CN109775785A - A kind of high-salt wastewater burns desalting system and its processing method - Google Patents
A kind of high-salt wastewater burns desalting system and its processing method Download PDFInfo
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- CN109775785A CN109775785A CN201711127008.4A CN201711127008A CN109775785A CN 109775785 A CN109775785 A CN 109775785A CN 201711127008 A CN201711127008 A CN 201711127008A CN 109775785 A CN109775785 A CN 109775785A
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- 239000002351 wastewater Substances 0.000 title claims abstract description 33
- 238000011033 desalting Methods 0.000 title claims abstract description 18
- 238000003672 processing method Methods 0.000 title claims abstract description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000003546 flue gas Substances 0.000 claims abstract description 36
- 150000003839 salts Chemical class 0.000 claims abstract description 33
- 230000001706 oxygenating effect Effects 0.000 claims abstract description 31
- 238000002485 combustion reaction Methods 0.000 claims abstract description 28
- 239000007789 gas Substances 0.000 claims abstract description 28
- 239000002918 waste heat Substances 0.000 claims abstract description 24
- 238000011084 recovery Methods 0.000 claims abstract description 20
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 238000010079 rubber tapping Methods 0.000 claims abstract description 12
- 230000008676 import Effects 0.000 claims abstract description 10
- 238000000746 purification Methods 0.000 claims abstract description 10
- 239000003345 natural gas Substances 0.000 claims abstract description 9
- 239000000779 smoke Substances 0.000 claims abstract description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 22
- 229910052760 oxygen Inorganic materials 0.000 claims description 22
- 239000001301 oxygen Substances 0.000 claims description 22
- 239000005416 organic matter Substances 0.000 claims description 7
- 238000010612 desalination reaction Methods 0.000 claims description 6
- 238000004064 recycling Methods 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 4
- 235000019504 cigarettes Nutrition 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 239000000428 dust Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000011819 refractory material Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 239000012267 brine Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000005201 scrubbing Methods 0.000 description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
- 239000007787 solid Chemical class 0.000 description 2
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 239000008234 soft water Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- 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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Landscapes
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
A kind of high-salt wastewater burns desalting system and its processing method, including dry reactor, demineralizer, secondary combustion chamber, waste-heat recovery device and purification tapping equipment, dry reactor air outlet pipeline connects demineralizer, demineralizer air outlet pipeline connects secondary combustion chamber, secondary combustion chamber air outlet pipeline connects waste-heat recovery device, purifying tapping equipment includes smoke exhaust fan, dry reactor includes vertical cylinder, it is opened in the high-salt wastewater import on vertical cylinder top, pressurised atomised device is provided in import, the high-temperature flue gas air inlet being opened in vertical cylinder, the salt outlet of vertical cylinder bottom end, it is opened in the organic gas outlet of the nearly bottom end side wall of vertical cylinder, high-temperature flue gas air inlet is tangentially opened up along vertical cylinder, high-temperature flue gas is set to form the downward flow-disturbing of helical form along vertical cylinder inner wall, high-temperature flue gas air inlet Heating furnace and natural gas combustion engine are connected, is provided with oxygenating air inlet on heating furnace.
Description
Technical field
The present invention relates to high-salt wastewater process fields more particularly to incineration method to handle high-salt wastewater.
Background technique
A large amount of high slat-containing wastewater can inevitably be generated in the industrial production at present, traditional technique is generally contained using burning height
Salt method for waste water is handled, and is had problems in that: 1. brine wastes must be carried out cold after burning using quick cooling method
But, traditional method is all that combination cooling is carried out using a large amount of water, and the water after chilling also needs to drain into sewage treatment plant's progress
Subsequent processing, significantly waste water resource and subsequent treatment process are complicated, and cost of investment is higher；2. during the burning process, burning
Temperature is excessively high to will lead to salt fusing, and the salt of molten can penetrate into the refractory material of incinerator, lead to one layer one of refractory material
Layer delamination damage, shortens the service life of refractory material significantly；3. the thermal energy after burning cannot recycle, energy consumption is high；4. fuse salt and
Other substances can generate insoluble matter in high temperature incineration, can occluding device and system；5. the salt after chilling will become floating dust to periphery
Environment brings serious pollution.Have much room for improvement.
Chinese patent notification number CN2893438Y discloses a kind of organic waste liquid containing salt burning system, belongs to liquid waste processing and section
Energy equipment, including incinerator, deduster, waste heat recovery apparatus, an incinerator furnace roof are equipped with waste liquid import, outlet at bottom pipeline
Cyclone dust collectors are connected, house-bag duster for high temperature is connected in gas outlet at the top of cyclone dust collectors, and the top of house-bag duster for high temperature goes out
Mouth connection secondary incinerator, the gas outlet pipeline of secondary incinerator connect waste heat recovery apparatus, and the salt fines of this incineration system are no longer
Into in the liquid of purification system, reduce the difficulty of purification wastewater treatment, recycles high-temperature flue gas using waste heat recovery apparatus
In heat, substantially increase the thermal efficiency of incinerator.Its technical solution removes a large amount of precipitation salt by once burning, and then leads to
Dust-extraction unit removal saliferous dust is crossed, is burned again subsequently into secondary incinerator, system concept is correct, but it can not be right
The temperature of the high-temperature flue gas of entrance is controlled, and the oxygen concentration in flue gas is also unable to control, and is caused it that salt is precipitated and is easy shape
At molten, cannot be introduced into subsequent cleaner at all and be dusted, and its incinerator burn after flue gas its analysis
Salt is dusted together with organic gas into dust-extraction unit out, dust-extraction unit at all can not load so big salt content, contain
The dust particles of salt can not be separated and be discharged, and cause secondary incinerator still to generate problem of the prior art, have much room for improvement.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of system is simple, but solid-state can be precipitated in high efficiency early period
Simultaneously the subsequent burning difficulty of reduction is discharged in salt, and solid salt eduction rate is up to 99%, greatly prolongs the service life of equipment, is suitble to industry
The high-salt wastewater for changing application burns desalting system and its processing method.
Purpose to realize the present invention provides a kind of following technical scheme: 1. high-salt wastewater burning desalting systems, including dry
Dry reactor, demineralizer, secondary combustion chamber, waste-heat recovery device and purification tapping equipment, dry reactor air outlet pipe
Road connects demineralizer, and demineralizer air outlet pipeline connects secondary combustion chamber, and secondary combustion chamber air outlet pipeline connects waste heat
Recyclable device, whole system are sealing structure, and purification tapping equipment includes smoke exhaust fan, and whole system is evacuated negative pressure shape
State, it is characterised in that dry reactor includes vertical cylinder, the high-salt wastewater import for being opened in vertical cylinder top, is set in import
It is equipped with pressurised atomised device, the salt outlet of the high-temperature flue gas air inlet, vertical cylinder bottom end that are opened in vertical cylinder is opened in
The organic gas of the nearly bottom end side wall of vertical cylinder exports, and high-temperature flue gas air inlet connects heating furnace and natural gas combustion engine, heating
Oxygenating air inlet is provided on furnace；Waste-heat recovery device includes the air heat exchanger connecting with secondary combustion chamber air outlet pipeline,
Air heat exchanger air intlet connects oxygenating blower, and air heat exchanger air outlet slit connects oxygenating pipeline, and the connection of oxygenating pipeline adds
Oxygenating air inlet in hot stove.
Preferably, high-temperature flue gas air inlet is tangentially opened up along vertical cylinder, make high-temperature flue gas along vertical cylinder inner wall shape
Spiral downward flow-disturbing,
Preferably, demineralizer includes cyclone dust collectors, high temperature too cotton deduster.
Preferably, vertical cylinder is set as the gradually smaller multistage of diameter, height is offered on the barrel of every section of cylinder
Warm smoke air inlet.Most preferably, high-temperature flue gas air inlet is around the vertical cylinder center of circle at least provided with one.
Preferably, organic gas outlet connection escape pipe, escape pipe connecting pin are protruded into vertical cylinder, port is close to vertical
Formula body centre.
Preferably, height of the pressurised atomised the bottom of the device apart from nearest high-temperature flue gas air inlet is 300mm ~ 600mm.
Preferably, the height of size diameter section and the range of diameter and between proportionate relationship be 3 to 2.
Purpose to realize the present invention provides a kind of processing method of high-salt wastewater burning desalting system, it is characterised in that
The following steps are included: natural gas combustion engine heats the oxygen-containing air in heating furnace, the oxygen content in air passes through oxygenating
Pipeline carries out oxygenating, makes its oxygen content 28%, and by oxygenating pipeline come oxygen-containing hot wind, make the temperature of its oxygen-containing air
At 650 DEG C ~ 720 DEG C, oxygen-containing air enters being sprayed for dry reactor and high-salt wastewater by high-temperature flue gas air inlet for degree control
After mixing, temperature is controlled at 650 DEG C ~ 720 DEG C, electrodeless to salt out, and is discharged from dry reactor bottom end, and organic gas, which enters, to be removed
Salt device carries out desalination again, and the organic gas after desalination enters secondary combustion chamber and burns, and removes organic matter, removes organic
Gas after matter enters subsequent waste-heat recovery device and purification tapping equipment carries out waste heat recycling and discharge.
Preferably, the oxygen-containing air that the air heat exchanger in waste-heat recovery device is pumped into oxygenating blower preheats,
Preheating temperature is 160 DEG C ~ 200 DEG C.
Fuse salt is led to the problem of burning of the existing technology the invention has the advantages that: the present invention to improve,
Make to be substantially free of inorganic salts into the gas of secondary burning room, electrodeless salt is largely precipitated in dry reactor, passes through control
Temperature and the method for improving oxygenating amount, greatly improve the eduction rate of inorganic salts, and it is made not generate fuse salt, whole system work
Skill is simple, is convenient for industrial application.
Detailed description of the invention
Fig. 1 is the schematic diagram of the embodiment of the present invention 1.
Fig. 2 is the schematic diagram of the embodiment of the present invention 2.
Fig. 3 is the schematic diagram of the embodiment of the present invention 3.
Specific embodiment
Embodiment 1: a kind of high-salt wastewater burning desalting system, including dry reactor 1, demineralizer 2, secondary combustion chamber
3, waste-heat recovery device 4 and purification tapping equipment 5,1 air outlet pipeline of dry reactor connect demineralizer 2, demineralizer 2
Air outlet pipeline connects secondary combustion chamber 3, and 3 air outlet pipeline of secondary combustion chamber connects waste-heat recovery device 4, and whole system is close
Seal structure, purification tapping equipment 5 include smoke exhaust fan 6, whole system are evacuated negative pressure state, dry reactor 1 includes
Vertical cylinder 1.1, the high-salt wastewater import 1.2 for being opened in 1.1 top of vertical cylinder are provided with increasing in high-salt wastewater import 1.2
Atomising device 1.3 is pressed, the salt outlet of high-temperature flue gas air inlet 1.4 in vertical cylinder 1.1,1.1 bottom end of vertical cylinder is opened in
1.5, it is opened in the organic gas outlet 1.6 of the nearly bottom end side wall of vertical cylinder 1.1, high-temperature flue gas air inlet 1.4 connects heating furnace
1.7 and natural gas combustion engine 1.8, oxygenating air inlet 1.7.1 is provided on heating furnace 1.7；Waste-heat recovery device 4 include with it is secondary
The air heat exchanger 10 of 3 air outlet pipeline of combustion chamber connection, 10 air intlet of air heat exchanger connect oxygenating blower 7, and air changes
Hot 10 air outlet slit of device connects oxygenating pipeline 8, and oxygenating pipeline 8 connects the oxygenating air inlet 1.7.1 on heating furnace 1.7.It is pressurized mist
Makeup sets 1.3 as twin device.Natural gas line 11 connects natural gas combustion engine 1.8, and high-salt wastewater pipeline 12 connects
High-salt wastewater import 1.2.
Embodiment 2: referring to embodiment 1, other structures are constant, 1.4 edge of high-temperature flue gas air inlet of the dry reactor 1
Vertical cylinder 1 tangentially opens up, and high-temperature flue gas is made to form the downward flow-disturbing of helical form along 1.1 inner wall of vertical cylinder, and demineralizer 2 wraps
Cyclone dust collectors 2.1, high temperature too cotton deduster 2.2 are included, waste-heat recovery device 4 includes air heat exchanger 10, air heat exchanger 10
It is anxious that air intlet connects oxygenating blower 7, the heat recovery steam generator 4.1 connecting with 10 exhanst gas outlet of air heat exchanger, half dry type
Cold tower 4.2；Purify tapping equipment 5 include mixing reactor 5.1, bag filter 5.2, neutralize scrubbing tower 5.3, smoke exhaust fan 6,
Exhaust tube 5.4 etc..
Embodiment 3, referring to embodiment 2, other structures are constant, and upper section enlarged diameter section 1.1.1 is arranged under in vertical cylinder 1.1
Section reduced diameter section 1.1.2, offers high-temperature flue gas air inlet 1.4, the high-temperature flue gas air inlet on the barrel of every section of cylinder
1.4 are provided with one around every section of 1.1 center of circle of vertical cylinder, and organic gas outlet 1.6 connects escape pipe 9,9 connecting pin of escape pipe
It protrudes into vertical cylinder 1.1, port is close to 1.1 center of vertical cylinder.Pressurised atomised 1.3 bottom end of device is apart from nearest high temperature cigarette
The height of gas air inlet 1.4 is 300mm ~ 600mm.The height of size diameter section (1.1.1,1.1.2) and the range of diameter and
Between proportionate relationship 3 to 2.
Embodiment 4: a kind of high-salt wastewater burns the processing method of desalting system, comprising the following steps: natural gas combustion engine
Oxygen-containing air in 1.8 pairs of heating furnaces 1.7 heats, and the oxygen content in air carries out oxygenating by oxygenating pipeline 8, makes its oxygen
Content is 28%, and by oxygenating pipeline 8 conveying come oxygen-containing hot wind, make its oxygen-containing air temperature control 650 DEG C ~ 720
DEG C, oxygen-containing air by high-temperature flue gas air inlet 1.4 enter dry reactor 1 and high-salt wastewater it is spraying mix after, temperature control
System is electrodeless to salt out at 650 DEG C ~ 720 DEG C, is discharged from 1 bottom end of dry reactor, and organic gas, which enters demineralizer 2, to carry out again
Secondary desalination, the organic gas after desalination enter secondary combustion chamber 3 and burn, and remove organic matter, the gas after removing organic matter
Waste heat recycling and discharge are carried out into subsequent waste-heat recovery device 4 and purification tapping equipment 5, the sky in waste-heat recovery device 4
The oxygen-containing air that gas heat exchanger 6 is pumped into oxygenating blower 7 preheats, and preheating temperature is 160 DEG C ~ 200 DEG C.
Rotary kiln can be separately added, dry reactor 1 is heated by the organic exhaust gas generated after rotary kiln incineration,
Kiln temperature controls between 500 to 700 DEG C, decomposes the organic matter in solid.Inorganic salts go out from 1 bottom end of dry reactor
Salt mouth 1.5 is discharged, and 1 bottom end salt outlet 1.5 of dry reactor connects out salt device, and high temperature organic exhaust gas is mentioned to dry reactor 1
For thermal energy.
Dry reactor 1 has the high-temperature flue gas of heating furnace offer and the brine waste after atomization sufficiently to disturb and reach critical point
Dry reaction, organic salt resolve into carbon monoxide, water, inorganic dust salt.Demineralizer 2 in systems the effect of it is most important.
High temperature too cotton deduster 2.2 is used for the filtering of high-temperature gas, and 1200 DEG C of heatproof, acid-alkali-corrosive-resisting, high temperature strength is high, can mistake
Filter is greater than 1 micron of dust, removal rate >=99.99%.
3 incineration temperature of secondary combustion chamber is controlled at 1150 DEG C, is decomposed organic matter completely, is destroyed removal rate >=99.99% by fire.
(residence time is 2.5 seconds)
1000 DEG C of the flue gas that secondary combustion chamber 3 generates enters heat recovery steam generator 4.3, and heat is for heating soft water generation
The saturated vapor of 1.0Mpa.Flue gas is cooled to 509 DEG C and enters spray quenchers, and flue gas instantaneous cooling is to 190 in quencher
DEG C or so come out, sodium bicarbonate and calcium hydroxide is added using dry type reactor, dioxin is completely removed by bag filter, cigarette
Gas passes through scrubbing tower qualified discharge.Quencher is jacket type, and centre walks flue gas, walks recirculated water in collet, 7% is sprayed in flue gas
The lye of left and right neutralizes flue gas.
The outlet of dual firing chamber is arranged in air preheater, is heated to 160 DEG C of oxygenating air, into dry reactor and returns
Rotary kiln.
Flue gas emission presses GB18484-2001 " dangerous waste incineration contamination control standard ":
Claims (9)
1. a kind of high-salt wastewater burns desalting system, including dry reactor, demineralizer, secondary combustion chamber, waste heat recycling dress
Tapping equipment is set and purifies, dry reactor air outlet pipeline connects demineralizer, demineralizer air outlet pipeline connection two
Secondary combustion chamber, secondary combustion chamber air outlet pipeline connect waste-heat recovery device, and whole system is sealing structure, purify tapping equipment
Including smoke exhaust fan, whole system is evacuated negative pressure state, it is characterised in that dry reactor includes vertical cylinder, opens up
High-salt wastewater import in vertical cylinder top is provided with pressurised atomised device in import, the high temperature being opened in vertical cylinder
Smoke air inlet, vertical cylinder bottom end salt outlet, be opened in the nearly bottom end side wall of vertical cylinder organic gas outlet, high temperature cigarette
Gas air inlet connects heating furnace and natural gas combustion engine, is provided with oxygenating air inlet on heating furnace；Waste-heat recovery device include with
The air heat exchanger of secondary combustion chamber air outlet pipeline connection, air heat exchanger air intlet connect oxygenating blower, air heat-exchange
Device air outlet slit connects oxygenating pipeline, and oxygenating pipeline connects the oxygenating air inlet on heating furnace.
2. a kind of high-salt wastewater according to claim 1 burns desalting system, it is characterised in that high-temperature flue gas air inlet edge
Vertical cylinder tangentially opens up, and high-temperature flue gas is made to form the downward flow-disturbing of helical form along vertical cylinder inner wall,
A kind of high-salt wastewater according to claim 1 burns desalting system, it is characterised in that demineralizer includes that whirlwind removes
Dirt device, high temperature too cotton deduster.
3. a kind of high-salt wastewater according to claim 1 burns desalting system, it is characterised in that vertical cylinder is set as straight
The gradually smaller multistage of diameter offers high-temperature flue gas air inlet on the barrel of every section of cylinder.
4. a kind of high-salt wastewater according to claim 4 burns desalting system, it is characterised in that high-temperature flue gas air inlet encloses
Around the vertical cylinder center of circle at least provided with one.
5. a kind of high-salt wastewater according to claim 1 burns desalting system, it is characterised in that organic gas outlet connection
Escape pipe, escape pipe connecting pin are protruded into vertical cylinder, and port is close to vertical cylinder center.
6. a kind of high-salt wastewater according to claim 1 burns desalting system, it is characterised in that pressurised atomised the bottom of the device
Height apart from nearest high-temperature flue gas air inlet is 300mm ~ 600mm.
7. a kind of high-salt wastewater according to claim 4 burns desalting system, it is characterised in that adjacent size diameter section
Height is than being 3:2.
8. the processing method that a kind of high-salt wastewater as described in claim 1 burns desalting system, it is characterised in that including following
Step: natural gas combustion engine heats the oxygen-containing air in heating furnace, and the oxygen content in air is carried out by oxygenating pipeline
Oxygenating, makes its oxygen content 28%, and by oxygenating pipeline come oxygen-containing hot wind, control the temperature of its oxygen-containing air and exist
650 DEG C ~ 720 DEG C, oxygen-containing air by high-temperature flue gas air inlet enter dry reactor and high-salt wastewater it is spraying mix after,
Temperature control at 650 DEG C ~ 720 DEG C, it is electrodeless to salt out, from dry reactor bottom end be discharged, organic gas enter demineralizer into
Row desalination again, the organic gas after desalination enter secondary combustion chamber and burn, and remove organic matter, the gas after removing organic matter
Body enters subsequent waste-heat recovery device and purification tapping equipment carries out waste heat recycling and discharge.
9. the processing method that a kind of high-salt wastewater as described in claim 1 burns desalting system, it is characterised in that waste heat recycling
The oxygen-containing air that air heat exchanger in device is pumped into oxygenating blower preheats, and preheating temperature is 160 DEG C ~ 200 DEG C.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110631032A (en) * | 2019-09-28 | 2019-12-31 | 江苏朗誉环保设备有限公司 | High-salt organic waste liquid incineration treatment system and method |
| CN113757693A (en) * | 2021-08-09 | 2021-12-07 | 江苏金牛环保工程设备有限公司 | Dry salt secondary heating incineration system for solid-liquid treatment and use method thereof |
| WO2021253865A1 (en) * | 2021-01-15 | 2021-12-23 | 江苏宏牛环保集团有限公司 | Domestic waste percolate concentrated-solution pyrolysis treatment system |
| CN113979507A (en) * | 2021-11-22 | 2022-01-28 | 江苏中圣高科技产业有限公司 | Harmless recycling treatment process and system for high-salt and high-concentration organic wastewater |
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| WO2021253865A1 (en) * | 2021-01-15 | 2021-12-23 | 江苏宏牛环保集团有限公司 | Domestic waste percolate concentrated-solution pyrolysis treatment system |
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