CN208430058U - A kind of device recycling butanol from esterification production waste water - Google Patents
A kind of device recycling butanol from esterification production waste water Download PDFInfo
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- CN208430058U CN208430058U CN201820621548.1U CN201820621548U CN208430058U CN 208430058 U CN208430058 U CN 208430058U CN 201820621548 U CN201820621548 U CN 201820621548U CN 208430058 U CN208430058 U CN 208430058U
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Abstract
The utility model discloses a kind of devices that butanol is recycled from esterification production waste water, including waste water storage tank, Butanol Recycling tower, tower reactor cooler, tower top cooler, first-stage condenser, secondary condenser, tower buffer tank, extraction pump, feed pump and highly concentrated butanol storage container, Butanol Recycling tower gaseous phase outlet is connect after connecting with first-stage condenser with secondary condenser, the liquid-phase outlet of first-stage condenser and secondary condenser is connect with tower buffer tank respectively, tower buffer tank gaseous phase outlet is connect with secondary condenser, liquid phase is produced butanol product by extraction pump in tower buffer tank, tower reactor cooler is connect with Butanol Recycling tower.The utility model is condensed by mixed vapour of the multi-stage condensing device to high temperature gas phase butanol and water that recovery tower comes out, enriching and recovering butanol, improve condensation efficiency, reduce reflux ratio, increase produced quantity, reduce energy consumption, reduces production cost, the output of butanol product is improved, while solving influence of the organic wastewater containing butanol to environment.
Description
Technical field
The utility model relates to be esterified production wastewater treatment recovery technology field, and in particular to a kind of to produce waste water from esterification
The device of middle recycling butanol.
Background technique
Butanol is a kind of important chemical products, serves many purposes, chemical raw material is used as in plastics industry, in food
Be used as extractant in perfume industry.
Currently, to make sour fully reacting, reaction generally takes the excessive method of butanol, then exists in butyl ester production process
Contain more butanol in the light component generated in distillation process, direct emission also produces serious for environmental pollution is serious
Material waste, therefore the organic raffinat containing butanol is handled using excellent processing recovery process and obtains high-concentration butanol, such as
This one both solves harm of the butanol waste water to human body and environment, moreover it is possible to save material, generate economic benefit.
Patent CN203923057U describes a kind of improved Butanol Recycling device, has used multiple destilling tower combined operatings
Method, although the method can preferably recycle butanol, it is more that the use of multiple destilling towers causes equipment, energy consumption is high,
The characteristics of complex process.
Patent CN106008158A describes a kind of device and technique that butanol is recycled from low-concentration organic waste water, is transporting
During row, the gas phase that tower top leaves becomes liquid phase by tower top cooler, is back in rectifying column, while butanol is constantly enriched with
In the cooling separator of tower top, then sent by tower top return pump using the butanol being enriched in cooling separator as butanol product
Out.But this method, which only passes through a tower top cooler, carries out condensation enrichment for the high-temp butanol gas phase in rectifying column, condensation is rich
Collecting inefficient, most butanol is back in rectifying column together with vapor again, and the material to flow back into is more, that is,
Mean that cold conditions liquid absorbs that heat evaporating capacity is bigger, and energy consumption is higher in tower, carries out high temperature rectifying again, it will go out
Existing energy consumption is high, and production hour is long, defect at high cost.
Utility model content
The purpose of this utility model is that overcome defect existing in the prior art, provide a kind of low cost, low energy consumption,
Production hour is shorter, the high Butanol Recycling device of yield.
To achieve the above object, the technical solution of the utility model, which is to provide, a kind of recycles butanol from esterification production waste water
Device, including waste water storage tank, Butanol Recycling tower, tower reactor cooler, tower top cooler, first-stage condenser, secondary condenser, tower
Push up surge tank, extraction pump, feed pump and highly concentrated butanol storage container；The waste water storage tank by feed pump and Butanol Recycling tower into
Material mouth connection；The Butanol Recycling column overhead gaseous phase outlet is connected to first-stage condenser by pipeline, and first-stage condenser gas phase goes out
Mouth is connect with secondary condenser, and first-stage condenser liquid-phase outlet is connect with tower buffer tank；The liquid phase of the secondary condenser goes out
Mouth is connect with tower buffer tank, and tower buffer tank gaseous phase outlet is connect with secondary condenser；The tower buffer tank liquid-phase outlet
It is connect by extraction pump with tower top cooler entrance；Tower top cooler liquid-phase outlet is connect with highly concentrated butanol storage container；It is described
Tower reactor cooler is connect with Butanol Recycling tower.
Preferred technical solution is that heat exchanger is additionally provided between the waste water storage tank and Butanol Recycling tower, and the butanol returns
It receives after column overhead gaseous phase outlet is connect by pipeline with heat exchanger and is connect again with first-stage condenser；The waste water storage tank and heat exchanger
It is connect again with Butanol Recycling tower feed inlet after connection.Material and the high-temp butanol gas phase of Butanol Recycling column overhead extraction pass through heat exchange
Device carries out heat exchange, reduces the thermic load of Butanol Recycling tower, reduces the energy consumption of Butanol Recycling tower material heating, is conducive to
The energy conservation of device.
Preferred technical solution is to be additionally provided with one between the tower top cooler and highly concentrated butanol storage container and separate
Device, the separator include that water phase outlet is mutually exported with oil；The water phase outlet is connect with water phase recycling can, and water phase recycling can goes out
Mouth is connect with waste water storage tank；Mutually outlet is connect the oil with oily phase recycling can, and oily phase recycling can and highly concentrated butanol storage container connect
It connects.Liquid phase butanol by the condensation enrichment of tower top cooler also contains a large amount of water, is directly connected to Butanol Recycling tank, recycles butanol
Concentration is lower；Separator is added, water phase and oily phase in the liquid phase butanol of tower top cooler enrichment, the butanol in oily phase are separated
Concentration is further increased than the liquid phase butanol concentration that condenser is enriched with；Water phase is connect with liquid waste tank, is again gone into butanol and is returned
Receipts system improves material utilization, reduces loss.
For the oil phase and separation of oil of the liquid phase butanol for being enriched with condenser, guarantee the loss of butanol in the water phase of extraction
It is less, be conducive to improve the rate of recovery of butanol and obtain high-purity butanol, further preferred embodiment is that the separator is poly-
Tie separator or decanter.
Preferred technical solution is that the device of the recycling butanol from esterification production waste water further includes reboiler and tower reactor
Extraction pump, the Butanol Recycling tower materials at bottom of tower outlet are connect with reboiler tube-side inlet, and the tube side outlet of reboiler divides two-way,
It connect in the middle part of Butanol Recycling tower, is in addition connect all the way by tower reactor extraction pump with the tower reactor cooler of Butanol Recycling tower all the way；
Valve is additionally provided between the reboiler and tower reactor extraction pump.The material of Butanol Recycling tower tower bottom passes through reboiler vapour again
Change, boil-off vapor enters Butanol Recycling tower by a way outlet, and unboiled complete material is by reboiler and tower reactor cooler
Between connecting line enrichment, when being enriched to a certain concentration, by tower reactor produce pump extraction after be back to Butanol Recycling tower, mention
The amount of gas phase butanol in high recovery tower.
In order to avoid reclaim liquid phase is static in tower buffer tank, product polymerize, and preferred technical solution is, described to adopt
Pump discharge divides two-way out, connect all the way with tower top cooler, in addition all the way with tower buffer tank Hui Lian.
For the reliability for improving the corrosion resistance of recovery tower and using, reduce energy consumption, improves separation accuracy, into
The preferred technical solution of one step is that the Butanol Recycling tower is column plate rectifying column.
Advantages and beneficial effects of the utility model lie in that the utility model is come out by multi-stage condensing device in recovery tower
High temperature gas phase butanol and the mixed vapour of water condensed, enriching and recovering butanol improves condensation efficiency, and reduction flows back into butanol
Material in recovery tower reduces reflux ratio, increases produced quantity, reduces energy consumption, reduces production cost, improves butanol product
Output, while solving influence of the organic wastewater containing butanol to environment, it is particularly suitable for the recovery processing of low concentration butanol.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment 1；
Fig. 2 is the structural schematic diagram of the utility model embodiment 2；
Fig. 3 is the structural schematic diagram of the utility model embodiment 3；
In figure: 1, waste water storage tank；2, feed pump；3, Butanol Recycling tower；4, first-stage condenser；4.1, first-stage condenser gas phase
Outlet；4.2, first-stage condenser liquid-phase outlet；5, secondary condenser；5.1, secondary condenser liquid-phase outlet；6, tower buffer tank；
6.1, tower buffer tank gaseous phase outlet；6.2, tower buffer tank liquid-phase outlet；7, tower top cooler；8, extraction pump；9, heat exchanger；
10, coalescing separator；11, water phase recycling can；12, oily phase recycling can；13, tower reactor cooler；14, highly concentrated butanol storage container.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Implement below
Example is only used for clearly illustrating the technical solution of the utility model, and cannot be used as a limitation the protection model of limitation the utility model
It encloses.
Embodiment 1
As shown in Figure 1, the utility model is a kind of device for recycling butanol from esterification production waste water, including waste water storage tank
1, Butanol Recycling tower 3, tower reactor cooler 13, tower top cooler 7, first-stage condenser 4, tower buffer tank 6, are adopted secondary condenser 5
Pump 8, feed pump 2 and highly concentrated butanol storage container 14 out；The waste water storage tank 1 passes through feed pump 2 and 3 feed inlet of Butanol Recycling tower
Connection；The Butanol Recycling tower tower 3 pushes up gaseous phase outlet and is connected to first-stage condenser 4,4 gaseous phase outlet of first-stage condenser by pipeline
4.1 connect with secondary condenser 5, and 4 liquid-phase outlet 4.2 of first-stage condenser is connect with tower buffer tank 6；The secondary condenser 5
Liquid-phase outlet 5.1 connect with tower buffer tank 6,6 gaseous phase outlet 6.1 of tower buffer tank is connect with secondary condenser 5；The tower
Top 6 liquid-phase outlet 6.2 of surge tank is connect by extraction pump 8 with 7 entrance of tower top cooler；7 liquid-phase outlet of tower top cooler and height
Dense butanol storage container 14 connects；The tower reactor cooler 13 is connect with Butanol Recycling tower 3.
Embodiment 2
As shown in Fig. 2, the utility model is a kind of device for recycling butanol from esterification production waste water, including waste water storage tank
1, Butanol Recycling tower 3, tower reactor cooler 13, tower top cooler 7, first-stage condenser 4, tower buffer tank 6, are adopted secondary condenser 5
Pump 8, feed pump 2 and highly concentrated butanol storage container 14 out；The waste water storage tank 1 passes through feed pump 2 and 3 feed inlet of Butanol Recycling tower
Connection；The Butanol Recycling tower tower 3 pushes up gaseous phase outlet and is connected to first-stage condenser 4,4 gaseous phase outlet of first-stage condenser by pipeline
4.1 connect with secondary condenser 5, and 4 liquid-phase outlet 4.2 of first-stage condenser is connect with tower buffer tank 6；The secondary condenser 5
Liquid-phase outlet 5.1 connect with tower buffer tank 6,6 gaseous phase outlet 6.1 of tower buffer tank is connect with secondary condenser 5；The tower
Top 6 liquid-phase outlet 6.2 of surge tank is connect by extraction pump 8 with 7 entrance of tower top cooler；7 liquid-phase outlet of tower top cooler and height
Dense butanol storage container 14 connects；The tower reactor cooler 13 is connect with Butanol Recycling tower 3.The waste water storage tank 1 is returned with butanol
Receive and be additionally provided with heat exchanger 9 between tower 3,3 top gaseous phase of the Butanol Recycling tower outlet connect by pipeline with heat exchanger 9 after again with
First-stage condenser 4 connects；The waste water storage tank 1 is connect with 3 feed inlet of Butanol Recycling tower again after connecting with heat exchanger 9.
Embodiment 3
As shown in figure 3, the utility model is a kind of device for recycling butanol from esterification production waste water, including waste water storage tank
1, Butanol Recycling tower 3, tower reactor cooler 13, tower top cooler 7, first-stage condenser 4, tower buffer tank 6, are adopted secondary condenser 5
Pump 8, feed pump 2 and highly concentrated butanol storage container 14 out；The waste water storage tank 1 passes through feed pump 2 and 3 feed inlet of Butanol Recycling tower
Connection；The Butanol Recycling tower tower 3 pushes up gaseous phase outlet and is connected to first-stage condenser 4,4 gaseous phase outlet of first-stage condenser by pipeline
4.1 connect with secondary condenser 5, and 4 liquid-phase outlet 4.2 of first-stage condenser is connect with tower buffer tank 6；The secondary condenser 5
Liquid-phase outlet 5.1 connect with tower buffer tank 6,6 gaseous phase outlet 6.1 of tower buffer tank is connect with secondary condenser 5；The tower
Top 6 liquid-phase outlet 6.2 of surge tank is connect by extraction pump 8 with 7 entrance of tower top cooler；7 liquid-phase outlet of tower top cooler and height
Dense butanol storage container 14 connects；The tower reactor cooler 13 is connect with Butanol Recycling tower 3.The waste water storage tank 1 is returned with butanol
Receive and be additionally provided with heat exchanger 9 between tower 3,3 top gaseous phase of the Butanol Recycling tower outlet connect by pipeline with heat exchanger 9 after again with
First-stage condenser 4 connects；The waste water storage tank 1 is connect with 3 feed inlet of Butanol Recycling tower again after connecting with heat exchanger 9.The tower
A separator 10 is additionally provided between top cooler 7 and highly concentrated butanol storage container 14, the separator 10 is exported including water phase
It is mutually exported with oil；The water phase outlet is connect with water phase recycling can 11, and the outlet of water phase recycling can 11 is connect with waste water storage tank 1；Institute
It states oily mutually outlet to connect with oily phase recycling can 12, oily phase recycling can 12 is connect with highly concentrated butanol storage container 14.The separator
10 be coalescing separator.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change
It also should be regarded as the protection scope of the utility model into retouching.
Claims (7)
1. it is a kind of from esterification production waste water in recycle butanol device, which is characterized in that including waste water storage tank, Butanol Recycling tower,
Tower reactor cooler, tower top cooler, first-stage condenser, secondary condenser, tower buffer tank, extraction pump, feed pump and highly concentrated fourth
Alcohol storage container；The waste water storage tank is connect by feed pump with Butanol Recycling tower feed inlet；The Butanol Recycling column overhead gas
Mutually outlet is connected to first-stage condenser by pipeline, and first-stage condenser gaseous phase outlet is connect with secondary condenser, first-stage condenser
Liquid-phase outlet is connect with tower buffer tank；The liquid-phase outlet of the secondary condenser is connect with tower buffer tank, tower buffer tank
Gaseous phase outlet is connect with secondary condenser；The tower buffer tank liquid-phase outlet is connected by extraction pump with tower top cooler entrance
It connects；Tower top cooler liquid-phase outlet is connect with highly concentrated butanol storage container；The tower reactor cooler is connect with Butanol Recycling tower.
2. the device according to claim 1 for recycling butanol from esterification production waste water, which is characterized in that the waste water storage
Heat exchanger is additionally provided between slot and Butanol Recycling tower, the Butanol Recycling column overhead gaseous phase outlet is connect by pipeline with heat exchanger
It is connect again with first-stage condenser afterwards；The waste water storage tank is connect with Butanol Recycling tower feed inlet again after connecting with heat exchanger.
3. the device according to claim 1 or 2 for recycling butanol from esterification production waste water, which is characterized in that the tower
A separator is additionally provided between top cooler and highly concentrated butanol storage container, the separator includes that water phase outlet mutually goes out with oil
Mouthful；The water phase outlet is connect with water phase recycling can, and the outlet of water phase recycling can is connect with waste water storage tank；The oil mutually exports and oil
The connection of phase recycling can, oily phase recycling can are connect with highly concentrated butanol storage container.
4. the device according to claim 3 for recycling butanol from esterification production waste water, which is characterized in that the separator
It is coalescing separator or decanter.
5. the device according to claim 1 for recycling butanol from esterification production waste water, which is characterized in that described from esterification
The device that butanol is recycled in production waste water further includes reboiler and tower reactor extraction pump, Butanol Recycling tower materials at bottom of tower outlet with
The tube side outlet of the connection of reboiler tube-side inlet, reboiler divides two-way, connect all the way in the middle part of Butanol Recycling tower, in addition a-road-through
Tower reactor extraction pump is crossed to connect with the tower reactor cooler of Butanol Recycling tower；Valve is additionally provided between the reboiler and tower reactor extraction pump
Door.
6. the device according to claim 1 for recycling butanol from esterification production waste water, which is characterized in that the extraction pump
Outlet divide two-way, connect all the way with tower top cooler, in addition all the way with tower buffer tank Hui Lian.
7. the device of butanol according to claim 1, is recycled described in 2,4,5,6 any one from esterification production waste water, it is special
Sign is that the Butanol Recycling tower is column plate rectifying column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820621548.1U CN208430058U (en) | 2018-04-27 | 2018-04-27 | A kind of device recycling butanol from esterification production waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820621548.1U CN208430058U (en) | 2018-04-27 | 2018-04-27 | A kind of device recycling butanol from esterification production waste water |
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| Publication Number | Publication Date |
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| CN208430058U true CN208430058U (en) | 2019-01-25 |
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| CN201820621548.1U Active CN208430058U (en) | 2018-04-27 | 2018-04-27 | A kind of device recycling butanol from esterification production waste water |
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| Country | Link |
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| CN (1) | CN208430058U (en) |
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- 2018-04-27 CN CN201820621548.1U patent/CN208430058U/en active Active
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