CN207893761U - A kind of dangerous waste incineration processing system - Google Patents
A kind of dangerous waste incineration processing system Download PDFInfo
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- CN207893761U CN207893761U CN201820245213.4U CN201820245213U CN207893761U CN 207893761 U CN207893761 U CN 207893761U CN 201820245213 U CN201820245213 U CN 201820245213U CN 207893761 U CN207893761 U CN 207893761U
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- rotary kiln
- counter current
- kiln
- processing system
- firing chamber
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Abstract
The utility model provides a kind of dangerous waste incineration processing system, including：Charging gear, the charging gear are configured to for hazardous waste to be sent into the kiln hood of counter current rotary kiln；Counter current rotary kiln, the counter current rotary kiln are configured to pyrolysis hazardous waste and generate pyrolysis gas, and the kiln tail of the counter current rotary kiln is provided with First air entrance, and the pyrolysis gas is discharged from the kiln hood of the counter current rotary kiln；Dual firing chamber, the dual firing chamber are configured to the uncombusted substance that further after-flame is escaped from the counter current rotary kiln kiln hood, and ensure that the polluter generated in combustion process decomposes completely.According to dangerous waste incineration processing system provided by the utility model, by using counter current rotary kiln, so that the pyrolysis gas that burning hazardous waste generates is expelled in dual firing chamber from kiln hood and is used as fuel combustion, a small amount of supplementary energy without supplementary energy or is only needed to can guarantee that dual firing chamber exports 1100 DEG C of temperature, to save the energy, economic benefit is improved.
Description
Technical field
The utility model is related to solid waste burning fields, more particularly to a kind of dangerous waste incineration processing system.
Background technology
With the fast development of China's economy, the yield of hazardous waste sharply increases.In view of its potential environmental risk
With the threat to health, hazardous waste has become one of the great environmental problem that China is facing.Burning can be effective
The poisonous and harmful debirs in waste are destroyed, the volume and quality of waste is reduced, is conducive to the final safe disposal of waste, is
Realize hazardous waste minimizing, innoxious most quick, most effective technology.
Rotary kiln is one and is slightly slanted and the steel hollow cylinder of interior deposited refractory material, be used for earliest cement baking,
The substances such as lime, in the disposition for gradually using hazardous waste later.After hazardous waste enters rotary kiln, with the rotation of rotary kiln
The other end is shifted to from one end, in the process of moving, waste is gradually incinerated, and residue is discharged from bottom, and flue gas enters dual firing chamber.
Auxiliary fuel, which need to be added, in dual firing chamber makes temperature be raised to 1100 DEG C or more, to destroy the harmful components such as dioxin in flue gas.Rotary kiln
The hazardous waste that various different shapes (solid, liquid etc.) can effectively be handled, to the adaptable of hazardous waste, technology at
It is ripe, it is reliable for operation, and operate relatively easy, various dangerous burn in the requirement for feeding, slagging tap etc., can be met very well
It is generally used by industrial quarters.
It is generally to burn the type of furnace, material quilt with downflow type rotary kiln but in the burning process of existing processing hazardous waste
Burning disposal is carried out as fuel, dual firing chamber is to reach national corresponding temperature specifications standard, needs to consume a large amount of auxiliary fuels,
It results in waste of resources.
Therefore, it is necessary to a kind of new dangerous waste incineration processing system be proposed, to solve the above problems.
Utility model content
A series of concept of reduced forms is introduced in utility model content part, this will be in specific embodiment part
Middle further description.The utility model content part of the utility model is not meant to attempt to limit claimed
Technical solution key feature and essential features, do not mean that more attempt determine technical solution claimed guarantor
Protect range.
The utility model provides a kind of dangerous waste incineration processing system, including：
Charging gear, the charging gear are configured to for hazardous waste to be sent into the kiln hood of counter current rotary kiln；
Counter current rotary kiln, the counter current rotary kiln are configured to burn the hazardous waste to generate pyrolysis gas, institute
The kiln tail for stating counter current rotary kiln is provided with First air entrance, and the pyrolysis gas is arranged from the kiln hood of the counter current rotary kiln
Go out；
Dual firing chamber, the dual firing chamber are configured to the uncombusted object that further after-flame is escaped from the counter current rotary kiln kiln hood
Matter, and ensure that the polluter generated in combustion process decomposes completely.
Further, the dangerous waste incineration processing system further includes：
Waste heat boiler, the waste heat boiler are configured to recycle the waste heat of dual firing chamber's exiting flue gas.
Further, the dangerous waste incineration processing system further includes：
Fume treatment unit, the fume treatment unit is configured to handle the flue gas, to reach discharging standards.
Further, the fume treatment unit include chilling tower, dry-process deacidification device, dust-extraction unit, wet method deacidifying device,
Steam heater and chimney.
Further, the chilling tower configuration is that the temperature of the flue gas is made to be reduced to 200 DEG C or less.
Further, the hazardous waste few oxygen burning in the counter current rotary kiln.
Further, the outlet temperature of the dual firing chamber is more than 1100 DEG C.
Further, the dual firing chamber is three sections of designs, to increase the turbulivity of flue gas, flue gas is made to be uniformly mixed.
Further, the uncombusted substance includes carbon granule and uncombusted waste, and the polluter includes dioxin object
Matter.
Make danger by using counter current rotary kiln according to dangerous waste incineration processing system provided by the utility model
Waste enters from kiln hood, and First air enters from kiln tail, burns the pyrolysis gas that hazardous waste generates and is expelled to dual firing chamber from kiln hood
It is middle to be used as fuel combustion, without supplementary energy or only need a small amount of supplementary energy to can guarantee the temperature of dual firing chamber, to saving
The energy improves economic benefit.
Description of the drawings
The following drawings of the utility model is used to understand the utility model in this as the part of the utility model.Attached drawing
In show the embodiments of the present invention and its description, for explaining the device and principle of the utility model.In the accompanying drawings,
Fig. 1 is the structural schematic diagram of the dangerous waste incineration processing system of the utility model.
Attached drawing identifies
1, charging gear 2, counter current rotary kiln 3, dual firing chamber
4, waste heat boiler 5, fume treatment unit 6, chilling tower
7, dry-process deacidification device 8, dust-extraction unit 9, wet method deacidifying device
10, steam heater 11, chimney 12, emergency chimney
13, start burner
Specific implementation mode
In the following description, a large amount of concrete details are given more thoroughly to manage in order to provide to the utility model
Solution.It is, however, obvious to a person skilled in the art that the utility model may not need it is one or more of these thin
It saves and is carried out.In other examples, in order to avoid obscuring with the utility model, for more well known in the art
Technical characteristic is not described.
In order to thoroughly understand the utility model, detailed step will be proposed in following description, to illustrate this practicality
The dangerous waste incineration processing system of novel proposition.Obviously, the execution of the utility model is not limited to those skilled in the art
The specific details that member is familiar with.The preferred embodiment of the utility model is described in detail as follows, however other than these detailed descriptions,
The utility model can also have other embodiment.
It should be understood that when the term " comprising " and/or " including " is used in this specification, indicating described in presence
Feature, entirety, step, operation, element and/or component, but do not preclude the presence or addition of other one or more features, entirety,
Step, operation, element, component and/or combination thereof.
According to dangerous waste incineration processing system provided by the utility model, as shown in Figure 1, including charging gear 1, adverse current
Formula rotary kiln 2, dual firing chamber 3, waste heat boiler 4 and fume treatment unit 5, wherein fume treatment unit 5 includes chilling tower 6, does
Method deacidifying device 7, dust-extraction unit 8, wet method deacidifying device 9, steam heater 10, chimney 11, emergency chimney 12 and startup combustion
Burner.
Charging gear 1 is configured to for hazardous waste to be sent into the kiln hood of counter current rotary kiln 2.
Counter current rotary kiln 2 is configured to burn hazardous waste to generate pyrolysis gas.Unlike downflow type rotary kiln,
The kiln tail of counter current rotary kiln 2 is provided with First air entrance, and hazardous waste enters from kiln hood, and First air (combustion air) is from kiln tail
Into flow direction of the two in kiln is opposite.As an example, hazardous waste enters after counter current rotary kiln 2, in itself weight
It under the action of power and rotary kiln, is moved from kiln hood to kiln tail, kiln tail enters a small amount of First air, and hazardous waste is made to be lacked in rotary kiln
Oxygen burns, and generates pyrolysis gas.In addition, above-mentioned counter current rotary kiln 2 passes through the kiln hood by hazardous waste by counter current rotary kiln 2
It is sent into, First air and the movement of material opposite direction so that the tapping temperature of 2 kiln tail of counter current rotary kiln reduces, and reduces heat
Waste.
Optionally, a certain amount of industrial wastes, the industrial wastes tool can also be sprayed into from the kiln tail of counter current rotary kiln 2
Have certain calorific value, together with hazardous waste in counter current rotary kiln 2 anoxycausis to generate pyrolysis gas.
Further, the kiln tail of counter current rotary kiln 2, which is provided with, starts burner 13, and the startup burner 13 is configured to make
Counter current rotary kiln 2 starts burning when opening stove.
Further, the kiln hood lower part of counter current rotary kiln 2 is additionally provided with flying dust storehouse, to be discharged in counter current rotary kiln 2
Flying dust；The kiln tail lower part of counter current rotary kiln 2 is additionally provided with slag notch, the waste residue in counter current rotary kiln 2 is discharged.
Further, the kiln hood of counter current rotary kiln 2 is provided with Secondary Air entrance, is discharged from the kiln hood of counter current rotary kiln 2
Pyrolysis gas mixing Secondary Air enter dual firing chamber 3 so that flue gas completely burned under excess oxygen.
Dual firing chamber 3 is configured to the uncombusted substance that further after-flame is escaped from the counter current rotary kiln kiln hood, and ensures
The polluter generated in combustion process decomposes completely, wherein the uncombusted substance includes carbon granule and uncombusted waste, described
Polluter includes dioxins materials.As an example, pyrolysis gas that counter current rotary kiln 2 generates is from reverse-flow revolution
The kiln hood of kiln 2 is discharged, into being used as fuel combustion in dual firing chamber 3.Since pyrolysis gas is in anoxic in counter current rotary kiln 2
Environment, mixing Secondary Air enters dual firing chamber 3 after forming oxygen-enriched environment, therefore pyrolysis gas fully burns in dual firing chamber 3, nothing
Supplementary energy need to be added or only need to be added a small amount of auxiliary fuel and can guarantee that the outlet temperature of dual firing chamber 3 is more than 1100 DEG C, from
And the energy has been saved, improve economic benefit.
Further, since the temperature of entire dual firing chamber 3 is complete more than the harmful substances such as 1100 DEG C and uniform and stable , bioxin
Complete to decompose, discharge value is more easily up to standard.
Further, dual firing chamber 3 is designed using three-stage, to increase the turbulivity of flue gas, flue gas is made to be uniformly mixed.
Further, the top of dual firing chamber 3 is connected with emergency chimney 12.When systems are functioning properly, dual firing chamber 3 with it is urgent
Valve between chimney 12 is closed；When generating system such as is unable to operate normally at the emergencies, interlocking configuration can be stood
The valve opened between dual firing chamber 3 and emergency chimney 12 is carved, so that the flue gas in dual firing chamber 3 is discharged in time, avoids that personnel is caused to hinder
It dies and property loss.
Waste heat boiler 4 is configured to the waste heat for the flue gas that recycling dual firing chamber 3 exports.Optionally, waste heat boiler 4 recycles dual firing chamber
The heat of 3 flue gases generated can be used for heating water supply and generate superheated steam, and then drive electrical power generators by steam turbine.
The flue gas being discharged from waste heat boiler 4 is handled through fume treatment unit 5, reaches national corresponding discharge standard heel row
Go out.The fume treatment unit 5 adds including chilling tower 6, dry-process deacidification device 7, dust-extraction unit 8, wet method deacidifying device 9, steam
Hot device 10 and chimney 11.Specifically, the temperature for the flue gas being discharged from waste heat boiler 4 is about 550 DEG C, into chilling tower 6, flue gas
200 DEG C are reduced in 1 second hereinafter, avoiding bioxin synthesis temperature section.Next, flue gas enters dry-process deacidification device
7, as an example, dry-process deacidification device 7 removes HCl, SO in flue gas using sodium bicarbonate as absorbent2Equal sour gas, into
One step is additionally provided with activated carbon in dry-process deacidification device 7, to adsorb sour gas in flue gas and particulate matter Ji bioxin etc..
Next, flue gas enters dust-extraction unit 8, as an example, the dust and particulate matter in flue gas are removed using bag filter.
Next, flue gas enters wet method deacidifying device 9, as an example, wet method deacidifying device 9 using NaOH solution as absorbent, into
One step removes the sour gas in flue gas.Later, flue gas enters steam heater 10, and de- Bai Houjing heat by cigarette to flue gas
Chimney 11 is discharged.
The course of work of dangerous waste incineration processing system provided by the utility model is：Charging gear 1 is by hazardous waste
It is sent into the kiln hood of counter current rotary kiln 2, the kiln tail of counter current rotary kiln 2 enters a small amount of First air, makes hazardous waste reverse-flow
Few oxygen burning in rotary kiln 2, to generate pyrolysis gas；Uncombusted substance (such as pyrolysis gas escaped from counter current rotary kiln kiln hood
Body, carbon granules, uncombusted waste etc.) enter further after-flame in dual firing chamber 3, and ensure that the polluter generated in combustion process is complete
It is complete to decompose, it can guarantee that the exit gas temperature of dual firing chamber 3 is more than it is not necessary that supplementary energy is added or a small amount of supplementary energy is added
1100 DEG C, harmful substance is completely broken down；Pyrolysis gas burn in dual firing chamber 3 generation flue gas enter waste heat boiler 4 progress
After heat recovery, into fume treatment unit 5；In fume treatment unit 5, the temperature being discharged from waste heat boiler 4 is about
550 DEG C of flue gas enters chilling tower, and flue gas is reduced to 200 DEG C hereinafter, then passing sequentially through dry-process deacidification device in 1 second
7, dust-extraction unit 8, wet method deacidifying device 9 are finally added by steam heater 10 with removing the sour gas and particulate matter in flue gas
Through being discharged by chimney 11 after Re Tuobai.
Make danger by using counter current rotary kiln according to dangerous waste incineration processing system provided by the utility model
Waste enters from kiln hood, and First air enters from kiln tail, burns the pyrolysis gas that hazardous waste generates and is expelled to dual firing chamber from kiln hood
It is middle to be used as fuel combustion, without supplementary energy or only need a small amount of supplementary energy to can guarantee the temperature of dual firing chamber, to saving
The energy improves economic benefit.
The utility model is illustrated by above-described embodiment, but it is to be understood that, above-described embodiment is
Purpose for illustrating and illustrating, and be not intended to limit the invention within the scope of described embodiment.In addition ability
Field technique personnel are it is understood that the utility model is not limited to above-described embodiment, and introduction according to the present utility model is also
More kinds of variants and modifications can be made, these variants and modifications all fall within the utility model range claimed with
It is interior.The scope of protection of the utility model is defined by the appended claims and its equivalent scope.
Claims (9)
1. a kind of dangerous waste incineration processing system, which is characterized in that including：
Charging gear, the charging gear are configured to for hazardous waste to be sent into the kiln hood of counter current rotary kiln；
Counter current rotary kiln, the counter current rotary kiln is configured to be pyrolyzed the hazardous waste and generates pyrolysis gas, described inverse
The kiln tail of streaming rotary kiln is provided with First air entrance, and the pyrolysis gas is discharged from the kiln hood of the counter current rotary kiln；
Dual firing chamber, the dual firing chamber are configured to the uncombusted substance that further after-flame is escaped from the counter current rotary kiln kiln hood,
And ensure that the polluter generated in combustion process decomposes completely.
2. dangerous waste incineration processing system as described in claim 1, which is characterized in that further include：
Waste heat boiler, the waste heat boiler are configured to recycle the waste heat of dual firing chamber's exiting flue gas.
3. dangerous waste incineration processing system as described in claim 1, which is characterized in that further include：
Fume treatment unit, the fume treatment unit is configured to handle the flue gas, to reach discharge standard.
4. dangerous waste incineration processing system as claimed in claim 3, which is characterized in that the fume treatment unit includes anxious
Cold tower, dry-process deacidification device, dust-extraction unit, wet method deacidifying device, steam heater and chimney.
5. dangerous waste incineration processing system as claimed in claim 4, which is characterized in that the chilling tower configuration is described to make
The temperature of flue gas is reduced to 200 DEG C or less.
6. dangerous waste incineration processing system as described in claim 1, which is characterized in that the hazardous waste is in the adverse current
Few oxygen burning in formula rotary kiln.
7. dangerous waste incineration processing system as described in claim 1, which is characterized in that the outlet temperature of the dual firing chamber is big
In 1100 DEG C.
8. dangerous waste incineration processing system as described in claim 1, which is characterized in that the dual firing chamber is three sections of designs,
To increase the turbulivity of flue gas, flue gas is made to be uniformly mixed.
9. dangerous waste incineration processing system as described in claim 1, which is characterized in that the uncombusted substance includes carbon granule
And uncombusted waste, the polluter include dioxins materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820245213.4U CN207893761U (en) | 2018-02-09 | 2018-02-09 | A kind of dangerous waste incineration processing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820245213.4U CN207893761U (en) | 2018-02-09 | 2018-02-09 | A kind of dangerous waste incineration processing system |
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| Publication Number | Publication Date |
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| CN207893761U true CN207893761U (en) | 2018-09-21 |
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ID=63542995
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| CN201820245213.4U Active CN207893761U (en) | 2018-02-09 | 2018-02-09 | A kind of dangerous waste incineration processing system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194926A (en) * | 2018-02-09 | 2018-06-22 | 光大环保技术研究院（南京）有限公司 | A kind of dangerous waste incineration processing method and its system |
| CN110986053A (en) * | 2019-11-19 | 2020-04-10 | 江苏中鼎环境工程股份有限公司 | Method for treating high-halogen hazardous waste |
| CN114704833A (en) * | 2022-05-20 | 2022-07-05 | 中冶长天国际工程有限责任公司 | Method and system for cooperatively disposing hazardous waste by using rotary kiln and sintering machine |
-
2018
- 2018-02-09 CN CN201820245213.4U patent/CN207893761U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194926A (en) * | 2018-02-09 | 2018-06-22 | 光大环保技术研究院（南京）有限公司 | A kind of dangerous waste incineration processing method and its system |
| CN110986053A (en) * | 2019-11-19 | 2020-04-10 | 江苏中鼎环境工程股份有限公司 | Method for treating high-halogen hazardous waste |
| CN114704833A (en) * | 2022-05-20 | 2022-07-05 | 中冶长天国际工程有限责任公司 | Method and system for cooperatively disposing hazardous waste by using rotary kiln and sintering machine |
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