CN105327520B - Feeding and heating system of alcohol recovery tower - Google Patents
Feeding and heating system of alcohol recovery tower Download PDFInfo
- Publication number
- CN105327520B CN105327520B CN201510701968.1A CN201510701968A CN105327520B CN 105327520 B CN105327520 B CN 105327520B CN 201510701968 A CN201510701968 A CN 201510701968A CN 105327520 B CN105327520 B CN 105327520B
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- China
- Prior art keywords
- feeding
- channel
- spiral
- heat exchanger
- passage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 238000011084 recovery Methods 0.000 title claims abstract description 31
- 238000010438 heat treatment Methods 0.000 title claims abstract description 18
- 238000004821 distillation Methods 0.000 claims abstract description 16
- 230000008676 import Effects 0.000 claims description 23
- 210000002275 spiral lamina Anatomy 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- 239000002918 waste heat Substances 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013020 steam cleaning Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/02—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping in boilers or stills
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
- C07C29/80—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation
-
- 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
-
- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention provides a feeding and heating system of an alcohol recovery tower. The feeding and heating system comprises a first spiral plate heat exchanger, a feeding channel and a distillation still. The first spiral plate heat exchanger is arranged in the top layer of the recovery tower and comprises a first channel and a second channel. An inlet of the first channel penetrates through the tower wall and is connected with an outside low-concentration alcohol source. An outlet of the first channel is connected with an inlet of the feeding channel. An outlet of the feeding channel is connected with a feeding port of the distillation still. An inlet of the second channel is connected with a tower tray in the top layer of the recovery tower. An outlet of the second channel is located in the top layer. Compared with the prior art, the heat of alcohol steam in the top layer of the recover tower is used for heat exchange with low-concentration alcohol, waste heat of condensate discharged out of the distillation still is used for heating the low-concentration alcohol, and alcohol vapor can be liquidized; the waste heat of the condensate can be recycled, the temperature of the low-concentration alcohol can also be increased, and the steam using amount of the distillation still can be reduced.
Description
Technical field
The present invention relates to ethanol processing technique field, a kind of specifically light wine recovery system.
Background technology
The alcohol distillation column for using in industries such as pharmacy, food, light industry, chemical industry at present is typically mainly stored up by tower body, a high position
Tank, condenser, cooler composition.The light wine for needing to reclaim is prevented the heating volatilization in distillating still by which, after tower body rectification,
The alcohol gas of high concentration are separated out, in gas uphill process, temperature is gradually reduced makes part ethanol produce backflow.Finally enter
The alcohol gas of tower top generally require introducing low-temperature receiver lowers the temperature to which condenses which.Process is loaded down with trivial details, and consumes energy.
Distillating still can produce a large amount of vapor condensed waters when distilling to light wine, and vapor condensed water temperature is higher, such as not secondary profit
With, it will very big energy loss is caused, certain pollution also can be caused to environment.
The content of the invention
The invention aims to solve the big defect that consumes energy in thin alcohol recovery tower in prior art, there is provided a kind of
The charging heating system of alcohol distillation column is solving the above problems.
Invention is to be achieved through the following technical solutions above-mentioned technical purpose：
A kind of charging heating system of alcohol distillation column, including the first spiral-plate heat exchanger, feeding-passage, distillating still；Institute
State the first spiral-plate heat exchanger to be arranged in recovery tower top layer；First spiral-plate heat exchanger includes that first passage, second are led to
Road；The import of the first passage is connected through tower wall with extraneous light wine source；The outlet of the first passage and feeding-passage
Import connects；The outlet of the feeding-passage is connected with the charging aperture of the distillating still；The import of the second channel with it is described
The column plate alcohol steam import connection of recovery tower top layer；The outlet of the second channel is in top layer.
Preferably, the system also includes secondary spiral lamina heat exchanger；Secondary spiral lamina heat exchanger include third channel,
Four-way；The import of the third channel is connected with the outlet of the feeding-passage；The outlet of the third channel and the steaming
Evaporate the charging aperture connection of kettle；The distillating still includes that vapor condensed water is exported；The vapour of the import of the fourth lane and the distillating still
Solidifying water out connection.
Preferably, the recovery tower top layer is divided into the first chamber and the second chamber by dividing plate；The ethanol of the recovery tower top layer steams
Vapor inlet is in the second intracavity；First spiral-plate heat exchanger is in the first intracavity；The of first spiral-plate heat exchanger
Two imports are connected through dividing plate with the alcohol steam import of the second intracavity；The second outlet of first spiral-plate heat exchanger is passed through
Dividing plate is in the second intracavity.
Further, the feeding-passage part is connected through recovery tower top layer tower wall with first spiral-plate heat exchanger
Connect；Another is connected with secondary spiral lamina heat exchanger outside recovery tower.
Preferably, the feed pipe is externally provided with heat-insulation layer.
Preferably, the feeding-passage is provided with sealing member through at the tower wall.
The present invention compared with prior art, with advantages below：
1., using the heat of recovery tower top layer alcohol steam, heat exchange is carried out with light wine, and using distillating still discharge
The waste heat of vapor condensed water is heated to light wine, can be alcohol steam liquefaction；Vapor condensed water waste heat can recycle again, moreover it is possible to improve
The temperature of light wine, reduces the steam consumption of distillating still；
2. the first spiral-plate heat exchanger and alcohol steam are separated by the design of two cavitys of recovery tower top layer, it is ensured that ethanol
The cleaning of steam.
3. feeding-passage is arranged on outside recovery tower, without the need for every layer of tray revamping of recovery tower, simple to operation.
Description of the drawings
Fig. 1 is a kind of structural representation of the charging heating system of alcohol distillation column of the invention；
Fig. 2 is the axial section of feeding-passage in Fig. 1；
Fig. 3 is feeding-passage in Fig. 1 through the profile reclaimed at tower wall.
Specific embodiment
To make architectural feature and the effect reached to the present invention have a better understanding and awareness, to preferably
Embodiment and accompanying drawing coordinate detailed description, are described as follows：
As shown in figure 1, a kind of charging heating system of alcohol distillation column, including the first spiral-plate heat exchanger 1, the second spiral
Sheet heat exchanger 2, feeding-passage 3, distillating still 4.
First spiral-plate heat exchanger 1 is arranged in recovery tower top layer；First spiral-plate heat exchanger 1 include first passage,
Two passages.The import of first passage is connected through tower wall with extraneous light wine source.The outlet of first passage and the import of feeding-passage 3
Connection.The outlet of feeding-passage 3 is connected with the charging aperture of distillating still 4.The import of second channel and the column plate wine of recovery tower top layer
Smart steam inlet connection；The outlet of second channel is inside top layer.
Secondary spiral lamina heat exchanger 2 includes third channel, fourth lane.The import of third channel is gone out with feeding-passage 3
Mouth connection.The outlet of third channel is connected with the charging aperture of distillating still 4.Distillating still 4 includes that vapor condensed water is exported, and fourth lane is entered
Mouth is connected with the vapor condensed water outlet of distillating still 4.
In order that alcohol steam cleaning is not contaminated, recovery tower top layer is the by 5 points of dividing plate by the system that the present invention is provided
One chamber and the second chamber.The alcohol steam import of recovery tower top layer is in the second intracavity；First spiral-plate heat exchanger 1 is in the first chamber
It is interior.Second import of the first spiral-plate heat exchanger 1 is connected through dividing plate 5 with the alcohol steam import of the second intracavity.First spiral
The second outlet of sheet heat exchanger 1 is in the second intracavity through dividing plate 5.
In order to not change the structure of original recovery tower column plate, 3 part of feeding-passage is passed through by the system that the present invention is provided
Recovery tower top layer tower wall is connected with the first spiral-plate heat exchanger 1；Another is connected with secondary spiral lamina heat exchanger 2 outside recovery tower
Connect.
As shown in Figure 2 and Figure 3, heat-insulation layer 8 can be externally provided with feed pipe, and is set through at tower wall in feeding-passage 3
There is sealing member 6.So that light wine heat in the feeding-passage 3 does not lose, sealing member 6 can by inside recovery tower top layer with it is outside very
Good isolation, to ensure the cleaning of ethanol.
In specific works, light wine source 7 is input into weak liquor to the first spiral-plate heat exchanger 1, while the second chamber is to the first spiral
Sheet heat exchanger 1 is input into alcohol steam, and the two completes heat exchange in the first spiral-plate heat exchanger 1, and alcohol steam liquefaction flows into the
Two intracavity, weak liquor flow to secondary spiral lamina heat exchanger 2 by feeding-passage 3 after heating up.Distillating still 4 exchanges heat to secondary spiral lamina
Device 2 supplies vapor condensed water.In secondary spiral lamina heat exchanger 2, post bake is completed with vapor condensed water through the weak liquor of first preheating.
After heat exchange is completed in secondary spiral lamina heat exchanger 2, arrange outside vapor condensed water or recycle, weak liquor flow in distillating still 4 after
It is continuous to carry out heat exchange to design temperature with steam.The vaporized alcohol reached in the weak liquor after design temperature is input into recovery tower.
So far, complete the whole circulation of light wine charging heating.
Ultimate principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
The simply present invention of the personnel it should be appreciated that the present invention is not restricted to the described embodiments, described in above-described embodiment and description
Principle, without departing from the spirit and scope of the present invention the present invention also have various changes and modifications, these change and
Improvement is both fallen within the range of claimed invention.The protection domain of application claims by appending claims and its
Equivalent is defined.
Claims (6)
1. the charging heating system of a kind of alcohol distillation column, it is characterised in that：The feed system includes that the first spiral lamina exchanges heat
Device, feeding-passage, distillating still；First spiral-plate heat exchanger is arranged in recovery tower top layer；The first spiral lamina heat exchange
Device includes first passage, second channel；The import of the first passage is connected through tower wall with extraneous light wine source；Described first leads to
The outlet in road is connected with the import of feeding-passage；The outlet of the feeding-passage is connected with the charging aperture of the distillating still；It is described
The import of second channel is connected with the column plate alcohol steam import of the recovery tower top layer；The outlet of the second channel is in top
In layer.
2. the charging heating system of a kind of alcohol distillation column according to claim 1, it is characterised in that：The system is also wrapped
Include secondary spiral lamina heat exchanger；Secondary spiral lamina heat exchanger includes third channel, fourth lane；The import of the third channel with
The outlet connection of the feeding-passage；The outlet of the third channel is connected with the charging aperture of the distillating still；The distillating still
Export including vapor condensed water；The import of the fourth lane is connected with the vapor condensed water outlet of the distillating still.
3. the charging heating system of a kind of alcohol distillation column according to claim 2, it is characterised in that：The recovery tower top
Layer is divided into the first chamber and the second chamber by dividing plate；The alcohol steam import of the recovery tower top layer is in the second intracavity；Described first
Spiral-plate heat exchanger is in the first intracavity；Second import of first spiral-plate heat exchanger passes through the wine of dividing plate and the second intracavity
Smart steam inlet connection；The second outlet of first spiral-plate heat exchanger is in the second intracavity through dividing plate.
4. the charging heating system of a kind of alcohol distillation column according to claim 2, it is characterised in that：The feeding-passage
A part is connected through recovery tower top layer tower wall with first spiral-plate heat exchanger；Another is in outside recovery tower and the second spiral shell
Spiral plate exchanger connects.
5. the charging heating system of a kind of alcohol distillation column according to claim 1, it is characterised in that：The feed pipe
It is externally provided with heat-insulation layer.
6. the charging heating system of a kind of alcohol distillation column according to claim 4, it is characterised in that：The feeding-passage
Sealing member is provided with through at the tower wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510701968.1A CN105327520B (en) | 2015-10-23 | 2015-10-23 | Feeding and heating system of alcohol recovery tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510701968.1A CN105327520B (en) | 2015-10-23 | 2015-10-23 | Feeding and heating system of alcohol recovery tower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105327520A CN105327520A (en) | 2016-02-17 |
| CN105327520B true CN105327520B (en) | 2017-05-03 |
Family
ID=55278408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510701968.1A Active CN105327520B (en) | 2015-10-23 | 2015-10-23 | Feeding and heating system of alcohol recovery tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105327520B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112741217B (en) * | 2019-10-30 | 2022-12-20 | 国投生物科技投资有限公司 | Fuel ethanol distillation dehydration device and preparation method of distiller's dried grain protein feed |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3481835A (en) * | 1967-10-05 | 1969-12-02 | Gen Electric | Multiple effect distillation apparatus |
| CN101857202B (en) * | 2010-06-04 | 2012-01-25 | 黎明化工研究院 | Purification method of sulfur hexafluoride and equipment thereof |
| CN102059042B (en) * | 2010-10-30 | 2012-10-24 | 陈群 | Combination unit for multilevel heat exchange and gas liquid separation |
| CN205084434U (en) * | 2015-10-23 | 2016-03-16 | 宿州市皖神面制品有限公司 | Feeding heating system of alcohol recovery tower |
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- 2015-10-23 CN CN201510701968.1A patent/CN105327520B/en active Active
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| CN105327520A (en) | 2016-02-17 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Feeding and heating system of alcohol recovery tower Effective date of registration: 20181129 Granted publication date: 20170503 Pledgee: Suzhou Longqiao Branch of Huizhou Commercial Bank Co.,Ltd. Pledgor: SUZHOU WANSHEN FLOUR PRODUCT CO.,LTD. Registration number: 2018340000687 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20191209 Granted publication date: 20170503 Pledgee: Suzhou Longqiao Branch of Huizhou Commercial Bank Co.,Ltd. Pledgor: SUZHOU WANSHEN FLOUR PRODUCT CO.,LTD. Registration number: 2018340000687 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Feeding and heating system of alcohol recovery tower Effective date of registration: 20191224 Granted publication date: 20170503 Pledgee: Suzhou Longqiao Branch of Huizhou Commercial Bank Co.,Ltd. Pledgor: SUZHOU WANSHEN FLOUR PRODUCT CO.,LTD. Registration number: Y2019980001248 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210707 Granted publication date: 20170503 Pledgee: Suzhou Longqiao Branch of Huizhou Commercial Bank Co.,Ltd. Pledgor: SUZHOU WANSHEN FLOUR PRODUCT Co.,Ltd. Registration number: Y2019980001248 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A feed heating system for alcohol recovery tower Effective date of registration: 20220214 Granted publication date: 20170503 Pledgee: China Construction Bank Corporation Suzhou Branch Pledgor: SUZHOU WANSHEN FLOUR PRODUCT CO.,LTD. Registration number: Y2022980001489 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230915 Granted publication date: 20170503 Pledgee: China Construction Bank Corporation Suzhou Branch Pledgor: SUZHOU WANSHEN FLOUR PRODUCT CO.,LTD. Registration number: Y2022980001489 |