CN208161074U - Fusel oil and waste water reclaiming device in methanol production process - Google Patents
Fusel oil and waste water reclaiming device in methanol production process Download PDFInfo
- Publication number
- CN208161074U CN208161074U CN201820412148.XU CN201820412148U CN208161074U CN 208161074 U CN208161074 U CN 208161074U CN 201820412148 U CN201820412148 U CN 201820412148U CN 208161074 U CN208161074 U CN 208161074U
- Authority
- CN
- China
- Prior art keywords
- tower
- methanol
- recovery tower
- waste water
- recovery
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model discloses the fusel oil and waste water reclaiming device in a kind of methanol production process,Recovery tower is followed successively by rectifying section from top to bottom,Stripping section and tower bottom section,Structured packing is provided in rectifying section,High-efficient tower plate is set in stripping section,3-5 feed inlet is provided on stripping section,6-10 fusel oil side take-off mouth,The waste liquid part of recovery tower tower bottom section is cooled down by blowdown pipeline to gaseous effluent cooler,Another part returns recovery tower tower bottom after pipeline is transported to recycling tower reboiler and low-pressure steam heat exchange,Material in recovery tower feeder trough is pumped into heat exchanger and recycles the methanol steam that column overhead methanol steam discharge pipe line comes out by recovery tower feed pump to exchange heat,The material outlet of heat exchanger is connected with each feed inlet of recovery tower,The methanol steam come out from heat exchanger enters recovery tower cooler and is cooled down,Methanol after cooling enters recovery tower backflash,Recovery tower backflash is connected with the tower top methanol eddy pipeline of recovery tower.
Description
Technical field
It is especially to methanol essence the utility model relates to fusel oil and waste water reclaiming device in a kind of methanol production process
The waste water such as fusel-oil fraction, rectifying tower bottom waste water and various maintenance blowdowns, pollution discharge during evaporating carry out recycling first
The device of pure and mild purification fusel oil.
Background technique
In crude carbinol containing a small amount of ethyl alcohol, propyl alcohol, glycerine, butanol, etc. fusels component, this part fusel influence final
The product quality of refined methanol is taken remove these fusel components in rectifying section at present.But it is isolated during methanol rectification
The fusel oil come does not refine, and water content is high in fusel oil, cannot reach the condition of sale, becomes pollutant instead.Secondly exist
During methanol rectification, the tower bottom of rectifying column can discharge a large amount of unqualified waste water, wherein containing methanol, in methanol production also
It can discharge various methanol blowdown liquid (the blowdown liquid of such as repair apparatus), methanol content is high in these waste water, is unable to direct emission
Pollute environment.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides fusel oil and Sewage treatment in a kind of methanol production process
Device achievees the effect that refine fusel oil, recycles methanol in waste water.
In order to realize that above-mentioned first purpose, the technical solution of the utility model are as follows：It is miscellaneous in a kind of methanol production process
Alcohol oil, waste water reclaiming device, it is characterised in that：Including recovery tower, the recovery tower is followed successively by rectifying section, stripping section from top to bottom
With tower bottom section, structured packing is provided in the rectifying section, is provided with 16-20 block high efficiency tower in the stripping section from top to bottom
Disk is provided with 3-5 feed inlet in the middle and upper part of stripping section from top to bottom, and the stripping section is provided with 6-10 from top to bottom
Fusel oil side take-off mouth, the tower top of the recovery tower are provided with methanol steam discharge pipe line, and the recovery tower tower bottom section is given up
Liquid part is cooled down by blowdown pipeline to gaseous effluent cooler, waste water decontamination water treatment facilities after cooling, another part warp
Pipeline returns recovery tower tower bottom after being transported to recycling tower reboiler and low-pressure steam heat exchange, and recovery tower feeder trough is for caching first
The methanol blowdown in fusel fraction, rectifying tower bottom waste water and methanol production and distillation process generated in alcohol distillation process
Liquid, the material in the recovery tower feeder trough are pumped into heat exchanger and recycling column overhead methanol steam discharge by recovery tower feed pump
The methanol steam heat exchange that pipeline comes out, the material outlet of the heat exchanger is connected with each feed inlet of recovery tower, from heat exchanger
Methanol steam out enters recovery tower cooler and is cooled down, and methanol after cooling enters recovery tower backflash, the recycling
Tower backflash is connected with the tower top methanol eddy pipeline of recovery tower, is provided with recovery tower reflux pump on the methanol eddy pipeline.
Using the above scheme, by fusel fraction (the fusel fraction that atmospheric tower side line acquires during methanol rectification), rectifying
Various methanol blowdown liquid in tower tower bottom waste water and methanol production and distillation process are collected into recovery tower feeder trough, then pass through
Recovery tower is sent into after methanol steam preheating, rectifying section isolates methanol steam using structured packing, and stripping section uses high-efficient tower plate
Purify fusel oil.Stripping section is provided with 6-10 fusel oil side take-off mouth from top to bottom, in this way according to each fusel oil side line
The purity for producing the fusel oil of mouth determines that the extraction point of fusel oil product, the fusel oil of extraction are sold as fuel product.Tower top
Methanol steam enters after recovery tower cooler further cools down after heat exchanger and enters recovery tower feeder trough, recovery tower feeder trough
In crude carbinol a part as recovery tower overhead reflux liquid, another part is sent to the pre- essence of methanol fractionation system as crude carbinol
Tower is evaporated as overhead reflux liquid.Tower bottom waste water send sewage treatment after supercooling.
In above scheme：The top of the tower bottom section of the recovery tower is also equipped with structured packing.
In above scheme：The recovery tower feed pump is two, and it is standby that two recovery tower feed pumps one open one.The recovery tower
Reflux pump is also two, and it is standby that two recovery tower reflux pumps one open one.When wherein a pump when something goes wrong can be convenient to overhaul.
In above scheme：The high-efficient tower plate is 18 pieces.Fusel oil can preferably be purified.
In above scheme：The fusel oil side take-off mouth is 8, is distributed in stripping section bottom to the 14th piece of high-efficient tower plate
Between.The feed inlet is four, is distributed between the 8th piece to the 15th piece high-efficient tower plate.Fusel oil can preferably be purified.
Beneficial effect：The device of the utility model can play purification fusel oil, reduce the moisture content in fusel oil, improve
The effect of fusel oil quality, the fusel oil being refining to obtain can be used as fuel sales, improve Business Economic Benefit.Meanwhile this is practical
Novel device can recycle the methanol blowdown liquid in methanol production process, the methanol in methanol waste water, and the crude carbinol of recycling is available
The phegma of pre-rectifying tower in methanol fractionation system, is conducive to being further processed for waste water.
Detailed description of the invention
Fig. 1 is the process flow chart of the utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples：
Embodiment 1, as shown in Figure 1：Fusel oil and waste water reclaiming device in the methanol production process of the utility model by
Recovery tower 1, recovery tower feeder trough 2, recovery tower feed pump 3, heat exchanger 4, recovery tower cooler 5, recovery tower backflash 6, recycling
Tower reflux pump 7, gaseous effluent cooler 8, recovery tower recycling tower reboiler 9 form.
Recovery tower 1 is followed successively by rectifying section, stripping section and tower bottom section from top to bottom, is provided with structured packing 1.4 in rectifying section,
The top of the tower bottom section of recovery tower 1 is also equipped with structured packing 1.4.16-20 block high efficiency tower is provided in stripping section from top to bottom
Disk 1.5, preferably high-efficient tower plate 1.5 are 18 pieces.It is provided with 3-5 feed inlet 1.1, stripping from top to bottom in the middle and upper part of stripping section
Section is provided with 6-10 fusel oil side take-off mouth 1.2 from top to bottom, and preferably fusel oil side take-off mouth 1.2 is 8, is distributed in
The bottom of stripping section is between the 14th piece of high-efficient tower plate 1.5.Feed inlet 1.1 is four, is distributed in the 8th piece to the 15th piece efficiently
Between tower tray 1.5.
The tower top of recovery tower 1 is provided with methanol steam discharge pipe line 1.3.The waste liquid part of 1 tower bottom section of recovery tower is by row
Dirty pipeline is cooled down to gaseous effluent cooler 8, and waste liquid decontamination water treatment facilities after cooling is further processed.Another part is through pipe
Line returns 1 tower bottom of recovery tower after being transported to recycling tower reboiler 9 and low-pressure steam heat exchange.Recovery tower feeder trough 2 is for caching
The methanol blowdown in fusel fraction, rectifying tower bottom waste water and methanol production and distillation process generated during methanol rectification
Liquid (such as maintenance methanol blowdown liquid).Material in recovery tower feeder trough 2 is pumped into heat exchanger 4 and returns by recovery tower feed pump 3
The methanol steam heat exchange that 1 tower top methanol steam discharge pipe line 1.3 of tower comes out is received, recovery tower feed pump 3 is two, two recovery towers
It is standby that feed pump 3 opens one.
The material outlet of heat exchanger 4 is connected with each feed inlet of recovery tower 1, from heat exchanger 4 come out methanol steam into
Enter recovery tower cooler 5 to be cooled down, methanol after cooling enters recovery tower backflash 6, recovery tower backflash 6 and recovery tower 1
Tower top methanol eddy pipeline be connected, recovery tower reflux pump 7 is provided on methanol eddy pipeline.Recovery tower reflux pump 7 is also two
Platform, it is standby that two recovery tower reflux pumps 7 open one.
The utility model is not limited to above-mentioned specific embodiment, it should be understood that those skilled in the art are without wound
The property made labour, which according to the present utility model can conceive, makes many modifications and variations.In short, all technologies in the art
Personnel pass through logical analysis, reasoning, or a limited experiment according to the design of the utility model on the basis of existing technology to be obtained
The technical solution arrived, all should be within the scope of protection determined by the claims.
Claims (7)
1. fusel oil and waste water reclaiming device in a kind of methanol production process, it is characterised in that：Including recovery tower, the recycling
Tower is followed successively by rectifying section, stripping section and tower bottom section from top to bottom, is provided with structured packing in the rectifying section, in the stripping section
It is provided with 16-20 block high-efficient tower plate from top to bottom, is provided with 3-5 feed inlet from top to bottom in the middle and upper part of stripping section, it is described
Stripping section is provided with 6-10 fusel oil side take-off mouth from top to bottom, and the tower top of the recovery tower is provided with methanol steam discharge
The waste liquid part of pipeline, the recovery tower tower bottom section is cooled down by blowdown pipeline to gaseous effluent cooler, waste water after cooling
Decontamination water treatment facilities, another part return recovery tower tower after pipeline is transported to recycling tower reboiler and low-pressure steam heat exchange
Bottom, it is raw that recovery tower feeder trough is used to cache fusel fraction, rectifying tower bottom waste water and the methanol generated during methanol rectification
Produce and distillation process in methanol blowdown liquid, the material in the recovery tower feeder trough is pumped into heat exchanger by recovery tower feed pump
The methanol steam come out with recycling column overhead methanol steam discharge pipe line exchanges heat, the material outlet of the heat exchanger and recovery tower
Each feed inlet is connected, and the methanol steam come out from heat exchanger enters recovery tower cooler and cooled down, methanol after cooling into
Enter recovery tower backflash, the recovery tower backflash is connected with the tower top methanol eddy pipeline of recovery tower, the methanol eddy pipe
Recovery tower reflux pump is provided on line.
2. the fusel oil and waste water reclaiming device in methanol production process according to claim 1, it is characterised in that：Described time
The top for receiving the tower bottom section of tower is also equipped with structured packing.
3. fusel oil and waste water reclaiming device in methanol production process according to claim 1 or claim 2, it is characterised in that：Institute
Stating recovery tower feed pump is two, and it is standby that two recovery tower feed pumps one open one.
4. the fusel oil and waste water reclaiming device in methanol production process according to claim 3, it is characterised in that：Described time
Receiving tower reflux pump is also two, and it is standby that two recovery tower reflux pumps one open one.
5. the fusel oil and waste water reclaiming device in methanol production process according to claim 4, it is characterised in that：The height
Imitating tower tray is 18 pieces.
6. the fusel oil and waste water reclaiming device in methanol production process according to claim 5, it is characterised in that：It is described miscellaneous
Alcohol oil side take-off mouth is 8, is distributed in stripping section bottom between the 14th piece of high-efficient tower plate.
7. the fusel oil and waste water reclaiming device in methanol production process according to claim 6, it is characterised in that：It is described into
Material mouth is four, is distributed between the 8th piece to the 15th piece high-efficient tower plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820412148.XU CN208161074U (en) | 2018-03-26 | 2018-03-26 | Fusel oil and waste water reclaiming device in methanol production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820412148.XU CN208161074U (en) | 2018-03-26 | 2018-03-26 | Fusel oil and waste water reclaiming device in methanol production process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208161074U true CN208161074U (en) | 2018-11-30 |
Family
ID=64374338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820412148.XU Expired - Fee Related CN208161074U (en) | 2018-03-26 | 2018-03-26 | Fusel oil and waste water reclaiming device in methanol production process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208161074U (en) |
-
2018
- 2018-03-26 CN CN201820412148.XU patent/CN208161074U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101570466B (en) | Multi-effect rectifying process of methanol | |
| CN101475899B (en) | Thermal coupling apparatus and process for alcohol differential pressure distillation and waste liquor concentrate of molasses raw material | |
| CN105154144B (en) | A kind of negative pressure benzene removal device and de- benzene method | |
| CN105152863B (en) | Method for recovering ethylene glycol and acetaldehyde from polyester wastewater | |
| CN110256202A (en) | A kind of refining crude methanol process of four towers quadruple effect | |
| CN100429194C (en) | Method for utilizing reaction heat in process of producing methane chloride and purifying mixture | |
| CN201305573Y (en) | Two-tower vacuum tar distilling plant | |
| CN104178210B (en) | The method and process unit of higher boiling conduction oil are discarded in a kind of recycling | |
| CN208161074U (en) | Fusel oil and waste water reclaiming device in methanol production process | |
| CN201512523U (en) | Biological diesel refining device | |
| CN101357879A (en) | Methanol three-tower rectification system and technique | |
| CN106831374A (en) | A kind of acetaldehyde recovery technique and Ethanal distillation column | |
| CN108129266A (en) | A kind of process for detaching high-moisture low carbon mixed alcohol | |
| CN110483249A (en) | A kind of six tower quadruple effect rectificating method of single column steam drive type methanol of not by-product fusel oil | |
| CN107162875B (en) | Process and system for extracting refined methanol and absolute ethanol from crude methanol | |
| CN111333480A (en) | Butadiene refining method and device | |
| CN206027129U (en) | High yield distillation system of propane diamine production line | |
| CN205461094U (en) | Useless organic solvent's distilling Recycle system | |
| CN1125039C (en) | Process for rectifying recovery of diluted dimethyl formamide liquid generated in synthesizing artificial leather by wet method | |
| CN209500837U (en) | A kind of useless methanol production recyclable device | |
| CN102839056A (en) | Stepped recovery and purification method and device of biodiesel methanol | |
| CN220213965U (en) | Device for reducing water resources of methanol rectifying system | |
| CN201952379U (en) | Continuous refining and separating device of gasified crude phenol | |
| CN105037078A (en) | Method for recovering dichloromethane in chlorone mother liquid | |
| CN105669380A (en) | Ethylene glycol recovery device of polyester wastewater recovery system and ethylene glycol recovery method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181130 Termination date: 20210326 |