathering-device and spiral mucking machine.Since below the reciprocating fire grate and above be respectively equipped with wind air feed mouth and secondary wind air feed mouth, make the material sufficient combustion, high-temperature flue gas outlet both sides because of the reciprocating fire grate top are provided with preceding chimney arch and back chimney arch again, make the high-temperature temperature of reciprocating fire grate top even, help the material burning.This stove and accessory has automatically advantages such as operation, automaticity height and material sufficient combustion continuously, but owing to lack effective measures and the related device that special hazardous waste is carried out pyrolysis and burning, only is applicable to house refuse is burned.
And for example the patent No. is 02200150.6 incinerator patent, adopt the vertical and cylindrical body of heater, the feed arrangement of being made up of airtight feeding machine and revolution distributing device is located at the body of heater top, the pulverizing slag device that is combined by the tower ball-type fire grate of two off-centre and dynamic and static Hubei Province plate is located at burner hearth bottom, establish annular dual firing chamber in the hearth wall, be provided with three layers of roller formula fire grate in the burner hearth, vertical furnace chamber is separated into drying and preheating district, destructive distillation pyrolysis zone and high temperature incineration district from top to bottom.Make it to have the characteristics of efficient burning, can make the organic principle in the rubbish in the reducing atmosphere of anoxic, take place to enter the dual firing chamber's internal combustion that is located at the furnace wall interlayer after pyrolysis forms fuel gas again, help reducing the discharge of toxic and harmful.But its structure is too complicated, and it is too many particularly to be contained in the resistant to elevated temperatures drive disk assembly of high-temperature burner hearth domestic demand, makes and manufactures difficulty, and reliability of operation is affected; And the organic principle in the rubbish is carried out pyrolysis just under anaerobic condition, carry out, can not show a candle to and under anaerobic state, carry out the effective of destructive distillation pyrolysis.
Summary of the invention
The purpose of this patent is in order to overcome the weak point that above-mentioned existing incinerator exists separately, for the burning disposal hazardous waste design a kind of simple and reasonable, manufacture convenience, closed operation continuously, be convenient to, consume energy low, operating cost is low, treatment effeciency height, anaerobic gasify effective, pollute the light destructive gasifying incinerator of administering easily.
The destructive gasifying incinerator of this patent mainly is on the basis of reciprocating grate furnace, set up anaerobic destructive distillation device and gasified combustion apparatus, the heat that produces with material burning on the reciprocal grate becomes behind the fuel gas destructive distillation pyrolysis in oxygen-free environment of organic principle in the material directly in the stove internal combustion, be to heat up in a steamer and add an amount of nertralizer in the pyrolytic process, toxic and harmful is effectively burnt after the neutralization, made light easy improvement of tail gas pollution of discharge.Its structure comprises vertical body of heater, reciprocal grate, a wind air feed mouth, secondary wind air feed mouth, the down-firing combustion-supporting, preceding chimney arch, back chimney arch, spiral lime-ash gathering machine, spiral mucking machine and air hermetic feeding machine, also comprise heat resisting steel housing and the anaerobic destructive distillation device that is used to stir and advance the rotary screw composition of material, rotary feeding gate, the gasified combustion apparatus that tertiary air air feed mouth and last ignition combustion-supporting machine are formed, described reciprocal grate, a wind air feed mouth, secondary wind air feed mouth, ignition combustion-supporting machine, preceding chimney arch, back chimney arch, spiral lime-ash gathering machine and spiral mucking machine are located at the body of heater bottom, the anaerobic destructive distillation device is located at the body of heater middle part, rotary feeding gate is located between anaerobic destructive distillation device and the reciprocal grate, the air hermetic feeding machine is located at the body of heater outside, gasified combustion apparatus is located at upper of furnace body, the top of chimney arch and back chimney arch before heat resisting steel housing wherein is contained in, rotary screw is contained in the bottom in the heat resisting steel housing, the heat resisting steel housing on rotary screw feed end top is provided with charging aperture and is communicated with the discharging opening of air hermetic feeding machine, the heat resisting steel housing of rotary screw discharge end bottom is provided with discharging opening and is communicated with the charging aperture of rotary feeding gate, the discharging opening of rotary feeding gate is communicated with the charging aperture of reciprocal grate, last ignition combustion-supporting machine is located at the exhaust outlet top that the top of heat resisting steel housing is provided with, tertiary air air feed mouth is located at the top of ignition combustion-supporting machine, and the body of heater top is provided with the high-temperature flue gas outlet.
In order to reduce the influence of bottom solid combustion district temperature fluctuation to middle part anaerobic destructive distillation device, help the stable operation of destructive gasifying, can between preceding chimney arch below the heat resisting steel housing and back chimney arch, set up the temperature-sensitive beam made from thermo-sensitive material.
In order to contain harmful gas componant hardly in the high-temperature flue gas that the body of heater top is discharged, can in the heat resisting steel housing, set up nertralizer and add device, this nertralizer adds device and comprises woven hose, spray-hole and thermal sleeve, described woven hose passes body of heater and the heat resisting steel housing is inserted into the interior top of heat resisting steel housing, spray-hole is distributed on the interior woven hose of heat resisting steel housing, thermal sleeve is sleeved on the woven hose, with the thermal sleeve of spray-hole correspondence position on be provided with corresponding aperture.
The destructive gasifying incinerator of this patent adopts the vertical type of furnace, can be divided into three sections in upper, middle and lower by the effect and the different cardinal principles of present position of each several part in the stove.Its underpart is the solid combustion district, adopts the basic structure of reciprocating grate furnace, and the middle part is the anaerobic dry distillation area, and top is the gas combustion district.Because it is charging aperture and the discharging opening and the air insulated of heat resisting steel housing that air hermetic feeding machine and rotary feeding gate can make the anaerobic destructive distillation device, material is stirred in the heat resisting steel housing in the implementation process and heats up rapidly, organic principle is wherein become the gas combustion district burning after-flame that enters top behind the fuel gas from exhaust outlet by destructive distillation in oxygen-free environment, solid behind the destructive gasifying is rotated that screw rod continues to push rotary feeding gate to and fully burn in the solid combustion district that enters bottom after-flame, the heat of high temperature of solid combustion provides required heat energy for destructive gasifying and the gasification back full combustion of gas after-flame on top at middle part, owing in gasification, pernicious gas is implemented effectively neutralization, contain harmful gas componant hardly in the high-temperature flue gas that the body of heater top is discharged, also have the temperature-sensitive beam to have the effect of absorption and release heat simultaneously, make the anaerobic destructive distillation device at middle part be subjected to the influence of solid combustion district temperature fluctuation of bottom very little, help the stable operation of destructive gasifying, because the drive disk assembly in the body of heater seldom, helps long-time running.So that destructive gasifying incinerator of the present invention has is simple and reasonable, manufacture convenience, closed operation continuously, be convenient to, consume energy low, operating cost is low, treatment effeciency height, anaerobic gasify effective, pollute light improvement easily, advantage such as widely applicable is particularly suitable for hazardous waste and municipal sludge are carried out burning disposal.
Description of drawings
Accompanying drawing 1 is the structural representation of a kind of preferred embodiment in this patent;
Accompanying drawing 2 is that the A-A of accompanying drawing 1 is to structural representation;
Accompanying drawing 3 is that the B-B of accompanying drawing 1 is to structural representation;
Among the accompanying drawing 1-3 1 is the air hermetic feeding machine, the 2nd, and tertiary air air feed mouth, the 3rd, tertiary air is responsible for, the 4th, last ignition combustion-supporting machine, the 5th, exhaust outlet, the 6th, the heat resisting steel housing, the 7th, nertralizer adds device, the 8th, rotary screw, the 9th, temperature-sensitive beam, the 10th, preceding chimney arch, the 11st, rotary feeding gate, 12 is wind air feed mouths, the 13rd, spiral mucking machine, the 14th, spiral lime-ash gathering machine, the 15th, reciprocal grate, the 16th, the down-firing combustion-supporting, the 17th, back chimney arch, the 18th, secondary wind air feed mouth, the 19th, secondary wind is responsible for, the 20th, body of heater, the 21st, high-temperature flue gas outlet.
Accompanying drawing 4 is structural representations that the nertralizer in the above-mentioned accompanying drawing adds device.
7-1 among Fig. 4 is a woven hose, and 7-2 is a spray-hole, and 7-3 is a thermal sleeve.
The specific embodiment
Structural representation in conjunction with the preferred embodiments is further described as follows:
Referring to accompanying drawing 1-3, this destructive gasifying incinerator, comprise vertical body of heater 20, reciprocal grate 15, a wind air feed mouth 12, secondary wind air feed mouth 18, down-firing combustion-supporting 16, preceding chimney arch 10, back chimney arch 17, spiral lime-ash gathering machine 14, spiral mucking machine 13 and air hermetic feeding machine 1, also comprise heat resisting steel housing 6 and the anaerobic destructive distillation device that is used to stir and advance rotary screw 8 compositions of material, rotary feeding gate 11, the gasified combustion apparatus that tertiary air air feed mouth 2 and last ignition combustion-supporting machine 4 are formed, described reciprocal grate 15, a wind air feed mouth 12, secondary wind air feed mouth 18, down-firing combustion-supporting 16, preceding chimney arch 10, back chimney arch 17, spiral lime-ash gathering machine 14 and spiral mucking machine 13 are located at the body of heater bottom, the anaerobic destructive distillation device is located at the body of heater middle part, rotary feeding gate 11 is located between anaerobic destructive distillation device and the reciprocal grate, air hermetic feeding machine 1 is located at the body of heater outside, gasified combustion apparatus is located at upper of furnace body, the top of chimney arch 10 and back chimney arch 17 before heat resisting steel housing 6 wherein is contained in, rotary screw 8 is contained in the bottom in the heat resisting steel housing 6, the heat resisting steel housing 6 on rotary screw 8 feed end tops is provided with charging aperture and is communicated with the discharging opening of air hermetic feeding machine 1, the heat resisting steel housing 6 of rotary screw 8 discharge end bottoms is provided with discharging opening and is communicated with the charging aperture of rotary feeding gate 11, the discharging opening of rotary feeding gate 11 is communicated with the charging aperture of reciprocal grate 15, exhaust outlet 5 tops that the top that last ignition combustion-supporting machine 4 is located at heat resisting steel housing 6 is provided with, tertiary air air feed mouth 2 is located at the top of ignition combustion-supporting machine 4, and the body of heater top is provided with high-temperature flue gas outlet 21.Described reciprocal grate is preferably selected the tilting reciprocal grate for use, and rotary screw can be selected one or two or many for use.
In order to reduce the influence of bottom solid combustion district temperature fluctuation to middle part anaerobic destructive distillation device, help the stable operation of destructive gasifying, can between preceding chimney arch 10 below the heat resisting steel housing 6 and back chimney arch 17, set up the temperature-sensitive beam made from thermo-sensitive material 9.Described temperature-sensitive beam 9 can be selected one or two or many for use, and arranged evenly between preceding chimney arch 10 and back chimney arch 17, described thermo-sensitive material can be selected other material of pottery, graphite, quartz or fire-resistant heat conduction for use.
In order to contain harmful gas componant hardly in the high-temperature flue gas that the body of heater top is discharged, can in heat resisting steel housing 6, set up nertralizer and add device 7, this nertralizer adds device 7 and comprises woven hose 7-1, spray-hole 7-3 and thermal sleeve 7-3, its structure is referring to Fig. 4, described woven hose 7-1 passes body of heater 20 and heat resisting steel housing 6 is inserted into the interior top of heat resisting steel housing, spray-hole 7-3 is distributed on the interior woven hose of heat resisting steel housing, thermal sleeve 7-3 is sleeved on the woven hose 7-1, with the thermal sleeve of spray-hole correspondence position on be provided with corresponding aperture.The other end of woven hose 7-1 is connected with the nertralizer infusion pump.Nertralizer can be selected alkaline solution for use.
During operation work, material and hazardous waste can be admitted in the charging aperture of heat resisting steel housing by the air hermetic feeding machine continuously, material is rotated screw rod and stirs intensification rapidly in the implementation process in the heat resisting steel housing, hazardous waste is heated destructive distillation at this, realizes gas solid separation.Organic principle is wherein become fuel gas by destructive distillation in oxygen-free environment, harmful components in the gas are effectively neutralized under the effect of nertralizer, gas after the neutralization enters the gas combustion district of upper of furnace body from the exhaust outlet of heat resisting steel case top, and fully the burning afterburnt discharges under furnace high-temperature and the acting in conjunction at tertiary air.Solid material behind the destructive gasifying is rotated that screw rod continues to push rotary feeding gate to and fully burn in the solid combustion district that enters bottom after-flame, the lime-ash in afterburnt is discharged to the appointed place by the lime-ash gathering-device of being made up of spiral lime-ash gathering machine and spiral mucking machine.The heat of high temperature of solid combustion provides required heat energy for destructive gasifying and the gasification back full combustion of gas after-flame on top at middle part, owing in gasification, pernicious gas is implemented effectively neutralization, contain harmful gas componant hardly in the high-temperature flue gas that the body of heater top is discharged, also has the temperature-sensitive beam action simultaneously, utilize its present position and sensitive characteristic can absorb and release heat, make the destructive gasifying device avoid the influence of solid high temperature incineration district's temperature fluctuation and maintain stable flue-gas temperature, help the stable operation of destructive gasifying.Upper and lower ignition combustion-supporting machine is to carry out that each section temperature is provided with in the necessary combustion-supporting and regulation and control stove during for open stove time igniting and operation, the air supply device of body of heater bottom provides required oxygen for the solid material after-flame that burns on reciprocal grate, the front and back chimney arch of reciprocal grate top is that the smooth combustion of solid material is given security, the high-temperature flue gas supplemental oxygen that secondary wind had produced in the time of both can be to solid combustion, while is also played regulating action to the temperature of anaerobic destructive distillation device, and the gas combustion after-flame that three air supply devices of upper of furnace body are discharged for destructive gasifying provides required oxygen.
Claims (3)
1, a kind of destructive gasifying incinerator, comprise vertical body of heater, reciprocal grate, a wind air feed mouth, secondary wind air feed mouth, the down-firing combustion-supporting, preceding chimney arch, back chimney arch, spiral lime-ash gathering machine, spiral mucking machine and air hermetic feeding machine, it is characterized in that also comprising heat resisting steel housing and the anaerobic destructive distillation device that is used to stir and advance the rotary screw composition of material, rotary feeding gate, the gasified combustion apparatus that tertiary air air feed mouth and last ignition combustion-supporting machine are formed, described reciprocal grate, a wind air feed mouth, secondary wind air feed mouth, the down-firing combustion-supporting, preceding chimney arch, back chimney arch, spiral lime-ash gathering machine and spiral mucking machine are located at the body of heater bottom, the anaerobic destructive distillation device is located at the body of heater middle part, rotary feeding gate is located between anaerobic destructive distillation device and the reciprocal grate, the air hermetic feeding machine is located at the body of heater outside, gasified combustion apparatus is located at upper of furnace body, the top of chimney arch and back chimney arch before heat resisting steel housing wherein is contained in, rotary screw is contained in the bottom in the heat resisting steel housing, the heat resisting steel housing on rotary screw feed end top is provided with charging aperture and is communicated with the discharging opening of air hermetic feeding machine, the heat resisting steel housing of rotary screw discharge end bottom is provided with discharging opening and is communicated with the charging aperture of rotary feeding gate, the discharging opening of rotary feeding gate is communicated with the charging aperture of reciprocal grate, last ignition combustion-supporting machine is located at the exhaust outlet top that the top of heat resisting steel housing is provided with, tertiary air air feed mouth is located at the top of ignition combustion-supporting machine, and the body of heater top is provided with the high-temperature flue gas outlet.
2, destructive gasifying incinerator as claimed in claim 1 is characterized in that also including the temperature-sensitive beam made from thermo-sensitive material, and described temperature-sensitive beam is contained between the preceding chimney arch and back chimney arch of heat resisting steel housing below.
3, destructive gasifying incinerator as claimed in claim 1 or 2, it is characterized in that also comprising that the nertralizer that woven hose, spray-hole and collet are formed adds device, described woven hose passes body of heater and the heat resisting steel housing is inserted into the interior top of heat resisting steel housing, spray-hole is distributed on the interior woven hose of heat resisting steel housing, collet is sleeved on the woven hose, with the collet of spray-hole correspondence position on be provided with corresponding aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410064977 CN1587812A (en) | 2004-10-15 | 2004-10-15 | Destructive gasifying incinerator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410064977 CN1587812A (en) | 2004-10-15 | 2004-10-15 | Destructive gasifying incinerator |
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| Publication Number | Publication Date |
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| CN1587812A true CN1587812A (en) | 2005-03-02 |
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| CN 200410064977 Pending CN1587812A (en) | 2004-10-15 | 2004-10-15 | Destructive gasifying incinerator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900418A (en) * | 2010-08-12 | 2010-12-01 | 广州迪森热能技术股份有限公司 | Organic biomass heat carrier furnace |
| CN110500589A (en) * | 2019-07-26 | 2019-11-26 | 马鞍山致青工业设计有限公司 | A kind of multi-stage crushing formula environment protection garbage incineration device that exhaust gas is recyclable |
| CN112944368A (en) * | 2021-02-26 | 2021-06-11 | 中国科学院广州能源研究所 | Industrial wastewater incineration treatment system and process |
-
2004
- 2004-10-15 CN CN 200410064977 patent/CN1587812A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900418A (en) * | 2010-08-12 | 2010-12-01 | 广州迪森热能技术股份有限公司 | Organic biomass heat carrier furnace |
| CN101900418B (en) * | 2010-08-12 | 2013-01-30 | 广州迪森热能技术股份有限公司 | Organic biomass heat carrier furnace |
| CN110500589A (en) * | 2019-07-26 | 2019-11-26 | 马鞍山致青工业设计有限公司 | A kind of multi-stage crushing formula environment protection garbage incineration device that exhaust gas is recyclable |
| CN110500589B (en) * | 2019-07-26 | 2021-03-23 | 马鞍山致青工业设计有限公司 | Waste gas recyclable multi-stage crushing type environment-friendly waste incineration device |
| CN112944368A (en) * | 2021-02-26 | 2021-06-11 | 中国科学院广州能源研究所 | Industrial wastewater incineration treatment system and process |
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