CN202237313U - Device for recovering furfural from aldehyde mud - Google Patents
Device for recovering furfural from aldehyde mud Download PDFInfo
- Publication number
- CN202237313U CN202237313U CN2011203737350U CN201120373735U CN202237313U CN 202237313 U CN202237313 U CN 202237313U CN 2011203737350 U CN2011203737350 U CN 2011203737350U CN 201120373735 U CN201120373735 U CN 201120373735U CN 202237313 U CN202237313 U CN 202237313U
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- CN
- China
- Prior art keywords
- tower
- aldehyde
- comprehensive
- valve plate
- pipeline
- 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.)
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- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 150000001299 aldehydes Chemical class 0.000 title claims abstract description 65
- 238000001704 evaporation Methods 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000010992 reflux Methods 0.000 claims abstract description 18
- 241000282326 Felis catus Species 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000008020 evaporation Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model relates to furfural production equipment, in particular to a device for recovering furfural from aldehyde mud. The device comprises a comprehensive recovering tower, a condenser, a knockout, a water aldehyde tank, a flow meter and a storage cylinder, wherein the top end of the comprehensive recovering tower is connected with the condenser through a pipeline; the condenser is connected with the top of the knockout through a pipeline; the bottom of the knockout is connected with the storage cylinder through a pipeline; the side face of the knockout is connected with the flow meter and the water aldehyde tank through a three-way pipe; the flow meter is connected with a reflux port on the top of the comprehensive recovering tower through a pipeline; the bottom of the water aldehyde tank is connected with the bottom of the comprehensive recovering tower through a pipeline; the comprehensive recovering tower comprises an evaporating kettle, a reducing section, a plurality of tower sections and a tower cap; the evaporation kettle and the reducing section, the reducing section and the tower sections, tower sections, the tower sections and the tower cap are connected together through flanges; at least one layer of sieve plate tower plate which is vertical to the side wall of each tower section is arranged inside the tower section; a plurality of sieve holes are distributed on each sieve plate tower plate; one side of each sieve plate tower plate is provided with an overflow hole; the other side of the sieve plate tower plate on a lower layer is provided with the same overflow hole; a vertical overflow weir is formed upwardly on each overflow hole; and each overflow hole is downwardly connected with a down spout.
Description
Technical field
The utility model relates to the furfural production equipment, relates in particular to a kind of device that reclaims furfural in the aldehyde mud.
Background technology
During current China furfural was produced, furfural refining adopted continuous treating or process for refining intermittently mostly.In Furfural Treating Process, can form a large amount of aldehyde mud, production is caused certain influence.Especially the bad control of aldehyde mud discharge capacity in the continuous rectificating technique; The furfural that aldehyde mud discharge capacity is greatly then taken away is too many, and aldehyde mud discharge capacity is little then to cause the bad discharging of aldehyde mud.Aldehyde mud is taken away the furfural total amount and is accounted for 1～1.5% of furfural output in the furfural production, and the furfural in the aldehyde mud of discharging is not easy to reclaim with existing furfural production equipment, generally is used as fuel and uses, and has caused the serious waste of resource.
Summary of the invention
The utility model technical problem to be solved is, to the deficiency of prior art a kind of technical scheme that reclaims the device of furfural in the aldehyde mud is provided, and this scheme can reclaim the furfural of being taken away in the aldehyde mud, reaches the purpose that improves furfural yield.
The technical scheme of the utility model is such; A kind of device that reclaims furfural in the aldehyde mud; It comprises comprehensive recover tower, condenser, knockout, water aldehyde jar, flowmeter and storage cylinder, and the top of said comprehensive recover tower links to each other with condenser through pipeline, and condenser links to each other with the knockout top through pipeline; The knockout bottom links to each other with storage cylinder through pipeline; The knockout side links to each other with water aldehyde jar with flowmeter respectively through three-way pipe, and flowmeter links to each other with the refluxing opening at comprehensive recover tower top through pipeline, and water aldehyde pot bottom links to each other with the bottom of comprehensive recover tower through pipeline; Said comprehensive recover tower has evaporating kettle, reducing joint, several towers joint and tower caps, between said evaporating kettle and reducing joint, reducing joint and tower joint, the tower joint, Ta Jie and tower cap all link together through flange; Each tower joint is inner to be provided with 1 layer at least and to save the vertical sieve plate column plate of sidewall with tower; Be distributed with some sieve apertures on the sieve plate column plate; The opposite side that said sieve plate column plate one side is provided with spout hole, its lower floor's sieve plate column plate is provided with same spout hole; The spout hole place upwards has vertical downflow weir, and spout hole links to each other with downspout downwards; Tower crown end is provided with and distillates mouth, and the comprehensive recover tower top is provided with refluxing opening, and evaporating kettle top is provided with charging aperture and refluxing opening II, bottom are provided with slag-drip opening, is provided with steam heater in the evaporating kettle, and steam heater has steam inlet and steam (vapor) outlet.
The spout hole that said sieve plate column plate one side is provided with is an arcuate apertures.
The steam heater that is provided with in the said evaporating kettle is a coil heater.
The cat head of said comprehensive recover tower is provided with Pressure gauge and thermometer, and said reducing joint is provided with Pressure gauge II and thermometer II.
The diameter of said tower joint is 260～360mm; The sieve-plate tower distance between plates is 200～350mm; The sieve plate number of plates is 12～20, and height of weir plate is 1/10～1/8 of a sieve-plate tower distance between plates, and the downspout height is 13/15～14/15 of a sieve-plate tower distance between plates; Sieve diameter is 5～8mm, and percent opening is 5.0%～6.0%.
The diameter of said tower joint is 360mm, and the valve plate spacing is 350mm, and the valve plate number is 20, and height of weir plate is 1/8 of a valve plate spacing, and the downspout height is 14/15 of a valve plate spacing, and the valve opening diameter is 8mm, and percent opening is 6.0%.
Condenser in the utility model, knockout, water aldehyde jar, flowmeter and storage cylinder are existing equipment.
A kind of device that reclaims furfural in the aldehyde mud of the utility model; Be adopted as tower reclaimer; In comprehensive recover tower, add entry aldehyde with the dissolving of the furfural in the aldehyde mud, utilize the characteristics of aldehyde water azeotropic again, with exchanging through backflow and column plate after the aldehyde mud boiling dissolving; Furfural in the aldehyde mud distills and obtains thick aldehyde the most at last, realizes the recovery of furfural in the aldehyde mud.
The beneficial effect of this programme is; The utility model is simple in structure, small investment, simple to operate, operating cost is low; The utility model can reclaim in the aldehyde mud 90～95% furfural; Furfural yield improves 1～1.5% when both making furfural treatment, reduces the pollution to environment of black smoke that aldehyde mud emits when fuel again.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the structural representation of comprehensive recover tower.
Fig. 3 is the schematic top plan view of sieve plate column plate.
Wherein: 1-comprehensive recover tower, 2-flowmeter, 3-refluxing opening, 4-condenser, 5-three-way pipe, 6-knockout; 7-refluxing opening II, 8-water aldehyde jar, 9-storage cylinder, 10-Pressure gauge, 11-tower cap, 12-flange; 13-tower joint, 14-downflow weir, 15-downspout, 16-reducing joint, 17-Pressure gauge II, 18-steam inlet; 19-slag-drip opening, 20-steam (vapor) outlet, 21-thermometer II, 22-spout hole, 23-sieve plate column plate, 24-thermometer; 25-distillate mouth, 26-sieve aperture, 27-steam heater, 28-charging aperture, 29-evaporating kettle.
The specific embodiment
Further specify below in conjunction with the concrete structure and the principle of accompanying drawing the utility model.
Embodiment 1
As shown in the figure; A kind of device that reclaims furfural in the aldehyde mud; It comprises comprehensive recover tower 1, condenser 4, knockout 6, water aldehyde jar 8, flowmeter 2 and storage cylinder 9, and the top of said comprehensive recover tower 1 links to each other with condenser 4 through pipeline, and condenser 4 links to each other with knockout 6 tops through pipeline; Knockout 6 bottoms link to each other with storage cylinder 9 through pipeline; Knockout 6 sides link to each other with water aldehyde jar 8 with flowmeter 2 respectively through three-way pipe 5, and flowmeter 2 links to each other with the refluxing opening 3 at comprehensive recover tower 1 top through pipeline, and water aldehyde jar 8 bottoms link to each other with the bottom of comprehensive recover tower 1 through pipeline; Said comprehensive recover tower 1 has evaporating kettle 29, reducing joint 16, several towers joint 13 and tower caps 11, between said evaporating kettle 29 and reducing joint 16, reducing joint 16 and Ta Jie 13, the tower joint 13, tower joint 13 all links together through flange 12 with tower cap 11; Each tower saves 13 inside and is provided with 1 layer at least and saves the vertical sieve plate column plate 23 of 13 sidewalls with tower; Be distributed with some sieve apertures 26 on the sieve plate column plate 23; The opposite side that said sieve plate column plate 23 1 sides are provided with spout hole 22, its lower floor's sieve plate column plate 23 is provided with same spout hole 22; Spout hole 22 places upwards have vertical downflow weir 14, and spout hole 22 links to each other with downspout 15 downwards; Tower cap 11 tops are provided with and distillate mouth 25; Comprehensive recover tower 1 top is provided with refluxing opening 3; Evaporating kettle 29 tops are provided with charging aperture 28 and are provided with slag-drip opening 19 with refluxing opening II 7, bottom, are provided with steam heater 27 in the evaporating kettle 29, and steam heater 27 has steam inlet 18 and steam (vapor) outlet 20; The spout hole 22 that said sieve plate column plate 23 1 sides are provided with is arcuate apertures; The steam heater 27 that is provided with in the said evaporating kettle 29 is coil heater; The cat head of said comprehensive recover tower 1 is provided with Pressure gauge 10 and thermometer 24, and said reducing joint 16 is provided with Pressure gauge II 17 and thermometer II 21; The diameter of said tower joint 13 is 260～360mm, and sieve plate column plate 23 spacings are 200mm, and sieve plate column plate 23 numbers are 12; Downflow weir 14 highly is 1/10 of sieve plate column plate 23 spacings; Downspout 15 highly is 13/15 of sieve plate column plate 23 spacings, and sieve aperture 26 diameters are 5mm, and percent opening is 5.0%.
As shown in the figure; A kind of device that reclaims furfural in the aldehyde mud; It comprises comprehensive recover tower 1, condenser 4, knockout 6, water aldehyde jar 8, flowmeter 2 and storage cylinder 9, and the top of said comprehensive recover tower 1 links to each other with condenser 4 through pipeline, and condenser 4 links to each other with knockout 6 tops through pipeline; Knockout 6 bottoms link to each other with storage cylinder 9 through pipeline; Knockout 6 sides link to each other with water aldehyde jar 8 with flowmeter 2 respectively through three-way pipe 5, and flowmeter 2 links to each other with the refluxing opening 3 at comprehensive recover tower 1 top through pipeline, and water aldehyde jar 8 bottoms link to each other with the bottom of comprehensive recover tower 1 through pipeline; Said comprehensive recover tower 1 has evaporating kettle 29, reducing joint 16, several towers joint 13 and tower caps 11, between said evaporating kettle 29 and reducing joint 16, reducing joint 16 and Ta Jie 13, the tower joint 13, tower joint 13 all links together through flange 12 with tower cap 11; Each tower saves 13 inside and is provided with 1 layer at least and saves the vertical sieve plate column plate 23 of 13 sidewalls with tower; Be distributed with some sieve apertures 26 on the sieve plate column plate 23; The opposite side that said sieve plate column plate 23 1 sides are provided with spout hole 22, its lower floor's sieve plate column plate 23 is provided with same spout hole 22; Spout hole 22 places upwards have vertical downflow weir 14, and spout hole 22 links to each other with downspout 15 downwards; Tower cap 11 tops are provided with and distillate mouth 25; Comprehensive recover tower 1 top is provided with refluxing opening 3; Evaporating kettle 29 tops are provided with charging aperture 28 and are provided with slag-drip opening 19 with refluxing opening II 7, bottom, are provided with steam heater 27 in the evaporating kettle 29, and steam heater 27 has steam inlet 18 and steam (vapor) outlet 20; The spout hole 22 that said sieve plate column plate 23 1 sides are provided with is arcuate apertures; The steam heater 27 that is provided with in the said evaporating kettle 29 is coil heater; The cat head of said comprehensive recover tower 1 is provided with Pressure gauge 10 and thermometer 24, and said reducing joint 16 is provided with Pressure gauge II 17 and thermometer II 21; The diameter of said tower joint 13 is 260～360mm, and sieve plate column plate 23 spacings are 350mm, and sieve plate column plate 23 numbers are 20; Downflow weir 14 highly is 1/8 of sieve plate column plate 23 spacings; Downspout 15 highly is 14/15 of sieve plate column plate 23 spacings, and sieve aperture 26 diameters are 8mm, and percent opening is 6.0%.
The utility model is what to accomplish the recovery of furfural in the aldehyde mud like this: earlier with aldehyde mud through in the charging aperture 28 input evaporating kettles 29; And then through expecting that mouth 28 adds entry aldehyde solution in evaporating kettle 29; The volume ratio of aldehyde mud and water aldehyde is 1:4～1:5, makes 2/3 place of the liquid level of the mixed liquor that aldehyde mud and water aldehyde forms at evaporating kettle 29; Carry vapours that evaporating kettle 29 is heated through steam inlet 18 to steam heater 27; Make the temperature of evaporating kettle 29 control 102～104 ℃; 98～99 ℃ of comprehensive recover tower 1 tower top temperature controls, pressure 0.1kg/cm2 reaches aldehyde water azeotropic and begins furfural is reclaimed in the evaporating kettle 29; Aldehyde water mixed vapour cools off from distillating mouthful 25 entering condensers 4; Form liquid back and get into knockout 6; The less water aldehyde mixing material of proportion is back in the comprehensive recover tower 1 by refluxing opening 3 from knockout 6 side pipeline parts, control reflux ratio 1:0.5, and another part flow in the water aldehyde jar 8; Water aldehyde in the water aldehyde jar 8 get into evaporating kettles 29 via refluxing opening II 7, and the bigger thick aldehyde solution of proportion is in knockout 6 bottoms flow into storage cylinder 9; When tower top temperature surpassed 100 ℃, furfural reclaimed and finishes, and stops heating, emits aldehyde mud through slag-drip opening 19.The utility model can reclaim in the aldehyde mud 90～95% furfural, and furfural yield improves 1～1.5% when both making furfural treatment, and this device is to all practical with the producer of intermittently making with extra care to continuous rectification.
Claims (6)
1. device that reclaims furfural in the aldehyde mud; It is characterized in that; It comprises comprehensive recover tower, condenser, knockout, water aldehyde jar, flowmeter and storage cylinder, and the top of said comprehensive recover tower links to each other with condenser through pipeline, and condenser links to each other with the knockout top through pipeline; The knockout bottom links to each other with storage cylinder through pipeline; The knockout side links to each other with water aldehyde jar with flowmeter respectively through three-way pipe, and flowmeter links to each other with the refluxing opening at comprehensive recover tower top through pipeline, and water aldehyde pot bottom links to each other with the bottom of comprehensive recover tower through pipeline; Said comprehensive recover tower has evaporating kettle, reducing joint, several towers joint and tower caps, between said evaporating kettle and reducing joint, reducing joint and tower joint, the tower joint, Ta Jie and tower cap all link together through flange; Each tower joint is inner to be provided with 1 layer at least and to save the vertical valve plate of sidewall with tower; Be distributed with some valve openings on the valve plate; The opposite side that said valve plate one side is provided with spout hole, its lower floor's valve plate is provided with same spout hole; The spout hole place upwards has vertical downflow weir, and spout hole links to each other with downspout downwards; Tower crown end is provided with and distillates mouth, and the comprehensive recover tower top is provided with refluxing opening, and evaporating kettle top is provided with charging aperture and refluxing opening II, bottom are provided with slag-drip opening, is provided with steam heater in the evaporating kettle, and steam heater has steam inlet and steam (vapor) outlet.
2. a kind of device that reclaims furfural in the aldehyde mud according to claim 1 is characterized in that, the spout hole that said valve plate one side is provided with is an arcuate apertures.
3. a kind of device that reclaims furfural in the aldehyde mud according to claim 1 and 2 is characterized in that the steam heater that is provided with in the said evaporating kettle is a coil heater.
4. a kind of device that reclaims furfural in the aldehyde mud according to claim 1 is characterized in that the cat head of said comprehensive recover tower is provided with Pressure gauge and thermometer, and said reducing joint is provided with Pressure gauge II and thermometer II.
5. a kind of device that reclaims furfural in the aldehyde mud according to claim 1 is characterized in that, the diameter of said tower joint is 260～360mm; The valve plate spacing is 200～350mm; The valve plate number is 12～20, and height of weir plate is 1/10～1/8 of a valve plate spacing, and the downspout height is 13/15～14/15 of a valve plate spacing; The valve opening diameter is 5～8mm, and percent opening is 5.0%～6.0%.
6. a kind of device that reclaims furfural in the aldehyde mud according to claim 5 is characterized in that, the diameter of said tower joint is 360mm; The valve plate spacing is 350mm; The valve plate number is 20, and height of weir plate is 1/8 of a valve plate spacing, and the downspout height is 14/15 of a valve plate spacing; The valve opening diameter is 8mm, and percent opening is 6.0%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203737350U CN202237313U (en) | 2011-09-30 | 2011-09-30 | Device for recovering furfural from aldehyde mud |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203737350U CN202237313U (en) | 2011-09-30 | 2011-09-30 | Device for recovering furfural from aldehyde mud |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202237313U true CN202237313U (en) | 2012-05-30 |
Family
ID=46098618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203737350U Expired - Lifetime CN202237313U (en) | 2011-09-30 | 2011-09-30 | Device for recovering furfural from aldehyde mud |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202237313U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104645656A (en) * | 2015-02-28 | 2015-05-27 | 衡水中科信能源有限公司 | Furfural batch distillation production device and process |
| CN109589638A (en) * | 2019-01-21 | 2019-04-09 | 山西恒宇生物科技有限公司 | A kind of furfural raffinate includes the extraction element and extraction process of aldehyde |
-
2011
- 2011-09-30 CN CN2011203737350U patent/CN202237313U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104645656A (en) * | 2015-02-28 | 2015-05-27 | 衡水中科信能源有限公司 | Furfural batch distillation production device and process |
| CN109589638A (en) * | 2019-01-21 | 2019-04-09 | 山西恒宇生物科技有限公司 | A kind of furfural raffinate includes the extraction element and extraction process of aldehyde |
| CN109589638B (en) * | 2019-01-21 | 2021-07-27 | 山西恒宇生物科技有限公司 | Extraction device and extraction process for aldehyde in furfural residual liquid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Device for recovering furfural from aldehyde mud Effective date of registration: 20130829 Granted publication date: 20120530 Pledgee: Hengfeng bank, Limited by Share Ltd, Binzhou branch Pledgor: Shandong Jinyuan Biological Technology Co., Ltd. Registration number: 2013990000621 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20140916 Granted publication date: 20120530 Pledgee: Hengfeng bank, Limited by Share Ltd, Binzhou branch Pledgor: Shandong Jinyuan Biological Technology Co., Ltd. Registration number: 2013990000621 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Device for recovering furfural from aldehyde mud Effective date of registration: 20140917 Granted publication date: 20120530 Pledgee: Hengfeng bank, Limited by Share Ltd, Binzhou branch Pledgor: Shandong Jinyuan Biological Technology Co., Ltd. Registration number: 2014990000761 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20160608 Granted publication date: 20120530 Pledgee: Hengfeng bank, Limited by Share Ltd, Binzhou branch Pledgor: Shandong Jinyuan Biological Technology Co., Ltd. Registration number: 2014990000761 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Device for recovering furfural from aldehyde mud Effective date of registration: 20160608 Granted publication date: 20120530 Pledgee: Hengfeng bank, Limited by Share Ltd, Binzhou branch Pledgor: Shandong Jinyuan Biological Technology Co., Ltd. Registration number: 2016990000487 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190111 Granted publication date: 20120530 Pledgee: Hengfeng bank, Limited by Share Ltd, Binzhou branch Pledgor: Shandong Jinyuan Biological Technology Co., Ltd. Registration number: 2016990000487 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |