CN205678679U - A kind of have secondary exhaust gas combustion and be dried the solid waste burning system of igniter - Google Patents
A kind of have secondary exhaust gas combustion and be dried the solid waste burning system of igniter Download PDFInfo
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- CN205678679U CN205678679U CN201620579708.1U CN201620579708U CN205678679U CN 205678679 U CN205678679 U CN 205678679U CN 201620579708 U CN201620579708 U CN 201620579708U CN 205678679 U CN205678679 U CN 205678679U
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- exhaust gas
- section
- igniter
- dried
- secondary exhaust
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- Processing Of Solid Wastes (AREA)
Abstract
A kind of have secondary exhaust gas combustion and be dried the solid waste burning system of igniter, and it includes incinerator and exhausting system；Incinerator includes cloth section, dryer section, igniting section, incineration section.Wherein dryer section and igniting section are to be dried igniter by a secondary exhaust gas combustion to realize, it is a cover body form that secondary exhaust gas combustion is dried igniter, cover on above sintered material, device is divided into the secondary exhaust gas combustion drying nest of leading portion and arranges rear-end ignition section, waste gas from incinerator returns in igniter, burn in the case of additional gas fluid fuel, form dual firing chamber, thoroughly being burnt by combustible present in flue gas, the harmful substance such as CO in flue gas, NOx, two English decomposes and is effectively addressed.Material is lighted a fire by the high-temperature gas that burning produces, and waste gas residual heat is dried preheating to prefiring material simultaneously.
Description
Technical field
This utility model belongs to solid waste burning treatment technology, after being specifically related to Ordinary solid waste and dangerous waste incineration
The technology of fume treatment.
Background technology
Solid waste refers to that the mankind, at the solid produced and abandon in life activity and the material of pureed, are called for short solid waste, its
Also the solid particle separated from waste water, waste gas is included.Solid waste source is wide, of a great variety, composition complexity.Solid waste
Harm to human environment, is primarily present as appropriation of land, contaminated soil, polluted-water, atmosphere pollution, affects environmental health
Deng.
Owing to the composition of solid waste is extremely complex, and containing multiple pollutant, such as heavy metal, waste plastics, culled wood etc.,
Burning process can occur many chemical reactions, in the flue gas of generation in addition to excess air, carbon dioxide, possibly together with to human body
Flue gas pollutant with bad environmental.Chemistry according to these pollutant, physical property and to human body and the extent of injury of environment
Difference, is broadly divided into organic pollution, sour gas, heavy metal, the big class of particulate matter 4.
Prior art has the sintering machine using iron and steel metallurgical industry to process solid waste, but conventional sintering machine burning knot exhaust gas volumn
Greatly, often produce 1t sintering deposit and about produce 4000 ~ 6000m3Flue gas, discharge capacity is big, and carries substantial amounts of dust, dioxy in flue gas
Change the pollutant such as sulfur, carbon monoxide.Steel industry fume treatment is mainly with reference to " steel sintering, pelletizing industrial atmosphere are dirty at present
Dye thing discharge standard " GB28662-2012.Only to SO in national standard2, NOx, the discharge such as dust carried out requirement, not to CO
Discharge carry out requirement, actually the CO in sintering flue gas is at concentrations up to (6000 ~ 7000) mg/m3.And use sintering machine to solid
Body refuse, especially hazardous waste burn, and in national standard " dangerous waste incineration Environmental capacity standard " have CO discharge
It is strict with, it is desirable to control at 80mg/m3, in some provincial standards, the concentration of emission of CO then requires at 55mg/m3.Therefore adopt
With sintering machine, solid waste is carried out burning disposal, it is necessary to flue gas is effectively processed, to meet concerned countries standard-required.Mesh
Front current way is that flue gas is carried out individual processing, can effectively control the dust in flue gas, SO2, NOx and other indexs, but
The exhaust gas volumn that this mode processes is big, and the big cost of construction investment is high, and still cannot be carried out a large amount of CO contained in flue gas effectively
Process.
Current another kind of relatively effective way is to use the CO in catalysis burn processing flue gas, but processing cost is still
Height, and the fume treatment DeGrain to high CO concentration.Therefore, it is badly in need of on burning process CO process, by changing
Become technology mode, reduce the CO in flue gas.
Generally burning disposal is provided with two combustor, i.e. one combustion room and dual firing chamber, uses two-stage combustion mode, a combustion room combustion
Burn solid matter, dual firing chamber's burning gases material: solid passes through dry, anaerobism heat under predetermined temperature after entering a combustion room
Solution, after-flame, efficiently controlled the generation of hypertoxic gas (two English)；The produced gas of pyrolysis enters dual firing chamber and fully fires
Burn, effectively processed toxic and harmful.Burn the flue gas produced and then enter dual firing chamber, the harmful substance not burnt in flue gas
Dual firing chamber burns further.Thoroughly decomposing to make not burn material, reach emission request, dual firing chamber is provided with burner
Combustion-supporting, it is configured with the secondary air supply device of uniqueness, to ensure that flue gas is at high temperature fully contacted with oxygen, ensures that flue gas exists simultaneously
Holdup time of dual firing chamber is also adjusted wind supply quantity according to the oxygen content of dual firing chamber's exiting flue gas.In dual firing chamber, temperature controls
1000 ~ 1200 DEG C, and guarantee that the time of staying is more than 2s, make flue gas fully decompose burning in stove, thus reach higher decomposition
Rate.Meanwhile, in flue gas, the dust of big particle diameter falls into and completes primary dedusting bottom dual firing chamber, and the dust dedusting for 40um particle diameter is imitated
Rate is more than 90%.In order to avoid ash-laden gas is directly entered heat exchanger, big particle diameter dust deposits at heat exchanger outer wall, results in blockage.
But the cost of investment directly using dual firing chamber is high, runs difficulty big, considerably increases fixed-end forces and especially endanger
The operating cost that danger refuse processes.
Summary of the invention
The purpose of this utility model is the deficiency existed for existing solid waste fume treatment technology, proposes one and has useless
Gas second-time burning is dried the solid waste burning system of igniter, to reach to burn solid waste directly utilizing incinerator
Burn processing procedure process waste gas simultaneously and effectively utilize the purpose of waste heat, reduce the cost, and effectively purifying smoke.
The technical solution of the utility model is as follows:
The secondary exhaust gas combustion that has that the utility model proposes is dried the solid waste burning system of igniter, is to burn in utilization
During burning device carries out burning disposal to solid waste, last waste gas is returned in igniter, gas in igniter
Form dual firing chamber under the combustion of fluid fuel, again flue gas is burnt, to harmful components CO in flue gas, two English etc.
Processing, while burning light a fire the material below lighter, waste heat is then dried preheating to front end material,
After tail gas out access incineration flue gas system, the flue gas after purification enters air via chimney.
This utility model utilizes sintering machine as the main equipment of process solid waste, igniter carries out transformation and forms two combustions
Room, formation has secondary exhaust gas combustion and is dried the solid waste burning system of igniter, and its concrete structure includes incinerator and takes out
Wind system.Incinerator includes cloth section and the igniting section of front end, is incineration section backward, and end is cooling section.Exhausting system
Fan housing is arranged under igniting section and incineration section.Being provided with dryer section, dryer section and igniting section before igniting section is by one
Secondary exhaust gas combustion is dried igniter and realizes, and it is a cover body form that secondary exhaust gas combustion is dried igniter, covers on burning
Above material, device is divided into the secondary exhaust gas combustion drying nest of leading portion and arranges rear-end ignition section, and ignition part sets up separately
There is exhaust gas inlet, and on cover body, be provided with fuel nozzle, form dual firing chamber, material is dried preheating；The height of cover body by
Exhaust gas inlet is gradually lowered towards the drying and preheating part of front end；The air draft passage of the fan housing under incineration section passes through negative pressure convulsion
Pipeline is connected to secondary exhaust gas combustion and is dried the exhaust gas inlet of igniter after collecting；Fan housing under dryer section and igniting section
Air draft passage is connected to flue gas purification system after being collected by another negative pressure air draft pipeline.
Concrete processing procedure is: returns to secondary exhaust gas combustion at incinerator incineration flue gas and is dried in igniter,
Igniter is formed under the combustion of gaseous fuel dual firing chamber, again the combustible component in flue gas is burnt, and right
The harmful substances such as CO in flue gas, NOx, dust, two English decompose.While burning, the material below lighter is carried out
Igniting, igniter front end material is dried preheating, and material is carried out prefiring.Last tail gas out accesses and burns cigarette
Gas cleaning system, after treatment, passes through smoke stack emission.And the waste gas of cooling section is taken out by the negative pressure air draft pipeline arranged below
Enter sinter machine discharge end dedusting system, discharge after removing dust.
The igniter for sinterer of former metallurgy is transformed by this device, forms dual firing chamber, utilizes fuel combustion to produce
Harmful components in flue gas are processed by high temperature, and the bed of material also can be lighted by the high temperature of generation；Simultaneously by igniting cover before chassis
End extends, and utilizes high-temp waste gas that front end material is dried preheating, material is carried out prefiring.Reduce energy consumption, it is possible to shorten
The duration of ignition of material.
The base structure of the incinerator that this utility model uses is the agglomerating plant that metallurgy sintered industry is ripe, utilizes and burns
The feature that knot machine burning process accumulation of heat is effective, reduces the energy consumption of fixed-end forces process, exists the most poisonous for solid waste flue gas
The particularity of material, transforms former igniter, forms dual firing chamber, and the flue gas returned is carried out advanced treating, generation
The bed of material can be lighted by high temperature, and igniting cover forward end is extended, and front end chassis material can be dried by the preheating of flue gas
Preheating, thoroughly burns combustible present in flue gas, and the high temperature of dual firing chamber is conducive to two English in flue gas to process, and reduces
Flue gas purification system engineering construction investment and running cost, can not only effectively process harmful substance, and not produce new being harmful to
Material.
This utility model has a following remarkable advantage:
(1) add dual firing chamber's igniter and can reduce the harmful substances such as the CO in flue gas, NOx, dust, two English, right
Harmful substance in flue gas carries out front-end processing, alleviates the process load of flue gas purification system.
(2) high-temp waste gas second-time burning is dried igniter is that flue gas provides enough temperature and the time of staying so that
In flue gas, unburned combustible completely burns again, fully decomposes the harmful substance in flue gas, and burnouts unburned in flue gas
Combustible burning thoroughly, harmful substance is effectively processed.
(3) transformation of existing igniter is formed dual firing chamber, both can realize igniting effect can also as dual firing chamber,
Igniting cover forward end is extended simultaneously, the drying and preheating to material can be realized, shorten the duration of ignition of material, improve and burn effect
Rate, reduces igniting heat consumption, reduces solid fuel consumption, and reduce CO generation amount.
(4) native system is applied to fixed-end forces field, in conjunction with solid waste innoxious high temperature incineration apparatus system and flue gas recirculation
Technology, can be substantially reduced the cost of fume treatment, and operating load.
(5) along with environmental requirement increasingly stringent in the future, will be increasingly tighter to the emission request of field of steel metallurgy, this practicality
Novel directly can transform on Sintering Process of Iron Making, be substantially reduced the environmental protection investments to fume treatment.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 and Fig. 3 is front view and the left view that secondary exhaust gas combustion of the present utility model is dried igniter.
Detailed description of the invention
Structure of the present utility model and working method is further illustrated below in conjunction with accompanying drawing.
This utility model is to make use of the most ripe metallurgy sintered production equipment, is transformed on its basis, shape
Become the solid waste burning system with high-temp waste gas second-time burning dryin-up point device as shown in Figure 1, system include incinerator and
Exhausting system etc..Incinerator includes the cloth section 1 of front end, dryer section 2, igniting section 3, is incineration section 4 backward.Wherein dryer section
2 and igniting section 3 be to be dried igniter 6 by a secondary exhaust gas combustion to realize.This secondary exhaust gas combustion is dried igniter 6
It is to be transformed by the lighter of present sintering machine to obtain.It is a cover body form, covers on above burning material, sees Fig. 2 and Fig. 3,
Device is divided into the secondary exhaust gas combustion drying and preheating part 61 of leading portion and arranges rear-end ignition section 62, and ignition section is installed
Lighter 65, arranges exhaust gas inlet 66, and is provided with fuel nozzle 64 on cover body, forms dual firing chamber, is dried material pre-
Heat.The height of cover body is gradually lowered towards the drying and preheating part 61 of front end by exhaust gas inlet 66.The fan housing of exhausting system 7 is arranged
Under igniting section, incineration section and cooling section.Wherein the air draft passage of the fan housing under incineration section passes through negative pressure air draft pipeline
It is connected to secondary exhaust gas combustion after collecting and is dried the exhaust gas inlet of igniter.The negative pressure of the fan housing under dryer section and igniting section
Air draft passage is connected to flue gas purification system 9 by another air draft pipeline after being collected.
Further for realizing burning effect sufficient to waste gas, the waste gas being dried igniter at secondary exhaust gas combustion enters
Mouth 66 is provided with the air inlet 63 in multiple orientation, forms air inlet three-dimensional, uniform, effectively utilizes the preheating in waste gas.Tool
Body, waste gas enters orientation and is divided into main air intake and side air intake.
It addition, fuel nozzle is provided with adjustable many groups, can carry out according to harmful components ratio, temperature conditions in waste gas
Adjust.
The process of fixed-end forces is by native system:
First, by distribution device 5 cloth, the solid waste that need to process expects that on burning chassis 8, chassis is filled by hydraulic pressure in cloth section 1
Put promotion to move to secondary exhaust gas combustion to the right and be dried below igniter 6 (section of igniting).Chassis enters ignition device
Continue after 2min to move towards right, enter incineration section 4.Flue gas after burning is passed through negative pressure exhaust column by the fan housing of exhausting system 7
Road returns to secondary exhaust gas combustion and is dried in igniter 6 after collecting, shape under the combustion of gaseous fuel in igniter
Becoming dual firing chamber, burn flue gas, while burning light a fire the material below lighter, anterior material is entered by waste heat
Row drying and preheating, carries out prefiring to material simultaneously.Last tail gas out enters flue gas purification system and purifies, and it is right to reach successively
Dust, CO, the process of two English, last flue gas qualified discharge.The afterbody of CIU is cooling section, the bed of material of this part
Having burnt the most completely, do not burn the waste gas produced, and is the waste gas of cooling, mainly contains a certain amount of dust, and this part is given up
Gas is then by draught hood and the entrance sinter machine discharge end dedusting device dedusting of negative pressure air draft pipeline of bottom.
Specifically, device secondary exhaust gas combustion is dried igniter and is divided into leading portion secondary exhaust gas combustion drying nest and tail end
Ignition section, waste gas is as follows in the processing procedure of device: (1) waste gas enters after device, the burner noz(zle) of device surrounding exist
Burn under combustion gas effect, the harmful components such as the CO in waste gas are burnt into harmless CO2, simultaneously because exhausted air quantity is relatively big, high temperature
Material can be played desiccation, it is possible to dried material is carried out prefiring by the material do not lighted a fire by waste gas, this part
It is provided with and three-dimensional organizes nozzle more, can be adjusted with exhaust gas constituents content, temperature conditions.Preheating in waste gas is carried out effectively
Utilize.(2) dried material enters into igniting section, and igniting cover is arranged on the tail end of whole device, due to leading portion to material
Having carried out drying and preheating, and achieved prefiring, igniting cover part of fuel consumption is substantially reduced.(3) waste gas mode of entrance is divided into
Main air intake and side air intake, be used for regulating the secondary exhaust gas combustion time of staying.It is provided with in device and organizes burner more, can be according in waste gas
Harmful components ratio situation is adjusted.
Visible, this utility model, by transforming initial point firearm, forms dual firing chamber, and igniting cover extends forward simultaneously.
The high-temperature flue gas that available burning produces is dried preheating to prefiring material, shortens the duration of ignition, reduces igniting heat consumption,
Strengthen ignition results, and solid fuel consumption and the generation of CO that material burns can be reduced.Device can be applicable at solid waste burning
Reason field, it is possible to apply existing Sintering Process of Iron Making, improves gas cleaning effect.This technology waste gas heat utilization efficiency
High, it is not necessary to be separately provided other devices and waste gas residual heat is utilized.
Claims (4)
1. there is secondary exhaust gas combustion and be dried a solid waste burning system for igniter, including incinerator and exhausting system；
Incinerator includes cloth section and the igniting section of front end, is incineration section backward, and the fan housing of exhausting system is arranged on igniting section and burns
Burn under section；It is characterized in that, being provided with dryer section, dryer section and igniting section before igniting section is by a secondary exhaust gas combustion
Dryouting dry igniter to realize, it is a cover body form that secondary exhaust gas combustion is dried igniter, covers on above burning material, dress
Putting and be divided into the secondary exhaust gas combustion drying and preheating part of leading portion and arrange rear-end ignition section, ignition section is provided with waste gas and enters
Mouthful, and on cover body, it is provided with fuel nozzle, form dual firing chamber, material is dried preheating；The height of cover body is by exhaust gas inlet
It is gradually lowered towards the drying and preheating part of front end；The air draft passage of the fan housing under incineration section is collected by negative pressure air draft pipeline
After be connected to secondary exhaust gas combustion and be dried the exhaust gas inlet of igniter；The air draft passage of the fan housing under dryer section and igniting section
It is connected to flue gas purification system after being collected by another negative pressure air draft pipeline.
The most according to claim 1 have secondary exhaust gas combustion and be dried the solid waste burning system of igniter, and its feature exists
In, described incinerator is that the modification of sintering machine utilizing metallurgy industry forms.
The most according to claim 1 have secondary exhaust gas combustion and be dried the solid waste burning system of igniter, and its feature exists
In, it is dried in the exhaust gas inlet of igniter the air inlet being provided with multiple orientation at secondary exhaust gas combustion, forms solid, uniformly enter
Enter waste gas.
The most according to claim 1 have secondary exhaust gas combustion and be dried the solid waste burning system of igniter, and its feature exists
In, described fuel nozzle is provided with adjustable many groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620579708.1U CN205678679U (en) | 2016-06-15 | 2016-06-15 | A kind of have secondary exhaust gas combustion and be dried the solid waste burning system of igniter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620579708.1U CN205678679U (en) | 2016-06-15 | 2016-06-15 | A kind of have secondary exhaust gas combustion and be dried the solid waste burning system of igniter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205678679U true CN205678679U (en) | 2016-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620579708.1U Withdrawn - After Issue CN205678679U (en) | 2016-06-15 | 2016-06-15 | A kind of have secondary exhaust gas combustion and be dried the solid waste burning system of igniter |
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|---|---|
| CN (1) | CN205678679U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910111A (en) * | 2016-06-15 | 2016-08-31 | 重庆盎瑞悦科技有限公司 | Solid waste incineration system with exhaust gas secondary combustion drying ignition device and treatment method thereof |
| CN107314677A (en) * | 2017-08-10 | 2017-11-03 | 武汉钢铁有限公司 | NOx abatement system based on dry pack igniting sintering |
| CN108386848A (en) * | 2018-01-29 | 2018-08-10 | 兴义市点石文化传播有限责任公司 | A kind of cable manufacturing tail gas treatment device |
-
2016
- 2016-06-15 CN CN201620579708.1U patent/CN205678679U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910111A (en) * | 2016-06-15 | 2016-08-31 | 重庆盎瑞悦科技有限公司 | Solid waste incineration system with exhaust gas secondary combustion drying ignition device and treatment method thereof |
| CN105910111B (en) * | 2016-06-15 | 2018-01-16 | 重庆盎瑞悦科技有限公司 | A kind of solid waste burning system and processing method that igniter is dried with secondary exhaust gas combustion |
| CN107314677A (en) * | 2017-08-10 | 2017-11-03 | 武汉钢铁有限公司 | NOx abatement system based on dry pack igniting sintering |
| CN107314677B (en) * | 2017-08-10 | 2019-04-30 | 武汉钢铁有限公司 | NOx abatement system based on dry pack ignition sintering |
| CN108386848A (en) * | 2018-01-29 | 2018-08-10 | 兴义市点石文化传播有限责任公司 | A kind of cable manufacturing tail gas treatment device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161109 Effective date of abandoning: 20180116 |