CN103693699B - Multi-effect vertical tube hydrophilic and breathable distillation apparatus having self heat return function - Google Patents
Multi-effect vertical tube hydrophilic and breathable distillation apparatus having self heat return function Download PDFInfo
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- CN103693699B CN103693699B CN201310693514.5A CN201310693514A CN103693699B CN 103693699 B CN103693699 B CN 103693699B CN 201310693514 A CN201310693514 A CN 201310693514A CN 103693699 B CN103693699 B CN 103693699B
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Abstract
The invention provides a multi-effect vertical tube hydrophilic and breathable distillation apparatus having a self heat return function. Three condensing vertical tubes are sequentially mounted in an embedded manner, and a cylindrical cavity is formed between every two adjacent condensing vertical tubes; bottom end openings of the three condensing vertical tubes are sealed through cover plates, and top end openings are respectively provided with arched end covers; a spiral coil is arranged on the outer surface of the condensing vertical tube on the outer layer; one end of the spiral coil is provided with a feeding original water inlet and the other end is communicated with a feeding original water tank; hydrophilic porous breathable films are arranged on the outer surfaces of the condensing vertical pipes on the middle layer and the inner layer, and a spiral water tank is formed on the outer surface of the condensing vertical pipe not attached with the hydrophilic porous breathable film; round water baffle ribs are formed on the arched end covers on the middle layer and the inner layer; the condensing vertical pipe on the inner layer functions as a heating water tank, and a cover plate on the inner side of the heating water tank is provided with a heater and a drain valve. The distillation apparatus disclosed by the invention can improve utilization efficiency of heat energy through self heat return and latent heat of multi-effect recovery steam condensation, and can improve a demand on freshwater amount by increasing effect number as well as evaporation and condensation areas.
Description
Technical field
The present invention relates to a kind of hydrophilic ventilative water distilling apparatus of multiple-effect vertical tube spiral with self-backheating function, specifically a kind of utilization from backheat and the multiple-effect recovered steam latent heat of condensation improved water distilling apparatus utilization efficiency of heat energy and can imitate number and evaporation, condensation area improve light water demand by increase, to reduce the device of unit volume desalination water cost, belong to water-treatment technology field.
Background technology
At present, the whole world approximately has 500,000,000 people not drink the tap water of clean and safe, and along with approaching in the world the increasing of the regional continuous increase of the Water resources development limit and extreme weather, by 2025, it is above that this numeral will increase by 500, and reaches 2,800,000,000 people.Shortage of fresh water and water surrounding are changed in quality will become the significant obstacle that affects world's Sustainable development, has scholar to propose, and strives now oil, strives water in the future.Solve shortage of fresh water problem, one of most important approach is to seek to utilize sun power or industrial exhaust heat etc. to desalinate seawater or brackish water.Method to seawater or brackish water desalination is a lot, but conventional method is such as reverse osmosis method, distillation method, multistage flash evaporation method and dialysis etc. need to consume a large amount of fossil energies, utilize cost high, and efficiency is low.And also have in the world the fresh water demand of many water-deficient areas relatively to disperse, as brackish water area, inland, coastal fishing village and islands and reefs etc., be obviously unpractical and adopt traditional seawater or brackish water desalination system in these areas.Therefore, develop high-efficiency compact formula seawater or the brackish water desalination device that sun power middle-size and small-size, that attended operation is easy or industrial exhaust heat drive is the study hotspot in this field always.
Summary of the invention
In order to overcome existing seawater, low, the former hydro-thermal inertia of brackish water desalination device capacity usage ratio is large, energy consumption is high and be difficult to the defect of small-scale application, the invention provides a kind of hydrophilic ventilative water distilling apparatus of multiple-effect vertical tube spiral with self-backheating function, can on side area or island, use, and can combine with sun power or industrial exhaust heat, its capacity usage ratio is high and energy consumption is low.
Have the hydrophilic ventilative water distilling apparatus of multiple-effect vertical tube spiral of self-backheating function, this water distilling apparatus comprises three condensation vertical tubes, cover plate, the former water pot of charging, water pump, water inlet pipe, spiral pipe, well heater, hydrophilic porous air-permeable envelope, enters/water discharge valve, injector, interior water eliminator, outer water eliminator, former water discharge pipe, fresh water vent pipe, dome-shaped end cap and circular dash rib;
Installation relation: nested installation successively between three condensation vertical tubes, between adjacent condensation vertical tube, form cylindrical cavity, the bottom end opening of three condensation vertical tubes is by cover closure, top end opening is respectively arranged with dome-shaped end cap, the outside surface of outer condensation vertical tube is provided with spiral pipe, one end of spiral pipe is charging original water inlet, the other end is communicated with the former water pot of charging, the outside surface of middle layer and internal layer condensation vertical tube is provided with spiral helicine hydrophilic porous air-permeable envelope, the condensation vertical tube outside surface that does not adhere to hydrophilic porous air-permeable envelope forms spiral tank, in the dome-shaped end cap of middle layer and internal layer, be provided with circular dash rib, internal layer condensation vertical tube is as heating water tank, on the cover plate of its inner side, be provided with well heater and enter/water discharge valve,
The former water pot of charging is drawn two water inlet pipes respectively to middle layer and the circular dash rib of internal layer top, also draw two water shoots respectively to the spiral tank of middle layer and internal layer condensation vertical tube, on water shoot, be provided with water pump, drainpipe outlet is provided with injector, interior water eliminator and outer water eliminator all arrange on the cover board, in the cavity of interior water eliminator between middle layer and internal layer condensation vertical tube, in the cavity of outer water eliminator between middle layer and outer condensation vertical tube, between interior water eliminator and internal layer condensation vertical tube, cavity between outer water eliminator and middle layer condensation vertical tube is all communicated with dense former water pot through cover plate by former water discharge pipe, between interior water eliminator and middle layer condensation vertical tube, cavity between outer water eliminator and outer condensation vertical tube is all communicated with fresh water tank respectively through cover plate by fresh water vent pipe.
Described water distilling apparatus also comprises spiral water guide rib, is provided with spiral water guide rib in the dome-shaped end cap of middle layer and internal layer, and spiral water guide rib is positioned at circular dash rib inner side.
Described internal layer and outer condensation vertical tube outside surface are processed with cellular pit at hydrophilic porous air-permeable envelope correspondence position.
Described three condensation vertical tubes are circular or oval.
Described injector is duckbill injector.
Described well heater and enter/water discharge valve are replaced by the inlet tube and outlet tube of solar energy collector.
Described well heater and enter/water discharge valve are replaced by electric heater.
Beneficial effect:
(1) the present invention arranges multilayer condensation vertical tube and repeatedly utilizes vapor condenses latent heat, has improved energy utilization efficiency and the water production rate of device; Utilize at condensation vertical tube outside surface and paste the hydrophilic porous air-permeable envelope of spirrillum (such as foamed aluminium), be stored at by former water in the hydrophilic porous air-permeable envelope of condensation vertical tube wall, and can under wicking action, carry out moisturizing to the former water in hydrophilic porous air-permeable envelope by the former water in spiral tank, realize the function of vertical wall water storage in water distilling apparatus, thermal lag is little, device is short start time, increase the heating surface area of former water simultaneously, avoided on vertical wall moisture film cannot realize an equally distributed difficult problem because of gravity; The former water of charging is carried out to backheat, strengthened the condensation effect of outer condensation vertical tube, improved device heat utilization rate, increased the specific yield of identical input heat energy; In a word, the invention solves the latent heat of condensation that existing seawater or brackish water desalination system discharge due to can not be to condensation time and repeatedly reclaim the large and high problem of cost of the energy consumption causing.
(2) the present invention is also provided with spiral water guide rib in dome-shaped end cap, the former water of charging forms flaring spiral water flow under spiral water guide rib and the acting in conjunction of circular dash rib, and under the effect of circular dash rib, in dome-shaped end cap, form the moisture film of Uniform Flow, evenly penetrate in hydrophilic porous air-permeable envelope and evaporate, heat absorption evenly, and compare and only adopt circular dash rib, save material and make the former water distribution of charging more even.
(3) condensation vertical tube inner-wall surface of the present invention is smooth mirror surface, be uniformly distributed multiple cellular pits with under the vertical tube inner-wall surface of spiral helicine hydrophilic porous air-permeable envelope, increase vapor condensation area, destroy the generation of condensation vertical tube condensing surface moisture film, improved the coefficient of heat transfer of condensation vertical tube wall.
(4) injector of the present invention is duckbill, utilize duckbilled injector to be formed with setting-out stream, these current, under centrifugal force and volume suction, are in evaporation cavity, to form micro-negative pressure at narrow and small circular cylindrical cavity, be beneficial to the rising of low-temperature evaporation and the steam of former water, improved the mass transfer coefficient of steam.
(5) the present invention adopts solar energy collector or electric heater to replace well heater and water discharge valve, makes device have distinct energy-saving and emission-reduction feature, and the scope of application is wider.
Brief description of the drawings
Fig. 1 is the structure iron that the present invention has the hydrophilic ventilative water distilling apparatus of multiple-effect vertical tube spiral of self-backheating function.
Fig. 2 is the front view that the present invention has the hydrophilic ventilative water distilling apparatus of multiple-effect vertical tube spiral of self-backheating function.
Fig. 3 is the top plan view that the present invention has the hydrophilic ventilative water distilling apparatus of multiple-effect vertical tube spiral of self-backheating function.
Fig. 4 is the vertical view that the present invention has the hydrophilic ventilative water distilling apparatus dome-shaped end cap of multiple-effect vertical tube spiral of self-backheating function.
Fig. 5 is the device top plan view that the present invention's elliptical cylinder-shape condensation vertical tube replaces cylindrical condensation vertical tube.
Fig. 6 is that heating unit is the enforcement illustration of the hydrophilic ventilative water distilling apparatus of multiple-effect vertical tube spiral with self-backheating function of solar energy collector.
Fig. 7 is that heating unit is the enforcement illustration of the hydrophilic ventilative water distilling apparatus of multiple-effect vertical tube spiral with self-backheating function of electric heater.
Fig. 8 is the structural representation of duckbilled injector of the present invention.
Wherein, the former water pot of 1-charging; 2-water pump; 3-water inlet pipe; 4-heating water tank; 5-spiral water guide rib; 6-honeycomb hole; 7-spiral pipe; 8-spiral tank; 9-well heater; 10-hydrophilic porous air-permeable envelope; 11-enter/water discharge valve; 12-injector; 13-outer water eliminator; 14-former water discharge pipe; 15-fresh water vent pipe; 16-dome-shaped end cap; 17-circular dash rib; 18-solar energy collector; 19-hot water inlet pipe; 20-hot water outlet pipe; 21-electrically heated rod
Embodiment
Below in conjunction with the accompanying drawing embodiment that develops simultaneously, describe the present invention.
As shown in accompanying drawing 1～accompanying drawing 4, the invention provides a kind of hydrophilic ventilative water distilling apparatus of multiple-effect vertical tube spiral with self-backheating function, this water distilling apparatus comprises three columniform condensation vertical tubes, the former water pot 1 of charging, water pump 2, water inlet pipe 3, spiral water guide rib 5, spiral pipe 7, well heater 9, hydrophilic porous air-permeable envelope 10, enter/water discharge valve 11, injector 12, outer water eliminator 13, former water discharge pipe 14, fresh water vent pipe 15, dome-shaped end cap 16 and circular dash rib 17; Wherein hydrophilic porous air-permeable envelope 10 adopts foamed aluminium, and injector 12 is duckbill, as shown in Figure 8.
Installation relation: three condensation vertical tube nested installations successively, between adjacent two layers condensation vertical tube, form two-layer circular cylindrical cavity, the bottom end opening of three condensation vertical tubes is by cover closure, the top end opening of three condensation vertical tubes is respectively arranged with dome-shaped end cap 16, the outside surface of outer condensation vertical tube is provided with spiral pipe 7 from the bottom to top, one end of spiral pipe 7 is charging original water inlet, the other end is communicated with the former water pot 1 of charging, the outside surface of middle layer and internal layer condensation vertical tube is provided with spiral helicine hydrophilic porous air-permeable envelope 10, between adjacent hydrophilic porous air-permeable envelope 10, form spiral tank 8, the condensation vertical tube outside surface that does not adhere to hydrophilic porous air-permeable envelope 10 forms spiral tank 8, in order to increase the reliable attachment of condensation area and the hydrophilic porous air-permeable envelope 10 of guarantee, condensation vertical tube internal surface in hydrophilic porous air-permeable envelope 10 correspondences is processed with cellular pit 6, in the dome-shaped end cap 16 of middle layer and internal layer, be provided with spiral water guide rib 5 and circular dash rib 17, spiral water guide rib 5 is positioned at circular dash rib 17 inner sides, adopt spiral water guide rib 5 to make the former water of charging form helicoidal flow, under the effect of circular dash rib, study of water film distribution is more even, and can also save material, internal layer condensation vertical tube is as heating water tank 4, on the cover plate of its inner side, be provided with well heater 9 and water discharge valve 11.
The former water pot 1 of charging is drawn two water inlet pipes 3 respectively to middle layer and interior helical layer water guide rib 5 tops, also draw two water shoots respectively to the spiral tank 8 of middle layer and internal layer condensation vertical tube, on water shoot, be provided with water pump 2, drainpipe outlet is provided with injector 12, interior water eliminator and outer water eliminator 13 all arrange on the cover board, in the cavity of interior water eliminator between middle layer and internal layer condensation vertical tube, in the cavity of outer water eliminator 13 between middle layer and outer condensation vertical tube, between interior water eliminator and internal layer condensation vertical tube, cavity between outer water eliminator 13 and middle layer condensation vertical tube is all communicated with dense former water pot through cover plate by former water discharge pipe 14, between interior water eliminator and middle layer condensation vertical tube, cavity between outer water eliminator 13 and outer condensation vertical tube is all communicated with fresh water tank respectively through cover plate by fresh water vent pipe 15.
Principle of work: the former water of charging enters into the former water pot 1 of charging through being attached to the spiral pipe 7 of outer condensation vertical tube outside wall surface, the former water of a part flows to dome-shaped end cap 16 surfaces through water inlet pipe 3, spiral water guide rib 5 and 17 effects of circular dash rib through end cover surface form mobile moisture film, then evenly penetrate in spiral helicine hydrophilic porous air-permeable envelope 10, the former water of another part is evenly ejected in spiral tank 8 through the squirt pump 12 of duckbill under water pump 2 effects, under centrifugal force and volume suction, form micro-negative pressure, utilize wicking action to carry out moisturizing to the former water in hydrophilic porous air-permeable envelope 10 simultaneously, well heater 9 in heating water tank 4 makes the heating medium intensification of being heated, and by water discharge valve 11, the amount of heating medium is regulated, heat is passed to the former water of storage in the hydrophilic porous air-permeable envelope 10 adhering in outside wall surface by the wall of internal layer condensation vertical tube, former water is heated and is evaporated to middle layer condensation vertical tube inwall, then condense into fresh water, the latent heat of condensation that steam discharges in condensation process is passed to the former water in the hydrophilic porous air-permeable envelope 10 of middle layer condensation vertical tube outside wall surface through wall, former water is heated and is evaporated to the generation fresh water that condenses on outer condensation vertical tube condensing wall, the fresh water generating in device working process is separated by the outer water eliminator 13 of bottom of device and interior water eliminator with excessive former water, the fresh water producing is pooled in fresh water tank through fresh water vent pipe 15, excessive former water flows in dense former water pot through former water discharge pipe 14.
Fig. 5 is the enforcement illustration that replaces cylindrical condensation vertical tube with elliptical cylinder-shape condensation vertical tube, for easy to process, adopts oval condensation vertical tube to replace cylindrical condensation vertical tube, and its operation logic is consistent with the cylindrical condensation vertical tube of employing.
Fig. 6 is that heating unit is the enforcement illustration of the hydrophilic ventilative water distilling apparatus of multiple-effect vertical tube spiral with self-backheating function of solar energy collector 18, adopt solar energy collector 18 to replace well heater 9, it is in heating water tank 4 that solar energy collector 18 is sent to internal layer condensation vertical tube inner chamber top by hot water by hot water inlet pipe 19, then bottom flow back in solar energy collector 18 through hot water outlet pipe 20, and operation logic is consistent with employing well heater 9.
Fig. 7 is that heating unit is the enforcement illustration of the hydrophilic ventilative water distilling apparatus of multiple-effect vertical tube spiral with self-backheating function of electric heater 21, adopt electric heater 21 to replace well heater 9, in electric heater 21, be arranged on internal layer condensation vertical tube inner chamber, the logical foreign current heating medium heat temperature raising of electric heater 21, operation logic is consistent with employing well heater 9.
The effect number of apparatus of the present invention can suitably increase or reduce according to required fresh water yield, only need increase or reduce outer condensation vertical tube just passable, heating water tank does not need to change, and apparatus of the present invention installation and maintenance are easy in addition, is suitable for tap water production on a small scale on side area, island.
In sum, these are only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (7)
1. one kind has the hydrophilic ventilative water distilling apparatus of multiple-effect vertical tube spiral of self-backheating function, it is characterized in that, this water distilling apparatus comprises three condensation vertical tubes, cover plate, the former water pot of charging (1), water pump (2), water inlet pipe (3), spiral pipe (7), well heater (9), hydrophilic porous air-permeable envelope (10), enters/water discharge valve (11), injector (12), interior water eliminator, outer water eliminator (13), former water discharge pipe (14), fresh water vent pipe (15), dome-shaped end cap (16) and circular dash rib (17);
Installation relation: nested installation successively between three condensation vertical tubes, between adjacent condensation vertical tube, form cylindrical cavity, the bottom end opening of three condensation vertical tubes is by cover closure, top end opening is respectively arranged with dome-shaped end cap (16), the outside surface of outer condensation vertical tube is provided with spiral pipe (7), one end of spiral pipe (7) is charging original water inlet, the other end is communicated with the former water pot of charging (1), the outside surface of middle layer and internal layer condensation vertical tube is provided with spiral helicine hydrophilic porous air-permeable envelope (10), the condensation vertical tube outside surface that does not adhere to hydrophilic porous air-permeable envelope (10) forms spiral tank (8), in the dome-shaped end cap (16) of middle layer and internal layer, be provided with circular dash rib (17), internal layer condensation vertical tube is as heating water tank (4), on the cover plate of its inner side, be provided with well heater (9) and enter/water discharge valve (11),
The former water pot of charging (1) is drawn two water inlet pipes (3) respectively to middle layer and the circular dash rib of internal layer (17) top, also draw two water shoots respectively to the spiral tank (8) of middle layer and internal layer condensation vertical tube, on water shoot, be provided with water pump (2), drainpipe outlet is provided with injector (12), interior water eliminator and outer water eliminator (13) all arrange on the cover board, in the cavity of interior water eliminator between middle layer and internal layer condensation vertical tube, in the cavity of outer water eliminator (13) between middle layer and outer condensation vertical tube, between interior water eliminator and internal layer condensation vertical tube, cavity between outer water eliminator (13) and middle layer condensation vertical tube is all communicated with dense former water pot through cover plate by former water discharge pipe (14), between interior water eliminator and middle layer condensation vertical tube, cavity between outer water eliminator (13) and outer condensation vertical tube is all communicated with fresh water tank respectively through cover plate by fresh water vent pipe (15).
2. the hydrophilic ventilative water distilling apparatus of multiple-effect vertical tube spiral with self-backheating function as claimed in claim 1, it is characterized in that, described water distilling apparatus also comprises spiral water guide rib (5), in the dome-shaped end cap (16) of middle layer and internal layer, be provided with spiral water guide rib (5), spiral water guide rib (5) is positioned at circular dash rib (17) inner side.
3. the hydrophilic ventilative water distilling apparatus of multiple-effect vertical tube spiral with self-backheating function as claimed in claim 1, it is characterized in that, described internal layer and outer condensation vertical tube outside surface are processed with honeycomb hole (6) shape pit at hydrophilic porous air-permeable envelope (10) correspondence position.
4. the hydrophilic ventilative water distilling apparatus of multiple-effect vertical tube spiral with self-backheating function as claimed in claim 1, is characterized in that, described three condensation vertical tubes are circular or oval.
5. the hydrophilic ventilative water distilling apparatus of multiple-effect vertical tube spiral with self-backheating function as claimed in claim 1, is characterized in that, described injector (12) is duckbill injector.
6. the hydrophilic ventilative water distilling apparatus of multiple-effect vertical tube spiral with self-backheating function as claimed in claim 1, it is characterized in that, described well heater (9) and enter/water discharge valve (11) are replaced by the inlet tube and outlet tube of solar energy collector (18).
7. the hydrophilic ventilative water distilling apparatus of multiple-effect vertical tube spiral with self-backheating function as claimed in claim 1, is characterized in that, described well heater (9) and enter/water discharge valve (11) are replaced by electric heater (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310693514.5A CN103693699B (en) | 2013-12-17 | 2013-12-17 | Multi-effect vertical tube hydrophilic and breathable distillation apparatus having self heat return function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310693514.5A CN103693699B (en) | 2013-12-17 | 2013-12-17 | Multi-effect vertical tube hydrophilic and breathable distillation apparatus having self heat return function |
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| CN103693699A CN103693699A (en) | 2014-04-02 |
| CN103693699B true CN103693699B (en) | 2014-12-10 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107155972A (en) * | 2017-06-21 | 2017-09-15 | 厦门中研融源科技有限公司 | A kind of fresh water seawater method for transformation and cyclic utilization system |
| CN109626469B (en) * | 2018-12-18 | 2024-02-02 | 内蒙古工业大学 | Embedded solar sea water distillation plant based on spotlight is directly hot |
| CN112777664B (en) * | 2020-12-31 | 2022-07-22 | 内蒙古工业大学 | Solar seawater distillation device and system based on light condensation and heat collection |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| NL273946A (en) * | 1961-02-08 | |||
| US4762592A (en) * | 1980-10-27 | 1988-08-09 | Li Yao T | Orbital drive evaporator |
| CN2211443Y (en) * | 1995-02-25 | 1995-11-01 | 曹祥龙 | Internal heating multiple pipe water distiller for filling water |
| ES2551140T3 (en) * | 2009-01-12 | 2015-11-16 | Heatmatrix Group B.V. | Thermosiphon Evaporator |
| JP2011173097A (en) * | 2010-02-25 | 2011-09-08 | Sekisui Chem Co Ltd | Film distillation apparatus |
| CN101921005B (en) * | 2010-07-30 | 2012-04-25 | 北京理工大学 | Self-water storage type multi-stage vertical wall falling film condensation and distillation device |
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