CN204454941U - The device of by product acetone is removed in a kind of Virahol production process - Google Patents
The device of by product acetone is removed in a kind of Virahol production process Download PDFInfo
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- CN204454941U CN204454941U CN201420769101.0U CN201420769101U CN204454941U CN 204454941 U CN204454941 U CN 204454941U CN 201420769101 U CN201420769101 U CN 201420769101U CN 204454941 U CN204454941 U CN 204454941U
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- Prior art keywords
- tower
- acetone
- water distributing
- virahol
- production process
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- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 title claims abstract description 224
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 title claims abstract description 119
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 51
- 239000006227 byproduct Substances 0.000 title claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 117
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 66
- 230000018044 dehydration Effects 0.000 claims abstract description 63
- 239000003795 chemical substances by application Substances 0.000 abstract description 40
- 238000000034 method Methods 0.000 abstract description 24
- 238000011084 recovery Methods 0.000 abstract description 10
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 16
- 239000000203 mixture Substances 0.000 description 13
- 239000012141 concentrate Substances 0.000 description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 9
- 230000036571 hydration Effects 0.000 description 9
- 238000006703 hydration reaction Methods 0.000 description 9
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 6
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 6
- 239000012071 phase Substances 0.000 description 5
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 150000002576 ketones Chemical class 0.000 description 3
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- IVNFTPCOZIGNAE-UHFFFAOYSA-N propan-2-yl hydrogen sulfate Chemical compound CC(C)OS(O)(=O)=O IVNFTPCOZIGNAE-UHFFFAOYSA-N 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- 238000010533 azeotropic distillation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- RWGFKTVRMDUZSP-UHFFFAOYSA-N cumene Chemical group CC(C)C1=CC=CC=C1 RWGFKTVRMDUZSP-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 150000003016 phosphoric acids Chemical class 0.000 description 1
- XTUSEBKMEQERQV-UHFFFAOYSA-N propan-2-ol;hydrate Chemical compound O.CC(C)O XTUSEBKMEQERQV-UHFFFAOYSA-N 0.000 description 1
- WHFQAROQMWLMEY-UHFFFAOYSA-N propylene dimer Chemical compound CC=C.CC=C WHFQAROQMWLMEY-UHFFFAOYSA-N 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
Abstract
The utility model discloses the process unit removing acetone in a kind of Virahol production process, and this device comprises concentration tower, dehydration tower, water distributing can, de-acetone tower.Described concentration tower is connected with described dehydration tower; Described dehydration tower is connected with described water distributing can, described water distributing can outlet at bottom is connected with described de-acetone tower and described concentration tower by flow control valve, described water distributing can outlet at bottom is connected with in the middle part of de-acetone tower through de-ketone tower feeding line by flow control valve again, and described water distributing can outlet at bottom is connected with in the middle part of described concentration tower through water distributing can water layer circular route by flow control valve again.Be connected with concentration tower bottom water distributing can, dewatering agent recovery tower can be saved, bottom water distributing can, be connected the acetone that can remove Virahol by-product with de-acetone.This novel beneficial effect is: simplify Virahol separation process, can remove the acetone in Virahol and not contain isopropyl alcohol and water.This component deviates from rear complete recycling, reaches the object reducing energy consumption, avoid pollution.
Description
Technical field
The utility model relates to petrochemical industry, particularly relates to the device that a kind of rectification method removes by product acetone in Virahol production process.
Background technology
The production method mainly propylene hydration method of Virahol, production technique is divided into propylene indirect hydration and propylene direct hydration two kinds.Propylene direct hydration method is the main method of current industrial production Virahol, the method can be divided into again gas phase hydration method, liquid phase water legal gentle-liquid mixed phase hydration method.Gas phase hydration method ties up the Wei Bafa of Bagong department exploitation for representative with Germany; Liquid phase water legal with day Bender Shan Caoda company solution catalyzing method for representative; Solution-air mixed phase hydration method with Texaco of the U.S. Germany branch office (Deutche Texaco) ion-exchange-resin process for representative.Propylene indirect hydration method is that propylene and sulfuric acid reaction generate sulfuric acid isopropyl ester, and the hydrolysis of sulfuric acid isopropyl ester generates Virahol, and this Fa You U.S. is in employing.Wei Bafa Virahol accounts for critical role.
Wei Bafa produces a small amount of acetone of Virahol by-product, and in thick Virahol, content is 100-400ug/g.The separation process of Wei Bafa is (Hydrocarbon Processing, 1979,48 (11), 196; Chemical encyclopedia, the 1st volume, p876; US4,351,970): thick Virahol removes isopropyl ether through the de-ether column overhead of top water filling and is dissolved in the propylene dimer of thick alcohol, and de-ether tower material enters concentration tower, and concentrate is almost total reflux operation, and acetone is in the enrichment of concentrate tower top.Acetone is enriched to finite concentration and removes through de-acetone column overhead, and composition is roughly containing acetone 75%, and containing Virahol 15%, moisture 10% (US4,351,970), only have fuel value.90# alcohol (isopropanol-water azeotropic composition) is from concentration tower side take-off.The phosphoric acid salt of water and neutralization reaction generation is discharged at the bottom of concentration tower tower.90# alcohol enters dehydration tower.Dehydration tower is azeotropy rectification column, and conventional dewatering agent is benzene, isopropyl ether, hexanaphthene and normal hexane.Anhydrous isopropyl alcohol is from extraction at the bottom of dehydration tower, and the layering in water distributing can of tower top material, oil reservoir (dewatering agent is main) is back to dehydration tower, and water layer enters recovery tower, and discharge water at the bottom of tower, recovered overhead dewatering agent returns water distributing can directly can enter dehydration tower.Because 90# is from side take-off, still containing finite concentration acetone, dehydration tower system still can enrichment.Need periodic exhaustion, naturally volatilization or circulation to maintain balance.Conventional Wei Bafa Virahol tripping device is connected with de-acetone tower by concentrate tower top; Concentration tower side line is connected with dehydration tower; Be connected with dewatering agent recovery tower bottom water distributing can, at the bottom of tower, remove superfluous water, recovered overhead dewatering agent and Virahol.Concentration tower top and de-acetone tower mode of connection, the moisture and Virahol of the acetone removed, existing defects.
Production By Sulfuric Acid Process Virahol also produces a small amount of acetone, and US2481211A proposes in 90# alcohol, add a small amount of dewatering agent (isopropyl ether), adopts azeotropic principles at removed overhead acetone, obtains not containing the 90# alcohol of acetone, then dewater by azeotropic distillation principle at the bottom of tower.Conventional sulfuric acid process takes off acetone device, adds azeotropy rectification column, establish dewatering agent recovery tower after dehydration tower between concentration tower and dehydration tower.Superfluous water is removed, recovered overhead dewatering agent and Virahol at the bottom of tower.
Since nearly 30 years, due to the restriction by equipment, each state does not all have the device of newly-built Production By Sulfuric Acid Process Virahol again.And conventional sulfuric acid process takes off acetone device, when acetone content is very high, applicable economy is all fine, but is not suitable for deviating from of trace acetone.
Utility model content
The utility model proposes the device that a kind of Virahol production process removes by product acetone, the problem of the moisture and Virahol of the acetone that the device removing by product acetone to solve prior art removes.
For achieving the above object, the utility model proposes the device that a kind of Virahol production process removes by product acetone, comprise concentration tower, dehydration tower, water distributing can, de-acetone tower, described concentration tower is connected with described dehydration tower; Described dehydration tower is connected with described water distributing can, and described water distributing can outlet at bottom is connected with described de-acetone tower and described concentration tower by flow control valve.
Described Virahol production process removes in the device of by product acetone, and described water distributing can outlet at bottom is connected with in the middle part of de-acetone tower through de-ketone tower feeding line by flow control valve again.
Described Virahol production process removes in the device of by product acetone, and described water distributing can outlet at bottom is connected with in the middle part of described concentration tower through water distributing can water layer circular route by flow control valve again.
Described Virahol production process removes in the device of by product acetone, and the pipeline connecting described concentration tower and de-acetone tower arranges flow control valve.
Described Virahol production process removes in the device of by product acetone, and described concentration tower top exit is connected with in the middle part of described dehydration tower by dehydration tower feeding line.
Described Virahol production process removes in the device of by product acetone, and described dehydration tower top exit ejects stockline by described dehydration tower and is connected with described water distributing can top.
Described Virahol production process removes in the device of by product acetone, and described water distributing can centre exit returns dehydration tower line by water distributing can oil reservoir and is connected with described dehydration tower top.
Described Virahol production process removes in the device of by product acetone, is connected after described de-acetone tower bottom outlet is merged by circular route at the bottom of de-ketone tower and described water distributing can bottom aqueous layer circular route by concentration tower recycle feed line with described concentration tower.
Described Virahol production process removes in the device of by product acetone, and described concentration tower feeding line is connected with in the middle part of described concentration tower.
Described Virahol production process removes in the device of by product acetone, and described de-acetone tower is rectifying tower, is provided with column plate in described de-acetone tower, and feed entrance point is at tower bottom about 1/3 place.
Conventional Virahol tripping device, water layer material, through dewatering agent recovery tower, removes superfluous water at the bottom of tower, recovered overhead dewatering agent and Virahol.The utility model eliminates dewatering agent recovery tower, is connected bottom water distributing can with concentration tower, and water layer material returns the object that concentration tower achieves dehydration equally and reclaims dewatering agent and Virahol.Conventional Virahol tripping device takes off acetone tower and is connected with concentrate tower top, the moisture and Virahol of the acetone removed.In the utility model, de-acetone tower is connected with water distributing can water layer, and the acetone removed containing isopropyl alcohol and water, containing a small amount of dewatering agent, is not desirable stop bracket gasoline harmonic component.
Be connected with de-acetone tower and concentration tower bottom the utility model water distributing can.The pipeline connecting concentration tower and de-acetone tower arranges flow control valve, adjustable enter de-acetone tower and return the ratio of concentrate tower top.
The Virahol production process that the utility model proposes removes the device of by product acetone, thick Virahol concentrate is consisted of to azeotropic, get rid of the water in thick Virahol at the bottom of tower concentration tower.The principle utilizing dewatering agent and water and Virahol to form ternary azeotropic by dehydration tower is dewatered, anhydrous isopropyl alcohol is obtained at the bottom of tower, be divided into two-layer after the condensation of tower top material in water distributing can, upper strata is the oil reservoir that density is lighter, based on dewatering agent, loop back dehydration tower, maintain dewatering agent and form slightly larger than ternary azeotropic.The lower floor of water distributing can is water layer, containing water, Virahol and a small amount of dewatering agent and by product acetone.
The device that the Virahol production process that the utility model proposes removes by product acetone adopts rectification method to remove by product acetone in Virahol production process, this component deviates from rear complete recycling, reaches the object reducing Virahol plant energy consumption, avoid acetone volatilization atmosphere pollution, energy-conserving and environment-protective.
Accompanying drawing explanation
Fig. 1 is the device schematic diagram that the utility model Virahol production process removes by product acetone.
Wherein: Reference numeral:
1-concentration tower feeding line
2-concentration tower
3-dehydration tower feeding line
4-dehydration tower
5-dehydration tower ejects stockline
6-water cooler
7-water distributing can
8-water distributing can oil reservoir returns dehydration tower line
9-flow control valve
10-water distributing can water layer circular route
11-takes off ketone tower feeding line
12-takes off acetone tower
13-takes off acetone column overhead and goes out stockline
14-takes off circular route at the bottom of ketone tower
15-concentration tower recycle feed line
Embodiment
The utility model proposes the device removing acetone in a kind of Virahol production process, adopt rectification method to remove by product acetone in Virahol production process.
The utility model provides in a kind of Virahol production process and removes acetone device and comprise concentration tower, dehydration tower, water distributing can, de-acetone tower, and described concentration tower is connected with described dehydration tower; Described dehydration tower is connected with described water distributing can, and described water distributing can outlet at bottom is connected with described de-acetone tower and described concentration tower by flow control valve.
Described Virahol production process removes in the device of by product acetone, and described water distributing can outlet at bottom is connected with in the middle part of de-acetone tower through de-ketone tower feeding line by flow control valve again.
Described Virahol production process removes in the device of by product acetone, and described water distributing can outlet at bottom is connected with in the middle part of described concentration tower through water distributing can water layer circular route by flow control valve again.
Described Virahol production process removes in the device of by product acetone, and the pipeline connecting described concentration tower and de-acetone tower arranges flow control valve.
Described Virahol production process removes in the device of by product acetone, and described concentration tower top exit is connected with in the middle part of described dehydration tower by dehydration tower feeding line.
Described Virahol production process removes in the device of by product acetone, and described dehydration tower top exit ejects stockline by described dehydration tower and is connected with described water distributing can top.
Described Virahol production process removes in the device of by product acetone, and described water distributing can centre exit returns dehydration tower line by water distributing can oil reservoir and is connected with described dehydration tower top.
Described Virahol production process removes in the device of by product acetone, is connected after described de-acetone tower bottom outlet is merged by circular route at the bottom of de-ketone tower and described water distributing can bottom aqueous layer circular route by concentration tower recycle feed line with described concentration tower.
Described Virahol production process removes in the device of by product acetone, and described concentration tower feeding line is connected with in the middle part of described concentration tower.
Described Virahol production process removes in the device of by product acetone, and described de-acetone tower is rectifying tower, is provided with column plate in described de-acetone tower, and feed entrance point is at tower bottom about 1/3 place.
In above-mentioned device of the present utility model, the effect of concentration tower is formed to azeotropic thick Virahol concentrate, gets rid of the water in thick Virahol at the bottom of tower.The effect of dehydration tower is that the principle utilizing dewatering agent and water and Virahol to form ternary azeotropic is dewatered, anhydrous isopropyl alcohol is obtained at the bottom of tower, layering in water distributing can after the condensation of tower top material, water layer is the oil reservoir that density is light, based on dewatering agent, loop back dehydration tower, maintain dewatering agent and form slightly larger than ternary azeotropic.Water distributing can water layer is containing a small amount of dewatering agent of oxygen isopropyl alcohol and solvent.Be connected with de-acetone tower and concentration tower bottom water distributing can.The pipeline of connection concentration tower and de-acetone tower arranges flow control valve, regulates into de-acetone tower and the ratio returning concentrate tower top.
Further, the utility model eliminates dewatering agent recovery tower, water layer material is returned concentration tower to realize the object of dehydration and recovery dewatering agent and Virahol.Be connected the acetone that can remove Virahol by-product with de-acetone bottom water distributing can in the utility model, de-acetone tower is connected with water distributing can water layer, and the acetone removed containing isopropyl alcohol and water, containing a small amount of dewatering agent, is not desirable stop bracket gasoline harmonic component.
Fig. 1 is the device schematic diagram that the utility model Virahol production process removes by product acetone, as shown in Figure 1:
The device that Virahol production process described in the utility model removes by product acetone comprises concentration tower feeding line 1, concentration tower 2, dehydration tower feeding line 3, dehydration tower 4, dehydration tower eject stockline 5, water cooler 6, water distributing can 7, water distributing can oil reservoir return dehydration tower line 8, flow control valve 9, water distributing can water layer circular route 10, de-ketone tower feeding line 11, de-acetone tower 12, de-acetone column overhead go out circular route 14, concentration tower recycle feed line 15 at the bottom of stockline 13, de-ketone tower and form;
The operational path that the utility model takes off acetone technology is: acetone (content is about 0.01%-6%) and alcohol-water mixture (content is about 99.99%-94%) enter concentration tower 2 by concentration tower feeding line 1; Acetone after concentrate and alcohol-water mixture enter dehydration tower 4 from concentration tower 2 top exit by dehydration tower feeding line 3; Enter acetone and alcohol-water mixture material in dehydration tower 4 and carry out extracting rectifying with the oil reservoir dewatering agent mixture counter current contact being returned dehydration tower line 8 by water distributing can oil reservoir and enter dehydration tower; Acetone at dehydration tower 4 top and alcohol, water, dewatering agent gas phase mixture material are ejected stockline 5 and after water cooler 6, enter dehydration column overhead water distributing can 7 again by dehydration tower; Upper strata oil reservoir dewatering agent mixture (containing 80% dewatering agent and about 20% acetone, alcohol, the water mixture of having an appointment) in water distributing can 7 enters dehydration tower 4 top by returning dehydration tower line 8; Lower aqueous layer mixture (containing 65% water and about 35% acetone, alcohol, the dewatering agent mixture of having an appointment) in water distributing can 7 enters in the middle part of de-acetone tower 12 through de-ketone tower feeding line 11 by flow control valve 9 again; The acetone mixture material (containing 90% acetone and about 10% dewatering agent, water, the alcohol mixture of having an appointment) deviate from of de-acetone tower 12 tower top goes out stockline 13 by de-acetone column overhead and goes out device and go recycling; Material after taking off ketone at the bottom of de-acetone tower 12 tower is turned back in the middle part of concentration tower 2 by the material merga pass concentration tower recycle feed line 15 of circular route at the bottom of de-ketone tower 14 with the not de-ketone of water distributing can water layer circular route 10.
Further, preferably, de-acetone tower of the present utility model is rectifying tower, meets number of theoretical plate 10-60 block, and preferred 20-35 block, feed entrance point is in tower bottom about 1/3.In tower, column plate or filler are installed, are connected with concentration tower at the bottom of tower.
The utility model is not limited with above-mentioned embodiment, and go for allly has the ketogenetic device of by product third in Virahol production process, has a extensive future.
Effect of the present utility model:
Conventional Virahol tripping device, water layer material, through dewatering agent recovery tower, removes superfluous water at the bottom of tower, recovered overhead dewatering agent and Virahol.The utility model eliminates dewatering agent recovery tower, water layer material is returned the object that concentration tower achieves dehydration equally and reclaims dewatering agent and Virahol.Conventional Virahol tripping device takes off acetone tower and is connected with concentrate tower top, the moisture and Virahol of the acetone removed.In the utility model, de-acetone tower is connected with water distributing can water layer, and the acetone removed containing isopropyl alcohol and water, containing a small amount of dewatering agent, is not desirable stop bracket gasoline harmonic component.
Be connected with de-acetone tower and concentration tower bottom the utility model water distributing can.The pipeline connecting concentration tower and de-acetone tower arranges flow control valve, adjustable enter de-acetone tower and return the ratio of concentrate tower top.
The Virahol production process that the utility model proposes removes the device of by product acetone, thick Virahol concentrate is consisted of to azeotropic, get rid of the water in thick Virahol at the bottom of tower concentration tower.The principle utilizing dewatering agent and water and Virahol to form ternary azeotropic by dehydration tower is dewatered, and obtains anhydrous isopropyl alcohol at the bottom of tower, layering in water distributing can after the condensation of tower top material, water layer is the oil reservoir that density is light, based on dewatering agent, loop back dehydration tower, maintain dewatering agent and form slightly larger than ternary azeotropic.Water distributing can water layer is containing a small amount of dewatering agent of oxygen isopropyl alcohol and solvent.
The device that the Virahol production process that the utility model proposes removes by product acetone adopts rectification method to remove by product acetone in Virahol production process, for physical separating process, reach the object reducing Virahol plant energy consumption, avoid acetone volatilization atmosphere pollution, energy-conserving and environment-protective.Advantage of the present utility model is not only to be applicable to deviating from of high-content acetone, and the deviating from of applicable trace acetone.In the situation of trace acetone, material can do circulative accumulation and stop de-ketone process.When accumulation reaches optimum de-ketone concentration range, then enter de-ketone tower and do de-ketone process.Really achieve the target of energy-conserving and environment-protective.
Certainly; the utility model also can have other various embodiments; when not deviating from the utility model spirit and essence thereof; those of ordinary skill in the art can make various corresponding change and distortion according to the utility model, but these change accordingly and are out of shape the protection domain that all should belong to the utility model claim.
Claims (10)
1. Virahol production process removes a device for by product acetone, it is characterized in that, comprise concentration tower, dehydration tower, water distributing can, de-acetone tower, described concentration tower is connected with described dehydration tower; Described dehydration tower is connected with described water distributing can, and described water distributing can outlet at bottom is connected with described de-acetone tower and described concentration tower by flow control valve.
2. Virahol production process according to claim 1 removes the device of by product acetone, it is characterized in that, described water distributing can outlet at bottom is connected with in the middle part of de-acetone tower through de-ketone tower feeding line by flow control valve again.
3. Virahol production process according to claim 1 removes the device of by product acetone, it is characterized in that, described water distributing can outlet at bottom is connected with in the middle part of described concentration tower through water distributing can water layer circular route by flow control valve again.
4. Virahol production process according to claim 1 removes the device of by product acetone, it is characterized in that, the pipeline connecting described concentration tower and de-acetone tower arranges flow control valve.
5. Virahol production process according to claim 1 removes the device of by product acetone, it is characterized in that, described concentration tower top exit is connected with in the middle part of described dehydration tower by dehydration tower feeding line.
6. Virahol production process according to claim 1 removes the device of by product acetone, it is characterized in that, described dehydration tower top exit ejects stockline by described dehydration tower and is connected with described water distributing can top.
7. Virahol production process according to claim 1 removes the device of by product acetone, it is characterized in that, described water distributing can centre exit returns dehydration tower line by water distributing can oil reservoir and is connected with described dehydration tower top.
8. Virahol production process according to claim 1 removes the device of by product acetone, it is characterized in that, be connected with described concentration tower by concentration tower recycle feed line after described de-acetone tower bottom outlet is merged by circular route at the bottom of de-ketone tower and described water distributing can bottom aqueous layer circular route.
9. Virahol production process according to claim 8 removes the device of by product acetone, it is characterized in that, described concentration tower feeding line is connected with in the middle part of described concentration tower.
10. Virahol production process according to claim 1 removes the device of by product acetone, it is characterized in that, described de-acetone tower is rectifying tower, is provided with column plate in described de-acetone tower, and feed entrance point is at tower bottom about 1/3 place.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420769101.0U CN204454941U (en) | 2014-12-08 | 2014-12-08 | The device of by product acetone is removed in a kind of Virahol production process |
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|---|---|---|---|
| CN201420769101.0U CN204454941U (en) | 2014-12-08 | 2014-12-08 | The device of by product acetone is removed in a kind of Virahol production process |
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| CN204454941U true CN204454941U (en) | 2015-07-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107803044A (en) * | 2017-11-21 | 2018-03-16 | 辽宁海德新化工有限公司 | A kind of azeotrope column water circle device |
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2014
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107803044A (en) * | 2017-11-21 | 2018-03-16 | 辽宁海德新化工有限公司 | A kind of azeotrope column water circle device |
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Granted publication date: 20150708 |