CN205965050U - Energy -conserving alcohol recovery system - Google Patents
Energy -conserving alcohol recovery system Download PDFInfo
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- CN205965050U CN205965050U CN201620666115.9U CN201620666115U CN205965050U CN 205965050 U CN205965050 U CN 205965050U CN 201620666115 U CN201620666115 U CN 201620666115U CN 205965050 U CN205965050 U CN 205965050U
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- rectifying column
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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
- 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
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model relates to an energy -conserving alcohol recovery system, the utility model discloses an overcome " single tower ordinary pressure " power consumption of production technology, the shortcoming of inefficiency. Adopt two tower differential pressure distillation and multistage thermal coupling technique, this system has a rectifying column and two rectifying columns that connect gradually, and a vapour pressure for the rectifying column operates, and two smart tower operating by negative pressure utilize a rectifying column top of the tower wine vapour to pass through the reboiler heating. Retrieving ton alcohol and only consuming steam 350kg, energy -conserving effect is showing.
Description
Technical field
The utility model proposes a kind of energy-conservation alcohol recovery system belong to alcohol recycle field, poor particularly to a kind of two towers
Pressure energy-saving distillation system.
Background technology
Ethanol is one of important raw material of industry in chemical plant or pharmaceutical factory, and ethanol needs to carry further after using as solvent
Pure recovery, the ethanol after recovery reuses, to reduce production cost.The equipment of recovered alcohol is typically alcohol recovery system, its
Middle capital equipment is the composition such as alcohol distillation column, condenser, cooler, return tank, pump, storage tank, and alcohol recycle need to be to recovery
Ethanol carry out heating volatilization, after recovered tower body rectification, separate out absolute alcohol gas, then after condensed device, cooler to wine
Seminal fluid.Be usually now using " single column normal pressure " production technology by faints 30 ~ 72%（v/v）It is concentrated into 93%（v/v）, this system
Efficiency is low, high energy consumption.
Content of the invention
The purpose of this utility model is the shortcoming overcoming the power consumption of " single column normal pressure " production technology, efficiency low.
This utility model be employed technical scheme comprise that：Using two tower differential distillations and multistage thermal coupled process, reclaim
Ethanol.
A kind of energy-conservation alcohol recovery system, including rectifying column, reboiler, heat exchanger and pump；It is characterized in that also having successively
The rectifying column connecting and two rectifying columns, a described rectifying column is pressurizing tower, and two rectifying columns are negative pressure tower, and described one, two are smart
Evaporate and between tower, use reboiler, heat exchanger and pump to connect.
A kind of above-mentioned energy-conservation alcohol recovery system is it is characterised in that described：One rectifying column steam pressurized operation, two
Rectifying column negative-pressure operation, is heated by reboiler using a rectifying column tower top wine vapour.
A kind of above-mentioned energy-conservation alcohol recovery system it is characterised in that the connection of a described rectifying column and two rectifying columns is,
Light wine enters 1# finished product cooler by pipeline（12）, 1# finished product cooler（12）Cold side outlet and two rectifying column wine vapour preheaters
（10）It is connected, two rectifying column wine vapour preheaters（10）Cold side outlet and two rectifying column waste liquid heat exchange（9）It is connected, two rectifying column waste liquids
Heat exchange（9）Cold side outlet respectively with two rectifying columns（2）Middle part charging aperture and a rectifying column waste liquid heat exchanger（8）Cold side inlet phase
Even, a rectifying column waste liquid heat exchanger（8）Cold side outlet and a rectifying column（1）Middle part charging aperture is connected；
One rectifying column（1）Pipeline and a rectifying column reboiler are passed through in bottom（3）Connect, a rectifying column reboiler（3）Hot junction
Import is connected with steam pipe, and cooling water passes through pipeline toward boiler；One rectifying column（1）Bottom waste stream outlet and a rectifying column give up
Liquid pump（14）Import is connected, a rectifying column waste drains pump（14）Outlet and a rectifying column waste liquid heat exchanger（8）Hot side inlet is connected, and one
Rectifying column waste liquid heat exchanger（8）Hot junction outlet is delivered to wastewater treatment working section by managing；One rectifying column（1）Top wine steam pipe with
Two rectifying column reboilers（4）Hot side inlet connects, two rectifying column product warehousings, two rectifying column reboilers（4）Hot junction outlet and one
Rectifier column reflux tank（5）Its top feed mouth connects, a rectifier column reflux tank（5）Bottom discharge mouth and a rectifier column reflux pump（15）
Import connects, a rectifier column reflux pump（15）Outlet respectively with a rectifying column（1）Overhead reflux mouth connects and 1# finished product cooler
（12）Hot side inlet is connected；
Two rectifying columns（2）Bottom and two rectifying column reboilers（4）Connected by pipeline；Two rectifying columns（2）Bottom removal waste fluid
Mouth passes through pipeline and two rectifying column waste drains pumps（16）Import connects, two rectifying column waste drains pumps（16）Outlet is pre- with two rectifying column waste liquids
Hot device（9）Hot side inlet is connected, two rectifying column waste liquid preheaters（9）Hot junction outlet is delivered to wastewater treatment working section by managing；
Two rectifying columns（2）Top duct and two rectifying column wine vapour preheaters（10）Hot side inlet is connected, two rectifying column wine vapour preheaters
（10）Hot junction outlet and two rectifying column tower top condensers（11）Hot side inlet is connected, two rectifying column tower top condensers（11）Hot junction goes out
Mouth and vacuum pump（19）Import is connected；Two rectifying column wine vapour preheaters（10）With two rectifying column tower top condensers（11）Outlet is passed through
Pipeline and two rectifier column reflux tanks（6）Top inlet is connected, two rectifier column reflux tanks（6）Outlet at bottom and two rectifier column reflux pumps
（17）Import is connected, two rectifier column reflux pumps（17）Outlet respectively with two rectifying columns（2）Overhead reflux charging aperture is connected to become with 1#
Product cool down（12）Hot side inlet is connected, 1# finished product cooler（12）Cold end and 2# finished product cooler（13）Hot side inlet is connected, 2#
Finished product cooler（13）Cold side outlet and finished product storage tank（7）Charging aperture is connected, finished product storage tank（7）Bottom and product warehousing pump（18）
It is connected.
A kind of energy-conservation alcohol recovery system, described 108 DEG C of a rectifying column column bottom temperature, tower bottom pressure 1.34Bar；Tower top
93.5 DEG C of temperature, tower top pressure 0.78Bar, described two rectifying tower pressure on top surface -0.55Bar, 59.5 DEG C of tower top temperature, bottom of towe
Pressure -0.43 Bar, 68 DEG C of column bottom temperature.
A kind of energy-conservation alcohol recovery system it is characterised in that：The number of plates of a described rectifying column is 50 layers, and column plate type is
Valve plate；Light wine adds from described the 25th block of column plate of a rectifying column.
A kind of energy-conservation alcohol recovery system it is characterised in that：The number of plates of described two rectifying columns is 40 layers, and column plate type is
Valve plate；Light wine adds from described the 25th block of column plate of two rectifying columns.
Advantage of the present invention：
1st, two tower differential distillation techniques, i.e. rectifying column steam pressurized operation are adopted, two rectifying columns are negative-pressure operation, profit
Heated by reboiler with rectifying column tower top wine vapour;
2nd, adopt multistage thermal coupled process, reclaim ton ethanol and only consume steam 350kg, energy-saving effect is notable;
3rd, entirely adopt Automated condtrol in the present system, produce product quality stable.
Brief description
Fig. 1 is system connection figure of the present utility model;
Wherein：1st, a rectifying column, 2, two rectifying columns, 3, one rectifying column reboiler, 4, two rectifying column reboilers, 5, one rectification
Tower return tank, 6, two rectifier column reflux tanks, 7, finished product storage tank, 8, one rectifying column waste liquid preheater, 9, two rectifying column waste liquids are pre-
Hot device, 10, two rectifying column wine vapour preheaters, 11, two rectifying column tower top condensers, 12,1# finished product cooler, 13,2# finished product cold
But device, 14, one rectifying column waste drains pump, 15, one rectifier column reflux pump, 16, two rectifying column waste drains pumps, 17, two rectifier column reflux pumps,
18th, product warehousing pump, 19, vacuum pump.
Specific embodiment
In conjunction with accompanying drawing 1, the technical scheme in this example is described;Described rectifying column steam pressurized operation, two rectifying columns
Negative-pressure operation, passes through a rectifying column reboiler heating using a rectifying column tower top wine vapour;The number of plates of a described rectifying column is 50
Layer, column plate type is valve plate, and light wine adds from described the 25th block of column plate of a rectifying column；The number of plates of described two rectifying columns is
40 layers, column plate type is valve plate；Light wine adds from described the 25th block of column plate of two rectifying columns.
The connection of the system equipment and workflow are that light wine enters 1# finished product cooler by pipeline（12）Through finished product
After the first preheating of wine, enter two rectifying column wine vapour preheaters（10）Carry out secondary preheating, then through two rectifying columns（2）Waste liquid heat exchanger
（9）It is partially in the middle part of two rectifying columns after three preheatings；And another part ethanol is through a rectifying column waste liquid heat exchanger（8）Finally pre-
A rectifying column is entered after heat（1）Middle part;
One rectifying column（1）Using positive pressure operation, 108 DEG C of column bottom temperature, tower bottom pressure 1.34Bar；93.5 DEG C of tower top temperature,
Tower top pressure 0.78Bar, two rectifying columns（2）Using negative-pressure operation, tower top pressure -0.55Bar, 59.5 DEG C of tower top temperature；Bottom of towe
Pressure -0.43 Bar, 68 DEG C of column bottom temperature.One rectifying column（1）By a rectifying column reboiler（3）Use steam indirectly heat, tower
The wine vapour that top produces passes through two rectifying column reboilers（4）Heat two rectifying columns（2）, two rectifying column reboilers（4）The condensation producing
Wine enters a rectifier column reflux tank（5）By a rectifying column pump（15）Return stream or adopt finished product ethanol.Two rectifying columns（2）Tower top produces
Raw wine vapour, first through wine vapour two rectifying column preheater（10）Condensation, then through two rectifying column tower top condensers（11）Afterwards, not condensing body
Enter vacuum pump（19）And enter air.And through two rectifying column wine vapour preheaters（10）Condensation, two rectifying column condensers（11）Cold
Solidifying ethanol then enters two rectifier column reflux tanks（6）, through two rectifying column pumps（17）Partial reflux, partly adopts wine entrance 1# finished product cold
But device（12）With 2# finished product cooler（13）, and enter ethanol finished product storage tank（7）;
One rectifying column reboiler（3）The steam condensate (SC) producing is through pipeline to boiler.One rectifying column（1）Waste water warp
One rectifying column waste drains pump（14）After pressurization, through a rectifying column wastewater heat exchange device（8）Through pipeline to sewage plant after heat exchange.Two essences
Evaporate tower（2）Two rectifying column waste liquids are through pump（16）After pressurization, through two rectifying column waste liquid preheaters（9）Through pipeline to dirt after heat exchange
Water station;
The present invention adopts two tower differential distillations, and adopts multistage thermal coupled process, produces（Reclaim）Ton ethanol only consumes vapour
350kg.
Claims (4)
1. a kind of energy-conservation alcohol recovery system, including rectifying column, reboiler, heat exchanger and pump；It is characterized in that also have connecting successively
The rectifying column connecing（1）With two rectifying columns（2）, a described rectifying column is pressurizing tower, and two rectifying columns are negative pressure tower, described one,
Reboiler, heat exchanger and pump is used to connect between two rectifying columns；
The connection of a described rectifying column and two rectifying columns is that light wine enters 1# finished product cooler by pipeline（12）, 1# finished product
Cooler（12）Cold side outlet and two rectifying column wine vapour preheaters（10）It is connected, two rectifying column wine vapour preheaters（10）Cold side outlet
With two rectifying column waste liquid heat exchangers（9）It is connected, two rectifying column waste liquid heat exchangers（9）Cold side outlet respectively with two rectifying columns（2）In
Portion's charging aperture and a rectifying column waste liquid heat exchanger（8）Cold side inlet is connected, a rectifying column waste liquid heat exchanger（8）Cold side outlet and one
Rectifying column（1）Middle part charging aperture is connected；
One rectifying column（1）Pipeline and a rectifying column reboiler are passed through in bottom（3）Connect, a rectifying column reboiler（3）Hot side inlet
It is connected with steam pipe, cooling water passes through pipeline toward boiler；One rectifying column（1）Bottom waste stream outlet and a rectifying column waste drains pump
（14）Import is connected, a rectifying column waste drains pump（14）Outlet useless device heat exchanger with a rectifying column（8）Hot side inlet is connected, a rectification
Tower waste liquid heat exchanger（8）Hot junction outlet is delivered to liquid waste processing workshop section by managing；One rectifying column（1）Top wine steam pipe and two essences
Evaporate tower reboiler（4）Hot side inlet connects, two rectifying column reboilers（4）Hot junction outlet and a rectifier column reflux tank（5）Top is entered
Material mouth connects, a rectifier column reflux tank（5）Bottom discharge mouth and a rectifier column reflux pump（15）Import connects, a rectifier column reflux
Pump（15）Outlet respectively with a rectifying column（1）Overhead reflux mouth connects and 1# finished product cooler（12）Hot side inlet is connected；
Two rectifying columns（2）Bottom and two rectifying column reboilers（4）Connected by pipeline；Two rectifying columns（2）Bottom removal waste fluid mouth leads to
Piping and two rectifying column waste drains pumps（16）Import connects, two rectifying column waste drains pumps（16）Outlet and two rectifying column waste liquid preheaters
（9）Hot side inlet is connected, two rectifying column waste liquid preheaters（9）Hot junction outlet is delivered to wastewater treatment working section by managing；Two essences
Evaporate tower（2）Top duct and two rectifying column wine vapour preheaters（10）Hot side inlet is connected, two rectifying column wine vapour preheaters（10）Heat
Bring out mouth and two rectifying column tower top condensers（11）Hot side inlet is connected, two rectifying column tower top condensers（11）Hot junction exports and true
Empty pump（19）Import is connected；Two rectifying column wine vapour preheaters（10）With two rectifying column tower top condensers（11）Pipeline is passed through in outlet
With two rectifier column reflux tanks（6）Top inlet is connected, two rectifier column reflux tanks（6）Outlet at bottom and two rectifier column reflux pumps（17）
Import is connected, two rectifier column reflux pumps（17）Outlet respectively with two rectifying columns（2）Overhead reflux charging aperture is connected and 1# finished product is cold
But device（12）Hot side inlet is connected, 1# finished product cooler（12）Cold end and 2# finished product cooler（13）Hot side inlet is connected, and 2# becomes
Product cooler（13）Cold side outlet and finished product storage tank（7）Charging aperture is connected, finished product storage tank（7）Bottom and product warehousing pump（18）Phase
Even.
2. a kind of energy-conservation alcohol recovery system according to claim 1 is it is characterised in that a described rectifying column（1）Bottom of towe
Temperature is 108 DEG C, and tower bottom pressure is 1.34Bar, and tower top temperature is 93.5 DEG C, and tower top pressure is 0.78Bar；Two described rectification
Tower（2）Tower top pressure is -0.55Bar, and tower top temperature is 59.5 DEG C, and tower bottom pressure is -0.43 Bar, 68 DEG C of column bottom temperature.
3. a kind of energy-conservation alcohol recovery system according to claim 1 and 2 is it is characterised in that a described rectifying column（1）
The number of plates be 50 layers, column plate type be valve plate；Light wine adds from described the 25th block of column plate of a rectifying column.
4. a kind of energy-conservation alcohol recovery system according to claim 1 and 2 is it is characterised in that described two rectifying columns（2）
The number of plates be 40 layers, column plate type be valve plate；Light wine adds from described the 25th block of column plate of two rectifying columns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620666115.9U CN205965050U (en) | 2016-06-30 | 2016-06-30 | Energy -conserving alcohol recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620666115.9U CN205965050U (en) | 2016-06-30 | 2016-06-30 | Energy -conserving alcohol recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205965050U true CN205965050U (en) | 2017-02-22 |
Family
ID=58022607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620666115.9U Active CN205965050U (en) | 2016-06-30 | 2016-06-30 | Energy -conserving alcohol recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205965050U (en) |
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2016
- 2016-06-30 CN CN201620666115.9U patent/CN205965050U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No.28 Industrial Avenue, Tangduo Town, Wuchuan City, Zhanjiang City, Guangdong Province Patentee after: Guangdong Hongtai Ganhua Equipment Co.,Ltd. Address before: 524568, No. 48 Industrial Avenue, Wuchuan, Guangdong, Zhanjiang Patentee before: WUCHUAN HONGTAI SUGARCANE CHEMICAL EQUIPMENT Co.,Ltd. |