CN106475398A - A kind of industrial waste salt carbonization treatment method - Google Patents
A kind of industrial waste salt carbonization treatment method Download PDFInfo
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- CN106475398A CN106475398A CN201610891340.7A CN201610891340A CN106475398A CN 106475398 A CN106475398 A CN 106475398A CN 201610891340 A CN201610891340 A CN 201610891340A CN 106475398 A CN106475398 A CN 106475398A
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- Prior art keywords
- salt
- carbonization
- predecomposition
- pneumatic tube
- carbonization treatment
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- 150000003839 salts Chemical class 0.000 title claims abstract description 64
- 238000003763 carbonization Methods 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 37
- 239000002440 industrial waste Substances 0.000 title claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 21
- 239000007789 gas Substances 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 5
- 238000005276 aerator Methods 0.000 claims description 4
- 239000000047 product Substances 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 239000002699 waste material Substances 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 3
- 239000000470 constituent Substances 0.000 claims description 2
- 239000002918 waste heat Substances 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 9
- 238000005255 carburizing Methods 0.000 abstract description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical group [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 7
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- -1 salt salt Chemical class 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 229910017053 inorganic salt Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000575 pesticide Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 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 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000010000 carbonizing Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007701 flash-distillation Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 239000002351 wastewater 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
-
- 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
- C01D3/00—Halides of sodium, potassium or alkali metals in general
- C01D3/14—Purification
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B2101/00—Type of solid waste
- B09B2101/02—Gases or liquids enclosed in discarded articles, e.g. aerosol cans or cooling systems of refrigerators
-
- 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
- B09B3/0075—Disposal of medical waste
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2206/00—Waste heat recuperation
- F23G2206/20—Waste heat recuperation using the heat in association with another installation
-
- 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
-
- 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
-
- 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
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
A kind of industrial waste salt carbonization treatment method, abraum salt moisture is removed by flash dryer, pneumatic tube preheater and spouted bed carbide furnace are thermally decomposed and carbonization treatment to dried abraum salt, in abraum salt Organic substance by being dried, decomposing, after carbonization treatment as carbonization salt output.High temperature incineration carried out to the tail gas producing in technical process, burning the hot-air producing provides heat mostly as system heat sources, remaining hot gas through residual heat boiler for exchanging heat and through eluting column chilling but after harmless discharge.The method material carries out heat exchange with hot-air directly contact and in spouted fluidised form in spouted bed carbide furnace, makes material depth carbonization, and carbonization purity salt improves；The surface softening of carburizing temperature and salt is easy to control, can avoid materials from bonding and stammerer phenomenon, be conducive to continuous prodution；There is provided thermal source, energy saving using the high-temperature gas that the tail gas during burning process produces for system.
Description
Technical field
The present invention relates to industrial waste recycling, particularly a kind of industrial waste salt carbonization treatment method.
Background technology
In the production process of organic or inorganic chemical products, all there is abraum salt to produce, especially in pesticide, medicine, become more meticulous
Work field abraum salt yield is huge.During pesticide producing, the annual by-product abraum salt in the whole nation just reaches more than 5,000,000 tons.Many enterprises
Industry adopts stock to stack abraum salt at present, because taking a large amount of places so as to become the key factor of restriction enterprise development.Most of
The main component of industrial waste salt is sodium chloride, carries a large amount of organic or inorganic impurity secretly because of it and can not continue to make as raw material of industry salt
With.Because abraum salt belongs to poisonous and harmful substance, long-term stacking, not only waste land resource, and to environment structure grave danger.
Therefore, using suitable technique and equipment, abraum salt is carried out harmless treatment, inorganic salt resource therein is recycled,
Manufacturing enterprise and society are significant.
At present, domestic industry abraum salt is processed mainly following four method：
1st, desalinization of soil by flooding or leaching method
Industrial waste salt is washed off harmful soluble substance in abraum salt by washing or with detergent, this method is applied to process impurity
The few abraum salt of single and impurity content.
2nd, high temperature melting facture
Organic impuritiess in abraum salt salt slag are made to resolve into gas at high temperature, thus reaching the purpose removing organic impuritiess.?
In pyrolytic, directly brine waste can be thermally decomposed and be decomposed it is also possible to make solid crystal abraum salt form fused salt.?
Exist in decomposition nozzle easily block, wear and tear, the technical problem such as high temperature bond, stammerer, equipment corrosion.
3rd, high temperature cabonization oxidizing process
Its principle is Organic substance in abraum salt to be carried out decomposing carbonization and oxidation at high operating temperatures, makes Organic substance one in abraum salt
Partial thermal decomposition is escaping gas, and another part is changed into Solid organic carbon and aoxidizes formation ash.Technique used by the method at present
Using rake multilamellar carbonization furnace apparatus.The method is there is problems that the surface softening of carburizing temperature and salt is wayward, easily
Cause the bonding to carbonizing apparatus, affect continuous prodution.
4th, Method of Soda processed
Abraum salt salt slag is made saturated brine solution, is passed through ammonia and carbon dioxide under certain condition, form carbon
Sour hydrogen sodium, makes soda (sodium carbonate) through pyrolytic.The method can only produce soda.
Content of the invention
The problem existing for prior art, it is an object of the invention to provide a kind of industrial waste salt carbonization treatment method.
The process equipment implementing the method is by feeder, flash dryer, pneumatic tube predecomposition device, spouted bed carbide furnace
(in stove no gas distribution orifice), air heating incinerator, one-level catcher, two grades of catchers, circulating fan, aerator, remaining
Heat boiler, eluting column, pipe-line system and control system composition；
Abraum salt is sent into flash dryer by feeder and is dried, and removes the moisture in abraum salt；Dried abraum salt is through one
Level catcher trapping, and send into pneumatic tube predecomposition device and carry out heat resolve；Abraum salt after predecomposition is caught through two grades of catchers
Collection, send into spouted bed carbide furnace carry out carbonization treatment, the carbonization salt after carbonization as product overflow discharge out of the furnace (through cooling laggard
Enter postorder refining system to be refined)；
Meanwhile, the tail gas after flash dryer dry materials is through one-level catcher, and sends into air by circulating fan
Heating incinerator carries out high temperature incineration；Air heats the hot-air that incinerator produces, and its major part sends into spouted bed through aerator
In carbide furnace, provide institute calorific requirement for material carbonization treatment, remainder through residual heat boiler for exchanging heat, then through eluting column drip washing heel row
Empty；Tail gas after spouted bed carbide furnace material carbonization enters pneumatic tube preheater, is that pneumatic tube predecomposition device is pre- to material
Resolution process provides institute's calorific requirement；Tail gas after pneumatic tube predecomposition implements material predecomposition, through two grades of catchers, enters flash distillation
Drying machine, provides heat for abraum salt dried.
In said method, described flash dryer is dried at a temperature of 250～350 DEG C；Described pneumatic tube divides in advance
Solution device predecomposition abraum salt is carried out at a temperature of 400～500 DEG C；In described spouted bed carbide furnace, material carbonization is in 500～750 DEG C of temperature
Carry out under degree, material carbonization time and carbonation rate are adjusted according to industrial waste salt constituent；Described air heating is burned
Stove carries out gas burning at 1000～1100 DEG C；After the described dedusting through eluting column, the exhaust temperature of emptying is below 150 DEG C.
Described pneumatic tube predecomposition device and spray-moving type carbide furnace can not limit according to impurity content combination in any in abraum salt
Compound mode, is beneficial to adjustment and decomposes and carbonization time and carburizing temperature.
Industrial waste salt carbonization treatment method of the present invention, removes abraum salt free moisture, in pneumatic tube in flash dryer
In preheater and spouted bed carbide furnace, abraum salt after drying is thermally decomposed and carbonization treatment.Organic substance in abraum salt passes through dry
Dry, decompose, after carbonization as carbonization salt output.High temperature incineration is carried out to the tail gas producing in technical process, burns the heat producing
Air provides heat mostly as system heat sources, and remainder changes its heat through waste heat boiler, more but arranges through eluting column chilling
Put, in case harmful gass produce, realize harmless discharge.
The invention has the beneficial effects as follows：
1st, the inorganic salt in industrial waste salt can be reclaimed by the present invention well, and the product after gained carbonization can be processed
Essence
Make the industrial salt (can be used as the raw material of industry needed for chlorine industry) that purity meets National Industrial salt standard, realize
Recycling, and reach national requirements for environmental protection.
2nd, the present invention adopts spouted bed carbide furnace, no gas distribution orifice in stove, material and hot-air can directly contact simultaneously
In spouted fluidised form, to realize the heat exchange of material and hot gas, material can be made to obtain depth carbonization, be conducive to improving gained carbonization
The purity of salt；Materials from bonding and the stammerer phenomenon producing because being distributed plate can be avoided, the surface of carburizing temperature and salt is soft simultaneously
Change easy to control, be conducive to continuous prodution.
3rd, the high-temperature gas that the tail gas during utilizing air to heat incinerator burning process produces provides thermal source for system,
Can energy saving.
4th, the high-temperature tail gas that air heating incinerator produces empty after residual heat boiler for exchanging heat and eluting column dedusting, can achieve
The echelon of heat energy utilizes and tail gas hazard-free discharge.
5th, present invention process is ripe, and its device adopts existing modular system, simple system, and suitable industrialization continuously produces,
Have
Good economic and social benefit.
Brief description
Fig. 1 is the process flow diagram of industrial waste salt carbonization treatment method of the present invention.
Specific embodiment
By the following examples the technique effect of the present invention is verified.
The present embodiment industrial waste salt derives from the waste salt dregs that pharmaceutical and chemical enterprises Wastewater Pretreatment produces, and its main component is
Sodium chloride and height boiling Organic substance (containing C, H, O and S, N etc.), aqueous 8%.Carbon is carried out to it using the inventive method as shown in Figure 1
Change is processed.
Device therefor is the pilot-plant of 2 tons of (100kg/h) carbonization salt of daily output, works continuously, and baking temperature is 320 DEG C,
Predecomposition temperature is 480 DEG C, and carburizing temperature is 700 DEG C, and incinerator incineration temperature is 1050 DEG C, and exhaust emissions temperature is 180 DEG C.
Carbonization salt after gained carbonization treatment, the purified salt being refining to obtain through refining system, sodium chloride content ＞ 97g/
100g, water-insoluble≤0.1g/100g, remaining index all meets Nacl standard；Exhaust emissions meet the requirement of environmental protection.
Claims (3)
1. a kind of industrial waste salt carbonization treatment method it is characterised in that：
The process equipment implementing the method is by feeder, flash dryer, pneumatic tube predecomposition device, spouted bed carbide furnace, sky
Gas heating incinerator, one-level catcher, two grades of catchers, circulating fan, aerator, waste heat boiler, eluting column, pipe-line system and
Control system forms；
Abraum salt is sent into flash dryer by feeder and is dried, and removes the moisture in abraum salt；Dried abraum salt is caught through one-level
Storage traps, and sends into pneumatic tube predecomposition device and carry out heat resolve；Abraum salt after predecomposition traps through two grades of catchers, send
Enter spouted bed carbide furnace and carry out carbonization treatment, the carbonization salt after carbonization overflows as product and discharges out of the furnace；
Meanwhile, the tail gas after flash dryer dry materials is through one-level catcher, and sends into air heating by circulating fan
Incinerator carries out high temperature incineration；Air heats the hot-air that incinerator produces, and its major part sends into spouted bed carbonization through aerator
In stove, provide institute's calorific requirement for material carbonization treatment, remainder empties through residual heat boiler for exchanging heat, then after eluting column drip washing；
Tail gas after spouted bed carbide furnace material carbonization enters pneumatic tube preheater, is pneumatic tube predecomposition device to material predecomposition
Process and institute's calorific requirement is provided；Tail gas after pneumatic tube predecomposition implements material predecomposition, through two grades of catchers, enters expansion drying
Machine, provides heat for abraum salt dried.
2. according to claim 1 industrial waste salt carbonization treatment method it is characterised in that：Described flash dryer 250～
It is dried at a temperature of 350 DEG C；Described pneumatic tube predecomposition device predecomposition abraum salt is carried out at a temperature of 400～500 DEG C；Described
In spouted bed carbide furnace, material carbonization is carried out at a temperature of 500～750 DEG C, and material carbonization time and carbonation rate are according to Industry Waste
Salt constituent is adjusted；Described air heating incinerator carries out gas burning at 1000～1100 DEG C；Described through drip washing
After tower dedusting, the exhaust temperature of emptying is below 150 DEG C.
3. according to claim 1 industrial waste salt carbonization treatment method it is characterised in that：Described pneumatic tube predecomposition device and
Spray-moving type carbide furnace can not limit compound mode according to impurity content combination in any in abraum salt.
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106914474A (en) * | 2017-04-17 | 2017-07-04 | 辽宁东大粉体工程技术有限公司 | A kind of Processes and apparatus of industrial waste salt decomposition carbonization harmless treatment |
| CN107185948A (en) * | 2017-06-13 | 2017-09-22 | 北京纬纶华业环保科技股份有限公司 | A kind of industrial waste salt system and method |
| CN107803395A (en) * | 2017-12-11 | 2018-03-16 | 广州叶林环保科技有限公司 | A kind of organic abraum salt low-temperature carbonization handling process |
| CN108278613A (en) * | 2018-04-04 | 2018-07-13 | 江苏科行环保股份有限公司 | The apparatus and method that industrial dangerous waste salt disposition and resource utilization utilize |
| CN108408744A (en) * | 2018-02-08 | 2018-08-17 | 聊城鲁西聚碳酸酯有限公司 | A kind of system and method that hot fluid is classified organic matter in stripping process industrial waste salt |
| CN108479088A (en) * | 2018-03-02 | 2018-09-04 | 东南大学 | Salty organic waste liquid desalination pyrolysis treating method and system |
| CN109579025A (en) * | 2018-11-27 | 2019-04-05 | 东北大学 | A kind of industrial waste salt efficient fusion incinerator |
| CN109681885A (en) * | 2019-01-30 | 2019-04-26 | 重庆世银科技有限公司 | A kind of self- propagating pyrolysis system applied to fixed-end forces |
| CN109865734A (en) * | 2019-03-13 | 2019-06-11 | 兰州有色冶金设计研究院有限公司 | A method of vitreum is produced using chemical industry abraum salt |
| CN109970078A (en) * | 2019-04-02 | 2019-07-05 | 江苏杰林环保科技有限公司 | A method of decomposing organic matter in chemical industry abraum salt |
| CN109970079A (en) * | 2019-04-02 | 2019-07-05 | 江苏杰林环保科技有限公司 | A kind of chemical industry abraum salt refining methd |
| CN110372013A (en) * | 2019-07-30 | 2019-10-25 | 天津理工大学 | A method of refining industrial salt is prepared using industrial waste salt |
| CN113385517A (en) * | 2021-05-08 | 2021-09-14 | 江苏杰林环保科技有限公司 | Harmless treatment method for chemical waste salt |
| CN115846356A (en) * | 2022-11-21 | 2023-03-28 | 江南大学 | Method for removing organic pollutants in industrial waste salt |
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| CN109865734A (en) * | 2019-03-13 | 2019-06-11 | 兰州有色冶金设计研究院有限公司 | A method of vitreum is produced using chemical industry abraum salt |
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| CN110372013A (en) * | 2019-07-30 | 2019-10-25 | 天津理工大学 | A method of refining industrial salt is prepared using industrial waste salt |
| CN113385517A (en) * | 2021-05-08 | 2021-09-14 | 江苏杰林环保科技有限公司 | Harmless treatment method for chemical waste salt |
| CN115846356A (en) * | 2022-11-21 | 2023-03-28 | 江南大学 | Method for removing organic pollutants in industrial waste salt |
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