CN1298403C - Electric heating type energy-saving evaporator - Google Patents
Electric heating type energy-saving evaporator Download PDFInfo
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- CN1298403C CN1298403C CNB2004100470200A CN200410047020A CN1298403C CN 1298403 C CN1298403 C CN 1298403C CN B2004100470200 A CNB2004100470200 A CN B2004100470200A CN 200410047020 A CN200410047020 A CN 200410047020A CN 1298403 C CN1298403 C CN 1298403C
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- electric heating
- evaporator
- steam
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- cylindrical shell
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Abstract
The present invention discloses an electric heating type energy-saving evaporator which relates to an evaporating device. The evaporator comprises a cylindrical body 4, an electric heating pipe 5, an isolating layer 6, an upper cavity 10, a lower cavity 3, a steam-water separator 11, a steam pipe 8, an overflow pipe 7, a centrifugal pump 2 and a preheater 9. Due to the adoption of a film ascending or descending type evaporating mode, the evaporator has the advantages of large heat transfer coefficients, high evaporation rate, small volume, light weight, good energy saving performance, high work efficiency, etc., and can improve evaporation rate. The evaporator can be widely applied to pharmaceutical factories without steam boilers, food and beverage factories, breweries, hospitals, scientific research departments, etc., and is used for manufacturing pure steam for disinfection. The evaporator can be used for concentrating medicine liquid and fruit juice, preparing distilled water, distillating, separating, etc. Thus, the present invention is an ideal evaporating device.
Description
Technical field
The present invention relates to a kind of evaporation equipment, particularly a kind of electric heating type energy-saving evaporator.
Background technology
At present, the electrical evaporator of producing is the immersion evaporation mode both at home and abroad, and heat transfer coefficient is less, so energy consumption is higher.Its operation principle is: electric heating tube is immersed in the water, and the water back that is heated is evaporated in system, heats because electric heating tube immerses in the water, so exist the elevation of boiling point that is produced by liquid column hydrostatic pressure, evaporation rate is reduced, the energy consumption rising.
Summary of the invention
At the deficiency of the said goods, technical problem to be solved by this invention provides a kind ofly to be had that heat transfer coefficient is big, volume is little, advantage such as in light weight, good energy saving property, operating efficiency height, can improve the evaporator of evaporation rate.
For solving the problems of the technologies described above, the technical solution used in the present invention is: comprise the electrical evaporator that is made of cylindrical shell 4 and the electric heating tubes 5 that are contained in the cylindrical shell 4, steam-water separator 11 also is equipped with in the upper end in the cylindrical shell 4 of electrical evaporator.
The inside of the cylindrical shell 4 of electrical evaporator is separated into two parts cavity 10 and 3 up and down by separation layer 6, and electric heating tube 5 is installed on the bottom of the lower part cavity 3 and the top cavity 10 of cylindrical shell 4 inside.
The separation layer 6 of cylindrical shell 4 inside of electrical evaporator is the material water distributor, and the upper end of its underpart cavity 3 is communicated with by steam pipe 8 with the top of top cavity 10.
The middle and lower part of the top cavity 10 of the cylindrical shell 4 of electrical evaporator is communicated with by overflow pipe 7 with the inside of separation layer 6.
Sleeve pipe 13 is extended to the lower part cavity 3 of cylindrical shell 4 inside in the bottom of separation layer 6, and electric heating tube 5 is installed in the sleeve pipe 13.
Electric heating type energy-saving evaporator of the present invention, owing to adopted falling liquid film or risen the electrical evaporator of film mode, allowing feed liquid be membranaceous on the electric heating tube outer surface flows, the constantly heat that spreads out of in the absorption tube and constantly evaporation, thus evaporation work finished, thereby, its heat transfer coefficient is big, evaporation rate is higher, good energy saving property, high efficiency; Simultaneously, its structure is comparatively simple, and is so volume is little, in light weight.
Description of drawings
Accompanying drawing 1 is the schematic diagram of the present invention when adopting the falling liquid film mode;
Accompanying drawing 2 is that the present invention adopts the schematic diagram when rising the film mode.
The specific embodiment
Below in conjunction with accompanying drawing, describe embodiments of the invention in detail.
Embodiment one:
Present embodiment adopts the falling liquid film mode, by cylindrical shell 4, electric heating tube 5, separation layer 6, two parts cavity 10 and 3, steam-water separator 11, steam pipe 8, overflow pipe 7 and centrifugal pump 2 and preheater 9 constitute up and down.
Electrical evaporator comprises cylindrical shell 4 and the electric heating tube 5 that is contained in the cylindrical shell 4, and the inside of cylindrical shell 4 is separated into two parts cavity 10 and 3 up and down by separation layer 6; Electric heating tube 5 passes separation layer 6, is contained in the bottom of the lower part cavity 3 and the top cavity 10 of cylindrical shell 4 inside; Separation layer 6 is material water distributors; The upper end of the lower part cavity 3 of steam pipe 8 connection cylindrical shells 4 inside and the top of top cavity 10; The inside (promptly expecting in the water distributor) of the middle and lower part of the top cavity 10 of overflow pipe 7 connection cylindrical shells 4 and separation layer 6; Steam-water separator 11 is contained in the upper end of the top cavity 10 of cylindrical shell 4, and steam goes out the top that pipe 12 is connected on top cavity 10; Concentrate goes out the lower end that pipe 1 is contained in the lower part cavity 3 of cylindrical shell 4.
During use, after feed liquid enters preheater 9 interior preheatings via centrifugal pump 2, enter in the top cavity 10 of cylindrical shell 4, at this moment, on the one hand the electric heating tube 5 part pipeline section of bottom that is installed on the top cavity 10 of cylindrical shell 4 inside heats feed liquid, on the other hand, feed liquid is under the gravity effect, enter separation layer 6 (promptly expecting water distributor), because the slit between material water distributor and the electric heating tube 5 is less, feed liquid is distributed evenly on the outer surface of electric heating tube 5, becomes membranaceous liquid stream to flow from top to bottom, the heat that when flowing, spreads out of in the continuous absorption tube and constantly evaporation, thus evaporation work finished.The steam that is produced is guided the top of the top cavity 10 of cylindrical shell 4 inside into by the steam pipe 8 of lower part cavity 3 upper ends that are contained in cylindrical shell 4 inside, and remove mist through steam-water separator 11, go out pipe 12 by the steam on top cavity 10 tops that are connected on cylindrical shell 4 inside and draw.The feed liquid that is not evaporated in the bottom of the lower part cavity 3 of cylindrical shell 4 inside is a concentrate, goes out pipe 1 by the concentrate of lower part cavity 3 lower ends that are contained in cylindrical shell 4 and draws.When the feed liquid liquid level in the top cavity 10 that enters cylindrical shell 4 is higher, feed liquid is guided the inside of separation layer 6 into by the overflow pipe 7 of the position, middle and lower part of the top cavity 10 that is contained in cylindrical shell 4, is distributed to equably equally on the outer surface of electric heating tube 5 to be membranaceous heating evaporation.
Embodiment two:
Present embodiment adopts the film mode that rises, by cylindrical shell 4, electric heating tube 5, separation layer 6, two parts cavity 10 and 3, steam-water separator 11, sleeve pipe 13 and centrifugal pump 2 and preheater 9 constitute up and down.
Electrical evaporator comprises cylindrical shell 4 and the electric heating tube 5 that is contained in the cylindrical shell 4, and the inside of cylindrical shell 4 is separated into two parts cavity 10 and 3 up and down by separation layer 6; Electric heating tube 5 passes separation layer 6, is contained in the bottom of the lower part cavity 3 and the top cavity 10 of cylindrical shell 4 inside; Sleeve pipe 13 is extended to the lower part cavity 3 of cylindrical shell 4 inside in the bottom of separation layer 6, a bit of distance is arranged at the bottom of the lower part cavity 3 of following end distance cylindrical shell 4 inside of sleeve pipe 13, electric heating tube 5 is installed in the sleeve pipe 13, between the inwall of sleeve pipe 13 and electric heating tube 5 outer surfaces less clearance is arranged; Steam-water separator 11 is contained in the upper end of the top cavity 10 of cylindrical shell 4, and steam goes out the top that pipe 12 is connected on top cavity 10; Concentrate goes out the lower end that pipe 1 is contained in the top cavity 10 of cylindrical shell 4.
During use, feed liquid enters in the preheater 9 after the preheatings via centrifugal pump 2, enters in the lower part cavity 3 of cylindrical shell 4, when liquid level is the heating tube straight length
During the position, at this moment, enter between the inwall of sleeve pipe 13 and electric heating tube 5 outer surfaces feed liquid in the gap by electric heating tube 5 ebuillition of heated after, producing a large amount of steam upwards flows along the inwall and the gap between electric heating tube 5 outer surfaces of sleeve pipe 13, the drag force that the steam flow that rises produces with its flow velocity, make feed liquid form membranaceous liquid stream and flow from bottom to top, in flow process, be subjected to thermal evaporation, thereby finish evaporation work along the electric heating tube outer surface.The top that inwall and gap electric heating tube 5 outer surfaces between of the steam that is produced by sleeve pipe 13 flows to the top cavity 10 of cylindrical shell 4 inside, and remove mist through steam-water separator 11, go out pipe 12 by the steam on top cavity 10 tops that are connected on cylindrical shell 4 inside and draw.The feed liquid that is not evaporated in the bottom of the top cavity 10 of cylindrical shell 4 inside is a concentrate, goes out pipe 1 by the concentrate of top cavity 10 lower ends that are contained in cylindrical shell 4 and draws.
Electric heating type energy-saving evaporator of the present invention, be useful for departments such as the pharmaceutical factory that do not have steam boiler, food and drink factory, brewery, hospital, scientific research, can be used for making pure steam and be used for sterilizing, also can be used for soup and concentration of juices, also can be used for distilled water preparation and separated etc.
Claims (3)
1, a kind of electric heating type energy-saving evaporator, the steam-water separator (11) that comprises cylindrical shell (4) and be loaded on the electric heating tube (5) in it and be loaded on upper end in the cylindrical shell (4), cylindrical shell (4) constitutes electrical evaporator with electric heating tube (5); It is characterized in that: by the separation layer (6) that constitutes of material water distributor the inside of the cylindrical shell (4) of electrical evaporator is separated into two parts cavity (10) and (3) up and down, electric heating tube (5) is installed in the bottom and cavity (3) of cavity (10); The upper end of cavity (3) is communicated with by steam pipe (8) with the top of cavity (10).
2, electric heating type energy-saving evaporator according to claim 1 is characterized in that: the middle and lower part of cavity (10) is communicated with by overflow pipe (7) with the inside of separation layer (6).
3, electric heating type energy-saving evaporator according to claim 1 is characterized in that: sleeve pipe (13) is extended to cavity (3) in the bottom of separation layer (6), and electric heating tube (5) is installed in the sleeve pipe (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100470200A CN1298403C (en) | 2004-12-04 | 2004-12-04 | Electric heating type energy-saving evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100470200A CN1298403C (en) | 2004-12-04 | 2004-12-04 | Electric heating type energy-saving evaporator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1657128A CN1657128A (en) | 2005-08-24 |
| CN1298403C true CN1298403C (en) | 2007-02-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100470200A Expired - Fee Related CN1298403C (en) | 2004-12-04 | 2004-12-04 | Electric heating type energy-saving evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1298403C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102417266B (en) * | 2011-12-30 | 2013-04-17 | 河北巴瑞斯科技发展有限公司 | Climbing film type multi-effect water distillator |
| AT515109B1 (en) * | 2013-12-16 | 2015-06-15 | Bertrams Chemieanlagen Ag | Falling film evaporator |
| CN105126368B (en) * | 2015-07-27 | 2017-01-18 | 上海中科易成新材料技术有限公司 | Falling-film evaporator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4020321A (en) * | 1974-03-14 | 1977-04-26 | Boc Limited | Electric heaters |
| CN2158029Y (en) * | 1993-05-24 | 1994-03-02 | 费宁 | Electric heating boiler |
| CN2193489Y (en) * | 1994-05-21 | 1995-03-29 | 关恩正 | Steam producer |
| CN2220582Y (en) * | 1995-04-24 | 1996-02-21 | 大连飞箭电动剪裁机制造厂 | Double-pot heating steam generator |
| JP2002267102A (en) * | 2001-03-07 | 2002-09-18 | Mitsubishi Heavy Ind Ltd | Electric evaporator |
| CN2746346Y (en) * | 2004-11-27 | 2005-12-14 | 曲景春 | Electric heating type energy-saving evaporater |
-
2004
- 2004-12-04 CN CNB2004100470200A patent/CN1298403C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4020321A (en) * | 1974-03-14 | 1977-04-26 | Boc Limited | Electric heaters |
| CN2158029Y (en) * | 1993-05-24 | 1994-03-02 | 费宁 | Electric heating boiler |
| CN2193489Y (en) * | 1994-05-21 | 1995-03-29 | 关恩正 | Steam producer |
| CN2220582Y (en) * | 1995-04-24 | 1996-02-21 | 大连飞箭电动剪裁机制造厂 | Double-pot heating steam generator |
| JP2002267102A (en) * | 2001-03-07 | 2002-09-18 | Mitsubishi Heavy Ind Ltd | Electric evaporator |
| CN2746346Y (en) * | 2004-11-27 | 2005-12-14 | 曲景春 | Electric heating type energy-saving evaporater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1657128A (en) | 2005-08-24 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070207 Termination date: 20131204 |