CN104208884A - Falling film type evaporator - Google Patents
Falling film type evaporator Download PDFInfo
- Publication number
- CN104208884A CN104208884A CN201410470731.2A CN201410470731A CN104208884A CN 104208884 A CN104208884 A CN 104208884A CN 201410470731 A CN201410470731 A CN 201410470731A CN 104208884 A CN104208884 A CN 104208884A
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- CN
- China
- Prior art keywords
- separation chamber
- heating
- liquid distributor
- film type
- falling film
- 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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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention discloses a falling film type evaporator. The falling film type evaporator comprises a feed liquid distributor, a heating chamber and a separation chamber, wherein the feed liquid distributor is arranged at the top end of the heating chamber; a flow guide pipe is arranged on the feed liquid distributor; the flow guide pipe is connected with a heating pipe in the heating chamber; the separation chamber is arranged at the bottom of the heating chamber; the heating chamber is connected with the separation chamber by virtue of a falling pipe; a separator is arranged in the separation chamber; a feeding hole is formed in the top end of the feed liquid distributor; a heating steam inlet and a condensate water outlet are formed in one side of the heating chamber; a second steam hole is formed in the top end of the separation chamber; a discharging hole is formed in the bottom of the separation chamber. The falling film type evaporator is free of hydrostatic effect, uniform in material boiling point, high in heat transfer coefficient and short in residence time; meanwhile, the falling film type evaporator is unlikely to scale; the service life is prolonged; the production cost is reduced.
Description
Technical field
The present invention relates to the technical field of evaporimeter, be specially a kind of downward film evaporator.
Background technology
The method of conventional evaporation heating, is heated to boiling situation by the solution containing fixedness solute, partial solvent is vaporized and is removed, thus improve the device of solute concentration in solvent, be called evaporimeter in the industrial production.Evaporimeter is the workpiece of concentrator, and it comprises heating clamber, separation chamber's two parts.The effect of heating clamber is that steam heats the feed liquid be concentrated by heat exchanger, makes wherein moisture vaporization.The steam generated in feed liquid is called indirect steam.The effect of separation chamber is gone out at the fluid separation applications of entrained with in indirect steam.
The feature of non-circulation type evaporimeter be feed liquid in device through once heating, vaporizing and separation process, meet the requirements of the degree of depth when leaving, feed liquid does not circulate, and in device, the time of staying is short, and this is favourable to the evaporation of thermal sensitivity feed liquid.But the shortcoming of conventional film-rising evaporator is the accumulation of feed liquid in pipe bottom, and this not only causes hydrostatic effects conduct heat, the also time of contact of prolongation feed liquid in pipe, make easily scale formation to occur in the middle part of pipe.
Therefore, a kind of new technical scheme is provided for the problems referred to above the present invention spy.
Summary of the invention
The object of this invention is to provide the downward film evaporator that a kind of structure is simple, heat transfer coefficient is high and less scaling.
The present invention is achieved through the following technical solutions:
A kind of downward film evaporator, comprise liquid distributor, heating clamber and separation chamber, described liquid distributor is located at heating clamber top, and described liquid distributor is provided with mozzle, and described mozzle is connected with the heating tube in heating clamber; Be provided with separation chamber bottom described heating clamber, described heating clamber is connected by down-comer with separation chamber, is provided with separator in described separation chamber; Described liquid distributor top is provided with charging aperture, and described heating clamber side is provided with heating steam import and condensation-water drain, and top, described separation chamber is provided with indirect steam mouth, is provided with discharging opening bottom separation chamber.
Further, described liquid distributor is provided with slot, and described slot is located at heating tube upper end.
The invention has the beneficial effects as follows: the present invention is without hydrostatic effect, and material boiling point is even, and heat transfer coefficient is high, and the time of staying is short, and less scaling, improves service life, reduces production cost.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described further.
Fig. 1 is the structural representation of a kind of downward film evaporator of the present invention;
Fig. 2 is the structural representation of liquid distributor of the present invention.
Wherein: 1, liquid distributor, 2, heating clamber, 3, separation chamber, 4, mozzle, 5, heating tube, 6, down-comer, 7, separator, 8, charging aperture, 9, heating steam import, 10, condensation-water drain, 11, Second Automobile Works's steam port, 12, discharging opening, 13, slot.
Detailed description of the invention
A downward film evaporator as shown in Figure 1 and 2, comprises liquid distributor 1, heating clamber 2 and separation chamber 3, and liquid distributor 1 is located at heating clamber 2 top, and liquid distributor 1 is provided with mozzle 4, and mozzle 4 is connected with the heating tube 5 in heating clamber 2; Be provided with separation chamber 3 bottom heating clamber 2, heating clamber 2 is connected by down-comer 6 with separation chamber 3, is provided with separator 7 in separation chamber 3; Liquid distributor 1 top is provided with charging aperture 8, heating clamber 2 side is provided with heating steam import 9 and condensation-water drain 10, and top, separation chamber 3 is provided with indirect steam mouth 11, is provided with discharging opening 12 bottom separator 3, liquid distributor 1 is provided with slot 13, and slot 13 is located at heating tube 5 upper end.
During operation, feed liquid enters from top, through liquid distributor 1, feed liquid is evenly distributed in every root heating tube 5, and makes it be membranaceous dirty along tube wall, and liquid film absorbs heat from tube wall, carburation by evaporation.The present invention is without hydrostatic effect, and material boiling point is even, and heat transfer coefficient is high, and the time of staying is short, and less scaling, improves service life, reduces production cost.
Claims (2)
1. a downward film evaporator, comprises liquid distributor, heating clamber and separation chamber, it is characterized in that: described liquid distributor is located at heating clamber top, and described liquid distributor is provided with mozzle, and described mozzle is connected with the heating tube in heating clamber; Be provided with separation chamber bottom described heating clamber, described heating clamber is connected by down-comer with separation chamber, is provided with separator in described separation chamber; Described liquid distributor top is provided with charging aperture, and described heating clamber side is provided with heating steam import and condensation-water drain, and top, described separation chamber is provided with indirect steam mouth, is provided with discharging opening bottom separation chamber.
2. a kind of downward film evaporator according to claim 1, it is characterized in that: described liquid distributor is provided with slot, described slot is located at heating tube upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410470731.2A CN104208884A (en) | 2014-09-16 | 2014-09-16 | Falling film type evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410470731.2A CN104208884A (en) | 2014-09-16 | 2014-09-16 | Falling film type evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104208884A true CN104208884A (en) | 2014-12-17 |
Family
ID=52091037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410470731.2A Pending CN104208884A (en) | 2014-09-16 | 2014-09-16 | Falling film type evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104208884A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105854323A (en) * | 2016-05-09 | 2016-08-17 | 覃景壮 | Falling-film evaporator balance device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5246541A (en) * | 1991-05-14 | 1993-09-21 | A. Ahlstrom Corporation | Evaporator for liquid solutions |
| CN1678379A (en) * | 2002-08-28 | 2005-10-05 | 思特里斯欧洲公司苏门西维利克 | Method and device for the production of purified steam |
| CN203208705U (en) * | 2013-05-06 | 2013-09-25 | 张健 | Falling film evaporator |
| CN203436838U (en) * | 2013-08-26 | 2014-02-19 | 瓮福（集团）有限责任公司 | Film distributor of vertical type falling-film evaporator |
-
2014
- 2014-09-16 CN CN201410470731.2A patent/CN104208884A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5246541A (en) * | 1991-05-14 | 1993-09-21 | A. Ahlstrom Corporation | Evaporator for liquid solutions |
| CN1678379A (en) * | 2002-08-28 | 2005-10-05 | 思特里斯欧洲公司苏门西维利克 | Method and device for the production of purified steam |
| CN203208705U (en) * | 2013-05-06 | 2013-09-25 | 张健 | Falling film evaporator |
| CN203436838U (en) * | 2013-08-26 | 2014-02-19 | 瓮福（集团）有限责任公司 | Film distributor of vertical type falling-film evaporator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105854323A (en) * | 2016-05-09 | 2016-08-17 | 覃景壮 | Falling-film evaporator balance device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141217 |