CN109210551A - A kind of low concentration sodium salt organic waste liquid burning furnace, incineration system and burning process - Google Patents
A kind of low concentration sodium salt organic waste liquid burning furnace, incineration system and burning process Download PDFInfo
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- CN109210551A CN109210551A CN201811189279.7A CN201811189279A CN109210551A CN 109210551 A CN109210551 A CN 109210551A CN 201811189279 A CN201811189279 A CN 201811189279A CN 109210551 A CN109210551 A CN 109210551A
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- Prior art keywords
- burning
- evaporator
- sodium
- gas
- flue gas
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Links
- 238000000034 method Methods 0.000 title claims abstract description 29
- 159000000000 sodium salts Chemical class 0.000 title claims abstract description 28
- 239000007788 liquid Substances 0.000 title claims abstract description 22
- 230000008569 process Effects 0.000 title claims abstract description 17
- 239000010815 organic waste Substances 0.000 title claims abstract description 15
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 66
- PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 claims abstract description 52
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 47
- 239000003546 flue gas Substances 0.000 claims abstract description 47
- 239000002245 particle Substances 0.000 claims abstract description 45
- 239000007787 solid Substances 0.000 claims abstract description 43
- 239000010808 liquid waste Substances 0.000 claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 33
- 239000007789 gas Substances 0.000 claims abstract description 28
- 238000000926 separation method Methods 0.000 claims abstract description 21
- 239000012716 precipitator Substances 0.000 claims abstract description 18
- 239000004071 soot Substances 0.000 claims abstract description 15
- 239000002699 waste material Substances 0.000 claims abstract description 15
- 230000007704 transition Effects 0.000 claims abstract description 12
- 238000004062 sedimentation Methods 0.000 claims abstract description 9
- 239000006227 byproduct Substances 0.000 claims abstract description 8
- 238000002309 gasification Methods 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 230000008859 change Effects 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 7
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 6
- 239000000446 fuel Substances 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 6
- 229910052708 sodium Inorganic materials 0.000 claims description 6
- 239000011734 sodium Substances 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- 238000000889 atomisation Methods 0.000 claims description 5
- 239000013589 supplement Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- WJEIYVAPNMUNIU-UHFFFAOYSA-N [Na].OC(O)=O Chemical compound [Na].OC(O)=O WJEIYVAPNMUNIU-UHFFFAOYSA-N 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000000354 decomposition reaction Methods 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 claims description 3
- 150000002978 peroxides Chemical class 0.000 claims description 3
- 239000000047 product Substances 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- 230000035807 sensation Effects 0.000 claims description 3
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims description 3
- 229910001948 sodium oxide Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000000153 supplemental effect Effects 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 238000001704 evaporation Methods 0.000 claims 1
- 230000008020 evaporation Effects 0.000 claims 1
- 239000002918 waste heat Substances 0.000 abstract description 6
- 238000004064 recycling Methods 0.000 abstract description 5
- 238000010348 incorporation Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 235000015424 sodium Nutrition 0.000 description 5
- 238000010791 quenching Methods 0.000 description 4
- 235000019504 cigarettes Nutrition 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 206010037660 Pyrexia Diseases 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007353 oxidative pyrolysis Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 150000003839 salts Chemical group 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009469 supplementation Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- 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
- F23G7/04—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste liquors, e.g. sulfite liquors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
- F23J15/025—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/04—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J3/00—Removing solid residues from passages or chambers beyond the fire, e.g. from flues by soot blowers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2204/00—Supplementary heating arrangements
- F23G2204/10—Supplementary heating arrangements using auxiliary fuel
-
- 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
- F23G2209/101—Waste liquor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2217/00—Intercepting solids
- F23J2217/10—Intercepting solids by filters
- F23J2217/102—Intercepting solids by filters electrostatic
-
- 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
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
Abstract
The present invention relates to a kind of low concentration sodium salt organic waste liquid burning furnaces, including burner, vertical tipburn Burning Room, First Transition section, gas solid separation expansion chamber, Π shape convection cell.The invention further relates to the incineration system including aforementioned incinerator, further include waste drains pump, gasifier, electric precipitator, air-introduced machine, chimney and drum, and incinerator is exported by incineration flue gas and is sequentially connected with electric precipitator, air-introduced machine and chimney.The invention also includes the burning process using aforementioned incineration system.The present invention will utilize most water and light component organic liquid waste in the self-produced superheated steam gasification organic liquid waste of incineration flue gas, fused solution deslagging (sodium peroxide), sodium peroxide conversion sodium carbonate, gas-solid sedimentation separation, solid particle are disappeared the technological incorporation such as kinetic energy sedimentation separation, equipment (soot blower) deashing, artificial snaking, extend the equipment checking maintenance period, the sodium salt incineration treatment method for the economical recycling waste heat byproduct steam for being unable to stable operation originally is made to become possible.
Description
Technical field
The present invention relates to fine chemistry industry and petrochemical industry, in particular to a kind of low concentration sodium salt organic waste liquid burning
Furnace, incineration system and burning process.
Background technique
Burning is that chemical plant handles toxic, harmful waste effective means, and it is anti-to burn the oxidative pyrolysis reacted be under high temperature
It answers.Incineration treatment technology require burn reaction generate high-temperature gas must be quickly cooled down (Quench) to avoid burn back reaction and
The generation of side reaction.The method of Quench generally takes water Quench and waste heat boiler to be quickly cooled down two methods.It is small to amount of waste
Incinerator, the method for generally taking water spray Quench reprocess waste water;The incinerator bigger to waste throughput, generally
The method for being quickly cooled down byproduct steam using waste heat boiler improves the economy of incinerator operation.The low organic liquid waste of concentration,
Its burning process requires supplementation with a large amount of fuel, the water in the waste liquid that gasifies, and reaches incineration temperature.
The burning post-processing of the salt bearing liquid wastes bigger to treating capacity is relatively difficult, especially to sodium salt organic liquid waste.Such as
Fruit does not recycle heat, will lose a large amount of thermal energy, substantially reduces the economy of device operation;If recycling heat, produced after burning
Raw carrying molten state, solid-state sodium peroxide and other inorganic sodiums in flue gas will be attached on heat exchange tube wall, be formed " dirty
Dirty layer " reduces heat exchange efficiency, shortens the equipment cycle of operation, or even be unable to run equipment.
Summary of the invention
The purpose of the present invention is being improved and being innovated for disadvantage present in background technique and problem, a kind of warp is provided
Sodium salt incinerator, incineration system and the incineration treatment method for the recycling waste heat byproduct steam that Ji property is good, stability is strong.
The technical scheme is that construct a kind of low concentration sodium salt organic waste liquid burning furnace, including it is burner, vertical
The top of Burning Room is arranged in tipburn Burning Room, First Transition section, gas solid separation expansion chamber, Π shape convection cell, the burner,
Organic liquid waste and steam entry is arranged in Burning Room upper side, corresponding position setting organic liquid waste and water vapour distribution in Burning Room
Device, positioned at the lower section of burner, funnel shaped molten state slag-drip opening, the Π shape convection cell packet is arranged in the bottom of the Burning Room
The first convection section, the second changeover portion, the second convection section are included, a foot i.e. first of the Π shape convection cell is arranged in the expansion chamber
The first dry ash extraction mouth is arranged in the bottom and connection, bottom of convection section, and the side of expansion chamber passes through First Transition section and Burning Room
Side connection, the first evaporator is set in the First Transition section, the second evaporator is set in expansion chamber, the first convection section and
Third evaporator and the 4th evaporator are respectively set in second convection section, wherein third evaporator is located at the top of expansion chamber, and
Plugging is arranged in lower section, and vapor superheater is arranged in the top of Π shape convection cell i.e. the second changeover portion, sets below the 4th evaporator
Boiler water preheater is set, the corresponding position of the third evaporator, steam superheater and boiler water preheater is provided with soot blower,
The second dry ash extraction mouth is arranged in second convection section bottom of Π shape convection cell, and side is arranged incineration flue gas and exports, and is located at boiler water
Below preheater.
The third evaporator and the 4th evaporator is vertical-type evaporator, including several vertical heat exchange sleeves,
Heat exchanger tube, set header, set header are arranged above heat exchange sleeve, and the heat exchange sleeve includes heat exchange sleeve outer tube and its interior
The heat exchange sleeve inner tube in portion, set header include the set header inner tube for covering header outer tube and its inside, all heat exchange sleeves
The top of inner tube, which is connected to, covers header inner tube, bottom opening, and at least four heat exchanger tubes, heat exchanger tube is arranged around each heat exchange sleeve
Top and bottom be respectively communicated with the upper/lower terminal of heat exchange sleeve outer tube, and be connected to set header outer tube and set header
Space between inner tube, described sleeve pipe header inner tube are provided with saturation boiler water inlet, and set header outer tube setting water, vapour go out
Mouthful.
More preferably, it is uniformly arranged six roots of sensation heat exchanger tube around every heat exchange sleeve, heat exchange sleeve is square array distribution.
The incinerator inner wall lays lining.
First Transition section is arranged cold wind and protects water ejector.
Heat exchange sleeve outer tube lower head in third evaporator, the 4th evaporator is connected with tube bank or across tube bank, reduces shake
It is dynamic.
Another technical solution of the invention be construct a kind of low concentration sodium salt organic liquor incineration system, including incinerator,
Waste drains pump, gasifier, electric precipitator, air-introduced machine, chimney and drum, incinerator by incineration flue gas export with electric precipitator, draw
Blower and chimney are sequentially connected;
The gasifier includes organic liquid waste entrance, organic liquid waste outlet and organic exhaust gas outlet, and organic liquid waste outlet connection is burnt
The organic liquid waste and steam entry of furnace are burnt, organic exhaust gas exports the burner of logical waste drains pump connection incinerator;
The drum is arranged in the top of incinerator, and tedge, down-comer are separately connected the first evaporator in incinerator,
Two evaporators, third evaporator, steam superheater, the 4th evaporator and boiler water preheater, steam pipe connect steam superheating
Device, and gasifier, burner, soot blower are connected by steam superheater;
The air-introduced machine provides negative pressure for incinerator, the electric precipitator of its upstream.
The steel structure support that gasifier and drum pass through incinerator.
Yet another aspect of the invention is to construct a kind of low concentration sodium salt organic waste liquid burning process, step packet
It includes:
1. an air-introduced machine is arranged in system, operated under tiny structure;
2. supplement fuel is entered by burner, guarantee when heating and normal operating when Burning Room burns, and drives for incinerator
Safety is affected and provides supplemental heat;
3. low concentration sodium salt organic liquid waste enters gasifier, it is incinerated the superheated steam gasification of flue gas generation;
4. the saturated vapor and light component organic liquid waste even gas distribution that generate in gasifier enter having reached for tiny structure and burn
The Burning Room for burning temperature burns;
5. the organic liquid waste being concentrated in gasifier is pumped to burner by waste liquid, after self-produced superheated steam atomization
It is burned into the Burning Room for having reached incineration temperature;
6. incineration temperature is much higher than sodium peroxide fusing point, the inorganic sodium of the generation after burning is made to be completely converted into the mistake of molten state
Sodium oxide molybdena;
7. top spray enters furnace after organic liquid waste atomization, make the sodium peroxide drop even dispersion for burning the molten state generated after burning
High-temperature gas in;Top spray air-flow (drop containing sodium peroxide) is identical with gravity direction, is conducive to gas-liquid separation, avoids droplets from winged
Splash inboard wall of furnace body;
8. changing airflow direction, gas is discharged from Burning Room side wall, realizes sodium peroxide drop and the gas separation of molten state;
The sodium peroxide drop of molten state is in Burning Room bottom collection, gravity flow discharge Burning Room;
9. the flue gas (containing molten state sodium peroxide drop) of Burning Room discharge matches air cooling, water-spraying control simultaneously provides reaction item
Part is brought down below flue-gas temperature the fusing point and decomposition temperature of sodium carbonate, and molten state sodium peroxide drop is promoted as often as possible to turn
Sodium carbonate solid particle is turned to, then is further cooled down by the first evaporator;
10. flue gas (particle containing solid sodium carbonate and unconverted sodium peroxide drop) enters expansion chamber, flue gas (contains solid carbonic acid
Sodium particle and unconverted sodium peroxide drop) reduction of speed, the second evaporator are cooling (particle containing solid sodium carbonate and does not turn to flue gas
The sodium peroxide drop of change) further cool down (the sodium peroxide drop for being not converted into sodium carbonate is made to be fully converted to solid-state) drop
Plugging is arranged in speed, top of settling chamber, reduces solid particle kinetic energy, further gas solid separation;Sodium carbonate and peroxide after separation
Change sodium solid particle to be discharged from expansion chamber, expansion chamber pipe row is designed as can repairing and Quick replacing structure;
The flue gas (particle containing solid sodium carbonate and sodium peroxide particle) of expansion chamber enters Π shape convection cell out, is steamed by third
Power transmission dedusting after device, steam superheater, the 4th evaporator, boiler water preheater cool down is sent out, soot blower, manhole is arranged in convection cell,
Third evaporator, steam superheater, the 4th vertical comb of evaporator, steam superheater square comb, with soot blower or manually
Product is removed in the dry ash (solid sodium carbonate particle and sodium peroxide particle) of heat exchange pipe surface, the dry ash a part blown down is from sedimentation
Room discharge, a part are discharged from the second convection cell bottom, and another part enters electric precipitator with flue gas;
Flue gas (particle containing solid sodium carbonate and sodium peroxide particle) enters qualified discharge after electric precipitator dedusting, the dirt removed
Electric precipitator is discharged after collecting in (solid sodium carbonate particle and sodium peroxide particle).
Temperature control in one of the embodiments, in burning process is as follows: incineration temperature >=1100 DEG C, cigarette after burning
Gas >=1100 DEG C, air distribution water-spraying control is to 650 ~ 700 DEG C;By-product steam expansion chamber flue-gas temperature is down to 350 ~ 390 DEG C;Flue gas goes out
200 ~ 250 DEG C of convection section temperature.
The advantages of the present invention: the superheated steam gasification organic liquid waste that the present invention will utilize incineration flue gas self-produced
In most water and light component organic liquid waste, fused solution deslagging (sodium peroxide), sodium peroxide convert sodium carbonate, gas-solid
Sedimentation separation, solid particle disappear the technological incorporation such as kinetic energy sedimentation separation, equipment (soot blower) deashing, artificial snaking, extend equipment
The checking maintenance period makes the sodium salt burning disposal side for the economical recycling waste heat byproduct steam for being unable to stable operation originally
Method becomes possible.
Present invention process process is simple, and equipment investment is low, and land occupation saves, and technical process is safe and reliable, and there is no risk
Technique and equipment.
Third evaporator, the 4th evaporator vertical enable water, vapour Natural Circulation, reduce incinerator operation
Expense, unique heat exchanger tube arrangement improve the fever and chills efficiency of unit volume, reduce equipment investment.
Utilize most water and light component organic liquid waste in the self-produced superheated steam gasification organic liquid waste of incineration flue gas, drop
Low incinerator load, and the earth reduce supplement fuel usage amount, substantially increase incinerator equipment investment and device fortune
Capable economy.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment.
Fig. 2 is the heat-exchanging tube bundle component diagram of third evaporator, the 4th evaporator.
Fig. 3 is the heat-exchanging tube bundle layout drawing of third evaporator, the 4th evaporator.
Fig. 4 is the structural schematic diagram of another embodiment.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give preferred embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to this paper institute
The embodiment of description.On the contrary, purpose of providing these embodiments is make it is more thorough and comprehensive to the disclosure.
It should be noted that when element be considered as " setting " on the other element, it can be directly setting or company
Connect on the other element or may be simultaneously present centering elements.
Unless otherwise defined, the skill of all technical and scientific terms and technical field of the invention used herein
The normally understood meaning of art personnel is identical.Term used in the description is intended merely to describe specifically to implement purpose, is not
It is intended to limit the present invention.
Embodiment 1
As shown in Figure 1, a kind of low concentration sodium salt organic waste liquid burning furnace 1, including burner 101, vertical tipburn Burning Room
102, First Transition section 103, gas solid separation expansion chamber 104, Π shape convection cell 105, the burner 101 are arranged in Burning Room
Organic liquid waste and steam entry 106 is arranged in 102 top, 102 upper side of Burning Room, corresponding position setting in Burning Room 102
Organic liquid waste and water vapour distributor 107, positioned at the lower section of burner 101, the bottom setting of the Burning Room 102 is funnel shaped
Molten state slag-drip opening 108, the Π shape convection cell 105 include the first convection section 121, the second changeover portion 115, the second convection section
122, a foot i.e. bottom of the first convection section 121 and the connection of the Π shape convection cell 105, bottom is arranged in the expansion chamber 104
The first dry ash extraction mouth 109 is arranged in portion, and the side of expansion chamber 104 is connected by the side of First Transition section 103 and Burning Room 102
It is logical, the first evaporator 110 is set in the First Transition section 103, second evaporator 111, the first convection current are set in expansion chamber 104
Third evaporator 112 and the 4th evaporator 113 is respectively set in section 121 and the second convection section 122, wherein third evaporator 112
Positioned at the top of expansion chamber 104, and plugging 114 is arranged in lower section, sets in the top of Π shape convection cell 105 i.e. the second changeover portion 115
Vapor superheater 116 is set, boiler water preheater 117, the third evaporator 112, steam is arranged in the lower section of the 4th evaporator 113
The corresponding position of superheater 116 and boiler water preheater 117 is provided with soot blower 118, the second convection section of Π shape convection cell 105
The second dry ash extraction mouth 119 is arranged in 122 bottoms, and side is arranged incineration flue gas and exports 120, is located at 117 lower section of boiler water preheater.
As shown in Figure 2,3, the third evaporator 112 and the 4th evaporator 113 are vertical-type evaporator, if including
Vertical heat exchange sleeve 130, heat exchanger tube 131, set header 132 are done, set header 132 is arranged above heat exchange sleeve 130, institute
The heat exchange sleeve inner tube 134 that heat exchange sleeve 130 includes heat exchange sleeve outer tube 133 and its inside is stated, set header 132 includes casing
The top connection of the set header inner tube 136 of header outer tube 135 and its inside, all heat exchange sleeve inner tubes 134 covers in header
At least four heat exchanger tubes 131, the top and bottom of heat exchanger tube 131 are arranged in pipe 136, bottom opening, each 130 surrounding of heat exchange sleeve
The upper/lower terminal being respectively communicated with inside heat exchange sleeve outer tube 133, and it is connected to set header outer tube 135 and set header inner tube 136
Between space, described sleeve pipe header inner tube 136 is provided with saturation boiler water inlet 137, and set header outer tube setting water, vapour go out
Mouth 138.
More preferably, it is uniformly arranged six roots of sensation heat exchanger tube 131 around every heat exchange sleeve 130, heat exchange sleeve 130 is square array
Distribution.
1 inner wall of incinerator lays lining.
First Transition section 103 is arranged cold wind and protects water ejector.
133 lower head of heat exchange sleeve outer tube in third evaporator 112, the 4th evaporator 113 is with tube bank or across tube bank phase
Even, vibration is reduced.
Embodiment 2
As shown in figure 4, a kind of low concentration sodium salt organic liquor incineration system, including incinerator 1, waste drains pump 2, gasifier 3, electricity remove
Dirt device 4, air-introduced machine 5, chimney 6 and drum 7, incinerator 1 pass through incineration flue gas outlet 120 and electric precipitator 4, air-introduced machine 5 and cigarette
Chimney 6 is sequentially connected;
The gasifier 3 includes organic liquid waste entrance, organic liquid waste outlet and organic exhaust gas outlet, and organic liquid waste outlet connection is burnt
The organic liquid waste and steam entry 106 of furnace 1 are burnt, organic exhaust gas exports the burner 101 that logical waste drains pump 2 connects incinerator 1;
The top of incinerator 1 is arranged in the drum 7, and tedge, down-comer are separately connected the first evaporator in incinerator 1
110, the second evaporator 111, third evaporator 112, steam superheater 116, the 4th evaporator 113 and boiler water preheater 117,
Its steam pipe connects steam superheater 116, and connects gasifier 3, burner 101, soot blower 118 by steam superheater 116;
The air-introduced machine 5 is that incinerator 1, the electric precipitator 4 of its upstream provide negative pressure.
Using incinerator steel structure support gasifier and drum, make compact overall structure, occupied area is small.
Embodiment 3
A kind of low concentration sodium salt organic waste liquid burning process, using incineration system as described in example 2, step includes:
1. an air-introduced machine is arranged in system, operated under tiny structure;
2. supplement fuel is entered by burner 101, heating and normal operating when Burning Room 102 burns, and drives for incinerator 1
When guarantee safety it is affected and provide supplemental heat;
3. low concentration sodium salt organic liquid waste enters gasifier 3, it is incinerated the superheated steam gasification of flue gas generation;
4. the saturated vapor and light component organic liquid waste even gas distribution that generate in gasifier 3 enter having reached for tiny structure and burn
The Burning Room 102 for burning temperature burns;
5. the organic liquid waste being concentrated in gasifier 3 is sent by waste drains pump 2 to burner 101, by self-produced superheated steam mist
Enter the burning of Burning Room 102 for having reached incineration temperature after change;
6. incineration temperature is much higher than sodium peroxide fusing point, the inorganic sodium of the generation after burning is made to be completely converted into the mistake of molten state
Sodium oxide molybdena;
7. top spray enters furnace after organic liquid waste atomization, make the sodium peroxide drop even dispersion for burning the molten state generated after burning
High-temperature gas in;Top spray air-flow (drop containing sodium peroxide) is identical with gravity direction, is conducive to gas-liquid separation, avoids droplets from winged
Splash inboard wall of furnace body;
8. changing airflow direction, gas is discharged from 102 side wall of Burning Room, realizes the sodium peroxide drop and gas point of molten state
From;The sodium peroxide drop of molten state is in 10 bottom collection of Burning Room, gravity flow discharge Burning Room 102;
9. the flue gas (containing molten state sodium peroxide drop) of Burning Room discharge matches air cooling, water-spraying control simultaneously provides reaction item
Part is brought down below flue-gas temperature the fusing point and decomposition temperature of sodium carbonate, and molten state sodium peroxide drop is promoted as often as possible to turn
Sodium carbonate solid particle is turned to, then is further cooled down by the first evaporator;
10. flue gas (particle containing solid sodium carbonate and unconverted sodium peroxide drop) enters expansion chamber, flue gas (contains solid carbonic acid
Sodium particle and unconverted sodium peroxide drop) reduction of speed, the second evaporator are cooling (particle containing solid sodium carbonate and does not turn to flue gas
The sodium peroxide drop of change) further cool down (the sodium peroxide drop for being not converted into sodium carbonate is made to be fully converted to solid-state) drop
Plugging is arranged in speed, top of settling chamber, reduces solid particle kinetic energy, further gas solid separation;Sodium carbonate and peroxide after separation
Change sodium solid particle to be discharged from expansion chamber, expansion chamber pipe row is designed as can repairing and Quick replacing structure;
The flue gas (particle containing solid sodium carbonate and sodium peroxide particle) of expansion chamber enters Π shape convection cell out, is steamed by third
Power transmission dedusting after device, steam superheater, the 4th evaporator, boiler water preheater cool down is sent out, soot blower, manhole is arranged in convection cell,
Third evaporator, steam superheater, the 4th vertical comb of evaporator, steam superheater square comb, with soot blower or manually
Product is removed in the dry ash (solid sodium carbonate particle and sodium peroxide particle) of heat exchange pipe surface, the dry ash a part blown down is from sedimentation
Room discharge, a part are discharged from the second convection cell bottom, and another part enters electric precipitator with flue gas;
Flue gas (particle containing solid sodium carbonate and sodium peroxide particle) enters qualified discharge after electric precipitator dedusting, the dirt removed
Electric precipitator is discharged after collecting in (solid sodium carbonate particle and sodium peroxide particle).
Temperature control in one of the embodiments, in burning process is as follows: incineration temperature >=1100 DEG C, cigarette after burning
Gas >=1100 DEG C, air distribution water-spraying control is to 650 ~ 700 DEG C;By-product steam expansion chamber flue-gas temperature is down to 350 ~ 390 DEG C;Flue gas goes out
200 ~ 250 DEG C of convection section temperature.
The present invention will have using most water in the self-produced superheated steam gasification organic liquid waste of incineration flue gas and light component
Machine waste liquid disappears fused solution deslagging (sodium peroxide), sodium peroxide conversion sodium carbonate, gas-solid sedimentation separation, solid particle
The technological incorporation such as energy sedimentation separation, equipment (soot blower) deashing, artificial snaking, extend the equipment checking maintenance period, and making originally cannot
The sodium salt incineration treatment method of the economical recycling waste heat byproduct steam of stable operation becomes possible.
Present invention process process is simple, and equipment investment is low, and land occupation saves, and technical process is safe and reliable, and there is no risk
Technique and equipment.
Third evaporator, the 4th evaporator vertical enable water, vapour Natural Circulation, reduce incinerator operation
Expense, unique heat exchanger tube arrangement improve the fever and chills efficiency of unit volume, reduce equipment investment.
Utilize most water and light component organic liquid waste in the self-produced superheated steam gasification organic liquid waste of incineration flue gas, drop
Low incinerator load, and the earth reduce supplement fuel usage amount, substantially increase incinerator equipment investment and device fortune
Capable economy.
Embodiment of the present invention is only the description carried out to the preferred embodiment of the present invention, not to the present invention
Conception and scope is defined, and under the premise of not departing from design philosophy of the present invention, engineers and technicians are to this hair in this field
The all variations and modifications that bright technical solution is made should all fall into protection scope of the present invention, the claimed skill of the present invention
Art content, is all described in the claims.
Claims (10)
1. a kind of low concentration sodium salt organic waste liquid burning furnace, it is characterised in that: including burner, vertical tipburn Burning Room,
The top of Burning Room, Burning Room upper side is arranged in one changeover portion, gas solid separation expansion chamber, Π shape convection cell, the burner
Organic liquid waste and steam entry is arranged in face, and corresponding position setting organic liquid waste and water vapour distributor, are located at burning in Burning Room
Funnel shaped molten state slag-drip opening is arranged in the lower section of device, the bottom of the Burning Room, and the Π shape convection cell includes the first convection current
The a foot i.e. bottom of the first convection section of the Π shape convection cell is arranged in section, the second changeover portion, the second convection section, the expansion chamber
Portion is simultaneously connected to, and the first dry ash extraction mouth is arranged in bottom, and the side of expansion chamber is connected to by First Transition section with the side of Burning Room,
First evaporator is set in the First Transition section, the second evaporator, the first convection section and the second convection section are set in expansion chamber
Third evaporator and the 4th evaporator is inside respectively set, wherein third evaporator is located at the top of expansion chamber, and lower section setting is stifled
Pipe, the top of Π shape convection cell i.e. the second changeover portion is interior to be arranged vapor superheater, and the lower section setting boiler water of the 4th evaporator is pre-
Hot device, the corresponding position of the third evaporator, steam superheater and boiler water preheater are provided with soot blower, Π shape convection cell
The second convection section bottom be arranged the second dry ash extraction mouth, side be arranged incineration flue gas export, be located at boiler water preheater below.
2. low concentration sodium salt organic waste liquid burning furnace according to claim 1, it is characterised in that: the third evaporation
Device and the 4th evaporator are vertical-type evaporator, including several vertical heat exchange sleeves, heat exchanger tube, set header, casing collection
Case is arranged above heat exchange sleeve, and the heat exchange sleeve includes the heat exchange sleeve inner tube of heat exchange sleeve outer tube and its inside, casing
Header includes covering the set header inner tube of header outer tube and its inside, the top connection set header of all heat exchange sleeve inner tubes
At least four heat exchanger tubes are arranged around each heat exchange sleeve in inner tube, bottom opening, and the top and bottom of heat exchanger tube, which are respectively communicated with, to be changed
The upper/lower terminal of thermal sleeve outer tube, and be connected to set header outer tube and cover the space between header inner tube, described sleeve pipe
Header inner tube is provided with saturation boiler water inlet, and water, vapor outlet is arranged in set header outer tube.
3. low concentration sodium salt organic waste liquid burning furnace according to claim 2, it is characterised in that: every heat exchange sleeve week
It encloses and is uniformly arranged six roots of sensation heat exchanger tube, heat exchange sleeve is square array distribution.
4. low concentration sodium salt organic waste liquid burning furnace according to claim 1, it is characterised in that: in the incinerator
Wall lays lining.
5. low concentration sodium salt organic waste liquid burning furnace according to claim 1, it is characterised in that: the setting of First Transition section
Cold wind protects water ejector.
6. low concentration sodium salt organic waste liquid burning furnace according to claim 2, it is characterised in that: third evaporator,
Heat exchange sleeve outer tube lower head in four evaporators is connected with tube bank or across tube bank, reduces vibration.
7. a kind of low concentration sodium salt organic liquor incineration system, it is characterised in that: removed including incinerator, waste drains pump, gasifier, electricity
Dirt device, air-introduced machine, chimney and drum, incinerator are exported by incineration flue gas and are sequentially connected with electric precipitator, air-introduced machine and chimney;
The gasifier includes organic liquid waste entrance, organic liquid waste outlet and organic exhaust gas outlet, and organic liquid waste outlet connection is burnt
The organic liquid waste and steam entry of furnace are burnt, organic exhaust gas exports the burner of logical waste drains pump connection incinerator;
The drum is arranged in the top of incinerator, and tedge, down-comer are separately connected the first evaporator in incinerator,
Two evaporators, third evaporator, steam superheater, the 4th evaporator and boiler water preheater, steam pipe connect steam superheating
Device, and gasifier, burner, soot blower are connected by steam superheater;
The air-introduced machine provides negative pressure for incinerator, the electric precipitator of its upstream.
8. low concentration sodium salt organic liquor incineration system according to claim 7, it is characterised in that: gasifier and drum are logical
Cross the steel structure support of incinerator.
9. a kind of low concentration sodium salt organic waste liquid burning process, which is characterized in that step includes:
1. an air-introduced machine is arranged in system, operated under tiny structure;
2. supplement fuel is entered by burner, guarantee when heating and normal operating when Burning Room burns, and drives for incinerator
Safety is affected and provides supplemental heat;
3. low concentration sodium salt organic liquid waste enters gasifier, it is incinerated the superheated steam gasification of flue gas generation;
4. the saturated vapor and light component organic liquid waste even gas distribution that generate in gasifier enter having reached for tiny structure and burn
The Burning Room for burning temperature burns;
5. the organic liquid waste being concentrated in gasifier is pumped to burner by waste liquid, after self-produced superheated steam atomization
It is burned into the Burning Room for having reached incineration temperature;
6. incineration temperature is much higher than sodium peroxide fusing point, the inorganic sodium of the generation after burning is made to be completely converted into the mistake of molten state
Sodium oxide molybdena;
7. top spray enters furnace after organic liquid waste atomization, make the sodium peroxide drop even dispersion for burning the molten state generated after burning
High-temperature gas in;Top spray air-flow (drop containing sodium peroxide) is identical with gravity direction, is conducive to gas-liquid separation, avoids droplets from winged
Splash inboard wall of furnace body;
8. changing airflow direction, gas is discharged from Burning Room side wall, realizes sodium peroxide drop and the gas separation of molten state;
The sodium peroxide drop of molten state is in Burning Room bottom collection, gravity flow discharge Burning Room;
9. the flue gas (containing molten state sodium peroxide drop) of Burning Room discharge matches air cooling, water-spraying control simultaneously provides reaction item
Part is brought down below flue-gas temperature the fusing point and decomposition temperature of sodium carbonate, and molten state sodium peroxide drop is promoted as often as possible to turn
Sodium carbonate solid particle is turned to, then is further cooled down by the first evaporator;
10. flue gas (particle containing solid sodium carbonate and unconverted sodium peroxide drop) enters expansion chamber, flue gas (contains solid carbonic acid
Sodium particle and unconverted sodium peroxide drop) reduction of speed, the second evaporator are cooling (particle containing solid sodium carbonate and does not turn to flue gas
The sodium peroxide drop of change) further cool down (the sodium peroxide drop for being not converted into sodium carbonate is made to be fully converted to solid-state) drop
Plugging is arranged in speed, top of settling chamber, reduces solid particle kinetic energy, further gas solid separation;Sodium carbonate and peroxide after separation
Change sodium solid particle to be discharged from expansion chamber, expansion chamber pipe row is designed as can repairing and Quick replacing structure;
The flue gas (particle containing solid sodium carbonate and sodium peroxide particle) of expansion chamber enters Π shape convection cell out, is steamed by third
Power transmission dedusting after device, steam superheater, the 4th evaporator, boiler water preheater cool down is sent out, soot blower, manhole is arranged in convection cell,
Third evaporator, steam superheater, the 4th vertical comb of evaporator, steam superheater square comb, with soot blower or manually
Product is removed in the dry ash (solid sodium carbonate particle and sodium peroxide particle) of heat exchange pipe surface, the dry ash a part blown down is from sedimentation
Room discharge, a part are discharged from the second convection cell bottom, and another part enters electric precipitator with flue gas;
Flue gas (particle containing solid sodium carbonate and sodium peroxide particle) enters qualified discharge after electric precipitator dedusting, the dirt removed
Electric precipitator is discharged after collecting in (solid sodium carbonate particle and sodium peroxide particle).
10. low concentration sodium salt organic liquor incineration system according to claim 9, it is characterised in that: in burning process
Temperature control is as follows: incineration temperature >=1100 DEG C, flue gas >=1100 DEG C after burning, air distribution water-spraying control is to 650 ~ 700 DEG C;By-product
Steam expansion chamber flue-gas temperature is down to 350 ~ 390 DEG C;Flue gas goes out 200 ~ 250 DEG C of convection section temperature.
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CN111550813A (en) * | 2020-05-12 | 2020-08-18 | 安徽省益农化工有限公司 | Waste liquid incineration equipment for pesticide production |
CN117003226A (en) * | 2023-09-28 | 2023-11-07 | 江苏钠博恩新材料有限公司 | Hard carbon composite material, preparation method and application thereof |
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