CN106734117A - The processing method of Industry Waste sodium acetate slag - Google Patents
The processing method of Industry Waste sodium acetate slag Download PDFInfo
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- CN106734117A CN106734117A CN201710073744.XA CN201710073744A CN106734117A CN 106734117 A CN106734117 A CN 106734117A CN 201710073744 A CN201710073744 A CN 201710073744A CN 106734117 A CN106734117 A CN 106734117A
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- Prior art keywords
- sodium acetate
- slag
- microwave
- industry waste
- gas
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- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 title claims abstract description 75
- 239000001632 sodium acetate Substances 0.000 title claims abstract description 74
- 235000017281 sodium acetate Nutrition 0.000 title claims abstract description 74
- 239000002699 waste material Substances 0.000 title claims abstract description 40
- 239000002893 slag Substances 0.000 title claims abstract description 34
- 238000003672 processing method Methods 0.000 title claims abstract description 13
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 69
- 239000002245 particle Substances 0.000 claims abstract description 46
- 238000000034 method Methods 0.000 claims abstract description 37
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 36
- 238000010521 absorption reaction Methods 0.000 claims abstract description 20
- 238000002156 mixing Methods 0.000 claims abstract description 16
- 239000002904 solvent Substances 0.000 claims abstract description 12
- 239000012298 atmosphere Substances 0.000 claims abstract description 11
- 239000007789 gas Substances 0.000 claims description 88
- 238000002485 combustion reaction Methods 0.000 claims description 56
- 238000011282 treatment Methods 0.000 claims description 38
- 238000009825 accumulation Methods 0.000 claims description 33
- 239000000203 mixture Substances 0.000 claims description 30
- 238000010438 heat treatment Methods 0.000 claims description 22
- 150000002894 organic compounds Chemical class 0.000 claims description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 7
- 229910002804 graphite Inorganic materials 0.000 claims description 7
- 239000010439 graphite Substances 0.000 claims description 7
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 7
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 6
- 238000000354 decomposition reaction Methods 0.000 claims description 6
- UPWOEMHINGJHOB-UHFFFAOYSA-N oxo(oxocobaltiooxy)cobalt Chemical compound O=[Co]O[Co]=O UPWOEMHINGJHOB-UHFFFAOYSA-N 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- 238000004064 recycling Methods 0.000 claims description 5
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical group [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 5
- 239000002912 waste gas Substances 0.000 claims description 5
- UBEWDCMIDFGDOO-UHFFFAOYSA-N cobalt(II,III) oxide Inorganic materials [O-2].[O-2].[O-2].[O-2].[Co+2].[Co+3].[Co+3] UBEWDCMIDFGDOO-UHFFFAOYSA-N 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 4
- 239000003507 refrigerant Substances 0.000 claims description 4
- 239000002918 waste heat Substances 0.000 claims description 4
- QPLDLSVMHZLSFG-UHFFFAOYSA-N CuO Inorganic materials [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims description 3
- 238000005119 centrifugation Methods 0.000 claims description 3
- 239000002360 explosive Substances 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 229910003465 moissanite Inorganic materials 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- 239000011780 sodium chloride Substances 0.000 claims description 3
- 238000005979 thermal decomposition reaction Methods 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 238000009833 condensation Methods 0.000 abstract description 9
- 230000005494 condensation Effects 0.000 abstract description 9
- 230000015556 catabolic process Effects 0.000 abstract description 3
- 238000006731 degradation reaction Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000000746 purification Methods 0.000 abstract description 2
- 230000000740 bleeding effect Effects 0.000 abstract 1
- 239000003344 environmental pollutant Substances 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 231100000719 pollutant Toxicity 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 26
- 230000009977 dual effect Effects 0.000 description 21
- 238000010304 firing Methods 0.000 description 21
- 230000008676 import Effects 0.000 description 18
- 150000003839 salts Chemical class 0.000 description 10
- 239000011734 sodium Substances 0.000 description 10
- ZQRGREQWCRSUCI-UHFFFAOYSA-N [S].C=1C=CSC=1 Chemical compound [S].C=1C=CSC=1 ZQRGREQWCRSUCI-UHFFFAOYSA-N 0.000 description 8
- 238000003756 stirring Methods 0.000 description 8
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- 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 description 4
- 238000001354 calcination Methods 0.000 description 4
- 239000005416 organic matter Substances 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 3
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 3
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- DKAGJZJALZXOOV-UHFFFAOYSA-N hydrate;hydrochloride Chemical compound O.Cl DKAGJZJALZXOOV-UHFFFAOYSA-N 0.000 description 2
- -1 nitriles sodium salt Chemical class 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 239000000052 vinegar Substances 0.000 description 2
- 235000021419 vinegar Nutrition 0.000 description 2
- 229930192627 Naphthoquinone Natural products 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000007084 catalytic combustion reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007806 chemical reaction intermediate Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 208000020442 loss of weight Diseases 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 150000002791 naphthoquinones Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D7/00—Carbonates of sodium, potassium or alkali metals in general
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Processing Of Solid Wastes (AREA)
- Treating Waste Gases (AREA)
Abstract
A kind of processing method of Industry Waste sodium acetate slag, belongs to environmental protection and trade waste processing technology field.The method is to mix microwave absorption media particle and Industry Waste sodium acetate solid impurity particle, as in microwave treater, vacuumize now, lower temperature and be stirred continuously mixing under, the solvent in useless sodium acetate slag and volatile substances are extracted out using microwave energy, recyclable partial solvent after gas bleeding condensation, then in air atmosphere and it is stirred continuously and lower high temperature degradation is carried out to remaining sodium acetate slag using microwave energy again, the produced gas containing waste is discharged after gas purification, the addition of microwave absorption media particle ensure that useless sodium acetate slag is effectively uniformly heated by the short time, useless sodium acetate slag after pollutant is fully thermally decomposed is changed into sodium carbonate, it is water-soluble, wherein microwave absorption media particle is then recycled.
Description
Technical field
The present invention relates to a kind of processing method of Industry Waste sodium acetate slag, belong to environmental protection and trade waste treatment skill
Art field.
Background technology
5,10- dihydroxy simultaneously-(2,3- dicyano)-Isosorbide-5-Nitrae-two sulphur thiophene is a kind of huge pesticide intermediate in market, its product
Supply falls short of demand for product, and the production process of the product needs to use dimethyl sulfoxide (DMSO) for solvent, and product is by meeting after purification
Produce a large amount of DMSO solutions containing sodium acetate, 2,3- dimercapto Maleic nitriles sodium salt, naphthoquinones reaction intermediate, the current solution
Can pass through rake dry blowing hair method most of DMSO be reclaimed, but produce waste residue then because of stench, high poison and one cannot be entered
Step treatment, the accumulation of such waste residue has become the important environmentally friendly hidden danger of relevant enterprise.
Such waste residue with sodium acetate as main component is very difficult to be processed by incinerator, and reason has three, first, waste residue
Middle Main Ingredients and Appearance sodium acetate is only converted into sodium carbonate after calcination, and its calcination loss of weight is very small, causes incinerator discharging to be born
Lotus is heavy；Second, the sodium carbonate that waste residue calcination is produced has sizable corrosion failure to act on to incinerator burner hearth；3rd, waste residue
In the component such as a small amount of DMSO for coexisting and organic salt containing cyanogen produce a large amount of foul gas, SO by calcination2And NOx, make incinerator
The gas treatment equipment of system can't bear the heavy load afterwards.
Technical scheme CN104344407A is proposed using organic matter and decomposable asymmetric choice net inorganic salts in heating using microwave decomposition abraum salt
Method, its key problem in technology is, by the microwave treatments under condition of nitrogen gas, to make the organic matter point in abraum salt at 450~500 DEG C
Solution volatilization, so as to realize the innoxious of abraum salt, but there are three obvious technological deficiencies in the technical scheme：1) sodium acetate is weak micro-
Ripple absorbing medium, microwave treatment is difficult to realize high-efficiency heating to it；2) in a nitrogen atmosphere, Long carbon chain organic matter and aromatic ring, thick
Ring and heterocycle organic matter can not occur oxidation Decomposition it occur frequently that the reaction of polymerization coking, and this causes at the microwave under nitrogen
Reason on the contrary rises the organic polymer content of similar tar in abraum salt, and color is more black, and its toxicity is not decreased obviously, or even
Rise on the contrary.3) to be easy to occur heating uneven and cause the phenomenon of hot-spot for microwave treatment, when in abraum salt containing DMSO,
When DMF and organic cyanogen compound, hot-spot easily causes the generation of explosion accident.
In summary, at present still without a kind of effective ways that can be successfully processed contaminated Industry Waste sodium acetate.This
Invention aims to solve the problem that the problem, there is provided a kind of technical scheme that Industry Waste acetic acid sodium salt is innoxious.
The content of the invention
It is an object of the invention to by organic in the middle of a kind of contaminated Industry Waste sodium acetate of new method efficient-decomposition
Thing and decomposable asymmetric choice net inorganic matter, realize the innoxious of abraum salt.
The purpose of the present invention is realized by the following technical solutions：By Industry Waste sodium acetate powder proportionally with it is micro-
Ripple absorbing medium particle is mixed, and being placed in carries out microwave treatment in microwave heating equipment, and microwave treatment is divided into two temperature sections, the
Between 80~120 DEG C, vacuum maintains 5min~30min to one temperature section temperature in -0.5atm~-0.99atm, is used for
The solvent and volatile matter in useless sodium acetate are driven, the gas for vacuumizing extraction is cooled down solvent recovery therein through refrigerant, the
Two temperature section temperature maintain 10min~5h between 500~840 DEG C under air atmosphere and atmospheric pressure, in useless sodium acetate
Other organic matters, degradable inorganic matter and sodium acetate carry out microwave thermal decomposition, and give up sodium acetate powder particle in two temperature sections
Mixing is stirred continuously by the mixing plant in microwave heating appts, it is to avoid overheat locally occurs and causes solvent explosive decomposition
With abraum salt melting, the gas of generation cools down recycling design simultaneously after vacuum pumped in first microwave processing process of temperature section
Send into heat-accumulation combustion equipment (RTO) or direct-fired gas processing device (dual firing chamber) and by organic compound combustion therein degraded,
By the gas after heat-accumulation combustion equipment or heat-storage catalytic combustion apparatus or the treatment of direct-fired gas processing device according to it
Composition carries out desulphurization denitration depickling treatment, the SO that removal may contain2, qualified discharge, second temperature section after NOx, HCl, HF
Microwave processing process in the gas that produces extracted out through blower fan after send into heat-accumulation combustion equipment (RTO) or direct-fired gas treatment
Equipment (dual firing chamber) simultaneously degrades organic compound combustion therein, at heat-accumulation combustion equipment or direct-fired gas processing device
Gas after reason is also carried out desulphurization denitration depickling treatment, the SO that removal may contain according to its composition2, it is up to standard after NOx, HCl, HF
Discharge, it is microwaved after useless sodium acetate slag be changed into purer sodium carbonate, through water eluriate after sodium carbonate be dissolved as solution, mix
Together in the microwave absorption media particle in useless sodium acetate slag then by filtering or gravitational settling or centrifugation or magnetic
Separate and recycle, and the sodium carbonate liquor discharged can be used to heat-accumulation combustion equipment or direct-fired gas processing device
Waste gas in SOx, HCl and HF absorbed, sodium carbonate liquor also can use HCl be acidified for NaCl heel row amplify sea, also can profit
Sodium carbonate liquor is evaporated with the waste heat of heat-accumulation combustion equipment or direct-fired gas processing device tail gas, obtains can be used for glass
The sodium carbonate of manufacturing.
Technical characteristic of the invention is also resided in：The composition of the microwave absorption media particle for being used is SiC, SnO2, graphite,
Fe3O4, Co2O3, Co3O4, CuO, any one in the middle of NiO or any several mixture；The microwave absorption medium for being used
The particle diameter of particle is in 0.05mm~5mm；The weight of the microwave absorption media particle for being used and the part by weight of useless sodium acetate are
5:1~1:10；The temperature of useless sodium acetate is measured using infrared thermometer in the middle of microwave treater；Given up in microwave heating appts
The laying depth of sodium acetate is between 5cm~40cm；Given up in microwave heating appts sodium acetate mixing plant rotating speed 10rpm~
600rpm；The frequency of the microwave used in microwave heating appts is 915 ± 50MHz or 2450 ± 50MHz.
Specific embodiment
The purpose of the present invention is realized by the following technical solutions：By Industry Waste sodium acetate powder proportionally with it is micro-
Ripple absorbing medium particle is mixed, and being placed in carries out microwave treatment in microwave heating equipment, and microwave treatment is divided into two temperature sections, the
Between 80~120 DEG C, vacuum maintains 5min~30min (now to one temperature section temperature in -0.5atm~-0.99atm
Equipment air intake valve is closed, vavuum pump import and export valve opening, blower fan import and export valve closing), for driveing useless sodium acetate
In solvent and volatile matter, vacuumize the gas of extraction and cooled down solvent recovery therein, second temperature section temperature through refrigerant
Degree between 500~840 DEG C (now open, vavuum pump import and export valve closing, blower fan import and export valve by equipment air intake valve
Open), under air atmosphere and atmospheric pressure maintain 10min~5h, to give up sodium acetate in other organic matters, degradable inorganic matter and
Sodium acetate carries out microwave thermal decomposition, and the sodium acetate powder particle that given up in two temperature sections is set by the stirring in microwave heating appts
It is standby to be stirred continuously mixing, it is to avoid overheat locally to occur and causes solvent explosive decomposition and useless sodium acetate slag to melt, first temperature
The gas produced in the microwave processing process of section is spent to cool down recycling design after vacuum pumped and send into heat-accumulation combustion equipment
(RTO) or direct-fired gas processing device (dual firing chamber) and by organic compound combustion therein degraded, by heat-accumulation combustion equipment
Or the gas after direct-fired gas processing device treatment carries out desulphurization denitration depickling treatment according to its composition, removal may contain
SO2, qualified discharge after NOx, HCl, HF, after the gas produced in second microwave processing process of temperature section is extracted out through blower fan
Send into heat-accumulation combustion equipment (RTO) or direct-fired gas processing device (dual firing chamber) and by organic compound combustion therein degraded,
Desulphurization denitration is also carried out by the gas after heat-accumulation combustion equipment or the treatment of direct-fired gas processing device according to its composition to take off
Acid treatment, the SO that removal may contain2, qualified discharge after NOx, HCl, HF, it is microwaved after useless sodium acetate slag be changed into
Purer sodium carbonate, sodium carbonate is dissolved as solution after being eluriated through water, is mixed in microwave absorption media particle in useless sodium acetate then
Recycled by filtering or gravitational settling or centrifugation or Magnetic Isolation, and the sodium carbonate liquor discharged can be with
Absorbed for SOx, HCl and the HF in the waste gas to heat-accumulation combustion equipment or direct-fired gas processing device, sodium carbonate
Solution also can use HCl to be acidified for NaCl heel row amplifies sea, and heat-accumulation combustion equipment or direct-fired gas processing device can also be used
Be evaporated for sodium carbonate liquor by the waste heat of tail gas, obtains can be used for the sodium carbonate of glass manufacture industry.
Technical characteristic of the invention is also resided in：The composition of the microwave absorption media particle for being used is SiC, SnO2, graphite,
Fe3O4, Co2O3, Co3O4, CuO, any one in the middle of NiO or any several mixture；The microwave absorption medium for being used
The particle diameter of particle is in 0.05mm~5mm；The weight of the microwave absorption media particle for being used and the part by weight of useless sodium acetate are
5:1~1:10；The temperature of useless sodium acetate is measured using infrared thermometer in the middle of microwave treater；Given up in microwave heating appts
The laying depth of sodium acetate is between 5cm~40cm；Given up in microwave heating appts sodium acetate mixing plant rotating speed 10rpm~
600rpm；The frequency of the microwave used in microwave heating appts is 915 ± 50MHz or 2450 ± 50MHz.
Brief description of the drawings
Fig. 1~Fig. 4 gives the device sketch of the abraum salt processing scheme and the structure type of microwave baffle plate.
Fig. 1：A kind of device sketch of horizontal useless sodium acetate slag microwave treater,
Fig. 2：A kind of device sketch of vertical useless sodium acetate microwave treater,
Fig. 3：The structure chart of the microwave baffle plate of circular hole equilateral triangle arrangement,
Fig. 4：The structure chart of the microwave baffle plate of circular hole square arrangement,
In fig. 1 and 2,1 is inlet air air-flow, and 2 is the air intlet mouth of pipe, and 3 is the microwave baffle plate of air intlet, 4
It is the mixture of give up sodium acetate and microwave absorption medium, 5 is microwave treater, and 6 is agitating paddle, and 7 is agitating shaft, and 8 is stirring electricity
Machine, 9 is microwave generator, and 10 is the microwave baffle plate of gas outlet tube, and 11 is blower fan, and 12 (can be RTO for tail gas VOCs processors
Device or RCO devices or dual firing chamber), 13 is gas sweetening denitration deacidifying device, and 14 is treatment waste gas outlet up to standard, and 15 is true
Empty pump, 16 is equipment air intake valve, and 17 is that blower fan bypasses imported valve, and 18 is fan outlet valve, and 19 is vavuum pump inlet valve
Door, 20 is vacuum pump outlet valve, and 21 is gas condenser, and 22 is condensate outlet.
Accompanying drawing is intended to the form of the useless acetic acid device for processing sodium of clear expression, does not carry out detailed table to exhaust gas processing device
Reach, the desulfurization of tail gas can use common dry method, wet method, semidry method or active carbon desulfurization technique, the denitration of tail gas can be with
Using SCR method, activated coke denitration method or Ozone, the depickling (main removing HF and HCl) of tail gas can be washed using alkali lye
The method washed.The motor of input and output gas nozzle orientation, microwave input port orientation, agitating paddle form and agitating paddle in brief description of the drawings drives
Dynamic form can not be construed as limiting to the technical program, and input and output gas can be flexibly selected on the premise of device successful operation is ensured
The type motor-driven of nozzle orientation, microwave input port pipe orientation, agitating paddle form and agitating paddle.Additionally, Fig. 3 and Fig. 4 can not
Form to the microwave baffle plate in the technical program is construed as limiting, and any known baffle plates form that can stop that microwave passes through all may be used
For completing the stop of microwave energy in the technical program.Additionally, for convenience's sake, Fig. 1 Fig. 2 does not draw gas condensation
The refrigerant of device is imported and exported, and Fig. 1 and Fig. 2 does not also constitute any limitation to the structure type of gas condenser, it is any can successfully to gas
The heat exchanger form that body is condensed can complete condensate liquid recovery.
Several specific embodiments are enumerated below, to further understand the present invention.
Embodiment 1：
The useless sodium acetate that will be produced in 50kg 5,10- dihydroxy simultaneously-(2,3- dicyanos) the sulphur thiophene building-up processes of -1,4- two
With the SiC particulate in mass ratio 1 of particle diameter 0.5mm:1 mixing, and be layed in the microwave heating appts shown in accompanying drawing 1, laying is thick
Degree 40cm, pass hull closure air intake valve and blower fan import and export valve, open vavuum pump, and vacuum is -0.99atm, opens stirring
Device, rotating speed is 600rpm, and opens microwave generator, 0~2000W of microwave power, 915 ± 50MHz of microwave frequency, control temperature
Degree is in 80 DEG C, microwave treatment 30min, the condensed rear recyclable 5kg DMSO of gas of vacuum pumped, it is impossible to the gas of condensation
Heat-accumulation combustion equipment (RTO) or direct-fired gas processing device (dual firing chamber) are sent into after being discharged through vavuum pump and have therein
Machine thing combustion degradation, then closes vavuum pump, opens equipment air intake valve, blower fan and blower fan import and export valve is opened, in air
Continuation is processed mixture with microwave under atmosphere, controls 840 DEG C of temperature, processes 10min, organic constituentses therein and vinegar
It is sodium carbonate that sour sodium is completely broken down, and the gas discharged in processing procedure is also fed into heat-accumulation combustion equipment (RTO) or direct-fired
Gas processing device (dual firing chamber) simultaneously degrades organic compound combustion therein, after being disposed, the mixture seawater that will be drawn off
Eluriate, Na therein2CO3Be dissolved in seawater and discharge, SiC particulate by sedimentation separation recycle, discharge containing Na2CO3Sea
It is that 7 heel row amplify sea that water HCl adjusts pH.
Embodiment 2：
The useless sodium acetate that will be produced in 10kg 5,10- dihydroxy simultaneously-(2,3- dicyanos) the sulphur thiophene building-up processes of -1,4- two
With the graphite particle in mass ratio 1 of particle diameter 5mm:5 mixing, and be layed in the microwave heating appts shown in accompanying drawing 2, laying depth
5cm, pass hull closure air intake valve and blower fan import and export valve, open vavuum pump, and vacuum is -0.5atm, opens stirring dress
Put, rotating speed is 10rpm, and open microwave generator, 0~500W of microwave power, 2450 ± 50MHz of microwave frequency control temperature
In 120 DEG C, microwave treatment 5min, the condensed rear recyclable 0.9kg DMSO of gas of vacuum pumped, it is impossible to the gas of condensation
Heat-accumulation combustion equipment (RTO) or direct-fired gas processing device (dual firing chamber) are sent into after being discharged through vavuum pump and have therein
Machine thing combustion degradation, then closes vavuum pump, opens equipment air intake valve, blower fan and blower fan import and export valve is opened, in air
Continuation is processed mixture with microwave under atmosphere, controls 500 DEG C of temperature, processes 5h, organic constituentses therein and acetic acid
It is sodium carbonate that sodium is completely broken down, and the gas discharged in processing procedure is also fed into heat-accumulation combustion equipment (RTO) or direct-fired gas
Body processing equipment (dual firing chamber) simultaneously degrades organic compound combustion therein, and after being disposed, the mixture that will be drawn off is washed in a pan with river
Wash, Na therein2CO3Be dissolved in river and discharge, graphite particle is isolated by filtration recycling, discharge containing Na2CO3River
It is that 7 heel row amplify sea that water HCl adjusts pH.
Embodiment 3：
The useless sodium acetate that will be produced in 100kg 5,10- dihydroxy simultaneously-(2,3- dicyanos) the sulphur thiophene building-up processes of -1,4- two
With the Fe of particle diameter 0.05mm3O4Particle in mass ratio 10:1 mixing, and be layed in the microwave heating appts shown in accompanying drawing 1, lay
Thickness 10cm, pass hull closure air intake valve and blower fan import and export valve, open vavuum pump, and vacuum is -0.9atm, and opening is stirred
Device is mixed, rotating speed is 100rpm, and opens microwave generator, 0~5000W of microwave power, 915 ± 50MHz of microwave frequency, controlled
Temperature is in 100 DEG C, microwave treatment 10min, the condensed rear recyclable 9.5kg DMSO of gas of vacuum pumped, it is impossible to condensation
Gas sends into heat-accumulation combustion equipment (RTO) or direct-fired gas processing device (dual firing chamber) and will wherein after being discharged through vavuum pump
Organic compound combustion degraded, then close vavuum pump, open equipment air intake valve, open blower fan and blower fan import and export valve,
Continuation is processed mixture with microwave under air atmosphere, control 800 DEG C of temperature, process 1h, organic constituentses therein and
It is sodium carbonate that sodium acetate is completely broken down, and the gas discharged in processing procedure is also fed into heat-accumulation combustion equipment (RTO) or direct combustion
Formula gas processing device (dual firing chamber) simultaneously degrades organic compound combustion therein, after being disposed, the mixture water that will be drawn off
Eluriate, Na therein2CO3It is dissolved in water and discharges, Fe3O4Particle by Magnetic Isolation recycle, discharge containing Na2CO3Water
Can be used for HCl, SO in RTO or dual firing chamber's discharge gas2With the absorption of HF.
Embodiment 4：
The useless sodium acetate that will be produced in 500kg 5,10- dihydroxy simultaneously-(2,3- dicyanos) the sulphur thiophene building-up processes of -1,4- two
With the graphite particle in mass ratio 1 of particle diameter 4mm:1 mixing, and be layed in the microwave heating appts shown in accompanying drawing 2, laying depth
20cm, pass hull closure air intake valve and blower fan import and export valve, open vavuum pump, and vacuum is -0.95atm, opens stirring dress
Put, rotating speed is 200rpm, and open microwave generator, 0~5000W of microwave power, 2450 ± 50MHz of microwave frequency, control temperature
Degree is in 110 DEG C, microwave treatment 30min, the condensed rear recyclable 40kg DMSO of gas of vacuum pumped, it is impossible to the gas of condensation
Body sends into heat-accumulation combustion equipment (RTO) or direct-fired gas processing device (dual firing chamber) and will be therein after being discharged through vavuum pump
Organic compound combustion is degraded, and then closes vavuum pump, opens equipment air intake valve, blower fan and blower fan import and export valve is opened, in sky
Continuation is processed mixture with microwave under gas atmosphere, controls 800 DEG C of temperature, processes 4h, organic constituentses therein and vinegar
It is sodium carbonate that sour sodium is completely broken down, and the gas discharged in processing procedure is also fed into heat-accumulation combustion equipment (RTO) or direct-fired
Gas processing device (dual firing chamber) simultaneously degrades organic compound combustion therein, after being disposed, the mixture river that will be drawn off
Eluriate, Na therein2CO3Be dissolved in river and discharge, graphite particle is isolated by filtration recycling, discharge containing Na2CO3's
It is evaporated with the waste heat of RTO or dual firing chamber's waste gas, is obtained can be used for the sodium carbonate of glass industry.
Embodiment 5：
The useless sodium acetate that will be produced in 50kg 5,10- dihydroxy simultaneously-(2,3- dicyanos) the sulphur thiophene building-up processes of -1,4- two
With the Co of particle diameter 1mm3O4Particle in mass ratio 1:1.5 mixing, and be layed in the microwave heating appts shown in accompanying drawing 2, laying is thick
Degree 10cm, pass hull closure air intake valve and blower fan import and export valve, open vavuum pump, and vacuum is -0.95atm, opens stirring
Device, rotating speed is 200rpm, and opens microwave generator, 0~1000W of microwave power, 2450 ± 50MHz of microwave frequency, control
Temperature is in 110 DEG C, microwave treatment 30min, the condensed rear recyclable 4.3kg DMSO of gas of vacuum pumped, it is impossible to condensation
Gas sends into heat-accumulation combustion equipment (RTO) or direct-fired gas processing device (dual firing chamber) and will wherein after being discharged through vavuum pump
Organic compound combustion degraded, then close vavuum pump, open equipment air intake valve, open blower fan and blower fan import and export valve,
Continuation is processed mixture with microwave under air atmosphere, control 800 DEG C of temperature, process 4h, organic constituentses therein and
It is sodium carbonate that sodium acetate is completely broken down, and the gas discharged in processing procedure is also fed into heat-accumulation combustion equipment (RTO) or direct combustion
Formula gas processing device (dual firing chamber) simultaneously degrades organic compound combustion therein, after being disposed, the mixture river that will be drawn off
Water is eluriated, Na therein2CO3It is dissolved in river and discharges, Co3O4Particle by sedimentation separation recycle, discharge containing Na2CO3
River with HCl adjust pH be 7 heel row amplify sea.
Embodiment 6：
The useless sodium acetate that will be produced in 50kg 5,10- dihydroxy simultaneously-(2,3- dicyanos) the sulphur thiophene building-up processes of -1,4- two
With the SnO of particle diameter 1mm2Particle in mass ratio 1:1.5 mixing, and be layed in the microwave heating appts shown in accompanying drawing 2, laying is thick
Degree 10cm, pass hull closure air intake valve and blower fan import and export valve, open vavuum pump, and vacuum is -0.95atm, opens stirring
Device, rotating speed is 200rpm, and opens microwave generator, 0~1000W of microwave power, 2450 ± 50MHz of microwave frequency, control
Temperature is in 110 DEG C, microwave treatment 30min, the condensed rear recyclable 4.3kg DMSO of gas of vacuum pumped, it is impossible to condensation
Gas sends into heat-accumulation combustion equipment (RTO) or direct-fired gas processing device (dual firing chamber) and will wherein after being discharged through vavuum pump
Organic compound combustion degraded, then close vavuum pump, open equipment air intake valve, open blower fan and blower fan import and export valve,
Continuation is processed mixture with microwave under air atmosphere, control 600 DEG C of temperature, process 4h, organic constituentses therein and
It is sodium carbonate that sodium acetate is completely broken down, and the gas discharged in processing procedure is also fed into heat-accumulation combustion equipment (RTO) or direct combustion
Formula gas processing device (dual firing chamber) simultaneously degrades organic compound combustion therein, after being disposed, the mixture river that will be drawn off
Water is eluriated, Na therein2CO3It is dissolved in river and discharges, SnO2Particle by sedimentation separation recycle, discharge containing Na2CO3's
It is that 7 heel row amplify sea that river HCl adjusts pH.
Embodiment 7：
The useless sodium acetate that will be produced in 50kg 5,10- dihydroxy simultaneously-(2,3- dicyanos) the sulphur thiophene building-up processes of -1,4- two
With the CuO particles in mass ratio 1 of particle diameter 1mm:1.5 mixing, and be layed in the microwave heating appts shown in accompanying drawing 2, laying is thick
Degree 10cm, pass hull closure air intake valve and blower fan import and export valve, open vavuum pump, and vacuum is -0.95atm, opens stirring
Device, rotating speed is 200rpm, and opens microwave generator, 0~1000W of microwave power, 2450 ± 50MHz of microwave frequency, control
Temperature is in 110 DEG C, microwave treatment 30min, the condensed rear recyclable 4.3kg DMSO of gas of vacuum pumped, it is impossible to condensation
Gas sends into heat-accumulation combustion equipment (RTO) or direct-fired gas processing device (dual firing chamber) and will wherein after being discharged through vavuum pump
Organic compound combustion degraded, then close vavuum pump, open equipment air intake valve, open blower fan and blower fan import and export valve,
Continuation is processed mixture with microwave under air atmosphere, control 800 DEG C of temperature, process 4h, organic constituentses therein and
It is sodium carbonate that sodium acetate is completely broken down, and the gas discharged in processing procedure is also fed into heat-accumulation combustion equipment (RTO) or direct combustion
Formula gas processing device (dual firing chamber) simultaneously degrades organic compound combustion therein, after being disposed, the mixture river that will be drawn off
Water is eluriated, Na therein2CO3Be dissolved in river and discharge, CuO particles by sedimentation separation recycle, discharge containing Na2CO3's
It is that 7 heel row amplify sea that river HCl adjusts pH.
Claims (9)
1. a kind of processing method of Industry Waste sodium acetate slag, its concrete technical scheme is as follows：By Industry Waste sodium acetate slag according to than
Example and microwave absorption media particle are mixed, and being placed in carries out microwave treatment in microwave heating equipment, microwave treatment is divided into two temperature
Degree section, first temperature section temperature between 80~120 DEG C, vacuum in -0.5atm~-0.99atm, maintain 5min~
30min, for driveing solvent and volatile matter in Industry Waste sodium acetate slag, the gas for vacuumizing extraction is cooled down it through refrigerant
In solvent recovery, second temperature section temperature between 500~840 DEG C, under air atmosphere and atmospheric pressure maintain 10min~
5h, microwave thermal decomposition is carried out to other organic matters in Industry Waste sodium acetate slag, degradable inorganic matter and sodium acetate, in two temperature
The powder particle of Industry Waste sodium acetate slag is stirred continuously mixing by the mixing plant in microwave heating appts in degree section, it is to avoid office
Overheat and cause the melting of solvent explosive decomposition and Industry Waste sodium acetate slag in portion, first microwave treatment mistake of temperature section there is
The gas produced in journey cools down recycling design after vacuum pumped and sends into heat-accumulation combustion equipment or direct-fired gas treatment
Equipment simultaneously degrades organic compound combustion therein, the gas after heat-accumulation combustion equipment or the treatment of direct-fired gas processing device
Body carries out desulphurization denitration depickling treatment, the SO that removal may contain according to its composition2, qualified discharge, second after NOx, HCl, HF
The gas produced in the microwave processing process of individual temperature section sends into heat-accumulation combustion equipment or direct-fired gas after being extracted out through blower fan
Processing equipment simultaneously degrades organic compound combustion therein, by after heat-accumulation combustion equipment or the treatment of direct-fired gas processing device
Gas desulphurization denitration depickling treatment, the SO that may contain of removal are also carried out according to its composition2, row up to standard after NOx, HCl, HF
Put, it is microwaved after Industry Waste sodium acetate slag be changed into purer sodium carbonate, through water eluriate after sodium carbonate be dissolved as solution,
Be mixed in microwave absorption media particle in Industry Waste sodium acetate slag then by filtering or gravitational settling or centrifugation or
Person's Magnetic Isolation and recycle, and discharge sodium carbonate liquor can be used to at heat-accumulation combustion equipment or direct-fired gas
SOx, HCl and HF in the waste gas of reason equipment are absorbed, and sodium carbonate liquor also can use HCl to be acidified for NaCl heel row amplifies sea,
Be evaporated for sodium carbonate liquor by the waste heat that heat-accumulation combustion equipment or direct-fired gas processing device tail gas can also be used, and can use
In the sodium carbonate of glass manufacture industry.
2. a kind of processing method of Industry Waste sodium acetate slag as claimed in claim 1, its technical characteristic is also resided in：Used
The composition of microwave absorption media particle is SiC, SnO2, graphite, Fe3O4, Co2O3, Co3O4, CuO, in the middle of NiO any one or
Any several mixture.
3. a kind of processing method of Industry Waste sodium acetate slag as claimed in claim 1, its technical characteristic is also resided in：Used
The particle diameter of microwave absorption media particle is in 0.05mm~5mm.
4. a kind of processing method of Industry Waste sodium acetate slag as claimed in claim 1, its technical characteristic is also resided in：Used
The weight of microwave absorption media particle and the part by weight of Industry Waste sodium acetate slag are 5:1~1:10.
5. a kind of processing method of Industry Waste sodium acetate slag as claimed in claim 1, its technical characteristic is also resided in：Microwave treatment
The temperature of Industry Waste sodium acetate slag and microwave absorption media particle mixture is measured using infrared thermometer in the middle of device.
6. a kind of processing method of Industry Waste sodium acetate slag as claimed in claim 1, its technical characteristic is also resided in：Microwave treatment
During Industry Waste sodium acetate slag and microwave absorption media particle mixture temperature control at 600~800 DEG C.
7. a kind of processing method of Industry Waste sodium acetate slag as claimed in claim 1, its technical characteristic is also resided in：Microwave treatment
The laying depth of Industry Waste sodium acetate slag is between 5cm~40cm in device.
8. a kind of processing method of Industry Waste sodium acetate slag as claimed in claim 1, its technical characteristic is also resided in：Microwave treatment
The rotating speed of Industry Waste sodium acetate slag mixing plant is in 10rpm~600rpm in device.
9. a kind of processing method of Industry Waste sodium acetate slag as claimed in claim 1, its technical characteristic is also resided in：Microwave treatment
The frequency of the microwave used in device is 915 ± 50MHz or 2450 ± 50MHz.
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| CN107488792A (en) * | 2017-08-10 | 2017-12-19 | 洛阳万基金属钠有限公司 | A kind of two level sodium purifying plant with efficient burning function |
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| CN111632991A (en) * | 2020-04-22 | 2020-09-08 | 生态环境部华南环境科学研究所 | Environment-friendly harmless resourceful treatment device for industrial organic waste |
| CN112044913A (en) * | 2019-06-05 | 2020-12-08 | 杨建强 | Recycling treatment device and method for industrial waste residues |
| CN112536000A (en) * | 2020-11-18 | 2021-03-23 | 安徽同速环保科技有限公司 | Method for treating waste salt containing sodium dodecyl benzene sulfonate through microwave thermal cracking |
| CN114477237A (en) * | 2022-02-07 | 2022-05-13 | 武汉工程大学 | Method for treating and recycling organic waste salt |
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