CN102512833A - Horizontal-pipe falling-film evaporation method coupling distillation and device thereof - Google Patents
Horizontal-pipe falling-film evaporation method coupling distillation and device thereof Download PDFInfo
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- CN102512833A CN102512833A CN2011103651621A CN201110365162A CN102512833A CN 102512833 A CN102512833 A CN 102512833A CN 2011103651621 A CN2011103651621 A CN 2011103651621A CN 201110365162 A CN201110365162 A CN 201110365162A CN 102512833 A CN102512833 A CN 102512833A
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Abstract
The invention discloses a horizontal-pipe falling-film evaporation method coupling distillation and a device thereof. One or a plurality of stages of evaporation units are arranged in an evaporation device, an evaporation space and a material distributor are arranged above each stage of evaporation unit, a material flows down from the top of the evaporation device by the material distributors through each stage of evaporation unit, steam generated by evaporation ascends upwards by the clearances of horizontal array pipes and is in counter-flow contact with the material from bottom to top, an organic solvent is carried away by the steam, and the content of the organic solvent of the material is increased stage by stage; and the material flows down stage by stage in a falling-film way, the content of the solvent of the material is lowered stage by stage, the coupling of evaporation and distillation is realized, and a concentrated product is obtained at the bottom of the evaporation device. According to the horizontal-pipe falling-film evaporation method coupling the distillation and the device thereof, the structure of a whole set of system is simple, equipment is compact, the floor area is small, a large quantity of metal materials are saved, and the manufacturing cost of the equipment is greatly lowered; and the horizontal-pipe falling-film evaporation method coupling the distillation and the device thereof can be widely used in the fields of chemical industry, light industry, oil refining, pharmacy, seawater desalination and the like, can be suitable for a fibrous material containing solid particles or an occasion easy to scale and are especially suitable for distilling ethanol or recovering an organic solvent.
Description
Technical field
The invention belongs to the evaporation equipment technical field, be specifically related to a kind of horizontal pipe falling film evaporation method and device thereof of the distillation that is coupled.
Background technology
Evaporation is a kind of unit operations of chemical industry extensive use, is generally used for from the aqueous solution, removing moisture to reach the purpose that product concentrates.Because advantages such as the outer falling film evaporation technology of horizontal tube has the heat transfer coefficient height, and evaporation intensity is big are generally used in fields such as chemical industry, light industry, pharmacy, desalinization, refrigeration at present.
Each effect of conventional horizontal extratubal falling film evaporimeter is generally horizontal positioned, and these evaporimeters roughly are divided into two kinds of situation: one of which, housing are circular, and each single-effect evaporator heating surface bank adopts vertically and arranges, the direction of promptly restraining is consistent with housing direction; Its two, housing is a rectangular configuration, every single-effect evaporator heating surface bank is transverse horizontal and arranges like patent CN101786677A; Each single-effect evaporator joins end to end, and this situation causes the draw ratio of equipment very big, and floor space increases; Maintenance inconvenience, heat loss increases in the evaporation process; If the employing cylindrical wall, then apparatus structure is compact inadequately, and processing is difficulty relatively; If the employing rectangular housing must adopt frame structure in the end of evaporimeter, the equipment that prevents produces unstable failure under high vacuum state, so equipment investment increases.
Patent CN2562830Y has introduced the outer falling film evaporation device of a kind of horizontal tube; Its major technique characteristic is that vertical segmentation becomes respectively independently 2 ~ 11 vaporization chambers in the device shell; Spray comb and heater are installed respectively in each vaporization chamber, and device shell top is installed with and sprays the material liquid inlet tube that comb is connected, and material liquid is got to the top of device through pump; Each indirect steam outlet of imitating on the vaporization chamber sidewall is connected with the heater of next effect through pipeline; The completion liquid outlet of each single-effect evaporator sidewall below is connected with the spray comb of next effect through U type pipe, has the tail vapor outlet on the sidewall of last single-effect evaporator and accomplishes liquid outlet, complex structure.
Patent CN100586523C provides a kind of organic solvent to reclaim with multiple-effect adverse current falling film evaporation system; Adopt the vertically moving membrane evaporimeter to form multi-effect evaporation system, each single-effect evaporator all is provided with solution circulation pump, and each is imitated steam condensate and gets into lime set jar separately respectively; Discharge recycling through pump; Each is imitated between lime set jar and vapour liquid separator and is provided with air communicating pipe, guarantees the discharge of fixed gas under the vacuumizing condition, improves heat transfer efficiency.
The outer falling film evaporation technology of existing horizontal tube is mainly used in the evaporation of product and concentrates, and does not distill function.And independently multiple-effect adverse current falling liquid film system is adopted in the organic solvent recovery more, and floor space is big, complex equipments, and the integral device cost is higher.
Summary of the invention
The purpose of this invention is to provide a kind of evaporation and the horizontal pipe falling film evaporation method of distillation coupling and horizontal pipe falling film evaporation device simple and compact for structure.
For achieving the above object, the technical scheme that the present invention adopts is:
A kind of horizontal pipe falling film evaporation method of the distillation that is coupled; In vaporising device, be provided with 1 grade or multistage evaporation unit; Evaporation elements at different levels top is provided with evaporating space and material distributor; Material spontaneous evaporation device top flows down through evaporation elements at different levels through the material distributor, the steam that evaporation produces from bottom to top with the material counter current contacting, obtain concentrated product in the vaporising device bottom.
Said evaporation element vertically is provided with, and the heat exchanger tube in the evaporation element is horizontal cross to be arranged, material is dispersed in outside the heat exchanger tube and along pipe outer wall falling liquid film feed liquid through the material distributor and flows down.
Said vaporising device can positive pressure operation or vacuumizing.
Realize the vaporising device of said method of evaporating, comprise cylindrical tower body, said tower body top is provided with steam (vapor) outlet, and the tower body bottom is provided with material outlet; Said tower body internal vertical is provided with one or more levels evaporation element, and every grade of evaporation element top is respectively equipped with evaporating space and material distributor, and the material distributor top of evaporated on top unit is provided with material inlet.
The tower body bottom is the tower still, and the below of tower still is provided with material outlet.
Every grade of evaporation element comprises heat exchanger tube that is the transverse horizontal layout and the tube sheet that supports the vertical setting of heat exchanger tube, and heat exchanger tube is communicated with airtight bobbin carriage; Be equipped with the thermophore import and export on the bobbin carriage of every grade of evaporation element; Every grade of evaporation element is fixedly connected with the tower body inwall through supporting construction.
Tower body overhead vapor outlet below is provided with demister.
Among the present invention, contain organic solvent, water or certain consolidating in the material and contain thing, get into by the device top; Flow downward at horizontal extratubal falling film; Through 1 grade or multistage evaporation unit, the steam that steams contains higher organic solvent concentration, reclaims back organic solvent concentration and improves greatly; Be equivalent to the distillation that has been coupled, reduced the use amount of heating steam and cooling water; The gap of the steam that in evaporation process, produces through horizontal tubulation is to rising, and material fully contacts with steam counter-flow, and organic solvent is taken away by steam; Material after solvent reduces distributes through liquid subordinate distributor; Falling liquid film flows down step by step, and solvent reduces step by step, and concentrate flows down outside afterbody evaporation element horizontal tube; Discharge the access to plant bottom, and solvent steams basically; Utilize the method for this multistage evaporation to steam solvent, heat can be fully used, and solvent recovering rate is high, and specific energy consumption is low.
Because material flows down along horizontal heat exchange tube outer wall falling liquid film, is not easy fouling, therefore not only be fit to cleaning fluid, also can be used for containing the fluid of certain solid particle.
The device that is designed is cylindrical, compares with rectangular configuration, can bear bigger pressure, can carry out positive pressure operation, also can carry out vacuumizing, and simple in structure, equipment investment can significantly reduce.
Compared with prior art, advantage of the present invention is:
1, the outer falling film evaporation unit of a plurality of horizontal tubes vertical pile is in a device, and material is got to the top of device, and material is evenly dispersed in outside the horizontal tube, flows down along pipe outer wall falling liquid film, can realize multistage continuous evaporation operation;
2, the indirect steam that steams contains higher organic solvent concentration, reclaims back organic solvent concentration and improves greatly, is equivalent to the distillation that has been coupled;
3, the multistage evaporation process is carried out in a device, has reduced the use amount of heating steam and cooling water, has reduced thermal loss, has improved Btu utilization efficient;
But 4 positive pressure operations, but also vacuumizing.
5, whole system is simple in structure, facility compact, and floor space is little, has saved a large amount of metal materials, and equipment manufacturing cost reduces greatly;
6, the present invention can be widely used in fields such as chemical industry, light industry, oil refining, pharmacy, desalinization, can be fit to contain the occasion of solid particle or easy fouling.
Description of drawings
Fig. 1 is the embodiment of the invention 1 structural representation;
Fig. 2 is the embodiment of the invention 2 structural representations;
Fig. 3 is the embodiment of the invention 3 structural representations.
The specific embodiment
Embodiment 1:
As shown in Figure 1; A kind of horizontal pipe falling film evaporation method of the distillation that is coupled; In vaporising device, vertically be provided with 1 grade of evaporation element 4, the heat exchanger tube 4-5 in the evaporation element 4 is horizontal cross and arranges, evaporation element 2 tops are provided with evaporating space 7 and material distributor 6; Material is dispersed in outside the heat exchanger tube 4-5 and along pipe outer wall falling liquid film feed liquid at the vaporising device top through material distributor 6 and flows down; The Flow of Goods and Materials direction is for from top to bottom, the organic vapor that evaporation produces from bottom to top with the material counter current contacting, obtain concentrated product in the vaporising device bottom.Said vaporising device can positive pressure operation or vacuumizing.
Realize the vaporising device of above-mentioned method of evaporating, form by tower body 3, tower still 2, evaporation element 4, material inlet 5, material distributor 6, evaporating space 7, demister 8, steam (vapor) outlet 9, material outlet 1.An evaporation element 4 vertically is set in the tower body 3, and evaporation element 4 is fixed through supporting construction 4-1, and evaporation element 4 comprises bobbin carriage 4-3, tube sheet 4-4, heat exchanger tube 4-5, thermophore import 4-6 and thermophore outlet 4-2; Above evaporation element 4, be provided with material distributor 6, evaporating space 7 and demister 8; Material distributor 6 is in the bottom of evaporating space 7, and demister 8 is positioned at the top of evaporating space 7, and steam (vapor) outlet 9 is positioned at tower body 3 tops.Tower body 3 bottoms are tower still 2, and the below of tower still 2 is provided with material outlet 1.
With the alcohol distillation is example, and operating pressure is 0.1MPa in the tower, is positive pressure operation.Tower diameter φ 2m, tower height 20m, tower still 2 high 2.5m, Ta Nei establishes one-level evaporation element 4, evaporation element 4 high 12m, heat exchanger tube 4-5 external diameter is φ 32mm, and heat exchanger tube 4-5 rounded projections arranged, horizontal center spacing are 100mm, and the vertical centre spacing is 150mm; Heat medium is that inlet temperature is 130 ℃ of heating steams.
The alcohol waste lees solution that contains certain solid content is beaten to the body of the tower top, delivers to material distributor 6 by material inlet 5, material liquid is evenly distributed on the horizontal heat exchange tube 4-5 of evaporation element 4 through material distributor 6, and material flows down along horizontal heat exchange tube 4-5 outer wall falling liquid film; Carry out heat exchange through many row's heat exchanger tube 4-5, the poor material of alcohol is evaporated, the steam of generation is taken away contained alcohol and the moisture in material the inside; Material is fallen tower still 2 through last comb and is formed concentrate, by material outlet 1 outflow of tower still 2 bottoms.
The steam that is produced rises through the gap of horizontal tube from bottom to top, with descending material counter current contacting, is equivalent to the distillation that has been coupled; Take away most of alcohol and moisture contained in the material; Get into evaporating space 7, the fine droplet separation of entrainment with steam is fallen, further remove droplets entrained through demister 8; Discharge through steam (vapor) outlet 9 then, can pass through condensing and recycling ethanol thereafter.
Thermophore heating steam gets into bobbin carriage 4-3 through thermophore import 4-6, gets into then in the horizontal heat exchange tube 4-5 of evaporation element 4, and the feed liquid outer to its tube wall heats, and the condensed water after the cooling is discharged through thermophore outlet 4-2.
Embodiment 2:
As shown in Figure 2; A kind of horizontal pipe falling film evaporation method of the distillation that is coupled; In vaporising device, be provided with 2 grades of vertically disposed evaporation elements 16,13, heat exchanger tube 16-5, the 13-5 in the evaporation element 16,13 is horizontal cross and arranges, there are evaporating space 7,15 and material distributor 6,14 in the top between evaporation elements at different levels; Material makes feed liquid be dispersed in outside heat exchanger tube 16-5, the 13-5 and along pipe outer wall falling liquid film under the effect of material distributor 6,14 and flows down; The Flow of Goods and Materials direction is for from top to bottom, the organic vapor that evaporation produces from bottom to top with the material counter current contacting, obtain concentrated product in the vaporising device bottom.Said vaporising device can positive pressure operation or vacuumizing.
Realize the vaporising device of above-mentioned method of evaporating, form by tower body 3, tower still 2, dual evaporation unit 13, two stage material distributors 14, dual evaporation space 15, one-level evaporation element 16, material inlet 5, material distributor 6, evaporating space 7, demister 8, steam (vapor) outlet 9, material outlet 1.
2 grades of evaporation elements 13 and 16 vertically are set in the tower body 3, and dual evaporation unit 13 is positioned at tower still 2 tops, and 13-1 fixes through supporting construction, includes bobbin carriage 13-3, tube sheet 13-4, heat exchanger tube 13-5, thermophore import 13-6 and thermophore outlet 13-2; The bottom of dual evaporation unit 13 is a tower still 2, and the below of tower still 2 is provided with material outlet 1.
Above dual evaporation unit 13, be provided with two stage material distributors 14, dual evaporation space 15 and one-level evaporation element 16; One-level evaporation element 16 is positioned at 15 tops, dual evaporation space, and 16-1 fixes through supporting construction, has included bobbin carriage 16-3, tube sheet 16-4, heat exchanger tube 16-5, thermophore import 16-6 and thermophore outlet 16-2; One-level evaporation element 16 tops are provided with material inlet 5, material distributor 6, evaporating space 7, demister 8, steam (vapor) outlet 9; Material distributor 6 is in the bottom of evaporating space 7, and demister 8 is positioned at the top of evaporating space 7, and steam (vapor) outlet 9 is positioned at top of tower.
To reclaim methyl alcohol is example, is vacuumizing in the device.Methanol aqueous solution is beaten to installing the top, delivers to material distributor 6 by material inlet 5, material liquid is evenly distributed on the horizontal heat exchange tube 16-5 of one-level evaporation element 16 through material distributor 6, and material flows down along horizontal heat exchange tube 16-5 outer wall falling liquid film; Carry out heat exchange through many row's heat exchanger tubes, under vacuum state, methanol aqueous solution is evaporated, the steam of generation is taken away the contained methyl alcohol in material the inside; Material is fallen on the two stage material distributors 14 through last comb, and 14 pairs of materials of two stage material distributors distribute once more, and material is evenly distributed on the horizontal heat exchange tube 13-5 of dual evaporation unit 13, and material flows down along horizontal heat exchange tube 13-5 outer wall falling liquid film; Carry out heat exchange through many row's heat exchanger tubes once more, under vacuum state, methanol aqueous solution is evaporated, the steam of generation is taken away the contained methyl alcohol in material the inside; Material is fallen tower still 2 through last comb and is formed concentrate, by material outlet 1 outflow of tower still 2 bottoms.
The steam that is produced rises through the gap of horizontal tube from bottom to top, with descending material counter current contacting, is equivalent to the distillation that has been coupled, and takes away most of methyl alcohol contained in the material.Steam from last comb produces through dual evaporation unit 13, entering dual evaporation space 15, falls the fine droplet separation of entrainment with steam successively; Get into one-level evaporation element 16 then, get into evaporating space 7, the fine droplet with entrainment with steam separates to fall once more; Further remove droplets entrained through demister 8 again, discharge through steam (vapor) outlet 9 then, can pass through condensing and recycling methyl alcohol thereafter.
(conduction oil is during as thermophore as thermophore with conduction oil for the heating of one-level, dual evaporation unit; The thermophore import is positioned at the bobbin carriage bottom; The thermophore outlet is positioned at bobbin carriage top), conduction oil gets into bobbin carriage through the thermophore import, gets into then in the horizontal heat exchange tube bundle of evaporation element; The feed liquid outer to its tube wall heats, and discharge through the thermophore outlet conduction oil cooling back.
Embodiment 3:
As shown in Figure 3; A kind of horizontal pipe falling film evaporation method of the distillation that is coupled; In vaporising device, be provided with 3 grades of vertically disposed evaporation elements 16,13,10, heat exchanger tube 16-5,13-5, the 10-5 in the evaporation element 16,13,10 is horizontal cross and arranges, there are evaporating space 7,15,12 and material distributor 6,14,11 in the top between evaporation elements at different levels; Material makes feed liquid be dispersed in outside heat exchanger tube 16-5,13-5, the 10-5 and along pipe outer wall falling liquid film under the effect of material distributor 6,14,11 and flows down; The Flow of Goods and Materials direction is for from top to bottom, the organic vapor that evaporation produces from bottom to top with the material counter current contacting, obtain concentrated product in the vaporising device bottom.Said vaporising device can positive pressure operation or vacuumizing.
Realize the vaporising device of above-mentioned method of evaporating, form by tower body 3, tower still 2, three grades of evaporation elements 10, three stage material distributors 11, three grades of evaporating spaces 12, dual evaporation unit 13, two stage material distributors 14, dual evaporation space 15, one-level evaporation element 16, material inlet 5, material distributor 6, evaporating space 7, demister 8, steam (vapor) outlet 9, material outlet 1.
10,13 and 16, three grades of evaporation elements 10 of 3 grades of evaporation elements vertically are set in the tower body 3 are positioned at tower still 2 tops, 10-1 fixes through supporting construction, includes bobbin carriage 10-3, tube sheet 10-4, heat exchanger tube 10-5, heating steam import 10-6 and condensation-water drain 10-2; The bottom of three grades of evaporation elements 10 is a tower still 2, and the below of tower still 2 is provided with material outlet 1.
Above three grades of evaporation elements 10, be provided with 11, three grades of evaporating spaces of three stage material distributors 12 and dual evaporation unit 13; Dual evaporation unit 13 is positioned at three grades of evaporating space 12 tops, and 13-1 fixes through supporting construction, includes bobbin carriage 13-3, tube sheet 13-4, heat exchanger tube 13-5, heating steam import 13-6 and condensation-water drain 13-2;
Above dual evaporation unit 13, be provided with two stage material distributors 14, dual evaporation space 15 and one-level evaporation element 16; One-level evaporation element 16 is positioned at 15 tops, dual evaporation space, and 16-1 fixes through supporting construction, has included bobbin carriage 16-3, tube sheet 16-4, heat exchanger tube 16-5, heating steam import 16-6 and condensation-water drain 16-2; One-level evaporation element 16 tops are provided with material inlet 5, material distributor 6, evaporating space 7, demister 8, steam (vapor) outlet 9; Material distributor 6 is in the bottom of evaporating space 7, and demister 8 is positioned at the top of evaporating space 7, and steam (vapor) outlet 9 is positioned at top of tower.
To reclaim methyl alcohol is example, is vacuumizing in the tower.Tower diameter φ 1.8m, tower height 24m, tower still 2 high 2m; Establish three- stage distillation unit 10,13 and 16 in the tower, every grade of distillation high 5m in unit, the evaporating space height between adjacent two distillation unit is 1m; The heat exchanger tube external diameter is φ 25mm; Heat exchanger tube rectangular arranged, horizontal center spacing are 90mm, and the vertical centre spacing is 120mm; Heating steam is 100 ℃ of waste hot steams.
Methanol aqueous solution is beaten to the body of the tower top, delivers to material distributor 6 by material inlet 5, material liquid is evenly distributed on the horizontal heat exchange tube 16-5 of one-level evaporation element 16 through material distributor 6, and material flows down along horizontal heat exchange tube 16-5 outer wall falling liquid film; Carry out heat exchange through many row's heat exchanger tubes, under vacuum state, methanol aqueous solution is evaporated, the steam of generation is taken away the contained methyl alcohol in material the inside; Material is fallen on the two stage material distributors 14 through last comb; 14 pairs of materials of two stage material distributors distribute once more; Material is evenly distributed on the horizontal heat exchange tube 13-5 of dual evaporation unit 13, and material is fallen on the three stage material distributors 11 through last comb, and 11 pairs of materials of three stage material distributors distribute once more; Material is evenly distributed on the horizontal heat exchange tube 10-5 of three grades of evaporation elements 10, and material flows down along horizontal heat exchange tube outer wall falling liquid film; Carry out heat exchange through many row's heat exchanger tubes once more, under vacuum state, methanol aqueous solution is evaporated, the steam of generation is taken away the contained methyl alcohol in material the inside; Material is fallen tower still 2 through last comb and is formed concentrate, by material outlet 1 outflow of tower still 2 bottoms.
The steam that is produced rises through the gap of horizontal tube from bottom to top, with descending material counter current contacting, is equivalent to the distillation that has been coupled, and takes away most of methyl alcohol contained in the material.Steam from last comb produces successively through three grades of evaporation elements 10, three grades of evaporating spaces 12 of entering, falls the fine droplet separation of entrainment with steam; Get into dual evaporation unit 13 again, get into dual evaporation space 15, the fine droplet with entrainment with steam separates to fall once more; Get into one-level evaporation element 16 then, get into evaporating space 7, the fine droplet with entrainment with steam separates to fall once more; Further remove droplets entrained through demister 8 again, discharge through steam (vapor) outlet 9 then, can pass through condensing and recycling methyl alcohol thereafter.
16 heating of one-level evaporation element get into bobbin carriage 16-3 with exhaust steam through heating steam import 16-6; Get into then in the horizontal heat exchange tube 16-5 of one-level evaporation element 16; The feed liquid outer to its tube wall heats, and self carries out condensation simultaneously, and condensed water is discharged through condensation-water drain 16-2.
13 heating of dual evaporation unit get into bobbin carriage 13-3 with exhaust steam through heating steam import 13-6; Get into then in the horizontal heat exchange tube 13-5 of dual evaporation unit 13; The feed liquid outer to its tube wall heats, and self carries out condensation simultaneously, and condensed water is discharged through condensation-water drain 13-2.
Three grades of evaporation element 10 heating get into bobbin carriage 10-3 with exhaust steam through heating steam import 10-6; Get into then in the horizontal heat exchange tube 10-5 of three grades of evaporation elements 10; The feed liquid outer to its tube wall heats, and self carries out condensation simultaneously, and condensed water is discharged through condensation-water drain 10-2.
Among the present invention, thermophore can be steam, flue gas, conduction oil, hot water or other steam, in evaporation process; When flowing downward along with material, solvent reduces step by step, and boiling point raises step by step; Feed the thermophore temperature of evaporation element tube sides at different levels through adjustment; Can realize higher heat transfer temperature difference, help the carrying out of conducting heat and evaporating, evaporation efficiency is high.
Claims (7)
- One kind be coupled the distillation the horizontal pipe falling film evaporation method; It is characterized in that; In vaporising device, be provided with 1 grade or multistage evaporation unit, evaporation elements at different levels top is provided with evaporating space and material distributor, and material spontaneous evaporation device top flows down through evaporation elements at different levels through the material distributor; The steam that evaporation produces from bottom to top with the material counter current contacting, obtain concentrated product in the vaporising device bottom.
- 2. horizontal pipe falling film evaporation method as claimed in claim 1; It is characterized in that; Said evaporation element vertically is provided with, and the heat exchanger tube in the evaporation element is horizontal cross to be arranged, material is dispersed in outside the heat exchanger tube and along pipe outer wall falling liquid film feed liquid through the material distributor and flows down.
- 3. according to claim 1 or claim 2 horizontal pipe falling film evaporation method is characterized in that said vaporising device can positive pressure operation or vacuumizing.
- 4. realize the vaporising device of the said method of evaporating of claim 1, comprise cylindrical tower body, it is characterized in that said tower body top is provided with steam (vapor) outlet, the tower body bottom is provided with material outlet; Said tower body internal vertical is provided with one or more levels evaporation element, and every grade of evaporation element top is respectively equipped with evaporating space and material distributor, and the material distributor top of evaporated on top unit is provided with material inlet.
- 5. vaporising device as claimed in claim 4 is characterized in that, the tower body bottom is the tower still, and the below of tower still is provided with material outlet.
- 6. like claim 4 or 5 described vaporising devices, it is characterized in that every grade of evaporation element comprises heat exchanger tube that is the transverse horizontal layout and the tube sheet that supports the vertical setting of heat exchanger tube, heat exchanger tube is communicated with airtight bobbin carriage; Be equipped with the thermophore import and export on the bobbin carriage of every grade of evaporation element; Every grade of evaporation element is fixedly connected with the tower body inwall through supporting construction.
- 7. vaporising device as claimed in claim 6 is characterized in that, tower body overhead vapor outlet below is provided with demister.
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| CN2011103651621A CN102512833A (en) | 2011-11-17 | 2011-11-17 | Horizontal-pipe falling-film evaporation method coupling distillation and device thereof |
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| CN2011103651621A CN102512833A (en) | 2011-11-17 | 2011-11-17 | Horizontal-pipe falling-film evaporation method coupling distillation and device thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107774001A (en) * | 2016-08-29 | 2018-03-09 | 中国石油化工股份有限公司 | A kind of vertical tube falling evaporator |
| CN109224488A (en) * | 2018-09-27 | 2019-01-18 | 谢兆钟 | Utilize the device of tobacco waste no three wastes extraction nicotine |
| CN111359248A (en) * | 2020-03-31 | 2020-07-03 | 龙岩卓越新能源股份有限公司 | Production method of superheated methanol gas in biodiesel continuous production |
| CN114432726A (en) * | 2020-10-31 | 2022-05-06 | 中国石油化工股份有限公司 | Thermal coupling rectifying tower |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4636283A (en) * | 1982-05-24 | 1987-01-13 | D.V.T. Buro Fur Anwendung Deutscher Verfahrenstechnik H. Morsy | Apparatus for the distillation of fresh water from sea water |
| CN2562830Y (en) * | 2002-08-13 | 2003-07-30 | 河北工业大学 | Dropping film evaporation tower out of horirontal pipe |
| CN2714600Y (en) * | 2004-07-06 | 2005-08-03 | 中国林业科学研究院林产化学工业研究所 | Solution circulation spraying falling-film evaporator |
| CN201168453Y (en) * | 2008-03-18 | 2008-12-24 | 冯建东 | Evaporation and vapor-liquor separation apparatus of heat-sensitive material multiple-effect falling film evaporation system |
| CN202315342U (en) * | 2011-11-17 | 2012-07-11 | 郑州大学生化工程中心 | Horizontal pipe falling film evaporation tower |
-
2011
- 2011-11-17 CN CN2011103651621A patent/CN102512833A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4636283A (en) * | 1982-05-24 | 1987-01-13 | D.V.T. Buro Fur Anwendung Deutscher Verfahrenstechnik H. Morsy | Apparatus for the distillation of fresh water from sea water |
| CN2562830Y (en) * | 2002-08-13 | 2003-07-30 | 河北工业大学 | Dropping film evaporation tower out of horirontal pipe |
| CN2714600Y (en) * | 2004-07-06 | 2005-08-03 | 中国林业科学研究院林产化学工业研究所 | Solution circulation spraying falling-film evaporator |
| CN201168453Y (en) * | 2008-03-18 | 2008-12-24 | 冯建东 | Evaporation and vapor-liquor separation apparatus of heat-sensitive material multiple-effect falling film evaporation system |
| CN202315342U (en) * | 2011-11-17 | 2012-07-11 | 郑州大学生化工程中心 | Horizontal pipe falling film evaporation tower |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107774001A (en) * | 2016-08-29 | 2018-03-09 | 中国石油化工股份有限公司 | A kind of vertical tube falling evaporator |
| CN107774001B (en) * | 2016-08-29 | 2020-06-09 | 中国石油化工股份有限公司 | Vertical tube falling film evaporator |
| CN109224488A (en) * | 2018-09-27 | 2019-01-18 | 谢兆钟 | Utilize the device of tobacco waste no three wastes extraction nicotine |
| CN111359248A (en) * | 2020-03-31 | 2020-07-03 | 龙岩卓越新能源股份有限公司 | Production method of superheated methanol gas in biodiesel continuous production |
| CN114432726A (en) * | 2020-10-31 | 2022-05-06 | 中国石油化工股份有限公司 | Thermal coupling rectifying tower |
| CN114432726B (en) * | 2020-10-31 | 2023-07-28 | 中国石油化工股份有限公司 | Thermal coupling rectifying tower |
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Application publication date: 20120627 |