CN105000617A - DMF extraction system - Google Patents
DMF extraction system Download PDFInfo
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- CN105000617A CN105000617A CN201510300596.1A CN201510300596A CN105000617A CN 105000617 A CN105000617 A CN 105000617A CN 201510300596 A CN201510300596 A CN 201510300596A CN 105000617 A CN105000617 A CN 105000617A
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Abstract
The invention discloses a DMF extraction system. The DMF extraction system comprises a waste water filter, a waste water storage tank, a waste water conveying pump, a trichloromethane solvent storage tank, a solvent conveying pump, a first extraction tower, a waste water middle tank, a circulating pump, a second extraction tower, a raffinate storage tank, a solvent middle tank, a solvent conveying pump and a raffinate storage tank. A water outlet of the solvent conveying pump is connected with the upper portion of the first extraction tower through a pipe. A water outlet of the waste water conveying pump is connected with the lower portion of the first extraction tower through a pipe. The waste water middle tank is connected with the upper end of the first extraction tower through a pipe. The waste water middle groove is connected with a water inlet of the circulating pump through a pipe. A water outlet of the circulating pump is connected with the lower portion of the second extraction tower through a pipe. The lower end of the first extraction tower is connected with the solvent middle tank through a pipe. The solvent middle tank is connected with a water inlet of the solvent conveying pump through a pipe. A water outlet of the solvent conveying pump is connected with the upper portion of the second extraction tower through a pipe. The lower end of the second extraction tower is connected with the raffinate storage tank through a pipe. The DMF extraction system has the advantages of being high in extraction efficiency, small in energy consumption and the like.
Description
Technical field
The present invention relates to a kind of DMF extracting system, be applied to synthetic leather waste water and extract DMF field.
Background technology
The Chinese of DMF is dimethyl formamide, is a kind of transparent liquid, can and water and majority of organic solvent dissolve each other, it is the common solvent of chemical reaction.
In order to reach the object of Waste recovery, utilization, at present, some synthetic leather manufacturers utilize synthetic leather waste water to extract DMF, but the main distillation tower that adopts extracts DMF from waste water at present, but needs larger energy consumption owing to evaporating, therefore cost is higher, is not suitable for extensively promoting the use of.
Summary of the invention
For solving the defect of prior art, the invention discloses the DMF extracting system that a kind of efficiency is high, energy consumption is low.
The invention discloses a kind of DMF extracting system, comprise: effluent filter, waste water storage tank, waste water transferpump, trichloromethane solvent tank, solvent delivery pump, an extraction tower, waste water medial launder, recycle pump, No. two extraction towers, extracting phase storage tank, solvent medial launder, solvent delivery pump, extraction phase storage tank, described effluent filter connects a waste water storage tank by pipeline, described waste water storage tank is connected by the water-in of pipeline with waste water transferpump, described trichloromethane solvent tank is connected by the water-in of pipeline with solvent delivery pump, the water outlet of described solvent delivery pump is connected by the top of pipeline with an extraction tower, the water outlet of described waste water transferpump is connected by the bottom of pipeline with an extraction tower, described waste water medial launder is connected by the upper end of pipeline with an extraction tower, described waste water medial launder is connected with the water-in of recycle pump by pipeline, the water outlet of described recycle pump is connected by the bottom of pipeline with No. two extraction towers, the upper end of No. two described extraction towers is connected with extracting phase storage tank by pipeline, the lower end of a described extraction tower is connected with solvent medial launder by pipeline, described solvent medial launder is connected by the water-in of pipeline with solvent delivery pump, the water outlet of described solvent delivery pump is connected by the top of pipeline with No. two extraction towers, the lower end of No. two described extraction towers is connected with extraction phase storage tank by pipeline.
Owing to adopting technique scheme, the present invention has following advantageous benefits:
1, extraction efficiency is high;
2, energy consumption is little, and cost is low, is suitable for promoting the use of.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of DMF extracting system of the present invention.
Wherein: 1-effluent filter; 2-waste water storage tank; 3-waste water transferpump; 4-trichloromethane solvent tank; 5-solvent delivery pump; 6-extraction tower; 7-waste water medial launder; 8-recycle pump; 9-No. bis-extraction towers; 10-extracting phase storage tank; 11-solvent medial launder; 12-solvent delivery pump; 13-extraction phase storage tank.
Embodiment
As shown in Figure 1, the invention discloses a kind of DMF extracting system, comprise: effluent filter 1, waste water storage tank 2, waste water transferpump 3, trichloromethane solvent tank 4, solvent delivery pump 5, an extraction tower 6, waste water medial launder 7, recycle pump 8, No. two extraction towers 9, extracting phase storage tank 10, solvent medial launder 11, solvent delivery pump 12, extraction phase storage tank 13, described effluent filter 1 connects a waste water storage tank 2 by pipeline, described waste water storage tank 2 is connected by the water-in of pipeline with waste water transferpump 3, described trichloromethane solvent tank 4 is connected by the water-in of pipeline with solvent delivery pump 5, the water outlet of described solvent delivery pump 5 is connected by the top of pipeline with an extraction tower 6, the water outlet of described waste water transferpump 3 is connected by the bottom of pipeline with an extraction tower 6, described waste water medial launder 7 is connected by the upper end of pipeline with an extraction tower 6, described waste water medial launder 7 is connected by the water-in of pipeline with recycle pump 8, the water outlet of described recycle pump 8 is connected by the bottom of pipeline with No. two extraction towers 9, the upper end of No. two described extraction towers 9 is connected with extracting phase storage tank 10 by pipeline, the lower end of a described extraction tower 6 is connected with solvent medial launder 11 by pipeline, described solvent medial launder 11 is connected by the water-in of pipeline with solvent delivery pump 12, the water outlet of described solvent delivery pump 12 is connected by the top of pipeline with No. two extraction towers 9, the lower end of No. two described extraction towers 9 is connected with extraction phase storage tank 13 by pipeline.
The present invention implements like this: synthetic leather waste water enters waste water storage tank 2 after effluent filter 1 filters, then waste water enters into extraction tower 6 inside through waste water transferpump 3 through extraction tower 6 bottom, trichloromethane enters extraction tower 6 inside through solvent delivery pump 5 from extraction tower 6 top from trichloromethane solvent tank 4, trichloromethane solvent and waste water are counter-current flow extraction tower 6 inside, the extracting phase overflowed from extraction tower 6 top flows into waste water medial launder 7, extracting phase in waste water medial launder 7 enters No. two extraction towers 9 inside through recycle pump 8 from No. two extraction tower 9 bottoms, the extraction phase flowed out from extraction tower 6 lower end enters solvent medial launder 11, extraction phase in solvent medial launder 11 enters No. two extraction towers 9 inside through solvent delivery pump 12 from the top of No. two extraction towers 9, same principle, extracting phase enters in extracting phase storage tank 10 through the upper end of No. two extraction towers 9, extraction phase enters in extraction phase storage tank through the lower end of No. two extraction towers 9, owing to being provided with an extraction tower 6 and No. two extraction towers 9 simultaneously, therefore higher to the extraction efficiency of DMF, and DMF extracting system of the present invention extracts the method for DMF relative to distillation tower, energy consumption significantly reduces, cost also just significantly reduces, therefore be suitable for extensively promoting the use of.
Above embodiment only in order to the present invention is described and and unrestricted technical scheme described in the invention; Therefore, although this specification sheets with reference to each above-mentioned embodiment to present invention has been detailed description, those of ordinary skill in the art should be appreciated that and still can modify to the present invention or equivalent to replace; And all do not depart from technical scheme and the improvement thereof of the spirit and scope of the present invention, it all should be encompassed in right of the present invention.
Claims (1)
1. a DMF extracting system, comprise: effluent filter, waste water storage tank, waste water transferpump, trichloromethane solvent tank, solvent delivery pump, an extraction tower, waste water medial launder, recycle pump, No. two extraction towers, extracting phase storage tank, solvent medial launder, solvent delivery pump, extraction phase storage tank, it is characterized in that: described effluent filter connects a waste water storage tank by pipeline, described waste water storage tank is connected by the water-in of pipeline with waste water transferpump, described trichloromethane solvent tank is connected by the water-in of pipeline with solvent delivery pump, the water outlet of described solvent delivery pump is connected by the top of pipeline with an extraction tower, the water outlet of described waste water transferpump is connected by the bottom of pipeline with an extraction tower, described waste water medial launder is connected by the upper end of pipeline with an extraction tower, described waste water medial launder is connected with the water-in of recycle pump by pipeline, the water outlet of described recycle pump is connected by the bottom of pipeline with No. two extraction towers, the upper end of No. two described extraction towers is connected with extracting phase storage tank by pipeline, the lower end of a described extraction tower is connected with solvent medial launder by pipeline, described solvent medial launder is connected by the water-in of pipeline with solvent delivery pump, the water outlet of described solvent delivery pump is connected by the top of pipeline with No. two extraction towers, the lower end of No. two described extraction towers is connected with extraction phase storage tank by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510300596.1A CN105000617A (en) | 2015-08-14 | 2015-08-14 | DMF extraction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510300596.1A CN105000617A (en) | 2015-08-14 | 2015-08-14 | DMF extraction system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105000617A true CN105000617A (en) | 2015-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510300596.1A Pending CN105000617A (en) | 2015-08-14 | 2015-08-14 | DMF extraction system |
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| CN (1) | CN105000617A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108786178A (en) * | 2018-07-18 | 2018-11-13 | 浙江格蕾斯生物科技有限公司 | A kind of extract liquor cyclic utilization system |
| CN109179838A (en) * | 2018-10-11 | 2019-01-11 | 凯莱英生命科学技术(天津)有限公司 | The processing method of DMF waste water containing triethylamine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201253502Y (en) * | 2008-05-21 | 2009-06-10 | 大连理工大学 | Pulse extraction device of one-device two-tower structure |
| CN202724747U (en) * | 2012-08-20 | 2013-02-13 | 南京师范大学 | Multistage double-solvent counter-current extraction device with double serially-connected towers |
| CN204173946U (en) * | 2014-09-18 | 2015-02-25 | 武汉径河化工有限公司 | Thiophenols peptizer Wastewater by Solvent Extraction reclaims dimethyl formamide device |
-
2015
- 2015-08-14 CN CN201510300596.1A patent/CN105000617A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201253502Y (en) * | 2008-05-21 | 2009-06-10 | 大连理工大学 | Pulse extraction device of one-device two-tower structure |
| CN202724747U (en) * | 2012-08-20 | 2013-02-13 | 南京师范大学 | Multistage double-solvent counter-current extraction device with double serially-connected towers |
| CN204173946U (en) * | 2014-09-18 | 2015-02-25 | 武汉径河化工有限公司 | Thiophenols peptizer Wastewater by Solvent Extraction reclaims dimethyl formamide device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108786178A (en) * | 2018-07-18 | 2018-11-13 | 浙江格蕾斯生物科技有限公司 | A kind of extract liquor cyclic utilization system |
| CN109179838A (en) * | 2018-10-11 | 2019-01-11 | 凯莱英生命科学技术(天津)有限公司 | The processing method of DMF waste water containing triethylamine |
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Application publication date: 20151028 |
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| RJ01 | Rejection of invention patent application after publication |