CN101769593B - Vaporizer - Google Patents
Vaporizer Download PDFInfo
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- CN101769593B CN101769593B CN2008102051002A CN200810205100A CN101769593B CN 101769593 B CN101769593 B CN 101769593B CN 2008102051002 A CN2008102051002 A CN 2008102051002A CN 200810205100 A CN200810205100 A CN 200810205100A CN 101769593 B CN101769593 B CN 101769593B
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- vaporizer
- heater
- container
- bobbin carriage
- liquid
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Abstract
The invention discloses a vaporizer, which comprises a container and a heating device. The container is at least provided with one feed pipe and one discharge pipe; and the heating device is arranged in the container and provided with a group of heat exchange members. The invention also discloses application of the vaporizer in a process of preparing dimethyl ether by dehydrating liquid phase methanol. The vaporizer of the invention has the advantages of high vaporization efficiency, stable operation and control, safe use and convenient maintenance in the process of preparing the dimethyl ether by dehydrating the liquid phase methanol.
Description
Technical field
The present invention relates to a kind of vaporizer that is used to heat vaporization, particularly relate to a kind of vaporizer that is used for alcohols vaporization preparation c2 compounds technology.
Background technology
Carry out in the technology of alcohols vaporization preparation c2 compounds in chemical industry, such as adopting liquid phase methanol dehydration dimethyl ether-preparing technology, primary exactly liquid phase methyl alcohol sent into vaporizer and vaporize.Existing vaporizer is that liquid phase methyl alcohol is fed in the cylindrical vessel mostly, and a heater is housed in the container.Heater communicates with outside vapours, and through a bobbin carriage, vapours circulates, sends heater constantly to, thereby liquid phase methyl alcohol is vaporized.Mostly existing vaporizer is tower.Though it is it also can heat the liquid that imports,, limited with the contact area of liquid because its heater generally is positioned at container bottom.Add the poor efficiency that heater self exists, it often needs long time from being heated to vaporization, and the efficient of vaporization is also very low, and this has influenced the process-cycle of whole dimethyl ether production technology undoubtedly greatly.
Summary of the invention
The technical problem that the present invention will solve is for the low defective of vaporization efficency that overcomes existing vaporizer, provides a kind of and can improve vaporization efficency, shortens with the liquid phase methanol dehydration dimethyl ether-preparing vaporizer in whole preparation technology's cycle.
The present invention solves above-mentioned technical problem through following technical proposals: a kind of vaporizer; It comprises that one has the container of a feed pipe and a discharge nozzle at least; And be located at the heater in this container, its characteristics are, also have one group of heat exchanging piece on this heater.
Preferably, this heat exchanging piece is the some fins that are fixed in this heater appearance.More preferably, this fin is an aluminium flake.
Preferably, the diapire top in this container also is horizontally set with a liquid level baffle plate, and this liquid level baffle plate is vertical and near this heater.
Preferably, this heater is connected with a bobbin carriage, and through this bobbin carriage, this heater communicates with outside thermal source.
Preferably, this heater is a plurality of U-shaped pipe beam combination, and each a U-shaped Guan Youyi air intake and a venthole, this air intake, venthole communicate with this bobbin carriage respectively.
Preferably, this bobbin carriage and this container side wall are affixed, and this bobbin carriage wall is provided with a steam inlet, a condensate outlet.
Preferably, the mouth of pipe of this discharge nozzle is established a Despumation device, and the afterbody of this discharge nozzle is connected with one and feeds the interior guiding device of this container.
Preferably, this guiding device is a vapour-liquid guide shell, and the tube wall appearance of this vapour-liquid guide shell is provided with some diversion grooves.
Preferably, this Despumation device is a woven wire demister, and its opening part is covered with a woven wire.
Preferably, this container is the cylinder body that is horizontally set with, and this cylinder body perisporium is provided with some connectors.
Vaporizer of the present invention is applicable to the vaporization of liquid solvent in the chemical field, particularly volatilizable organic solvent usually, like C
1-2Alcohols (methyl alcohol, ethanol etc.) vaporization is used to prepare c2 compounds.
Preferably, the present invention also provides the application of a kind of aforesaid vaporizer in liquid phase methanol dehydration dimethyl ether-preparing technology.
Positive progressive effect of the present invention is:
1, vaporizer of the present invention is because after in heater, having installed fin, vaporization efficency improves greatly, and the energy-conservation of consumption reduction effect is remarkable.
2, preferably, vaporizer of the present invention adopts horizontal design, has strengthened the evaporation of liquid area, and handling safety, control are stablized, repair and maintenance is convenient, and has improved the efficient of vaporization.
3, preferably, the gas-liquid guide shell of vaporizer of the present invention is with the partially liq of carrying secretly in the gas phase, and in diversion groove returned the container of vaporizer, flange-cooled U type pipe had been guaranteed enough heat exchange areas, has improved the efficient of vaporization.
4, preferably, the level stability baffle plate of vaporizer of the present invention can make the liquid that gets into cylinder body, is blocked in the heating on every side of U-shaped pipe earlier, and then to flowing, has greatly shortened the time of vaporization all around.Simultaneously, the level stability baffle plate also can make the level stability around the heater, has guaranteed the reliability of Level Detection signal.
5, preferably; Vaporizer of the present invention is in liquid phase methanol dehydration dimethyl ether-preparing technology, and the woven wire skimmer tube of vaporizer can effectively be removed the small amount of liquid of carrying secretly in the gas phase; Guarantee that from the whole of discharging opening derivation be the methyl alcohol of gas phase, improved the purity of gas-phase methanol.
Description of drawings
Fig. 1 is a vaporizer preferred embodiment of the present invention partial sectional view longitudinally.
Fig. 2 is the A-A view among Fig. 1.
Fig. 3 is that B among Fig. 1 is to view.
The specific embodiment
Provide preferred embodiment of the present invention below in conjunction with accompanying drawing, to specify technical scheme of the present invention.
To be applied to liquid phase methanol dehydration dimethyl ether-preparing technology is example, and like Fig. 1～shown in Figure 3, the present invention designs a kind of horizontal vaporizer especially, and it comprises a container 4, and is located at the heater 17 in the container 4, and heater 17 has a bobbin carriage 2.Through bobbin carriage 2, outside thermal source can be imported heater 17 continuously, thereby to the heating of the liquid phase methyl alcohol in the container 4 vaporization.Wherein, heater 17 is used for the liquid in the container 4 is heated, and bobbin carriage 2 is connected with heater 17, the steam of external heat is imported heater 17, and the condensed water that will from heater 17, export is discharged capable of circulationly.At least have one on the container 4 and be used to the discharge nozzle 6 that imports the feed pipe 15 of liquid methanol and be used to derive the methyl alcohol of vaporization.In order to quicken the heat exchange efficacy of heater 17,, be connected with in heater 17 outsides and be used to the heat exchanging piece 11 quickening to vaporize also in order to strengthen the heat exchange area of vaporizer.
As shown in Figure 1, the heater 17 in the present embodiment is for crossing at the plurality of U-shaped pipe group in the container 4, and U-shaped pipe group is made up of hundreds of staggered layer by layer from inside to outside sheathed U-shaped metal tubes.Each U-shaped pipe all has an air intake and a venthole, and this air intake, venthole communicate with bobbin carriage 2 respectively.Vapours gets into the U-shaped pipe from air intake, condenses from venthole, and condensation again after the heating again, circulation so repeatedly, thereby with liquid phase methyl alcohol heating vaporization.
Like Fig. 1, shown in Figure 4, the bobbin carriage 2 in the present embodiment communicates with heater 17 and is affixed with container 4 sidewalls.On the bobbin carriage wall, be provided with a steam inlet 3, a condensate outlet 1.Wherein, vapours gets into the U-shaped tube bank that communicates with bobbin carriage, and through condensate outlet 1, the condensate liquid that liquefies in the U-shaped pipe is derived in the 3 importing bobbin carriages of steam inlet.
As shown in Figure 1, for heat radiation better, quicken vaporization, U-shaped tube wall surface is welded with heat exchanging piece 11 in the present embodiment, and the heat exchanging piece 11 in the present embodiment is some fins, and fin can be the heat radiation aluminium flake.These heat radiation aluminium flakes are welded on U-shaped tube wall surface radially, have greatly quickened the efficient of vaporization, also are convenient to safeguard and change.Simultaneously, the level stability in order to ensure around the heater 17 also is horizontally set with a liquid level baffle plate 10 in container 4, and this liquid level baffle plate 10 and the perpendicular setting of U-shaped pipe are welded on the diapire of container 4, and near U-shaped pipe group.
As shown in Figure 1, the mouth of pipe of discharge nozzle 6 is established a Despumation device 7, and the afterbody of discharge nozzle 6 is connected with the guiding device in the feeding container 4, is used for most of liquid guide flow that gas phase is carried secretly is recycled in the container 4.
As shown in Figure 2, the guiding device in the present embodiment is a vapour-liquid guide shell 9.All wall surfaces at vapour-liquid guide shell 9 are evenly distributed with four diversion grooves 16.Through these four diversion grooves 16, can be in diversion groove 16 returns vaporizer container 4 with most of liquid of carrying secretly in the gas phase.
As shown in Figure 1, the Despumation device 7 in the present embodiment is a sheathed woven wire demister, and this woven wire demister is one section sleeve pipe, is covered with the fine and closely woven wire netting of one deck at the opening part of sleeve pipe.Through this layer wire netting, can remove the small amount of methanol liquid of carrying secretly in the gas-phase methanol, the raw material of guaranteeing to get into down one dehydration reactor operation all is a gas-phase methanol.
Container of the present invention 4 can be upright placement according to arts demand, also can be horizontal setting.In the present embodiment according to the system process needs, simultaneously also for the stability that strengthens vaporizer equipment with strengthened the evaporation of liquid area, the container 4 of this vaporizer adopts the cylinder body of horizontally sets, promptly vaporizer is horizontal placement, its underpart has two saddles 13 to support.For the ease of safeguarding, detect, be provided with some connectors at the perisporium of cylinder body, such as: interface 8, liquid level gauge lower interface 12 etc. on relief valve connection 5, the liquid level gauge are used for other operation of system process or the connection of Equipment Inspection instrument.
Vaporizer of the present invention is in the whole preparation technology of liquid phase methanol dehydration dimethyl ether-preparing, and energy conservation and consumption reduction effects is remarkable.It adopts finned U type tube bank, has guaranteed enough heat exchange areas, makes that the vaporization efficency of vaporizer is high, controls stable and the repair and maintenance convenience.
Though more than described the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, under the prerequisite that does not deviate from principle of the present invention and essence, can make numerous variations or modification to these embodiments.Therefore, protection scope of the present invention is limited appended claims.
Claims (10)
1. vaporizer, it comprises that one has the container of a feed pipe and a discharge nozzle at least, and is located at the heater in this container, it is characterized in that, also has one group of heat exchanging piece on this heater; The mouth of pipe of this discharge nozzle is established a Despumation device, and the afterbody of this discharge nozzle is connected with one and feeds the interior guiding device of this container; This guiding device is a vapour-liquid guide shell, and the tube wall appearance of this vapour-liquid guide shell is provided with some diversion grooves.
2. vaporizer as claimed in claim 1 is characterized in that, this heat exchanging piece is the some fins that are fixed in this heater appearance.
3. vaporizer as claimed in claim 2 is characterized in that, this fin is an aluminium flake.
4. vaporizer as claimed in claim 1 is characterized in that, the diapire top in this container also is horizontally set with a liquid level baffle plate, and this liquid level baffle plate is vertical and near this heater.
5. vaporizer as claimed in claim 1 is characterized in that this heater is connected with a bobbin carriage, and through this bobbin carriage, this heater communicates with outside thermal source.
6. vaporizer as claimed in claim 5 is characterized in that, this heater is a plurality of U-shaped pipe beam combination, and each a U-shaped Guan Youyi air intake and a venthole, this air intake, venthole communicate with this bobbin carriage respectively.
7. vaporizer as claimed in claim 5 is characterized in that, this bobbin carriage and this container side wall are affixed, and this bobbin carriage wall is provided with a steam inlet, a condensate outlet.
8. vaporizer as claimed in claim 1 is characterized in that, this Despumation device is a woven wire demister, and its opening part is covered with a woven wire.
9. vaporizer as claimed in claim 1 is characterized in that, this container is the cylinder body that is horizontally set with, and this cylinder body perisporium is provided with some connectors.
10. one kind like the application of any described vaporizer in liquid phase methanol dehydration dimethyl ether-preparing technology in the claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102051002A CN101769593B (en) | 2008-12-30 | 2008-12-30 | Vaporizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102051002A CN101769593B (en) | 2008-12-30 | 2008-12-30 | Vaporizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101769593A CN101769593A (en) | 2010-07-07 |
| CN101769593B true CN101769593B (en) | 2012-01-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102051002A Expired - Fee Related CN101769593B (en) | 2008-12-30 | 2008-12-30 | Vaporizer |
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| Country | Link |
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| CN (1) | CN101769593B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106166393B (en) * | 2016-07-26 | 2018-07-27 | 湖南百利工程科技股份有限公司 | A kind of ammonia evaporator with heating coil |
| CN106423036B (en) * | 2016-11-28 | 2019-02-12 | 青岛伊森新材料股份有限公司 | A kind of low consumption reactor tank |
| CN109028547A (en) * | 2018-06-19 | 2018-12-18 | 安徽省宁国市天成电气有限公司 | A kind of PTC liquid heating control system |
| CN108716767A (en) * | 2018-06-19 | 2018-10-30 | 安徽省宁国市天成电气有限公司 | A kind of PTC liquid heater assembly |
| CN108592408A (en) * | 2018-06-19 | 2018-09-28 | 安徽省宁国市天成电气有限公司 | A kind of ptc heater heating component |
| CN108917447A (en) * | 2018-08-07 | 2018-11-30 | 广州市铁鑫金属结构有限公司 | A kind of vaporizer |
| CN109916195A (en) * | 2019-03-18 | 2019-06-21 | 南京蓝胜环保科技有限公司 | A kind of heat recovery heat exchange equipment and method synthesizing exothermic reaction |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0962734A2 (en) * | 1998-06-02 | 1999-12-08 | Electric Boat Corporation | Heat exchanger |
| CN1301335A (en) * | 1997-12-19 | 2001-06-27 | 埃克森美孚上游研究公司 | Process components, containers, and pipes suitable for containing and transporting cryogenic temperature fluids |
| CN2529185Y (en) * | 2002-02-27 | 2003-01-01 | 傅光胜 | Heat exchanger having glass-lined U-bend tube |
-
2008
- 2008-12-30 CN CN2008102051002A patent/CN101769593B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1301335A (en) * | 1997-12-19 | 2001-06-27 | 埃克森美孚上游研究公司 | Process components, containers, and pipes suitable for containing and transporting cryogenic temperature fluids |
| EP0962734A2 (en) * | 1998-06-02 | 1999-12-08 | Electric Boat Corporation | Heat exchanger |
| CN2529185Y (en) * | 2002-02-27 | 2003-01-01 | 傅光胜 | Heat exchanger having glass-lined U-bend tube |
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| Publication number | Publication date |
|---|---|
| CN101769593A (en) | 2010-07-07 |
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Granted publication date: 20120125 Termination date: 20171230 |
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