CN103663830A - Recovery device for recovering dimethylamine from waste water - Google Patents
Recovery device for recovering dimethylamine from waste water Download PDFInfo
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- CN103663830A CN103663830A CN201310571181.9A CN201310571181A CN103663830A CN 103663830 A CN103663830 A CN 103663830A CN 201310571181 A CN201310571181 A CN 201310571181A CN 103663830 A CN103663830 A CN 103663830A
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- dimethylamine
- waste water
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- 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
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- 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
- Y02P20/50—Improvements relating to the production of bulk chemicals
Abstract
The invention discloses a recovery device for recovering dimethylamine from waste water, which comprises a waste water pond and a dimethylamine solution storage tank and also comprises a bubbling pond, a thermally driven film evaporator, an evaporation chamber, a falling film evaporator, a vapor-water separator, a film separator, a condenser, a cooler and a reuse water pond. The recovery device disclosed by the invention is simple in structure, is provided with the falling film evaporator and the film separator, can realize low-temperature heat source heating, can recover dimethylamine by vaporizing waste water at a temperature below the boiling point of the waste water, and improves the universality. Besides, the recovery device is convenient and quick to use, low in operation energy consumption and remarkable in energy saving and emission reduction effect, can simultaneously recover dimethylamine and pure water, and can effectively improve the dimethylamine recovery efficiency to some extent; and meanwhile, the recovery device lowers the recovery cost, realizes non-toxic clean production and recycling, and is high in applicability and favorable in practicality.
Description
Technical field
The present invention relates to a kind of retrieving arrangement for waste water reclamation dimethylamine.
Background technology
The dimethylamine waste water retrieving arrangement of prior art generally adopts steam heating, by distillation, packing tower, acid absorption column etc., complete recovery, although it can be realized, dimethylamine waste water is reclaimed, yet its equipment operation power consumption is larger, and easily causing secondary pollution, its effects of energy saving and emission reduction is poor, and organic efficiency is also lower, increase enterprise's production cost simultaneously, be difficult to meet the needs in market.
Summary of the invention
The object of this invention is to provide a kind of simple in structure, the retrieving arrangement for waste water reclamation dimethylamine of the high and waste water reclamation dimethylamine of vaporizing below waste water boiling point of organic efficiency.
The technical scheme that realizes the object of the invention is a kind of retrieving arrangement for waste water reclamation dimethylamine, comprise wastewater disposal basin, dimethylamine solution storage tank, also comprise bubbling pond, hot drive membrane vaporizer, evaporator room, falling-film evaporator, steam separator, membrane separation apparatus, condenser, water cooler and reuse water pond, in described wastewater disposal basin, be provided with sump pump, the output tube of described sump pump is connected with described bubbling pond, described bubbling pond drives moving film evaporator to be connected by pipeline and heat, the dimethylamine output terminal of described hot drive membrane vaporizer is connected with described condenser, the water vapor output terminal of described hot drive membrane vaporizer is connected with described water cooler, the waste water end of described hot drive membrane vaporizer is connected with described evaporator room, the output terminal of described evaporator room is connected with described falling-film evaporator, the output terminal of described falling-film evaporator is connected with described steam separator, the dimethylamine output terminal of described steam separator is connected with described condenser, the waste water end of described steam separator is connected with the input terminus of described falling-film evaporator through recycle pump, the evaporation ends again of described steam separator is connected with the input terminus of described membrane separation apparatus, the dimethylamine output terminal of described membrane separation apparatus is connected with the output terminal of described condenser, the water side of described membrane separation apparatus is connected with described reuse water pond, the dimethylamine output terminal of described condenser is connected with described dimethylamine solution storage tank, the water side of described condenser is connected with the input terminus of described water cooler, the output terminal of described water cooler is connected with described reuse water pond.
In described evaporator room, be provided with water distributor.
On the output tube of described sump pump, be provided with flow detection meter.
Also comprise condensing agent storage tank and condensation pump, the input terminus of described condensation pump is connected with described condensing agent storage tank, and described condensation delivery side of pump is connected with described condenser and hot drive membrane vaporizer.
Also comprise blower fan, described blower fan is arranged on described wastewater disposal basin, and the air outlet of described blower fan is connected with membrane separation apparatus with described bubbling pond, evaporator room respectively.
Also comprise dimethylamine finished pot, the output terminal of described dimethylamine solution storage tank is connected with the output terminal of described dimethylamine finished pot.
In described dimethylamine solution storage tank, be provided with concentration controller.
In described hot drive membrane vaporizer, be provided with low-temperature heat source.
Its principle of work is summarized as follows: extract dimethylamine waste water after air bubbling, by sump pump, after the preheating of hot drive membrane vaporizer, by water distributor, enter evaporator room, current from top to bottom, air is from bottom to top forced film forming, the evaporation of heating, then flow into falling-film evaporator, enter steam separator, make dimethylamine gas enter condenser.All the other dimethylamine one water systems enter membrane separation apparatus and carry out separation, enrichment concentrate.Membrane separation apparatus bottom is again sent into evaporator room and is entered falling-film evaporator and be circulating and evaporating and carry out concentrate.Make the little disconnected circulating and evaporating of dimethylamine waste water, its concentration improves constantly.While making dimethylamine waste water concentrate to 45% above, dimethylamine product.The irregular back flushing in membrane separation apparatus bottom is opened valve discharge water and is got back to wastewater disposal basin, and condensate cooler bottom is opened valve discharge water and be can be used in other production processes to reuse pool.
The present invention has positive effect: of the present invention simple in structure, be provided with falling-film evaporator, membrane separation apparatus, can realize low-temperature heat source heating, the waste water reclamation dimethylamine of can vaporizing below waste water boiling point, improved versatility, and it is convenient to use, operation energy consumption is lower, and effects of energy saving and emission reduction is obvious, can reclaim dimethylamine and pure water simultaneously, and effectively improve to a certain extent the organic efficiency of dimethylamine, also reduced cost recovery, realized again nontoxic cleaner production and recycled simultaneously, suitability is strong, and practicality is good.
Accompanying drawing explanation
For content of the present invention is more likely to be clearly understood, according to specific embodiment also by reference to the accompanying drawings, the present invention is further detailed explanation below, wherein:
Fig. 1 is structural representation of the present invention.
Embodiment
(embodiment 1)
Fig. 1 has shown a kind of embodiment of the present invention, and wherein Fig. 1 is structural representation of the present invention.
See Fig. 1, a kind of retrieving arrangement for waste water reclamation dimethylamine, comprise wastewater disposal basin 1, dimethylamine solution storage tank 2, also comprise bubbling pond 3, hot drive membrane vaporizer 4, evaporator room 5, falling-film evaporator 6, steam separator 7, membrane separation apparatus 8, condenser 9, water cooler 10 and reuse water pond 11, in described wastewater disposal basin 1, be provided with sump pump 12, the output tube 13 of described sump pump 12 is connected with described bubbling pond 3, described bubbling pond 3 drives moving film evaporator 4 to be connected by pipeline and heat, the dimethylamine output terminal of described hot drive membrane vaporizer 4 is connected with described condenser 9, the water vapor output terminal of described hot drive membrane vaporizer 4 is connected with described water cooler 10, the waste water end of described hot drive membrane vaporizer 4 is connected with described evaporator room 5, the output terminal of described evaporator room 5 is connected with described falling-film evaporator 6, the output terminal of described falling-film evaporator 6 is connected with described steam separator 7, the dimethylamine output terminal of described steam separator 7 is connected with described condenser 9, the waste water end of described steam separator 7 is connected with the input terminus of described falling-film evaporator 6 through recycle pump 14, the evaporation ends again of described steam separator 7 is connected with the input terminus of described membrane separation apparatus 8, the dimethylamine output terminal of described membrane separation apparatus 8 is connected with the output terminal of described condenser 9, the water side of described membrane separation apparatus 8 is connected with described reuse water pond 11, the dimethylamine output terminal of described condenser 9 is connected with described dimethylamine solution storage tank 2, the water side of described condenser 9 is connected with the input terminus of described water cooler 10, the output terminal of described water cooler 10 is connected with described reuse water pond 11.Falling-film evaporator is comprised of numerous and tubulation, and membrane separation apparatus is connected by a plurality of assemblies, reaches the effect of forcing the separation of film forming rapid evaporation, realizes rapid evaporation condensation concentrate dimethylamine; Membrane separation apparatus reclaims lower concentration or extremely low concentration volatile dimethylamine, see through dimethylamine in condenser and can be concentrated 3～15 times, this process is equivalent to two towers to unite two into one on air lift (stripping) tower and absorption tower microcosmic, without high temperature and vacuum operating, it is convenient to use, operation energy consumption is lower, and effects of energy saving and emission reduction is obvious.
In described evaporator room 5, be provided with water distributor 15.In evaporator room, be blown into sky G&W and force film forming under low-temperature heat source promotes, heat utilization rate effect is far above multistage flash evaporation and multistage evaporation.
On the output tube 13 of described sump pump 12, be provided with flow detection meter 16.
Also comprise condensing agent storage tank 17 and condensation pump 18, the input terminus of described condensation pump 18 is connected with described condensing agent storage tank 17, and the output terminal of described condensation pump 18 is connected with described condenser 9 and hot drive membrane vaporizer 4.
Also comprise blower fan 19, described blower fan 19 is arranged on described wastewater disposal basin 1, and the air outlet of described blower fan 19 is connected with described bubbling pond 3, evaporator room 5 and membrane separation apparatus 8 respectively.
Also comprise dimethylamine finished pot 20, the output terminal of described dimethylamine solution storage tank 2 is connected with the output terminal of described dimethylamine finished pot 20.
In described dimethylamine solution storage tank 2, be provided with concentration controller.When dimethylamine solution concentration reaches, be greater than 45%, concentration controller bright light, cuts off thermal source and inlet valve and reaches the effect that full automatic control dimethylamine concentration reclaims.
In described hot drive membrane vaporizer 4, be provided with low-temperature heat source.Can be at 80 ℃ of following vaporization dimethylamine waste waters, separated dimethylamine water system, reclaims the technique and the device that are greater than 45%_ methylamine product and produce reuse water.Improved to a certain extent organic efficiency.
Also comprise electric control box 21.
Its principle of work is summarized as follows: extract dimethylamine waste water after air bubbling, by sump pump, after the preheating of hot drive membrane vaporizer, by water distributor, enter evaporator room, current from top to bottom, air is from bottom to top forced film forming, the evaporation of heating, then flow into falling-film evaporator, enter steam separator, make dimethylamine gas enter condenser.All the other dimethylamine one water systems enter membrane separation apparatus and carry out separation, enrichment concentrate.Membrane separation apparatus bottom is again sent into evaporator room and is entered falling-film evaporator and be circulating and evaporating and carry out concentrate.Make the little disconnected circulating and evaporating of dimethylamine waste water, its concentration improves constantly.While making dimethylamine waste water concentrate to 45% above, dimethylamine product.The irregular back flushing in membrane separation apparatus bottom is opened valve discharge water and is got back to wastewater disposal basin, and condensate cooler bottom is opened valve discharge water and be can be used in other production processes to reuse pool.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.And these belong to apparent variation or the change that connotation of the present invention extends out and still belong to protection scope of the present invention.
Claims (8)
1. the retrieving arrangement for waste water reclamation dimethylamine, comprise wastewater disposal basin, dimethylamine solution storage tank, it is characterized in that: also comprise bubbling pond, hot drive membrane vaporizer, evaporator room, falling-film evaporator, steam separator, membrane separation apparatus, condenser, water cooler and reuse water pond, in described wastewater disposal basin, be provided with sump pump, the output tube of described sump pump is connected with described bubbling pond, described bubbling pond drives moving film evaporator to be connected by pipeline and heat, the dimethylamine output terminal of described hot drive membrane vaporizer is connected with described condenser, the water vapor output terminal of described hot drive membrane vaporizer is connected with described water cooler, the waste water end of described hot drive membrane vaporizer is connected with described evaporator room, the output terminal of described evaporator room is connected with described falling-film evaporator, the output terminal of described falling-film evaporator is connected with described steam separator, the dimethylamine output terminal of described steam separator is connected with described condenser, the waste water end of described steam separator is connected with the input terminus of described falling-film evaporator through recycle pump, the evaporation ends again of described steam separator is connected with the input terminus of described membrane separation apparatus, the dimethylamine output terminal of described membrane separation apparatus is connected with the output terminal of described condenser, the water side of described membrane separation apparatus is connected with described reuse water pond, the dimethylamine output terminal of described condenser is connected with described dimethylamine solution storage tank, the water side of described condenser is connected with the input terminus of described water cooler, the output terminal of described water cooler is connected with described reuse water pond.
2. the retrieving arrangement for waste water reclamation dimethylamine according to claim 1, is characterized in that: in described evaporator room, be provided with water distributor.
3. the retrieving arrangement for waste water reclamation dimethylamine according to claim 2, is characterized in that: on the output tube of described sump pump, be provided with flow detection meter.
4. the retrieving arrangement for waste water reclamation dimethylamine according to claim 3, it is characterized in that: also comprise condensing agent storage tank and condensation pump, the input terminus of described condensation pump is connected with described condensing agent storage tank, and described condensation delivery side of pump is connected with described condenser and hot drive membrane vaporizer.
5. the retrieving arrangement for waste water reclamation dimethylamine according to claim 4, is characterized in that: also comprise blower fan, described blower fan is arranged on described wastewater disposal basin, and the air outlet of described blower fan is connected with membrane separation apparatus with described bubbling pond, evaporator room respectively.
6. the retrieving arrangement for waste water reclamation dimethylamine according to claim 5, is characterized in that: also comprise dimethylamine finished pot, the output terminal of described dimethylamine solution storage tank is connected with the output terminal of described dimethylamine finished pot.
7. the retrieving arrangement for waste water reclamation dimethylamine according to claim 6, is characterized in that: in described dimethylamine solution storage tank, be provided with concentration controller.
8. the retrieving arrangement for waste water reclamation dimethylamine according to claim 7, is characterized in that: in described hot drive membrane vaporizer, be provided with low-temperature heat source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310571181.9A CN103663830B (en) | 2013-11-18 | 2013-11-18 | Retracting device for Sewage treatment dimethylamine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310571181.9A CN103663830B (en) | 2013-11-18 | 2013-11-18 | Retracting device for Sewage treatment dimethylamine |
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| Publication Number | Publication Date |
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| CN103663830A true CN103663830A (en) | 2014-03-26 |
| CN103663830B CN103663830B (en) | 2018-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310571181.9A Active CN103663830B (en) | 2013-11-18 | 2013-11-18 | Retracting device for Sewage treatment dimethylamine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104788321A (en) * | 2015-04-22 | 2015-07-22 | 江苏金凯树脂化工有限公司 | Recycling device and recycling technology of dimethylamine |
| CN113666562A (en) * | 2021-09-14 | 2021-11-19 | 西安思科赛实业有限公司 | Device for removing DMF (dimethyl formamide) in red wastewater and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101058541A (en) * | 2006-04-20 | 2007-10-24 | 出光兴产株式会社 | Method for recovering triethylamine in water |
| CN202237346U (en) * | 2011-09-08 | 2012-05-30 | 上海凯展环保科技有限公司 | Negative-pressure energy-saving high-efficiency gas-liquid separation device |
| US20130060002A1 (en) * | 2011-08-31 | 2013-03-07 | Basf Se | Process for working up reaction outputs from the hydrogenation of eddn or edmn |
| CN203794732U (en) * | 2013-11-18 | 2014-08-27 | 项公浩 | Recycling device for recycling dimethylamine from wastewater |
-
2013
- 2013-11-18 CN CN201310571181.9A patent/CN103663830B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101058541A (en) * | 2006-04-20 | 2007-10-24 | 出光兴产株式会社 | Method for recovering triethylamine in water |
| US20130060002A1 (en) * | 2011-08-31 | 2013-03-07 | Basf Se | Process for working up reaction outputs from the hydrogenation of eddn or edmn |
| CN202237346U (en) * | 2011-09-08 | 2012-05-30 | 上海凯展环保科技有限公司 | Negative-pressure energy-saving high-efficiency gas-liquid separation device |
| CN203794732U (en) * | 2013-11-18 | 2014-08-27 | 项公浩 | Recycling device for recycling dimethylamine from wastewater |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104788321A (en) * | 2015-04-22 | 2015-07-22 | 江苏金凯树脂化工有限公司 | Recycling device and recycling technology of dimethylamine |
| CN113666562A (en) * | 2021-09-14 | 2021-11-19 | 西安思科赛实业有限公司 | Device for removing DMF (dimethyl formamide) in red wastewater and preparation method thereof |
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| CN103663830B (en) | 2018-08-14 |
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