CN209502536U - A kind of industrial waste salt resource utilization device - Google Patents
A kind of industrial waste salt resource utilization device Download PDFInfo
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- CN209502536U CN209502536U CN201822257761.1U CN201822257761U CN209502536U CN 209502536 U CN209502536 U CN 209502536U CN 201822257761 U CN201822257761 U CN 201822257761U CN 209502536 U CN209502536 U CN 209502536U
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Abstract
The utility model provides a kind of industrial waste salt resource utilization device, including organic matter removal system, impurity removed system and isolates and purifies system, wherein organic matter removal system, impurity removed system and isolates and purifies system and is sequentially connected.Organic matter removal system and impurity removed system can remove organic matter, metal ion and hardness etc. in abraum salt, improve the purity of salt, while meeting the water inlet requirement of subsequent technique, and phenomenon is blocked up in the dirt for alleviating the system that isolates and purifies.Industrial waste salt resource utilization device provided by the utility model can remove the impurity such as organic matter, the metal ion contained in abraum salt, separating-purifying salt, quality can also be reached to the standard of refining industrial salt, abraum salt is made to achieve the purpose that resource utilization utilizes.
Description
Technical field
The utility model relates to industrial dangerous waste salt treatment technical fields, belong to a kind of industrial waste salt resource utilization device.
Background technique
Industrial waste salt refer to that industrial processes generate containing organic matter and other poisonous and harmful substances and moisture
Abraum salt；It is mainly derived from the industries such as petrochemical industry, pesticide, medicine and fine chemistry industry.The purposes of Nacl in chemical and other industries
It is very wide, it is one of most basic raw material of chemical industry, and the strategic resource that country is extremely valuable, recycles industrial waste salt,
Harm of the abraum salt to environment can be not only eliminated, abraum salt can also be recycled and adequately be utilized, realizes circular economy.
Secondary concentration crystallization treatment, direct heating power are burnt after method common for abraum salt containing organic matter has dissolution to refine at present
The methods of burning method, high temperature cabonization, but these methods are not high to the removal rate of the organic matter in abraum salt, and single abraum salt is come
It says, the impurity such as heavy metal, organic matter can be contained in solid salt；And for mixed salt, this solid salt not only contains organic matter
Outside heavy metal, also contain sodium chloride, sodium nitrate, sodium sulphate, these all can be such that the use of salt is restricted, can only a small amount of conduct
Deicing salt or woven fabric dying agent use；And remaining most of salt can only fill either heap and abandon, this is not only easy to make environment
At pollution, the significant wastage of resource is also resulted in.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the prior art to remove the organic matter in abraum salt containing organic matter
Except rate is low, the problems such as salt utilization rate after processing is low, to propose a kind of industrial waste salt resource utilization device.
A kind of industrial waste salt resource utilization device, comprising:
Organic matter removal system, for removing the organic matter in abraum salt；
Impurity removed system, for removing the heavy metal ion in abraum salt, hardness and the trace organic substance of remnants；
System is isolated and purified, separating-purifying salt is used for；
Wherein, it organic matter removal system, impurity removed system and isolates and purifies system and is successively linked in sequence.
Further, the organic matter removal system includes:
Drying device, for removing the moisture in industrial waste salt；
Pyrolysis furnace, for removing the organic substance in abraum salt；
Dissolving tank, for dissolving the abraum salt after cracking；
More medium filter, for filtering out insoluble carbon black, small-molecule substance in dissolving tank water outlet；
Heterogeneous catalytic oxidation device is used for the remaining organic matter of further catalytic degradation；
The pyrolysis furnace, dissolving tank, more medium filter, heterogeneous catalytic oxidation device are successively linked in sequence.
Direct Pyrolysis or indirectly cracking can be used in the pyrolysis furnace.
The reaction temperature of the pyrolysis furnace is within the scope of 450-600 degree.
Further, the impurity removed system includes:
The efficient clarifier of level-one, the level-one high-efficiency clarifier is mating to be provided with chemicals dosing plant 1, for removing in abraum salt
Most of heavy metal ion and remaining trace organic substance；
The efficient clarifying reaction device of second level, the Secondary clarifier is mating to be provided with chemicals dosing plant 2, for removing calcium in abraum salt
Magnesium ion and remaining trace organic substance；
Ultrafiltration apparatus makes for removing the impurity in the efficient clarifying reaction device water outlet of second level into ion interchange unit
It intakes more stable；
Ion interchange unit, for completely removing calcium ions and magnesium ions in water；
The efficient clarifier of level-one, the efficient clarifying reaction device of second level, ultrafiltration apparatus, ion interchange unit is successively pressed suitable
Sequence connection.
Further, for containing the single abraum salt of organic matter, the system that isolates and purifies includes:
Reverse osmosis unit, for the monovalence salting liquid of nanofiltration generation to be concentrated；
Multiple-effect evaporation crystalline element, for evaporating the moisture in purified salt；
The reverse osmosis unit, multiple-effect evaporation crystalline element are successively linked in sequence.
Further, for mixed salt containing organic matter, the system that isolates and purifies includes:
Nanofiltration device, for separating the sodium sulphate divalent salts in retention solution；
Reverse osmosis unit, for the monovalence salting liquid of nanofiltration generation to be concentrated；
Multiple-effect evaporation crystalline element by controlling different temperatures, Isolating chlorinated sodium and sodium nitrate, while evaporating in purified salt
Moisture；
The nanofiltration device, reverse osmosis unit, multiple-effect evaporation crystalline element are successively linked in sequence.
Technical solution of the present invention has the advantages that
1. the utility model provides a kind of industrial waste salt resource utilization device, tentatively removed in abraum salt by pyrolysis furnace
The organic substance of the overwhelming majority；Organic matter not only organic matter removal low efficiency is removed using directly burning, while can also generate two
Dislike the harmful substances such as English；Using the organic matter in absorption method removal abraum salt, higher cost, and treated that adsorbent can only conduct
Dangerous waste is disposed；And extraction process is suitable for high level product, it is not applicable for environment protection field abraum salt.Comparing has with others
Machine object removal technique, pyrolysis furnace degradation of organic substances will not generate the harmful substances such as dioxin, while organic matter removal is high-efficient, at
This is low.
2. the utility model provides a kind of industrial waste salt resource utilization device, separating-purifying salt effect is good, purified
Salt reach industrial refined salt standard.
3. treated, sodium chloride can be used as the raw material of chlor-alkali industry, widen the outlet of abraum salt recycling.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram of industrial waste salt resource utilization device of the present invention.
Specific embodiment
Technical solution of the present invention will be clearly and completely described below, it is clear that described embodiment is this reality
With novel a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of industrial waste salt resource utilization device, comprising:
Organic matter removal system, for removing the organic matter in abraum salt；
Impurity removed system, for removing the heavy metal ion in abraum salt, hardness and the trace organic substance of remnants；
System is isolated and purified, separating-purifying salt is used for；
Wherein, it organic matter removal system, impurity removed system and isolates and purifies system and is successively linked in sequence.
Wherein, the organic matter removal system includes:
Drying device, for removing the moisture in industrial waste salt；
Pyrolysis furnace, for removing the organic substance in abraum salt；
Dissolving tank, for dissolving the abraum salt after cracking；
More medium filter, for filtering out insoluble carbon black, small-molecule substance in dissolving tank water outlet；
Heterogeneous catalytic oxidation device is used for the remaining organic matter of further catalytic degradation；
The pyrolysis furnace, dissolving tank, more medium filter, multinomial catalytic oxidizing equipment are successively linked in sequence.
Wherein, the impurity removed system includes:
The efficient clarifier of level-one, the level-one high-efficiency clarifier is mating to be provided with chemicals dosing plant 1, for removing in abraum salt
Most of heavy metal ion and remaining trace organic substance；
The efficient clarifying reaction device of second level, the Secondary clarifier is mating to be provided with chemicals dosing plant 2, for removing calcium in abraum salt
Magnesium ion and remaining trace organic substance；
Ultrafiltration apparatus makes for removing the impurity in the efficient clarifying reaction device water outlet of second level into ion interchange unit
It intakes more stable；
Ion interchange unit, for completely removing the calcium ions and magnesium ions in abraum salt；
The efficient clarifier of level-one, the efficient clarifying reaction device of second level, ultrafiltration apparatus, ion exchange system is successively pressed suitable
Sequence connection.
Wherein, for the single abraum salt containing organic matter, the system that isolates and purifies includes:
Reverse osmosis unit, for the monovalence salting liquid of nanofiltration generation to be concentrated；
Multiple-effect evaporation crystalline element, for evaporating the moisture in purified salt；
The reverse osmosis unit, multiple-effect evaporation crystalline element are successively linked in sequence.
Wherein, for the mixed abraum salt containing organic matter, the system that isolates and purifies includes:
Nanofiltration device, for separating the sodium sulphate divalent salts in retention solution；
Reverse osmosis unit, for the monovalence salting liquid of nanofiltration generation to be concentrated；
Multiple-effect evaporation crystalline element by controlling different temperatures, Isolating chlorinated sodium and sodium nitrate, while evaporating in purified salt
Moisture；
The nanofiltration device, reverse osmosis unit, multiple-effect evaporation crystalline element are successively linked in sequence.
Industrial waste salt initially enters drying device and is dehydrated, and subsequently into pyrolysis furnace, removes in industrial waste salt
Organic matter, the exhaust gas generated in cracking process enter smoke processing system from pyrolysis furnace exhaust outlet and are purified, useless after cracking
Salt, which enters dissolving tank, dissolve and is filtered using more medium filter, and filter residue is discharged into precipitation concentration pond, and filtrate is sent into
Heterogeneous catalytic oxidation device further removes the organic substance in abraum salt, after the reaction was completed, filtrate is sent into level-one highly effective reaction
Organic sulfur, milk of lime, PAM are added into level-one high efficiency reactor from dosing tank 1 for device, remove most heavy metal ion and
Remaining trace organic substance, the filter residue of generation are discharged into precipitation concentration pond, and filtrate then enters second level high efficiency reactor, by dosing tank 2
Soda ash, NaOH, PAM are added into second level high efficiency reactor, remove part metals and reduces the hardness of water, while removing a small amount of residual
The trace organic substance stayed, after filtering, filter residue are discharged into precipitation concentration pond, and filtrate sequentially enters ultrafiltration apparatus and ion exchange dress
Set, completely remove the calcium and magnesium impurity in water, to the single abraum salt containing organic matter, filtrate be directly entered in reverse osmosis unit carry out it is dense
Contracting, concentrate are directly entered multiple-effect evaporation crystalline element evaporative crystallization；For mixed salt, filtrate initially enters nanofiltration device separation two
Valence salt, enters back into reverse osmosis unit, and the concentrate after reverse osmosis treatment enters multiple-effect evaporation crystalline element evaporative crystallization, passes through
Different temperatures is controlled, NaCl, NaNO are made3Separation obtains exquisite pure salt；And the aqueous filter residue for entering precipitation concentration pond is dry through being dehydrated
Harmless treatment is carried out after dry.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, other different forms can also be made on the basis of the above description
Variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this apparent
Variation or
It changes still within the protection scope of the invention.
Claims (7)
1. a kind of industrial waste salt resource utilization device characterized by comprising
Organic matter removal system, for removing the organic matter in abraum salt；
Impurity removed system, for removing the heavy metal ion in abraum salt, hardness and the trace organic substance of remnants；
System is isolated and purified, separating-purifying salt is used for；
Wherein, it organic matter removal system, impurity removed system and isolates and purifies system and is successively linked in sequence.
2. industrial waste salt resource utilization device according to claim 1, it is characterised in that: the organic matter removal system
Include:
Drying device, for removing the moisture in industrial waste salt；
Pyrolysis furnace, for removing the organic substance in abraum salt；
Dissolving tank, for dissolving the abraum salt after cracking；
More medium filter, for filtering out insoluble carbon black, small-molecule substance in dissolving tank water outlet；
Heterogeneous catalytic oxidation device is used for the remaining organic matter of further catalytic degradation；
The drying device, pyrolysis furnace, dissolving tank, more medium filter, heterogeneous catalytic oxidation device are successively linked in sequence.
3. a kind of industrial waste salt resource utilization device according to claim 1, it is characterised in that: the impurity removed system packet
It includes:
The efficient clarifier of level-one, the level-one high-efficiency clarifier is mating to be provided with chemicals dosing plant 1, big in abraum salt for removing
Part heavy metal ion and remaining trace organic substance；
The efficient clarifying reaction device of second level, the efficient clarifying reaction device of second level is mating to be provided with chemicals dosing plant 2, for removing abraum salt
Middle calcium ions and magnesium ions and remaining trace organic substance；
Ultrafiltration apparatus makes the water inlet into ion interchange unit for removing the impurity in the efficient clarifying reaction device water outlet of second level
It is more stable；
Ion interchange unit, for completely removing calcium ions and magnesium ions in water；
The efficient clarifier of level-one, the efficient clarifying reaction device of second level, ultrafiltration apparatus, ion interchange unit successively connect in order
It connects.
4. a kind of industrial waste salt resource utilization device according to claim 1, it is characterised in that: described isolate and purify be
Include: when the system single abraum salt of processing
Reverse osmosis unit, for the monovalence salting liquid of nanofiltration generation to be concentrated；
Multiple-effect evaporation crystalline element, for evaporating the moisture content in purified salt；
The reverse osmosis unit, multiple-effect evaporation crystalline element are successively linked in sequence.
5. a kind of industrial waste salt resource utilization device according to claim 1, it is characterised in that: described isolate and purify be
Include: when system processing is containing organic matter mixed salt
Nanofiltration device, for separating the sodium sulphate divalent salts in retention solution；
Reverse osmosis unit, for the monovalence salting liquid of nanofiltration output to be concentrated；
Multiple-effect evaporation crystalline element by controlling different temperatures, Isolating chlorinated sodium and sodium nitrate, while evaporating the water in purified salt
Part；
The nanofiltration device, reverse osmosis unit, multiple-effect evaporation crystalline element are successively linked in sequence.
6. a kind of industrial waste salt resource utilization device according to claim 2, it is characterised in that: the pyrolysis furnace can be adopted
With Direct Pyrolysis or cracking indirectly.
7. a kind of industrial waste salt resource utilization device according to claim 2, it is characterised in that: the pyrolysis furnace it is anti-
Answer temperature within the scope of 450-600 DEG C.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110844922A (en) * | 2019-11-15 | 2020-02-28 | 清大国华环境集团股份有限公司 | Method and equipment for recycling industrial waste salt |
| CN111112296A (en) * | 2019-12-27 | 2020-05-08 | 洛南环亚源铜业有限公司 | Resource utilization treatment method for industrial waste salt |
| CN111925671A (en) * | 2020-06-20 | 2020-11-13 | 浙江新时代中能循环科技有限公司 | Method for efficiently utilizing industrial hazardous waste ion exchange resin resources |
| CN112374674A (en) * | 2020-09-18 | 2021-02-19 | 安徽普朗膜技术有限公司 | Industrial waste salt treatment system and process |
| WO2021093773A1 (en) * | 2019-11-15 | 2021-05-20 | 清大国华环境集团股份有限公司 | Method and device for resourceful treatment of industrial waste salt |
| CN113880115A (en) * | 2021-10-09 | 2022-01-04 | 江苏迈安德节能蒸发设备有限公司 | Production method for separating and refining waste miscellaneous salt containing sodium chloride and sodium sulfate |
-
2018
- 2018-12-29 CN CN201822257761.1U patent/CN209502536U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110844922A (en) * | 2019-11-15 | 2020-02-28 | 清大国华环境集团股份有限公司 | Method and equipment for recycling industrial waste salt |
| WO2021093773A1 (en) * | 2019-11-15 | 2021-05-20 | 清大国华环境集团股份有限公司 | Method and device for resourceful treatment of industrial waste salt |
| US11332379B2 (en) | 2019-11-15 | 2022-05-17 | Go Higher Environment Group Co., Ltd. | Industrial waste salt resourceful treatment method and device |
| CN111112296A (en) * | 2019-12-27 | 2020-05-08 | 洛南环亚源铜业有限公司 | Resource utilization treatment method for industrial waste salt |
| CN111925671A (en) * | 2020-06-20 | 2020-11-13 | 浙江新时代中能循环科技有限公司 | Method for efficiently utilizing industrial hazardous waste ion exchange resin resources |
| CN112374674A (en) * | 2020-09-18 | 2021-02-19 | 安徽普朗膜技术有限公司 | Industrial waste salt treatment system and process |
| CN113880115A (en) * | 2021-10-09 | 2022-01-04 | 江苏迈安德节能蒸发设备有限公司 | Production method for separating and refining waste miscellaneous salt containing sodium chloride and sodium sulfate |
| CN113880115B (en) * | 2021-10-09 | 2023-08-25 | 江苏迈安德节能蒸发设备有限公司 | Waste salt separating and refining production method containing sodium chloride and sodium sulfate |
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