CN107803395A - A kind of organic abraum salt low-temperature carbonization handling process - Google Patents
A kind of organic abraum salt low-temperature carbonization handling process Download PDFInfo
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- CN107803395A CN107803395A CN201711305283.0A CN201711305283A CN107803395A CN 107803395 A CN107803395 A CN 107803395A CN 201711305283 A CN201711305283 A CN 201711305283A CN 107803395 A CN107803395 A CN 107803395A
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- salt
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- industrial waste
- temperature
- abraum
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- 150000003839 salts Chemical class 0.000 title claims abstract description 89
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000003763 carbonization Methods 0.000 title claims abstract description 26
- 239000002440 industrial waste Substances 0.000 claims abstract description 37
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 20
- 239000005416 organic matter Substances 0.000 claims abstract description 12
- 239000000470 constituent Substances 0.000 claims abstract description 8
- 238000005255 carburizing Methods 0.000 claims abstract description 6
- 150000001721 carbon Chemical class 0.000 claims abstract description 4
- PALNZFJYSCMLBK-UHFFFAOYSA-K magnesium;potassium;trichloride;hexahydrate Chemical compound O.O.O.O.O.O.[Mg+2].[Cl-].[Cl-].[Cl-].[K+] PALNZFJYSCMLBK-UHFFFAOYSA-K 0.000 claims description 9
- 238000002425 crystallisation Methods 0.000 claims description 3
- 230000008025 crystallization Effects 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- MKXKFYHWDHIYRV-UHFFFAOYSA-N flutamide Chemical compound CC(C)C(=O)NC1=CC=C([N+]([O-])=O)C(C(F)(F)F)=C1 MKXKFYHWDHIYRV-UHFFFAOYSA-N 0.000 claims description 3
- 229960002074 flutamide Drugs 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 239000003507 refrigerant Substances 0.000 claims description 3
- 238000003303 reheating Methods 0.000 claims description 3
- 239000002352 surface water Substances 0.000 claims description 3
- 229910017435 S2 In Inorganic materials 0.000 claims 1
- 239000012535 impurity Substances 0.000 abstract description 7
- 239000002893 slag Substances 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 10
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 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
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 238000010000 carbonizing Methods 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000010924 continuous production 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
- 238000005008 domestic process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
-
- 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
- C01D3/04—Chlorides
- C01D3/08—Preparation by working up natural or industrial salt mixtures or siliceous minerals
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of organic abraum salt low-temperature carbonization handling process of energy-conserving and environment-protective technical fiel, the handling process comprises the following steps that：S1：Organic abraum salt is classified；S2：Dewater treatment is dried in the surface of industrial waste salt；S3：The organic matter in industrial waste salt is set to form fugitive constituent and organic carbon；S4：After being handled for organic carbon salt, industrial salt is obtained；S5：According to the content of different organic matters in industrial waste salt, it is carbonized using classification, the organic matter in industrial waste salt is formed fugitive constituent and organic carbon；S6：The organic carbon formed in step S6 is handled, obtains industrial salt；S7：Caused tail gas heating burns in carbonisation, the present invention solves the problems, such as that high temperature cabonization handles the softening of abraum salt present in abraum salt technique, equipment bonding, carbonization is uneven and organic impurities removal is not net according to the critical softening point of the different salt slags carburizing temperature different with critical carbonization point selection and carbonization method.
Description
Technical field
The present invention relates to energy-conserving and environment-protective technical fiel, specially a kind of organic abraum salt low-temperature carbonization handling process.
Background technology
With the fast development of China's chemical industry, the quantum of output of organic abraum salt in chemical process production is more and more,
With the appearance successively of national new legislation, qualitative environmental administration is hazardous waste, and the supervision to organic salt will be more strict, at present
Preferable treatment and use method is not found.
At present, the domestic method for handling organic abraum salt mainly has following several：First, desalinization of soil by flooding or leaching method, is removed with water or detergent
Impurity or other compositions in organic abraum salt, secondary method are applied to handle the abraum salt single, impurity content is few；Second, high-temperature process
Method, the organic impurities in salt slag is resolved into gas at high temperature, then gas is handled, so as to reach removal organic impurities
Purpose, in pyrolytic, have it is direct brine waste is thermally decomposed, also some is decomposed to solid crystal abraum salt
Processing, but in high-temperature process, easily there is the problems such as spray nozzle clogging, abrasion, high temperature bond, stammerer and equipment corrosion；Third,
High temperature cabonization method, this method are a kind of methods for the organic abraum salt of processing released in recent years, and its principle is at high operating temperatures
Carbonization decomposition is carried out to organic abraum salt, the organic moiety in abraum salt is decomposed into escaping gas, part coking turns into organic
Carbon, the problem of it is present are that the surface softening of carburizing temperature and salt is whard to control, easily form the bonding to carbonizing apparatus, influence
Continuous production；Fourth, Method of Soda processed, after salt slag is made into saturated brine solution, is passed through nitrogen, titanium dioxide under certain condition
Carbon gas forms solid sodium bicarbonate, and soda ash is made through pyrolytic, but there is the organic impurities in abraum salt to go for this method
Except it is unnet the problem of.To be come into operation therefore, we have proposed a kind of organic abraum salt low-temperature carbonization handling process, to solve above-mentioned ask
Topic.
The content of the invention
It is an object of the invention to provide a kind of organic abraum salt low-temperature carbonization handling process, to solve in above-mentioned background technology
The problem of proposition.
To achieve the above object, the present invention provides following technical scheme：A kind of organic abraum salt low-temperature carbonization handling process, should
Handling process comprises the following steps that：
S1：Organic abraum salt is classified, is classified as low content carnallite and high content carnallite；
S2：Select content of organics relatively low and containing the industrial waste salt of certain surface water, the surface of industrial waste salt is dried
Dewater treatment, abraum salt is set to form the higher particle of mobility；
S3：At a suitable temperature, dried industrial waste salt is combined with the hot-air that certain temperature flows, passes through the carbon that conducts heat
Change, the organic matter in industrial waste salt is formed fugitive constituent and organic carbon；
S4：Dissolved, washed for organic carbon salt, being filtered and crystallization treatment after, obtain industrial salt；
S5：For high content carnallite, according to the content of different organic matters in industrial waste salt, using classification carbon in carbonisation
Change, i.e., organism kinds and content in industrial waste salt, be carbonized, made in industrial waste salt using different carburizing temperatures
Organic matter form fugitive constituent and organic carbon；
S6：Repeat step S4, the organic carbon formed in step S6 is handled, obtains industrial salt；
S7：To step S3 and S5, caused tail gas takes off organic matter tar through eluting in carbonisation, and reheating air, by
Circulating fan is recycled, and unnecessary gas is discharged and heats burning.
Preferably, in the step S1, according to the organic components and content of industrial waste salt, Inorganic Salts and content come
Determine the classification species of abraum salt.
Preferably, in the step S2, in the drying and dehydrating processing procedure of industrial waste salt, refrigerant is used as by the use of flutamide
And by compressor work, become the high temperature and high pressure gas that temperature is up to 85~115 DEG C, heat is discharged by blower fan, makes its right
The moisture on industrial waste salt surface is dried.
Preferably, in the step S3, the temperature on dried its surface of industrial waste salt is maintained at 25~35 DEG C, flowing
The temperature of hot-air is 90~100 DEG C.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention is according to the critical softening points of different salt slags and faces
The different carburizing temperature of boundary's carbonization point selection and carbonization method, it is soft to solve abraum salt present in high temperature cabonization processing abraum salt technique
Change, equipment bonding, carbonization inequality and organic impurities remove the problem of unnet.
Brief description of the drawings
Fig. 1 is process chart of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Referring to Fig. 1, the present invention provides a kind of technical scheme：A kind of organic abraum salt low-temperature carbonization handling process, the processing
Technique comprises the following steps that：
S1：Organic abraum salt is classified, is classified as low content carnallite and high content carnallite, according to the organic matter of industrial waste salt
Composition and content, Inorganic Salts and content determine the classification species of abraum salt；
S2：Select content of organics relatively low and containing the industrial waste salt of certain surface water, the surface of industrial waste salt is dried
Dewater treatment, abraum salt is formed the higher particle of mobility, in the drying and dehydrating processing procedure of industrial waste salt, utilize flutamide
As refrigerant and by compressor work, become the high temperature and high pressure gas that temperature is up to 85~115 DEG C, heat is discharged by blower fan
Amount, is dried its moisture to industrial waste salt surface；
S3：At a suitable temperature, dried industrial waste salt is combined with the hot-air that certain temperature flows, passes through the carbon that conducts heat
Change, be maintained at the formation fugitive constituent of the organic matter in industrial waste salt and organic carbon, the temperature on dried its surface of industrial waste salt
25~35 DEG C, the temperature of the hot-air of flowing is 90~100 DEG C；
S4：Dissolved, washed for organic carbon salt, being filtered and crystallization treatment after, obtain industrial salt；
S5：For high content carnallite, according to the content of different organic matters in industrial waste salt, using classification carbon in carbonisation
Change, i.e., organism kinds and content in industrial waste salt, be carbonized, made in industrial waste salt using different carburizing temperatures
Organic matter form fugitive constituent and organic carbon；
S6：Repeat step S4, the organic carbon formed in step S6 is handled, obtains industrial salt；
S7：To step S3 and S5, caused tail gas takes off organic matter tar through eluting in carbonisation, and reheating air, by
Circulating fan is recycled, and unnecessary gas is discharged and heats burning.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (4)
- A kind of 1. organic abraum salt low-temperature carbonization handling process, it is characterised in that：The handling process comprises the following steps that：S1：Organic abraum salt is classified, is classified as low content carnallite and high content carnallite；S2：Select content of organics relatively low and containing the industrial waste salt of certain surface water, the surface of industrial waste salt is dried Dewater treatment, abraum salt is set to form the higher particle of mobility；S3：At a suitable temperature, dried industrial waste salt is combined with the hot-air that certain temperature flows, passes through the carbon that conducts heat Change, the organic matter in industrial waste salt is formed fugitive constituent and organic carbon；S4：Dissolved, washed for organic carbon salt, being filtered and crystallization treatment after, obtain industrial salt；S5：For high content carnallite, according to the content of different organic matters in industrial waste salt, using classification carbon in carbonisation Change, i.e., organism kinds and content in industrial waste salt, be carbonized, made in industrial waste salt using different carburizing temperatures Organic matter form fugitive constituent and organic carbon；S6：Repeat step S4, the organic carbon formed in step S6 is handled, obtains industrial salt；S7：To step S3 and S5, caused tail gas takes off organic matter tar through eluting in carbonisation, and reheating air, by Circulating fan is recycled, and unnecessary gas is discharged and heats burning.
- A kind of 2. organic abraum salt low-temperature carbonization handling process according to claim 1, it is characterised in that：The step S1 In, the classification species of abraum salt is determined according to the organic components and content of industrial waste salt, Inorganic Salts and content.
- A kind of 3. organic abraum salt low-temperature carbonization handling process according to claim 1, it is characterised in that：The step S2 In, in the drying and dehydrating processing procedure of industrial waste salt, by the use of flutamide as refrigerant and by compressor work, become temperature Up to 85~115 DEG C of high temperature and high pressure gas, heat is discharged by blower fan, does its moisture to industrial waste salt surface It is dry.
- A kind of 4. organic abraum salt low-temperature carbonization handling process according to claim 1, it is characterised in that：The step S3 In, the temperature on dried its surface of industrial waste salt is maintained at 25~35 DEG C, and the temperature of the hot-air of flowing is 90~100 DEG C.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109570194A (en) * | 2018-11-23 | 2019-04-05 | 华南理工大学 | A kind of full recycling processing method of sodium sulfate salt slag |
| CN109911917A (en) * | 2019-01-16 | 2019-06-21 | 江苏盛勤环境工程有限公司 | The dangerous waste of organic matter containing complicated ingredient consolidates the process of salt resource regeneration |
| CN109945597A (en) * | 2019-03-30 | 2019-06-28 | 济南中昌干燥设备有限公司 | A kind of drying means of the abraum salt containing organic matter |
| CN110180864A (en) * | 2019-05-31 | 2019-08-30 | 卞为国 | Kitchen garbage carbonization treatment apparatus |
| 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 |
| CN110586615A (en) * | 2019-09-02 | 2019-12-20 | 南京格洛特环境工程股份有限公司 | Continuous preparation process of saturated brine |
| CN110615452A (en) * | 2019-10-18 | 2019-12-27 | 南京理工大学 | Method for treating waste salt residues of sodium sulfate in sectional manner and recycling sodium sulfate |
| CN111484365A (en) * | 2020-03-12 | 2020-08-04 | 山东清博生态材料综合利用有限公司 | Organic potash fertilizer prepared from waste potassium salt and preparation method thereof |
| CN111715664A (en) * | 2020-06-24 | 2020-09-29 | 苏州乔发环保科技股份有限公司 | Treatment method for recycling carbonized industrial waste salt |
| CN112029517A (en) * | 2020-07-31 | 2020-12-04 | 宁夏三丰化工有限公司 | Harmless modular treatment process for fine chemical waste salt |
| CN114249336A (en) * | 2021-12-30 | 2022-03-29 | 盐城市国投环境技术股份有限公司 | Process for preparing industrial sodium carbonate by using chemical tail gas waste salt |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109570194A (en) * | 2018-11-23 | 2019-04-05 | 华南理工大学 | A kind of full recycling processing method of sodium sulfate salt slag |
| CN109570194B (en) * | 2018-11-23 | 2022-03-29 | 华南理工大学 | Full recycling treatment method of sodium sulfate slag |
| CN109911917A (en) * | 2019-01-16 | 2019-06-21 | 江苏盛勤环境工程有限公司 | The dangerous waste of organic matter containing complicated ingredient consolidates the process of salt resource regeneration |
| CN109945597B (en) * | 2019-03-30 | 2020-11-20 | 济南中昌干燥设备有限公司 | Drying method of waste salt containing organic matters |
| CN109945597A (en) * | 2019-03-30 | 2019-06-28 | 济南中昌干燥设备有限公司 | A kind of drying means of the abraum salt containing organic matter |
| CN110180864A (en) * | 2019-05-31 | 2019-08-30 | 卞为国 | Kitchen garbage carbonization treatment apparatus |
| 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 |
| CN110586615A (en) * | 2019-09-02 | 2019-12-20 | 南京格洛特环境工程股份有限公司 | Continuous preparation process of saturated brine |
| CN110615452A (en) * | 2019-10-18 | 2019-12-27 | 南京理工大学 | Method for treating waste salt residues of sodium sulfate in sectional manner and recycling sodium sulfate |
| CN111484365A (en) * | 2020-03-12 | 2020-08-04 | 山东清博生态材料综合利用有限公司 | Organic potash fertilizer prepared from waste potassium salt and preparation method thereof |
| CN111484365B (en) * | 2020-03-12 | 2022-05-27 | 山东清博生态材料综合利用有限公司 | Organic potash fertilizer prepared from waste potassium salt and preparation method thereof |
| CN111715664A (en) * | 2020-06-24 | 2020-09-29 | 苏州乔发环保科技股份有限公司 | Treatment method for recycling carbonized industrial waste salt |
| CN112029517A (en) * | 2020-07-31 | 2020-12-04 | 宁夏三丰化工有限公司 | Harmless modular treatment process for fine chemical waste salt |
| CN114249336A (en) * | 2021-12-30 | 2022-03-29 | 盐城市国投环境技术股份有限公司 | Process for preparing industrial sodium carbonate by using chemical tail gas waste salt |
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