CN204051034U - A kind of rectifying column tower top waste heat utilization device - Google Patents
A kind of rectifying column tower top waste heat utilization device Download PDFInfo
- Publication number
- CN204051034U CN204051034U CN201420372827.0U CN201420372827U CN204051034U CN 204051034 U CN204051034 U CN 204051034U CN 201420372827 U CN201420372827 U CN 201420372827U CN 204051034 U CN204051034 U CN 204051034U
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- China
- Prior art keywords
- waste water
- compartment
- rectifying column
- conveyance conduit
- heat exchanger
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Abstract
The utility model discloses a kind of rectifying column tower top waste heat utilization device, comprise Waste water concentrating device and rectifying column process units, wherein Waste water concentrating device comprises flash tank, Waste water concentrating groove, wastewater trough, water reception tank, compartment heat exchanger and circulation, and rectifying column process units comprises rectifying column, compartment condenser and distillate dump tank; Waste water is transported to Waste water concentrating groove by feeding pump by the waste water in wastewater trough, utilizes waste water to be taken away by heat as the cooling fluid of compartment condenser, then is concentrated waste water by flash tank.The utility model structure is simple, easy to use, use waste water as the cooling fluid of compartment condenser, while having saved cooling fluid, waste water is heated, the heat of rectifying column tower top is taken away by waste water, thus reach the object that rectifying column tower top used heat effectively utilizes.By Waste water concentrating groove and flash tank, waste water is concentrated to greatest extent, blowdown flow rate is reduced.
Description
Technical field
The utility model belongs to chemical field, is specifically related to a kind of rectifying column tower top waste heat utilization device.
Background technology
Rectifying column is the tower vapor-liquid contacting apparatus of one carrying out rectifying, is also called destilling tower.Material gas phase enters by the bottom of tower, counter current contacting is carried out with decline liquid phase, two contact, low boiling component in decline liquid phase constantly shifts in gas phase, and the higher boiling component in gas phase constantly shifts in decline liquid phase, and gas phase is more close to tower top, its volatile constituents ratio is higher, and decline liquid phase more close at the bottom of tower, the then more enrichment of its difficult Volatile Colstituent, reach the object that component is separated.The gas phase risen by tower top enters condenser, and a part for the liquid of condensation returns tower top as phegma and enters in rectifying column, and remaining part is then taken out as distillate.The liquid that tower bottom flow goes out, a part wherein sends into reboiler, and after thermal evaporation, gas phase returns in tower, and another part liquid takes out as still liquid.
Have a lot of Land use systems to the used heat of rectifying tower top in the prior art, but mostly exist Waste Heat Reuse rate low, affect the problems such as rectifying column stable operation.
Utility model content
The utility model object is to provide a kind of easy to use, can realize at the rectifying column tower top waste heat utilization device not affecting under rectifying column stable operation prerequisite raising Waste Heat Reuse rate to a greater extent.
A kind of rectifying column tower top waste heat utilization device, comprise Waste water concentrating device and rectifying column process units, wherein Waste water concentrating device comprises flash tank, Waste water concentrating groove, wastewater trough, water reception tank, compartment heat exchanger and circulation, and rectifying column process units comprises rectifying column, compartment condenser and distillate dump tank.
Wastewater trough is positioned at below Waste water concentrating groove, and and between Waste water concentrating groove, be provided with conveyance conduit one and overflow pipe one, one end of conveyance conduit one is positioned at wastewater trough bottom, the other end is positioned at Waste water concentrating groove top, one end of overflow pipe one is positioned at wastewater trough top, the other end is positioned at Waste water concentrating groove top, conveyance conduit one is also provided with feeding pump, make the waste water in wastewater trough can be transported to Waste water concentrating groove by feeding pump, when Waste water concentrating groove is filled, waste water is got back in wastewater trough by overflow pipe, conveyance conduit two is provided with between the cooling fluid entrance of Waste water concentrating groove and compartment condenser, one end of conveyance conduit two is positioned at the below of overflow pipe one in Waste water concentrating groove one end, the other end is connected with the cooling fluid inlet seal of condenser, conveyance conduit two is also provided with circulating pump, flash tank is positioned at above Waste water concentrating groove, conveyance conduit three is provided with between the cooling liquid outlet of compartment condenser and flash tank, conveyance conduit three one end is connected with the cooling liquid outlet of condenser, the other end is positioned at flash tank top, overflow pipe two is provided with between flash tank and Waste water concentrating groove, overflow pipe two one end is positioned at flash tank bottom, the other end is positioned at Waste water concentrating groove top, make the waste water in Waste water concentrating groove under the effect of circulating pump by condenser after enter flash tank, flash tank produces steam and residue waste water after carrying out flash distillation, remaining waste water flows back in Waste water concentrating groove by overflow pipe two, conveyance conduit four is provided with between compartment heat exchanger and flash tank, conveyance conduit four one end is positioned at flash drum overhead, the other end is positioned at compartment heat exchanger top, water reception tank is positioned at below compartment heat exchanger, and and be provided with overflow pipe three between compartment heat exchanger, overflow pipe three one end is positioned at compartment heat exchanger bottom, the other end is positioned at water reception tank top, also be provided with circulation matching used with compartment heat exchanger, for providing cooling fluid for compartment heat exchanger, flash tank steam after carrying out flash distillation is made to enter compartment heat exchanger by conveyance conduit four, flowed in water reception tank by overflow pipe three after steam is cooled to liquid.
Conveyance conduit five is provided with between rectifying column top and compartment condenser top, return duct is provided with between compartment condenser and rectifier, distillate dump tank is arranged at below compartment condenser, conveyance conduit six is provided with between compartment condenser and distillate dump tank top, the gas phase that rectifying column is produced after rectifying enters compartment condenser, enters distillate dump tank through the backflow of condensation rear portion, another part as distillate.
For making the utility model more be suitable for practicality, make further improvements below:
Described compartment heat exchanger is provided with vacuum system by vacuum pipe, makes the steam after flash distillation more fast and be easy to enter in compartment heat exchanger.
The utility model beneficial effect is: the utility model structure is simple, easy to use, use waste water as the cooling fluid of compartment condenser, while having saved cooling fluid, waste water is heated, the heat of rectifying column tower top is taken away by waste water, thus reaches the object that rectifying column tower top used heat effectively utilizes.By Waste water concentrating groove and flash tank, waste water is concentrated to greatest extent, blowdown flow rate is reduced, thus environment is played a protective role.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
In accompanying drawing: 1-circulating pump, 2-compartment condenser, 3-distillate dump tank, 4-Waste water concentrating groove, 5-rectifying column, 6-wastewater trough, 7-flash tank, 8-vacuum system, 9-circulation, 10-compartment heat exchanger, 11-feeding pump, 12-water reception tank, 13-overflow pipe three, 14-vacuum pipe, 15-conveyance conduit four, 16-conveyance conduit three, 17-overflow pipe two, 18-conveyance conduit five, 19-return duct, 20-conveyance conduit two, 21-overflow pipe one, 22-conveyance conduit one.
Detailed description of the invention
As shown in Figure 1, a kind of rectifying column tower top waste heat utilization device, comprise Waste water concentrating device and rectifying column process units, wherein Waste water concentrating device comprises flash tank 7, Waste water concentrating groove 4, wastewater trough 6, water reception tank 12, compartment heat exchanger 10 and circulation 9, and rectifying column 5 process units comprises rectifying column 5, compartment condenser 2 and distillate dump tank 3, wastewater trough 6 is positioned at below Waste water concentrating groove 4, and and between Waste water concentrating groove 4, be provided with conveyance conduit 1 and overflow pipe 1, one end of conveyance conduit 1 is positioned at wastewater trough 6 bottom, the other end is positioned at Waste water concentrating groove 4 top, one end of overflow pipe 1 is positioned at wastewater trough 6 top, the other end is positioned at Waste water concentrating groove 4 top, and conveyance conduit 1 is also provided with feeding pump 11, conveyance conduit 2 20 is provided with between the cooling fluid entrance of Waste water concentrating groove 4 and compartment condenser 2, one end of conveyance conduit 2 20 is positioned at the below of overflow pipe 1 in Waste water concentrating groove 4 one end, the other end is connected with the cooling fluid inlet seal of condenser, conveyance conduit 2 20 is also provided with circulating pump 1, flash tank 7 is positioned at above Waste water concentrating groove 4, conveyance conduit 3 16 is provided with between the cooling liquid outlet of compartment condenser 2 and flash tank 7, conveyance conduit 3 16 one end is connected with the cooling liquid outlet of condenser, the other end is positioned at flash tank top, overflow pipe 2 17 is provided with between flash tank 7 and Waste water concentrating groove 4, overflow pipe 2 17 one end is positioned at flash tank 7 bottom, the other end is positioned at Waste water concentrating groove 4 top, conveyance conduit 4 15 is provided with between compartment heat exchanger 10 and flash tank 7, conveyance conduit 4 15 one end is positioned at flash tank 7 top, the other end is positioned at compartment heat exchanger 10 top, water reception tank 12 is positioned at below compartment heat exchanger 10, and and be provided with overflow pipe 3 13 between compartment heat exchanger 10, overflow pipe 3 13 one end is positioned at compartment heat exchanger 10 bottom, the other end is positioned at water reception tank 12 top, also be provided with the matching used circulation 9 with compartment heat exchanger, for providing cooling fluid for compartment heat exchanger 10, flash tank 7 steam after carrying out flash distillation is made to enter compartment heat exchanger 10 by conveyance conduit 4 15, steam is flowed in water reception tank 12 by overflow pipe 3 13 after being cooled to liquid.
Conveyance conduit 5 18 is provided with between rectifying column 5 top and compartment condenser 2 top, return duct 19 is provided with between compartment condenser 2 bottom and rectifying column 5 top, distillate dump tank 3 is arranged at below compartment condenser 2, is provided with conveyance conduit six between compartment condenser 2 bottom and distillate dump tank 3 top.Described compartment heat exchanger 10 is also provided with vacuum system 8, makes the steam after flash distillation more fast and be easy to enter in compartment heat exchanger 10.Described compartment heat exchanger is provided with vacuum system by vacuum pipe 14, makes the steam after flash distillation more fast and be easy to enter in compartment heat exchanger.
During use, waste water in wastewater trough 6 is delivered in Waste water concentrating groove 4 by feeding pump 11, the waste water be transported in Waste water concentrating groove 4 flows into flash tank 7 as cooling fluid by compartment condenser 2 is rear under the effect of circulating pump 1, flash tank 7 pairs of waste water carry out flash distillation, waste water after flash distillation is divided into steam and the waste water after concentrating, waste water after concentrated comes back to Waste water concentrating groove 4, steam enters compartment heat exchanger 10 from flash tank 7 top under the effect of vacuum system 8, coagulate for liquid under the cooling of circulation 9, flow into water reception tank 12, can be used as cooling fluid to use.Rectifying column 5 top gaseous phase is cooled by waste water after entering compartment condenser 2, and part backflow, another part enters distillate dump tank 3 as distillate.The utility model is easy to use, uses waste water as the cooling fluid of compartment condenser 2, is heated by waste water, the heat of rectifying column 5 tower top is taken away by waste water while having saved cooling fluid, thus reach the object that rectifying column 5 tower top used heat effectively utilizes.By Waste water concentrating groove 4 and flash tank 7, waste water is concentrated to greatest extent, blowdown flow rate is reduced, thus environment is played a protective role.
Claims (2)
1. a rectifying column tower top waste heat utilization device, it is characterized in that: comprise Waste water concentrating device and rectifying column process units, wherein Waste water concentrating device comprises flash tank (7), Waste water concentrating groove (4), wastewater trough (6), water reception tank (12), compartment heat exchanger (10) and circulation (9), and rectifying column (5) process units comprises rectifying column (5), compartment condenser (2) and distillate dump tank (3), wastewater trough (6) is positioned at Waste water concentrating groove (4) below, and and between Waste water concentrating groove (4), be provided with conveyance conduit one (22) and overflow pipe one (21), one end of conveyance conduit one (22) is positioned at wastewater trough (6) bottom, the other end is positioned at Waste water concentrating groove (4) top, one end of overflow pipe one (21) is positioned at wastewater trough (6) top, the other end is positioned at Waste water concentrating groove (4) top, conveyance conduit one (22) is also provided with feeding pump (11), conveyance conduit two (20) is provided with between the cooling fluid entrance of Waste water concentrating groove (4) and compartment condenser (2), one end of conveyance conduit two (20) is positioned at the below of overflow pipe one (21) in Waste water concentrating groove (4) one end, the other end is connected with the cooling fluid inlet seal of compartment condenser (2), conveyance conduit two (20) is also provided with circulating pump (1), flash tank (7) is positioned at Waste water concentrating groove (4) top, conveyance conduit three (16) is provided with between the cooling liquid outlet of compartment condenser (2) and flash tank (7), conveyance conduit three (16) one end is connected with the cooling liquid outlet of compartment condenser (2), the other end is positioned at flash tank top, overflow pipe two (17) is provided with between flash tank (7) and Waste water concentrating groove (4), overflow pipe two (17) one end is positioned at flash tank (7) bottom, the other end is positioned at Waste water concentrating groove (4) top, compartment heat exchanger (10) and and be provided with conveyance conduit four (15) between flash tank (7), conveyance conduit four (15) one end is positioned at flash tank (7) top, the other end is positioned at compartment heat exchanger (10) top, water reception tank (12) is positioned at compartment heat exchanger (10) below, and and be provided with overflow pipe three (13) between compartment heat exchanger (10), overflow pipe three (13) one end is positioned at compartment heat exchanger (10) bottom, the other end is positioned at water reception tank (12) top, also be provided with and the matching used circulation of compartment heat exchanger (9),
Conveyance conduit five (18) is provided with between rectifying column (5) top and compartment condenser (2) top, return duct (19) is provided with between compartment condenser (2) bottom and rectifying column (5) top, distillate dump tank (3) is arranged at compartment condenser (2) below, is provided with conveyance conduit six between compartment condenser (2) bottom and distillate dump tank (3) top.
2. rectifying column tower top waste heat utilization device as claimed in claim 1, it is characterized in that: described compartment heat exchanger (10) is also provided with vacuum system (8) by vacuum pipe (14), make the steam after flash distillation more fast and be easy to enter in compartment heat exchanger (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420372827.0U CN204051034U (en) | 2014-07-07 | 2014-07-07 | A kind of rectifying column tower top waste heat utilization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420372827.0U CN204051034U (en) | 2014-07-07 | 2014-07-07 | A kind of rectifying column tower top waste heat utilization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204051034U true CN204051034U (en) | 2014-12-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420372827.0U Expired - Fee Related CN204051034U (en) | 2014-07-07 | 2014-07-07 | A kind of rectifying column tower top waste heat utilization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204051034U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110395837A (en) * | 2019-08-01 | 2019-11-01 | 广州市中绿环保有限公司 | A kind of acid-washing stainless steel waste mixed acid recycling and processing device and technique |
-
2014
- 2014-07-07 CN CN201420372827.0U patent/CN204051034U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110395837A (en) * | 2019-08-01 | 2019-11-01 | 广州市中绿环保有限公司 | A kind of acid-washing stainless steel waste mixed acid recycling and processing device and technique |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20150707 |
|
| EXPY | Termination of patent right or utility model |