CN104359113B - A kind of waste gas, liquid waste incineration system and method - Google Patents
A kind of waste gas, liquid waste incineration system and method Download PDFInfo
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- CN104359113B CN104359113B CN201410611056.0A CN201410611056A CN104359113B CN 104359113 B CN104359113 B CN 104359113B CN 201410611056 A CN201410611056 A CN 201410611056A CN 104359113 B CN104359113 B CN 104359113B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/05—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste oils
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/07—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases in which combustion takes place in the presence of catalytic material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/10—Liquid waste
- F23G2209/102—Waste oil
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/14—Gaseous waste or fumes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Incineration Of Waste (AREA)
Abstract
The invention discloses a kind of waste gas, liquid waste incineration system, this system includes: the oxygen generating plant that is sequentially connected with, local oxygen-enriched air combustion mixing chamber, Burning Room, quadric catalysis Burning Room, air heat exchanger, UTILIZATION OF VESIDUAL HEAT IN and smoke eliminator；Harmful waste gas or the waste liquid of atomization, compressed air carry out burning disposal in being passed through a Burning Room with pure oxygen after mixing in setting ratio in described mixing chamber.Patent of the present invention is the content of local raising oxygen in waste gas, incinerator of waste liquid, accelerates burning velocity and promotes that burning is complete, reduces the flue gas exhaust amount after burning, increases heat utilization ratio；Flue gas after once burning enters quadric catalysis Burning Room and catalyst reaction, and the toxic gas such as the ammonia that will produce after once burning, hydrogen cyanide resolves into N2、H2、CO2, solve fume emission environmental pollution, beneficially energy-saving and emission-reduction.
Description
Technical field
The present invention relates to a kind of waste gas, the energy-efficient treatment equipment of waste liquid environmental protection burning, be related specifically to a kind of waste gas, give up
Liquid CIU and method.
Background technology
China is the emerging nation of high speed development, and the proportion that resource consumption, pollutant emission account for the whole world is increasing.Development
Resource-conserving, environment friendly economy will become the Main way of the national economic development from now on, and it is modern that low-carbon economy becomes China
The prevailing model of rear economic development.
China, in industrial processes, creates a large amount of waste water,waste gas and industrial residue, and wherein most is chemistry disintoxication
Processing with biodegradable mode, most administering method essence are a kind of concentration techniques, the solid after concentration, semisolid, mud
Or liquid, its toxicity is growing on and on.Traditional landfill, pond, earth's surface, discarded stacking method, as final disposal, cause water body
The accidents such as severe contamination occur repeatedly.Therefore incineration treatment method, has many irreplaceable advantages.When burning waste liquid, first
First by Waste liquid atomization, after then mixing, it is passed through high temperature incineration in Burning Room with air.After burning produce flue gas by sedimentation at
Be passed through waste heat boiler after reason and carry out heat recovery, after enter air after the purified process of flue gas after heat recovery.
The burning facility quantity that China is relevant at present is increasing rapidly, the administration of energy conservation of burning disposal, pollutant emission pipe
Reason, safety management problem also become increasingly conspicuous, and carry out the energy-saving and emission-reduction of waste gas, waste fluid burning plant, and tool is of great significance.
Summary of the invention
The research emphasis of energy-saving and emission-reduction at present is by increasing the energy that the number of times of energy exchange reaches the highest more
Reclaim, i.e. make the gas temperature finally discharged the lowest more good；And reduce the research of waste gas discharge also be conceived to eliminate or
Reduce toxic and harmful.And the inventor of this patent is by thinking after great many of experiments and deep thought: burn at waste gas and waste liquid
In processing procedure, non-harmful gas, such as the nitrogen in air, substantially it is not involved in combustion-supporting at burning process, and in atmosphere
Proportion is the highest, so substantial amounts of heat can be taken away when discharging, thus, by suitably reduce nitrogen in air, two
The ratio of the non-combustion-supporting gas such as carbonoxide, thus it is substantially reduced last flue gas discharge rate, and then when reducing liquid waste incineration process
Energy ezpenditure, or improve heat energy organic efficiency.
For solving the problems referred to above, one waste gas of the present invention, liquid waste incineration system include: the oxygen generating plant that is sequentially connected with, office
Portion oxygenation burning mixing chamber, Burning Room, quadric catalysis Burning Room, air heat exchanger, UTILIZATION OF VESIDUAL HEAT IN and smoke eliminator；
Harmful waste gas or the waste liquid of atomization, compressed air are passed through after mixing in setting ratio in described mixing chamber with pure oxygen and once burn
Burn indoor and carry out burning disposal.
Further, described waste gas, liquid waste incineration system include Waste liquid atomization device, and atomising device is with air compression plant even
Connect.
Further, the air intlet of described air heat exchanger is connected with oxygenating blower fan, and the air outlet slit of heat exchanger is by pipe
Road is connected with a Burning Room and quadric catalysis Burning Room.
Further, described UTILIZATION OF VESIDUAL HEAT IN and smoke eliminator include being sequentially connected with waste heat boiler, alkali liquid washing device,
Mist water separator, air-introduced machine and aiutage.
Further, a described Burning Room and/or quadric catalysis Burning Room are provided with spiral dry method slag-tapping system, described spiral shell
The method slag-tapping system of being spin-dried for includes that Water cooling jacket type goes out slag bath and spiral slag remover, and wherein, Water cooling jacket type goes out slag bath and includes connecing
Slag device and water jacket, slag catcher is arranged in water jacket, and the water coolers in water jacket encloses the outer wall of slag catcher；Setting is run through in slag catcher
Having spiral slag remover, it is interior after water jacket cools down that the alkaline residue salt slag that incinerator produces enters slag catcher, by spiral slag remover
Conveying is discharged.
A kind of waste gas, the method for liquid waste incineration, specifically include following steps:
1) waste gas or the waste liquid of atomization, compressed air and oxygen are mixed in mixing chamber, wherein, oxygen and air
Ratio is 1:10-1:25；
2) burning disposal is carried out in mixed gas the Burning Room of input step 1) produced；Temperature: 750-850
DEG C, flue gas is in once indoor second holdup time 1.5-2；
3) by step 2) carry out quadric catalysis burning disposal in the flue gas that produces input quadric catalysis Burning Room；Wherein burn
Temperature is 1100-1150 DEG C of second holdup time 2-4；
4) flue gas that step 3) produces being carried out air heat-exchange process, the flue-gas temperature after heat exchange is 800-850 DEG C；
5) flue gas after heat exchange being processed is passed through waste heat boiler and carries out waste heat recovery, discharges after the most purified process.
When auxiliary fuel addition is constant, compressed air is added the oxygen of 1/25 ~ 1/10 so that air
In oxygen content reach 25-28%, the temperature of Burning Room can improve about 100-200 DEG C, it is possible to additionally incorporate waste liquid waste gas combustion furnace
In air capacity reduce 20 ~ 47.6% the most accordingly, improve heat transfer efficiency in waste gas and waste liquid incinerator after oxygen-enriched burning, meanwhile, by
Reducing in the air capacity participating in burning, the input quantity of the nitrogen in air reduces 20 ~ 47.6% the most accordingly, burns heel row and goes out flue gas
In nitrogen reduce the most in proportion, and then the most corresponding reduction of heat slatterned by fume emission.
Additionally because entering the air capacity minimizing of a Burning Room, CO in flame2With H2The volume by volume concentration of O raises.Flame
Blackness increases the most accordingly.When the oxygen content in secondary combustion air is 25%, CO2Concentration expressed in percentage by volume to bring up to 17% left
The right side, the concentration expressed in percentage by volume of water vapour improves 17% accordingly, due to CO2With H2The concentration of O all increases, and the blackness of flame increases accordingly
Greatly, illustrate that the C in waste gas or waste liquid is fully burned.The toxic gases such as carbon monoxide, nitric oxide and other sour gas
Also corresponding inverse proportion reduces, it is to avoid air causes when liquid waste incineration processes new pollution.
And when in air, the concentration of oxygen is 21%, the blackness of flame calculates 0.210, when in air, the concentration of oxygen is
When 25%, the blackness of flame is calculated as 0.224, the degree of increase about 6.7%, flame to burn waste liquid, the radiant heat transfer of waste gas
The degree that amount improves, through being calculated as 20%, improves the oxygen concentration required for incinerator, the organic matter in incinerator can be made more to hold
Easily ignition, furnace temperature rises, and is more prone to after-flame, fully.Flue dust changes into heat energy in oxygen-enriched.
Further, in described step 1), waste liquid is passed through mixing chamber by mixing with compressed air after high-pressure atomization, compression sky
The design pressure of gas is 0.2-0.3MPa；Every liter of atomization waste liquid uses compressed-air actuated ratio to be 0.5-1Nm3/L；Waste gas passes through
Waste gas nozzle is passed through mixing chamber with air or oxygen after mixing, the pressure design of waste gas nozzle is 1KPa.
Further, the gas used by air heat-exchange process in described step 4) is air, and this air processes it through heat exchange
Rear Burning Room of input and quadric catalysis Burning Room respectively；Inputting two Burning Room Airflow amounts is according to secondary burning room
Online Control for Oxygen Content instrument and oxygenating blower fan do the chain control of frequency conversion so that the oxygen content of secondary burning room controls at 6-
10%。
Further, the catalyst used by the burning of described quadric catalysis is 946 ammonia decomposition catalyzers.
The harmful smoke of residual enters secondary high-temperature Burning Room, and ignition temperature is up to more than 1100 DEG C, and flue gas is urged at secondary
Change more than the 2 seconds time of staying burned, it is ensured that the waste gas and waste liquid entering CIU burns the most thoroughly completely.Through dual firing chamber
Clean-burning high-temperature flue gas sends into flue gas waste heat recovery and flue gas controller.
Further, purified treatment described in step 6) includes that alkali liquid washing, fog separate.
Further, the calorific value of described waste liquid is: 100-10000Kcal/kg, and waste liquid COD concentration is 50000-
2000000mg/l 。
Further, the processing speed of described waste gas or atomization waste liquid is 50-10000kg/h, it is therefore preferable to 50-5000kg/
h。
The content of oxygen is improved in patent of the present invention local in waste gas, incinerator of waste liquid, accelerates burning velocity and rush
Enter to burn completely, reduce the flue gas exhaust amount after burning, increase heat utilization ratio；Flue gas after once burning enters quadric catalysis
Burning Room and catalyst reaction, ammonia, the toxic gas such as hydrogen cyanide that will produce after once burning resolve into N2、H2、CO2, solve cigarette
Gas discharge-ring environment pollution, beneficially energy-saving and emission-reduction.
Accompanying drawing explanation
What Fig. 1-1 was the present invention once burns the structural representation of part；
Fig. 1-2 is the structural representation of quadric catalysis burning part of the present invention；
Fig. 1-3 is the structural representation of UTILIZATION OF VESIDUAL HEAT IN and smoke eliminator；
Fig. 2 is equipment connecting relation and the process method flow chart of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is illustrated.
Embodiment 1
As shown in Figure 1-2, in the present embodiment, a kind of waste gas, liquid waste incineration system include: the oxygen generating plant that is sequentially connected with, office
Portion oxygenation burning mixing chamber, Burning Room, quadric catalysis Burning Room, air heat exchanger, UTILIZATION OF VESIDUAL HEAT IN and smoke eliminator；
Harmful waste gas or the waste liquid of atomization, compressed air are passed through after mixing in setting ratio in described mixing chamber with pure oxygen and once burn
Burn indoor and carry out burning disposal.Waste heat boiler that UTILIZATION OF VESIDUAL HEAT IN and smoke eliminator include being sequentially connected with, alkali liquid washing device,
Mist water separator, air-introduced machine and aiutage.
Waste gas, liquid waste incineration system include Waste liquid atomization device, and atomising device is connected with air compression plant.
The air intlet of air heat exchanger is connected with oxygenating blower fan, and the air outlet slit of heat exchanger is respectively by pipeline and flow
Control valve is connected with a Burning Room and quadric catalysis Burning Room.Control for Oxygen Content instrument it is provided with in quadric catalysis Burning Room.Useless
Gas, liquid waste incineration system include that intelligent controller, controller are connected with oxygen content controller, flow control valve and oxygenating blower fan.
Controller control oxygenating blower fan switch and respectively input two Burning Rooms air mass flow make quadric catalysis Burning Room
Oxygen content controls at 6-10%.
Proved through great many of experiments, control can realize at 6-10% by oxygen content in quadric catalysis Burning Room
Excellent marginal benefit.And on the premise of not promoting oxygen content, control production cost, in the range of reasonably, to lead to simultaneously
Cross and catalyst layer is set in quadric catalysis Burning Room so that be completely decomposed into as harmless point for clean-burning pernicious gas
Son, both have been implemented in combination with two optimums of economy and benefit.
The processing speed of the waste gas of the present embodiment, the waste gas of liquid waste incineration system or atomization waste liquid is 50-10000kg/h,
Optimal processing speed is about 5000kg/h.
It addition, a Burning Room and/or quadric catalysis Burning Room use dry method to slag tap, the salt slag after heat exchange uses spiral to do
Method slag-tapping system discharging.Spiral dry method slag-tapping system includes that Water cooling jacket type goes out slag bath and spiral slag remover, and wherein, water-cooled is pressed from both sides
Shell type goes out slag bath and includes slag catcher and water jacket, and slag catcher is arranged in water jacket, and the water coolers in water jacket encloses the outer wall of slag catcher；
Being provided through spiral slag remover in slag catcher, the alkaline residue salt slag that incinerator produces cools down through water jacket in entering slag catcher
After, the conveying of spiral slag remover discharge.
Embodiment 2
A kind of waste gas, the method for liquid waste incineration, specifically include following steps:
1) waste gas or the waste liquid of atomization, compressed air and oxygen are mixed in mixing chamber, wherein, the ratio of oxygen air
Example is 1:25；Wherein, waste liquid is by being passed through mixing chamber, compressed-air actuated design pressure after mixing with compressed air after high-pressure atomization
For 0.2-0.3MPa；Every liter of atomization waste liquid uses compressed-air actuated ratio to be 0.5-1Nm3/L；If need burning disposal is
Waste gas, then waste gas is passed through mixing chamber by waste gas nozzle after oxygen mix, and the pressure design of waste gas nozzle is 1KPa.
2) burning disposal is carried out in mixed gas the Burning Room of input step 1) produced；Temperature: 750-850
DEG C, flue gas is in once indoor 2 seconds holdup times；
3) by step 2) carry out quadric catalysis burning disposal in the flue gas that produces input quadric catalysis Burning Room；Wherein burn
Temperature is about 3 seconds 1100 DEG C of holdup times；
4) flue gas that step 3) produces being carried out air heat-exchange process, the flue-gas temperature after heat exchange is 800-850 DEG C；Air
Gas used by heat exchange process is air, inputs a Burning Room and quadric catalysis Burning Room after this air heat-exchange respectively；Defeated
Entering two Burning Room Airflow amounts is online Control for Oxygen Content instrument according to secondary burning room and to do frequency conversion chain for oxygenating blower fan
Control so that the oxygen content of two catalytic burnings indoor controls 8%.
5) flue gas after heat exchange being processed is passed through waste heat boiler and carries out waste heat recovery, then separates through alkali liquid washing, fog
Discharge etc. after purified treatment.
The calorific value of the waste liquid in the present embodiment is 100-10000Kcal/kg, and waste liquid COD concentration is 50000-
2000000mg/l 。
It addition, the catalyst used by quadric catalysis burning is 946 ammonia decomposition catalyzers；Design parameter such as following table.
| Sequence number | Project name | Unit | Parameter |
| 1 | Color | Grey black | |
| 2 | Shape | Nest honeybee shape, Raschig ring shape, column | |
| 3 | Size | mm | ∮18×20 |
| 4 | Nickel content | % | 6 |
| 5 | Bulk density | g/ml | 1.2-1.5 |
| 6 | Specific surface area | m2/g | 1-5 |
| 7 | Compression strength | N | 1100 |
| 8 | Resistance to temperature | ℃ | ≥1350 |
What waste gas and waste liquid produced after once burning enters quadric catalysis combustion chamber, the present invention containing the waste gas such as ammonia, hydrogen cyanide
Catalyst heat endurance more preferably, intensity poisoning higher, anti-and anticoking capability more excellent, this catalyst is at 1000-1200 DEG C of ring
Run under border, the ammonia in waste gas, hydrogen cyanide pernicious gas are resolved into: N2、H2、CO2, reaction equation is as follows:
NH3 → 0.5 N2 + 1.5H2
2HCN + 2H2O + O2→ N2 + 5H2 + 2CO2
The harmful smoke of residual enters secondary high-temperature Burning Room, and ignition temperature is up to more than 1100 DEG C, and flue gas is urged at secondary
Change the time of staying of Burning Room more than 2 seconds, it is ensured that the waste gas and waste liquid entering CIU burns the most thoroughly completely.Through big
Amount is it is demonstrated experimentally that the 946 ammonia decomposition catalyzer catalytic effects with above-mentioned parameter are more preferable, and pernicious gas decomposes more thorough.And
And, catalyst is arranged between quadric catalysis Burning Room inner burner and exhanst gas outlet, and the flue gas of discharge is all through this catalysis
Just it is moved out after oxidant layer catalytic decomposition, effectively prevent the leakage of pernicious gas.
Flue gas waste heat recovery and flue gas controller is sent into through the two clean-burning high-temperature flue gas in catalytic burning room.
Step 1) is per kilogram waste gas or waste liquid required air adjusts required sky according to the calorific value of waste gas or waste liquid
Tolerance.If desired for processing high-concentration waste liquid 500kg/h, waste liquid COD concentration is 200000mg/l, calculates waste liquid heat according to formula
Value is 720Kcal/kg, is 2.7Nm according to the calorific value calculation theoretical air requirement of waste liquid3/ kg, auxiliary fuel uses natural gas auxiliary
Burning.Auxiliary air amount (oxygen content of 21%), excess air coefficient is 1.1, and the calorific value of natural gas is: 8400-8600Kcal/
m3, every cubic natural gas burn required for air capacity be: 9.52 m3/m3, exhaust gas volumn 10.5 m of generation3/m3, per kilogram gives up
Liquid burns the supplemental heat of required evaporation about: 1000Kcal/kg, burns the amount of natural gas required for the waste liquid of 500Kg/h about:
500Kg/h ×1000Kcal/kg÷8600Kcal/m3=59.52m3；The waste liquid additional natural gas burning 500Kg/h burns required
The air capacity is wanted to be: 9.52 m3/m3×59.52m3×1.1=623.3m3/h；The waste liquid additional natural gas burning 500Kg/h burns
Generation exhaust gas volumn is: 10.5 m3/m3×59.52m3=624.96 m3/h；Air capacity required for 500Kg/h liquid waste incineration: V=
500Kg/h×2.7 Nm3/kg×1.1=1485Nm3/h；
Oxygen amount 21% (air capacity: 623.3Nm in air required for 500Kg/h liquid waste incineration3/h+1485Nm3/h=
2108.3 Nm3/ h), pure oxygen content now: 442.74Nm3/h；When burning 500Kg/h waste liquid, the oxygen content in air is dense
Degree brings up to 25%(pure oxygen amount: 527Nm3/ h) time, required supplementary air capacity 1770.96Nm3/h 。
When burning 500Kg/h waste liquid, the concentration of oxygen content brings up to 25% and decreases air capacity about 16%, enters and burns
The N of room2Amount have dropped 16-20% accordingly, make the total flue gas volume of liquid waste incineration room decline, in auxiliary fuel addition not
Under the state become, when the oxygen content in air reaches 25%, through adjusting, the temperature of Burning Room improves about 100 DEG C, adds useless
Air capacity in liquid waste gas combustion furnace reduces, the thermal efficiency total in improve waste gas and waste liquid incinerator after improving oxygen content.
When auxiliary fuel addition is constant, compressed air is added the oxygen of 1/25 ~ 1/10 so that air
In oxygen content reach 25-28%, the temperature of Burning Room can improve about 100-200 DEG C, it is possible to additionally incorporate waste liquid waste gas combustion furnace
In air capacity reduce 20 ~ 47.6% the most accordingly, improve heat transfer efficiency in waste gas and waste liquid incinerator after oxygen-enriched burning, meanwhile, by
Reducing in the air capacity participating in burning, the input quantity of the nitrogen in air reduces 20 ~ 47.6% the most accordingly, burns heel row and goes out flue gas
In nitrogen reduce the most in proportion, and then the most corresponding reduction of heat slatterned by fume emission.
Inventor finds after great many of experiments and summary, and oxygen and compressed-air actuated proportioning be limit between 1/25 ~ 1/10
Cost is minimum, and marginal benefit is maximum, and when oxygen blending ratio is more than 28%, the security performance of system can be greatly reduced, and production cost
Also can be substantially increased therewith.
Only describe several preferred embodiments of the application above in association with accompanying drawing, but the application is not limited to this, every ability
Territory those of ordinary skill under without departing from spirit herein, any improvement made and/or deformation, belong to the guarantor of the application
Protect scope.
Claims (9)
1. a waste gas, the method for liquid waste incineration, it is characterised in that it specifically includes following steps:
1) waste gas or the waste liquid of atomization, compressed air and oxygen are mixed in mixing chamber, wherein, oxygen and the ratio of air
For 1:10-1:25；
2) burning disposal is carried out in mixed gas the Burning Room of input step 1) produced；Temperature: 750-850 DEG C,
Flue gas is in once indoor second holdup time 1.5-2；
3) by step 2) carry out quadric catalysis burning disposal in the flue gas that produces input quadric catalysis Burning Room；Wherein incineration temperature
For 1100-1150 DEG C of second holdup time 2-4；
4) flue gas that step 3) produces being carried out air heat-exchange process, the flue-gas temperature after heat exchange is 800-850 DEG C；
5) flue gas after heat exchange being processed is passed through waste heat boiler and carries out waste heat recovery, discharges after the most purified process.
2. waste gas, the method for liquid waste incineration as claimed in claim 1, it is characterised in that in described step 1), waste liquid passes through high pressure
Mixing with compressed air after atomization and be passed through mixing chamber, compressed-air actuated design pressure is 0.2-0.3MPa；Every liter of atomization waste liquid makes
It is 0.5-1Nm by compressed-air actuated ratio3/L；Waste gas is passed through mixing chamber after being mixed with air or oxygen by waste gas nozzle, useless
The pressure design of gas blowout nozzle is 1KPa.
3. waste gas, the method for liquid waste incineration as claimed in claim 1, it is characterised in that at the air heat-exchange in described step 4)
Gas used by reason is air, and this air inputs a Burning Room and quadric catalysis Burning Room after heat exchange processes respectively；Defeated
Entering two Burning Room Airflow amounts is online Control for Oxygen Content instrument according to secondary burning room and to do frequency conversion chain for oxygenating blower fan
Control so that the oxygen content of secondary burning room controls at 6-10%.
4. waste gas, the method for liquid waste incineration as claimed in claim 1, it is characterised in that urging used by the burning of described quadric catalysis
Agent is 946 ammonia decomposition catalyzers.
5. waste gas, the method for liquid waste incineration as claimed in claim 1, it is characterised in that purified treatment bag described in described step 5)
Include alkali liquid washing, fog separates.
6. a waste gas, liquid waste incineration system, it is characterised in that comprising: the oxygen generating plant being sequentially connected with, local oxygen-enriched air combustion
Mixing chamber, Burning Room, quadric catalysis Burning Room, air heat exchanger, UTILIZATION OF VESIDUAL HEAT IN and smoke eliminator；Harmful waste gas
Or the waste liquid of atomization, compressed air are carried out in being passed through a Burning Room with pure oxygen after mixing in setting ratio in described mixing chamber
Burning disposal；
Described waste gas, liquid waste incineration system include Waste liquid atomization device, and atomising device is connected with air compression plant.
7. CIU as claimed in claim 6, it is characterised in that the air intlet of described air heat exchanger is with oxygenating blower fan even
Connecing, the air outlet slit of heat exchanger is connected with a described Burning Room and quadric catalysis Burning Room by pipeline.
8. CIU as claimed in claim 6, it is characterised in that described UTILIZATION OF VESIDUAL HEAT IN and smoke eliminator include connecting successively
Waste heat boiler, alkali liquid washing device, mist water separator, air-introduced machine and the aiutage connect.
9. CIU as claimed in claim 6, it is characterised in that a described Burning Room and/or quadric catalysis Burning Room set
Being equipped with spiral dry method slag-tapping system, described spiral dry method slag-tapping system includes that Water cooling jacket type goes out slag bath and spiral slag remover,
Wherein, Water cooling jacket type goes out slag bath and includes slag catcher and water jacket, and slag catcher is arranged in water jacket, and the water coolers in water jacket encloses and connects
The outer wall of slag device；Being provided through spiral slag remover in slag catcher, the alkaline residue salt slag that incinerator produces enters warp in slag catcher
After crossing water jacket cooling, the conveying of spiral slag remover discharge.
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| CN106482131A (en) * | 2015-08-24 | 2017-03-08 | 中石化洛阳工程有限公司 | A kind of wastewater treatment field waste gas processing method |
| CN105423315B (en) * | 2015-11-23 | 2017-10-03 | 翟树军 | Coal chemical industry is vented the recoverying and utilizing method of waste gas |
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