CN105327520A - Feeding and heating system of alcohol recovery tower - Google Patents
Feeding and heating system of alcohol recovery tower Download PDFInfo
- Publication number
- CN105327520A CN105327520A CN201510701968.1A CN201510701968A CN105327520A CN 105327520 A CN105327520 A CN 105327520A CN 201510701968 A CN201510701968 A CN 201510701968A CN 105327520 A CN105327520 A CN 105327520A
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- channel
- feeding
- alcohol
- 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.)
- Granted
Links
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 238000011084 recovery Methods 0.000 title claims abstract description 32
- 238000010438 heat treatment Methods 0.000 title claims abstract description 19
- 238000004821 distillation Methods 0.000 claims abstract description 37
- 230000008676 import Effects 0.000 claims description 27
- 210000002275 spiral lamina Anatomy 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 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
- 230000008901 benefit Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000013020 steam cleaning Methods 0.000 description 1
- 239000000126 substance 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 alcohol processing technique field, specifically a kind of light wine recovery system.
Background technology
The alcohol distillation column used in industries such as pharmacy, food, light industry, chemical industry at present generally forms primarily of tower body, high-order storage tank, condenser, cooler.It prevents heating volatilization in distillation still by needing the light wine reclaimed, and after tower body rectifying, separates out the alcohol gas of high concentration, and in gas uphill process, temperature declines gradually and makes part alcohol produce backflow.The alcohol gas finally entering tower top often needs to introduce low-temperature receiver makes its condensation to its cooling.Process is loaded down with trivial details, and power consumption.
Distillation still, when distilling light wine, can produce a large amount of vapour and coagulate water, and it is higher that vapour coagulates coolant-temperature gage, if secondary does not utilize, will cause very large energy loss, also can cause certain pollution to environment.
Summary of the invention
The object of the invention is, in order to solve in prior art the large defect that consumes energy in thin alcohol recovery tower, to provide a kind of charging heating system of alcohol distillation column to solve the problems referred to above.
Invention is achieved through the following technical solutions above-mentioned technical purpose:
A charging heating system for alcohol distillation column, comprises the first spiral-plate heat exchanger, feeding-passage, distillation still; Described first spiral-plate heat exchanger is arranged in recovery tower top layer; Described first spiral-plate heat exchanger comprises first passage, second channel; The import of described first passage is connected with extraneous light wine source through tower wall; The outlet of described first passage is connected with the import of feeding-passage; The outlet of described feeding-passage is connected with the charging aperture of described distillation still; The import of described second channel is connected with the column plate alcohol steam import of described recovery tower top layer; The outlet of described second channel is in top layer.
Preferably, described system also comprises secondary spiral lamina heat exchanger; Secondary spiral lamina heat exchanger comprises third channel, four-way; The import of described third channel is connected with the outlet of described feeding-passage; The outlet of described third channel is connected with the charging aperture of described distillation still; Described distillation still comprises vapour and coagulates water out; The import of described four-way is coagulated water out with the vapour of described distillation still and is connected.
Preferably, described recovery tower top layer is divided into the first chamber and the second chamber by dividing plate; The alcohol steam import of described recovery tower top layer is in the second chamber; Described first spiral-plate heat exchanger is in the first chamber; Second import of described first spiral-plate heat exchanger is connected with the alcohol steam import in the second chamber through dividing plate; Second outlet of described first spiral-plate heat exchanger is in the second chamber through dividing plate.
Further, a described feeding-passage part is connected with described first spiral-plate heat exchanger through recovery tower top layer tower wall; Another portion is in outside recovery tower and is connected with secondary spiral lamina heat exchanger.
Preferably, heat-insulation layer is provided with outside described feed pipe.
Preferably, described feeding-passage is provided with seal through described tower wall place.
The present invention compared with prior art, has the following advantages:
1. utilize the heat of recovery tower top layer alcohol steam, carry out heat exchange with light wine, and the waste heat that the vapour utilizing distillation still to discharge coagulates water heating light wine, can be alcohol steam liquefaction; Vapour can be made again to coagulate water waste heat recycling, the temperature of light wine can also be improved, reduce the steam consumption of distillation still;
2. the first spiral-plate heat exchanger separates with alcohol steam by the design of recovery tower top layer two cavitys, ensure that the cleaning of alcohol steam.
3. feeding-passage is arranged on outside recovery tower, without the need to recovery tower every layer tray revamping, simple to operation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the charging heating system of a kind of alcohol distillation column of the present invention;
Fig. 2 is the axial section of feeding-passage in Fig. 1;
Fig. 3 is the profile that in Fig. 1, feeding-passage passes recovery tower wall place.
Detailed description of the invention
For making to have a better understanding and awareness architectural feature of the present invention and effect of reaching, coordinating detailed description in order to preferred embodiment and accompanying drawing, being described as follows:
As shown in Figure 1, a kind of charging heating system of alcohol distillation column, comprises the first spiral-plate heat exchanger 1, secondary spiral lamina heat exchanger 2, feeding-passage 3, distillation still 4.
First spiral-plate heat exchanger 1 is arranged in recovery tower top layer; First spiral-plate heat exchanger 1 comprises first passage, second channel.The import of first passage is connected with extraneous light wine source through tower wall.The outlet of first passage is connected with the import of feeding-passage 3.The outlet of feeding-passage 3 is connected with the charging aperture of distillation still 4.The import of second channel is connected with the column plate alcohol steam import of recovery tower top layer; The outlet of second channel is in top layer inside.
Secondary spiral lamina heat exchanger 2 comprises third channel, four-way.The import of third channel is connected with the outlet of feeding-passage 3.The outlet of third channel is connected with the charging aperture of distillation still 4.Distillation still 4 comprises vapour and coagulates water out, and the import of four-way is coagulated water out with the vapour of distillation still 4 and is connected.
In order to make alcohol steam cleaning not contaminated, recovery tower top layer is divided into the first chamber and the second chamber by dividing plate 5 by system provided by the invention.The alcohol steam import of recovery tower top layer is in the second chamber; First spiral-plate heat exchanger 1 is in the first chamber.Second import of the first spiral-plate heat exchanger 1 is connected with the alcohol steam import in the second chamber through dividing plate 5.Second outlet of the first spiral-plate heat exchanger 1 is in the second chamber through dividing plate 5.
In order to not change the structure of original recovery tower column plate, feeding-passage 3 part is connected with the first spiral-plate heat exchanger 1 through recovery tower top layer tower wall by system provided by the invention; Another portion is in outside recovery tower and is connected with secondary spiral lamina heat exchanger 2.
As shown in Figure 2 and Figure 3, heat-insulation layer 8 can be provided with outside feed pipe, and be provided with seal 6 at feeding-passage 3 through tower wall place.To make light wine heat in feeding-passage 3 not lose, seal 6 well can be isolated inner for recovery tower top layer, to ensure the cleaning of alcohol with outside.
In specific works, light wine source 7 inputs weak liquor to the first spiral-plate heat exchanger 1, second chamber inputs alcohol steam to the first spiral-plate heat exchanger 1 simultaneously, the two completes heat exchange in the first spiral-plate heat exchanger 1, in alcohol steam liquefaction inflow second chamber, weak liquor flows to secondary spiral lamina heat exchanger 2 by feeding-passage 3 after heating up.Distillation still 4 is supplied vapour to secondary spiral lamina heat exchanger 2 and is coagulated water.In secondary spiral lamina heat exchanger 2, coagulate water through the weak liquor of first preheating and vapour and complete post bake.Complete heat exchange in secondary spiral lamina heat exchanger 2 after, vapour coagulates water and arranges outward or recycle, and weak liquor flows in distillation still 4 and continues to carry out heat exchange to design temperature with steam.The vaporized alcohol reached in the weak liquor after design temperature inputs to recovery tower.So far, the whole circulation of light wine charging heating is completed.
More than show and describe general principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; the just principle of the present invention described in above-described embodiment and description; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in claimed scope of the present invention.The protection domain of application claims is defined by appending claims and equivalent thereof.
Claims (6)
1. a charging heating system for alcohol distillation column, is characterized in that: described feed system comprises the first spiral-plate heat exchanger, feeding-passage, distillation still; Described first spiral-plate heat exchanger is arranged in recovery tower top layer; Described first spiral-plate heat exchanger comprises first passage, second channel; The import of described first passage is connected with extraneous light wine source through tower wall; The outlet of described first passage is connected with the import of feeding-passage; The outlet of described feeding-passage is connected with the charging aperture of described distillation still; The import of described second channel is connected with the column plate alcohol steam import of described recovery tower top layer; The outlet of described second channel is in top layer.
2. the charging heating system of a kind of alcohol distillation column according to claim 1, is characterized in that: described system also comprises secondary spiral lamina heat exchanger; Secondary spiral lamina heat exchanger comprises third channel, four-way; The import of described third channel is connected with the outlet of described feeding-passage; The outlet of described third channel is connected with the charging aperture of described distillation still; Described distillation still comprises vapour and coagulates water out; The import of described four-way is coagulated water out with the vapour of described distillation still and is connected.
3. the charging heating system of a kind of alcohol distillation column according to claim 2, is characterized in that: described recovery tower top layer is divided into the first chamber and the second chamber by dividing plate; The alcohol steam import of described recovery tower top layer is in the second chamber; Described first spiral-plate heat exchanger is in the first chamber; Second import of described first spiral-plate heat exchanger is connected with the alcohol steam import in the second chamber through dividing plate; Second outlet of described first spiral-plate heat exchanger is in the second chamber through dividing plate.
4. the charging heating system of a kind of alcohol distillation column according to claim 2, is characterized in that: a described feeding-passage part is connected with described first spiral-plate heat exchanger through recovery tower top layer tower wall; Another portion is in outside recovery tower and is connected with secondary spiral lamina heat exchanger.
5. the charging heating system of a kind of alcohol distillation column according to claim 1, is characterized in that: be provided with heat-insulation layer outside described feed pipe.
6. the charging heating system of a kind of alcohol distillation column according to claim 4, is characterized in that: described feeding-passage is provided with seal through described tower wall place.
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 true CN105327520A (en) | 2016-02-17 |
| CN105327520B 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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112741217A (en) * | 2019-10-30 | 2021-05-04 | 国投生物科技投资有限公司 | Fuel ethanol distillation dehydration device and preparation method of dried distillers' grain protein feed |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3481835A (en) * | 1967-10-05 | 1969-12-02 | Gen Electric | Multiple effect distillation apparatus |
| CN101857202A (en) * | 2010-06-04 | 2010-10-13 | 黎明化工研究院 | Purification method of sulfur hexafluoride and equipment thereof |
| CN102059042A (en) * | 2010-10-30 | 2011-05-18 | 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 |
-
2015
- 2015-10-23 CN CN201510701968.1A patent/CN105327520B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3481835A (en) * | 1967-10-05 | 1969-12-02 | Gen Electric | Multiple effect distillation apparatus |
| CN101857202A (en) * | 2010-06-04 | 2010-10-13 | 黎明化工研究院 | Purification method of sulfur hexafluoride and equipment thereof |
| CN102059042A (en) * | 2010-10-30 | 2011-05-18 | 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112741217A (en) * | 2019-10-30 | 2021-05-04 | 国投生物科技投资有限公司 | Fuel ethanol distillation dehydration device and preparation method of dried distillers' grain protein feed |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105327520B (en) | 2017-05-03 |
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| PB01 | Publication | ||
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| 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 |