CN207596760U - The device of organic matter is recycled in a kind of dimethyl sulfoxide (DMSO) abraum salt - Google Patents
The device of organic matter is recycled in a kind of dimethyl sulfoxide (DMSO) abraum salt Download PDFInfo
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- CN207596760U CN207596760U CN201721245264.9U CN201721245264U CN207596760U CN 207596760 U CN207596760 U CN 207596760U CN 201721245264 U CN201721245264 U CN 201721245264U CN 207596760 U CN207596760 U CN 207596760U
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Abstract
The utility model also provides the device that organic matter is recycled in a kind of dimethyl sulfoxide (DMSO) abraum salt, the device of organic matter is recycled in dimethyl sulfoxide (DMSO) abraum salt, dimethyl sulfoxide (DMSO) abraum salt conveyer belt is connect through screw unloading with heater one, and the conveying pipeline of heater one is connect with fluid bed drying unit lower part；Refrigerating fluid is connect, and opposed with the conveying pipeline of heater one through conveying pipeline with fluid bed drying unit lower part；It is connect at the top of fluid bed drying unit through conveying pipeline with cyclone separator；Water absorption plant is connected at the top of cyclone separator.Air filter is connect once heater two with fluid bed drying unit bottom；Air filter two is connect through aerial cooler with fluid bed drying unit bottom.Organic matter in device recycling abraum salt：Dimethyl sulfoxide (DMSO) and dimethyl sulfone.Ratio during its shared salt gives up has 25 35%, sulfoxide production cost can be made to reduce by 1 3%, economic benefit is very considerable.And be conducive to the inorganic matter that abraum salt is（Sodium nitrate, methanesulfonic sodium）Return to utilize, ensure dimethyl sulfoxide (DMSO) production solid waste effectively disposed.
Description
Technical field
Dimethyl sulfoxide (DMSO) abraum salt is during dimethyl sulfoxide (DMSO) is produced, with two in sodium hydroxide and in dimethyl sulfoxide (DMSO)
Solid waste caused by nitrogen oxide and nitric acid, contains：Sodium nitrate：40-45%, sodium methanesulfonate：20-25%, dimethyl
Sulfone：12-16%, dimethyl sulfoxide (DMSO)：1.5-5%, inferior sodium nitrate：0.8-1.5%, moisture content：8-12%.The present invention is for recycling two
Dimethyl sulfone and dimethyl sulfoxide (DMSO) in methyl sulfoxide abraum salt remove inferior sodium nitrate and moisture content in dimethyl sulfoxide (DMSO) abraum salt.
Background technology
In existing recycling dimethyl sulfoxide (DMSO) abraum salt technology, such as China's number of patent application for 201220355966.3,
201410467409.4 two patented technologies, the methods of using evaporation, concentration, centrifuge, recrystallize, complex process, energy
Consumption is high.Recrystallization method is not completely separated organic matter.
Invention content
According to the composition and material characteristic of dimethyl sulfoxide (DMSO) abraum salt, with hot wind stove heat air to 80-120 DEG C, it is sent into stream
Change in bed drying unit or boiling drying unit, after temperature reaches 80 DEG C or more in drying unit, be broken for granular by dimethyl
Sulfoxide abraum salt is sent into drying equipment, and dimethyl sulfoxide (DMSO) abraum salt is kept to be in fluidized state in drying course.Hot-air is through protecting
Temperature enters water absorption plant, washing recycling dimethyl sulfone and dimethyl sulfoxide (DMSO) after 80 DEG C or more of cyclone separator.Absorbing liquid
Middle dimethyl sulfone concentration constantly increases, and extraction cooling, crystallization, centrifugation can obtain dimethyl sulfone product, and mother liquor returns to water absorption
Device reuses.When dimethyl sulfoxide (DMSO) content reaches 30% in absorbing liquid, mother liquor is subjected to dehydration in negative pressure state and is concentrated to
More than 95% content, then can obtain dimethyl sulfone with hydrogen peroxide oxidation.Treated, and abraum salt is small for the drying of pale or white Huang partially
Particle, main ingredient are conducive to further detach utilization for sodium nitrate and sodium methanesulfonate.
The utility model also provides the device that organic matter is recycled in a kind of dimethyl sulfoxide (DMSO) abraum salt simultaneously,
In dimethyl sulfoxide (DMSO) abraum salt recycle organic matter device, dimethyl sulfoxide (DMSO) abraum salt conveyer belt through screw unloading with
Heater one connects, and the conveying pipeline of heater one is connect with fluid bed drying unit lower part；
Refrigerating fluid is connect, and opposed with the conveying pipeline of heater one through conveying pipeline with fluid bed drying unit lower part；
It is connect at the top of fluid bed drying unit through conveying pipeline with cyclone separator；
Water absorption plant is connected at the top of cyclone separator.
Air filter is connect once heater two with fluid bed drying unit bottom；Air filter two is through air cooling
Device is connect with fluid bed drying unit bottom.
The conveying pipeline of heater one is connected to inside fluid bed drying unit, is placed in air filter once heater two
Into the top 0.5-0.8m of fluidized bed drying unit.
The conveying pipeline of refrigerating fluid is connected to inside fluid bed drying unit, is placed in air filter two through aerial cooler
Into the top 1.0-1.5m of fluidized bed drying unit.
Technical scheme of the present invention utilizes dimethyl sulfone heat sublimation characteristic, with hot air dimethyl sulfoxide (DMSO) abraum salt, makes
Dimethyl sulfone, which is heated to rise, turns to gaseous state, and entering water absorption plant with hot-air recycles.
Technical scheme of the present invention utilizes thermal diffusion principle of the dimethyl sulfoxide (DMSO) in gas, with hot air dimethyl
Sulfoxide abraum salt, dimethyl sulfoxide (DMSO) is heated to be diffused into hot-air enters the recycling of water absorption plant afterwards.
Technical scheme of the present invention utilizes the aerial unstability of sodium nitrite, accelerates sodium nitrite with hot-air
It is oxidized to sodium nitrate.
Description of the drawings
Fig. 1 is the equipment flowsheet of the present invention.
Wherein, 1. dimethyl sulfoxide (DMSO) abraum salt conveyer belt；2. heater one, 3. air filters one, 4. heaters two, 5. is empty
Air filter two, 6. aerial coolers, 7. fluid bed drying units, 8. refrigerating fluids, 9. cyclone separators, 10. retracting devices one,
11. retracting device two.
Specific embodiment
Embodiment 1
A kind of method that organic matter is recycled in dimethyl sulfoxide (DMSO) abraum salt, with hot wind stove heat air to 80-120 DEG C,
It is sent into fluid bed drying unit or boiling drying unit, after temperature reaches 90 DEG C in drying unit, the grain of 40 mesh will be broken for
Shape dimethyl sulfoxide (DMSO) abraum salt is sent into drying equipment, and dimethyl sulfoxide (DMSO) abraum salt is kept to be in fluidized state in journey in drying；
Hot-air is warm to enter water absorption plant after 90 DEG C of cyclone separator, and dimethyl sulfone, which is heated to rise, turns to gas
State enters water absorption plant with hot-air, washing recycling dimethyl sulfone and dimethyl sulfoxide (DMSO), and dimethyl sulfone concentration is not in absorbing liquid
Break and increase, extraction cooling, crystallization, centrifugation can obtain dimethyl sulfone product, and mother liquor returns to water absorption plant and reuses；
Using the aerial unstability of sodium nitrite, sodium nitrite accelerated oxidation is made to be sodium nitrate with hot-air.
When dimethyl sulfoxide (DMSO) content reaches 30% in absorbing liquid, mother liquor in negative pressure (- 70Kpa) state be dehydrated dense
More than 95% content is reduced to, then dimethyl sulfone can be obtained with hydrogen peroxide oxidation, the purity of dimethyl sulfone is 99.5%.
Dry particle of the abraum salt for white that treated, for detaching sodium nitrate and sodium methanesulfonate.
Above-mentioned dimethyl sulfoxide (DMSO) abraum salt is during dimethyl sulfoxide (DMSO) is produced, in sodium hydroxide and dimethyl sulfoxide (DMSO)
In nitrogen dioxide and nitric acid caused by solid waste, contain：Sodium nitrate：45%th, sodium methanesulfonate：23%th, dimethyl
Sulfone：14%th, dimethyl sulfoxide (DMSO)：2.2%th, inferior sodium nitrate：1.8%th, moisture content：10%.
Embodiment 2
The device of organic matter is recycled in dimethyl sulfoxide (DMSO) abraum salt, dimethyl sulfoxide (DMSO) abraum salt conveyer belt 1 is through screw unloading
It is connect with heater 1, the conveying pipeline of heater 1 is connect with 7 lower part of fluid bed drying unit；
Refrigerating fluid 8 is connect, and opposed with the conveying pipeline of heater 1 through conveying pipeline with 7 lower part of fluid bed drying unit；
7 top of fluid bed drying unit is connect through conveying pipeline with cyclone separator 9；
9 top of cyclone separator is connected to water absorption plant.
One 3 heated device 24 of air filter is connect with 7 bottom of fluid bed drying unit；Air filter 25 is through air
Cooler 6 is connect with 7 bottom of fluid bed drying unit.
The conveying pipeline of heater 1 is connected to inside fluid bed drying unit 7, and it is heated to be placed in air filter 1
Device 24 is into the top 0.8m of fluidized bed drying unit 7.
The conveying pipeline of refrigerating fluid 8 is connected to inside fluid bed drying unit 7, and it is cold through air to be placed in air filter 25
But device 6 is into the top 1.5m of fluidized bed drying unit 7.
Claims (4)
1. the device of organic matter is recycled in dimethyl sulfoxide (DMSO) abraum salt, which is characterized in that dimethyl sulfoxide (DMSO) abraum salt conveyer belt（1）
Through screw unloading and heater one（2）Connection, heater one（2）Conveying pipeline and fluid bed drying unit（7）Lower part connects；
Refrigerating fluid（8）Through conveying pipeline and fluid bed drying unit（7）Lower part connect, and with heater one（2）Conveying pipeline it is opposite
It is vertical；
Fluid bed drying unit（7）Top is through conveying pipeline and cyclone separator（9）Connection；
Cyclone separator（9）Top is connected to water absorption plant.
2. the device of organic matter is recycled in dimethyl sulfoxide (DMSO) abraum salt described in claim 1, which is characterized in that air filtration
Device one（3）Heated device two（4）With fluid bed drying unit（7）Bottom connects；Air filter two（5）Through aerial cooler
（6）With fluid bed drying unit（7）Bottom connects.
3. the device of organic matter is recycled in the dimethyl sulfoxide (DMSO) abraum salt described in claim 2, which is characterized in that heater one
（2）Conveying pipeline be connected to fluid bed drying unit（7）Inside is placed in air filter one（3）Heated device two（4）Into
Fluid bed drying unit（7）Top 0.5-0.8m.
4. the device of organic matter is recycled in the dimethyl sulfoxide (DMSO) abraum salt described in claim 3, which is characterized in that refrigerating fluid
（8）Conveying pipeline be connected to fluid bed drying unit（7）Inside is placed in air filter two（5）Through aerial cooler（6）Into
Fluidized bed drying unit（7）Top 1.0-1.5m.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721245264.9U CN207596760U (en) | 2017-09-27 | 2017-09-27 | The device of organic matter is recycled in a kind of dimethyl sulfoxide (DMSO) abraum salt |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721245264.9U CN207596760U (en) | 2017-09-27 | 2017-09-27 | The device of organic matter is recycled in a kind of dimethyl sulfoxide (DMSO) abraum salt |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109133115A (en) * | 2018-09-14 | 2019-01-04 | 湖北兴发化工集团股份有限公司 | The technique and separation equipment of organic-inorganic phase in a kind of separating and recovering dimethyl sulfoxide abraum salt |
-
2017
- 2017-09-27 CN CN201721245264.9U patent/CN207596760U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109133115A (en) * | 2018-09-14 | 2019-01-04 | 湖北兴发化工集团股份有限公司 | The technique and separation equipment of organic-inorganic phase in a kind of separating and recovering dimethyl sulfoxide abraum salt |
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