CN207862239U - A kind of furfural extraction unit - Google Patents
A kind of furfural extraction unit Download PDFInfo
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- CN207862239U CN207862239U CN201820054853.7U CN201820054853U CN207862239U CN 207862239 U CN207862239 U CN 207862239U CN 201820054853 U CN201820054853 U CN 201820054853U CN 207862239 U CN207862239 U CN 207862239U
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- aldehyde
- tower
- tank
- cooler
- furfural
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Abstract
The utility model discloses a kind of furfural extraction units,Specially furfural production technical field,A kind of furfural extraction unit,Including original fluid container,The original fluid container is located at primary distillation tower on the right side of original fluid container by bend pipe connection,And primary distillation tower cooler is connected on the right side of primary distillation tower,Connection divides aldehyde tank on the right side of the primary distillation tower cooler,And divides and connect dehydrating tower on the right side of aldehyde tank,The dehydrating tower upper end connection is located at dehydrating tower cooler on the right side of dehydrating tower,And water aldehyde tank is connected on the right side of dehydrating tower cooler,Water aldehyde recycling can is connected below the water aldehyde tank,The dehydrating tower lower end connection is located at the treating column on the right side of water aldehyde tank,And treating column upper end connects treating column cooler,Furfural storage tank is connected on the right side of the treating column cooler,The treating column lower end connects the recycling kettle being disposed below,And connect recovery pond below recycling kettle,Recovery tower is connected on the right side of the recovery pond.The utility model is novel in design, reasonable for structure.
Description
Technical field
The utility model discloses a kind of furfural extraction units, specially furfural production technical field.
Background technology
In the production process of furfural, needs the thick aldehyde that corncob hydrolyzes carrying out refined purification, obtain finished product chaff
Aldehyde.Furfural treatment mostly uses batch purification equipment and is refined in the prior art, is carried out using this batch purification equipment
When furfural treatment, furfural yield is low, is typically only capable to reach 75% or so, and low production efficiency.For this purpose, we have proposed a kind of chaffs
Aldehyde refining plant comes into operation, to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of furfural extraction units, mentioned above in the background art to solve
The low problem of furfural yield.
To achieve the above object, the utility model provides the following technical solutions：A kind of furfural extraction unit, including stoste
Tank, the original fluid container is located at primary distillation tower on the right side of original fluid container by bend pipe connection, and primary distillation tower cooler, institute are connected on the right side of primary distillation tower
It states connection on the right side of primary distillation tower cooler and divides aldehyde tank, and divide and connect dehydrating tower on the right side of aldehyde tank, the dehydrating tower upper end connection is located at de-
Dehydrating tower cooler on the right side of water tower, and water aldehyde tank is connected on the right side of dehydrating tower cooler, connection water aldehyde recycling below the water aldehyde tank
Tank, the dehydrating tower lower end connection is located at the treating column on the right side of water aldehyde tank, and treating column upper end connects treating column cooler, described
Furfural storage tank is connected on the right side for the treatment of column cooler, and finished product delivery outlet, the treating column lower end are connected on the right side of furfural storage tank
The recycling kettle being disposed below is connected, and recycles and connects recovery pond below kettle, recovery tower is connected on the right side of the recovery pond.
Preferably, the residual liquid discharge mouth of the treating column connects lower section by pipeline and recycles kettle feed inlet, the recycling kettle
Go out aldehyde mouth connection finished product delivery outlet, it is described recycling kettle bottom end be equipped with aldehyde mud discharge pipe.
Preferably, described that aldehyde tank upper end is divided to be connect with water aldehyde tank pipeline, it is described that aldehyde tank lower end is divided to pass through bend pipe and dehydrating tower
Connection.
Preferably, the furfural storage tank, recovery pond and water aldehyde recycling can are connect with recovery tower pipeline.
Compared with prior art, the utility model has the beneficial effects that：The utility model is novel in design, reasonable for structure, by
In using a point aldehyde tank is installed before dehydrating tower, has further put forward soon the yield of finished product furfural, used the raffinate for the treatment of column
Floss hole connects recycling kettle feed inlet by pipeline, and residual aldehyde recycling kettle goes out aldehyde mouth connection finished product delivery outlet, kettle is recycled in residual aldehyde
Lower part be equipped with aldehyde mud discharge pipe technical characteristic, enable refined raffinate obtain effectively recycle to improve finished product chaff
The yield of aldehyde.The utility model improves working efficiency, and recoverable is cost-effective.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model.
In figure：1 original fluid container, 2 primary distillation towers, 3 primary distillation tower coolers, 4 points of aldehyde tanks, 5 dehydrating towers, 6 dehydrating tower coolers, 7 water
Aldehyde tank, 8 water aldehyde recycling cans, 9 treating columns, 10 treating column coolers, 11 furfural storage tanks, 12 finished product delivery outlets, 13 recycling kettles, 14
Recovery pond, 15 recovery towers.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 1, the utility model provides a kind of technical solution：A kind of furfural extraction unit, including original fluid container 1, institute
It states original fluid container 1 and 1 right side primary distillation tower 2 of original fluid container, and 2 right side connection primary distillation tower cooler 3 of primary distillation tower, institute is located at by bend pipe connection
It states the 3 right side connection of primary distillation tower cooler and divides aldehyde tank 4, and 4 right side of aldehyde tank is divided to connect dehydrating tower 5,5 upper end connection position of the dehydrating tower
In 5 right side dehydrating tower cooler 6 of dehydrating tower, and 6 right side of dehydrating tower cooler connects water aldehyde tank 7,7 lower section connection of the water aldehyde tank
Water aldehyde recycling can 8, the connection of 5 lower end of the dehydrating tower is located at the treating column 9 on 7 right side of water aldehyde tank, and the connection of 9 upper end for the treatment of column is refined
Tower cooler device 10,10 right side connection furfural storage tank 11 of the treating column cooler, and 11 right side of furfural storage tank connects finished product
Delivery outlet 12,9 lower end of the treating column connect the recycling kettle 13 being disposed below, and recycle 13 lower section of kettle and connect recovery pond 14,
14 right side of the recovery pond connects recovery tower 15.
Wherein, the residual liquid discharge mouth of the treating column 9 connects lower section by pipeline and recycles 13 feed inlet of kettle, the recycling kettle
The 13 aldehyde mouth that goes out connects finished product delivery outlet 12, and the bottom end of the recycling kettle 13 is equipped with aldehyde mud discharge pipe, described to divide aldehyde tank 4 upper end
It is connect with 7 pipeline of water aldehyde tank, described that 4 lower end of aldehyde tank is divided to be connect with dehydrating tower 5 by bend pipe, the furfural storage tank 11, recycling
Pond 14 and water aldehyde recycling can 8 are connect with 15 pipeline of recovery tower.
Operation principle：Dilute aldehyde hydrolyzate enters primary distillation tower 2 by original fluid container 1, and bottom of tower discharge contains high-boiling components waste water, and tower top steams
Vapour is condensate in point aldehyde tank 4 through primary distillation tower cooler 3 and is layered, and the water being layered in aldehyde tank 4 is divided to enter water aldehyde tank 7, divides aldehyde tank 4 tank bottom
Aldehyde enters the dehydration of dehydrating tower 5, and 5 tower top of dehydrating tower deviates from light fraction, dehydration aldehyde is discharged by 5 bottom of tower of dehydrating tower, dehydration aldehyde send refined
Tower 9 is refined, and light fraction enters water aldehyde tank 7 through the condensation of dehydrating tower cooler 6, and recycle-water in recovery tower 15 is removed through water aldehyde recycling can 8
Furfural in aldehyde, dehydration aldehyde generate furfural in treating column 9, furfural storage tank 11 are entered to through treating column cooler 10, refines
The residual liquid discharge mouth of tower 9 connects recycling 13 feed inlet of kettle by pipeline, and recycling kettle 13 goes out aldehyde mouth connection finished product delivery outlet 12,
The bottom end of recycling kettle 13 is connected to recovery pond 14 equipped with aldehyde mud discharge pipe, and aldehyde mud, aldehyde mud are released in 11 bottom of furfural storage tank
Furfural in recycling aldehyde mud is sent into recovery tower 15, and aldehyde mud after the recycling furfural of recovery tower 15 by bottom of tower by being discharged, remaining aldehyde slag
It is back in the hydrolysis kettle in furfural production hydrolyzing process, accomplishes to recycle completely without outer row.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of furfural extraction unit, including original fluid container（1）, it is characterised in that：The original fluid container（1）It is located at by bend pipe connection
Original fluid container（1）Right side primary distillation tower（2）, and primary distillation tower（2）Right side connects primary distillation tower cooler（3）, the primary distillation tower cooler（3）
Right side connection divides aldehyde tank（4）, and divide aldehyde tank（4）Right side connects dehydrating tower（5）, the dehydrating tower（5）Upper end connection is located at dehydration
Tower（5）Right side dehydrating tower cooler（6）, and dehydrating tower cooler（6）Right side connects water aldehyde tank（7）, the water aldehyde tank（7）Lower section
Connect water aldehyde recycling can（8）, the dehydrating tower（5）Lower end connection is located at water aldehyde tank（7）The treating column on right side（9）, and treating column
（9）Upper end connects treating column cooler（10）, the treating column cooler（10）Right side connects furfural storage tank（11）, and furfural
Storage tank（11）Right side connects finished product delivery outlet（12）, the treating column（9）Lower end connects the recycling kettle being disposed below（13）,
And recycling kettle（13）Lower section connects recovery pond（14）, the recovery pond（14）Right side connects recovery tower（15）.
2. a kind of furfural extraction unit according to claim 1, it is characterised in that：The treating column（9）Residual liquid discharge
Mouth passes through pipeline and connects lower section recycling kettle（13）Feed inlet, the recycling kettle（13）Go out aldehyde mouth connection finished product delivery outlet (12),
The recycling kettle（13）Bottom end be equipped with aldehyde mud discharge pipe.
3. a kind of furfural extraction unit according to claim 1, it is characterised in that：Described point of aldehyde tank（4）Upper end and water aldehyde
Tank（7）Pipeline connects, described to divide aldehyde tank（4）Lower end passes through bend pipe and dehydrating tower（5）Connection.
4. a kind of furfural extraction unit according to claim 1, it is characterised in that：The furfural storage tank（11）, recycling
Pond（14）With water aldehyde recycling can（8）And recovery tower（15）Pipeline connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820054853.7U CN207862239U (en) | 2018-01-14 | 2018-01-14 | A kind of furfural extraction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820054853.7U CN207862239U (en) | 2018-01-14 | 2018-01-14 | A kind of furfural extraction unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207862239U true CN207862239U (en) | 2018-09-14 |
Family
ID=63461542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820054853.7U Active CN207862239U (en) | 2018-01-14 | 2018-01-14 | A kind of furfural extraction unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207862239U (en) |
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2018
- 2018-01-14 CN CN201820054853.7U patent/CN207862239U/en active Active
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