A kind of domestic type solar seawater desalination systemTechnical field
The utility model belongs to field of sea water desalting technology, is specifically related to a kind of domestic type solar seawater desalination system.
Background technology
Sea water desaltination utilizes sea water desalinization to produce fresh water.Be the increment technique of increasing income that realizes water resources utilization, can increase fresh water total amount, and be not subject to space-time and weather effect, water quality is good, price is gradually reasonable, can ensure the stable water supply such as coastal Drinking Water for Residents and Industrial Boiler moisturizing.China's wide geographic area still generally lacks electric power so far as rural area, isolated island etc., therefore, under the more nervous condition of China's energy, utilizes sun power preparing fresh from seawater, is to solve fresh water to lack or under-supply important channel.
Method for desalting seawater used has seawater freezing method, electroosmose process, distillation method, reverse osmosis method etc. now.But these methods all exist the defect that need to consume a large amount of fuel or electric power.
Existing solar energy sea water desalination apparatus is mainly divided into two large types: 1, passive type solar energy Distallation systm main drawback: 1) latent heat of steam is not re-used; 2) thermal capacity of seawater is too large; 3) device in natural convection mode confinement the raising of device performance; 2, active solar energy Distallation systm main drawback: 1) equipment cost is relatively high; 2) need to expend certain electric energy, be unfavorable for that outlying islander uses.
Therefore, being badly in need of finding a kind of energy-conservation mode of preparing fresh from seawater (brackish water) solves fresh water and lacks under-supply problem.
Summary of the invention
The utility model, for above shortcoming, is based on solving outlying islander's fresh water sources problem, has designed a kind of easy domestic type solar energy sea water desalination apparatus.This device is combined (active distillation) in conjunction with also being improved by traditional distillation technique (passive type distillation) with bubbling evaporation technique, recycling steam latent heat, both overcome the shortcoming of passive type Distallation systm, make again equipment miniaturization, be more conducive to islander and use.
For realizing the purpose of this utility model, the technical solution adopted in the utility model is:
A kind of domestic type solar seawater desalination system, it is characterized in that, comprise sun power electroplax, electric inflating pump, sea water tank, water inlet pipe, fresh-water tank, fresh water hydraulic pipe, bubbling evaporation unit, multi-stage evaporation unit and U-shaped condenser groove, described sea water tank is arranged on multi-stage evaporation unit top, U-shaped condenser groove is arranged on multi-stage evaporation unit below, and sun power electroplax is connected with electric inflating pump by being provided with electric wire;
Multi-stage evaporation unit comprises support body and aluminium sheet group, and aluminium sheet group is arranged on support body by the left low right high dip of certain angle, and aluminium sheet group top and sea water tank are connected with water inlet pipe, and water inlet control valve is installed above water inlet pipe; Described aluminium sheet group right-hand end top is provided with water distributor, and aluminium sheet group left-hand end is provided with seawater afflux groove and fresh water afflux groove, and wherein: seawater afflux groove is arranged on top, aluminium sheet group end, fresh water afflux groove is arranged on below, aluminium sheet group end; Described aluminium sheet group one side is provided be separated by the up and down inclined tube of two blocks of aluminium sheets of connection, wherein: inclined tube one end is communicated with seawater afflux groove, and the inclined tube the other end is communicated with water distributor; Described aluminium sheet group opposite side is provided with the fresh water hydraulic pipe being communicated with fresh water afflux groove, and described fresh water hydraulic pipe inputs in fresh-water tank;
Described bubbling evaporation unit comprises circular seawater water tank, copper generating tube, plastic disc, circular current collecting plates, circular seawater water tank top is by being provided with buckle by mounted thereto circular current collecting plates, copper generating tube is uniform to be arranged on above circular current collecting plates, and described copper generating tube top is provided with plastic disc; In described circular seawater water tank, be also provided with gas stone, described gas stone is connected with electric inflating pump by being provided with tracheae;
Described aluminium sheet group bottommost is communicated with seawater conduit and inputs in circular seawater water tank, is provided with the input and output of fresh water conduit above circular current collecting plates to fresh-water tank.
Described copper generating tube bottom is provided with the valve being communicated with circular seawater water tank, above the copper generating tube of valve periphery, is also provided with opening.
Described circular current collecting plates bottom surrounding and circular seawater water tank junction are provided with rubber seal.
Described circular seawater water tank top certain altitude is also provided with upflow tube, below is provided with rising pipe.
Described aluminium sheet group top is equipped with crocus cloth.
The utility model has the advantages that: the utility model is combined (active distillation) in conjunction with also being improved by traditional distillation technique (passive type distillation) with bubbling evaporation technique, recycling steam latent heat, both overcome the shortcoming of passive type Distallation systm, make again equipment miniaturization, be more conducive to islander and use.Compared with prior art, the utility model advantage is as follows: 1, install easy, simple to operate; 2, profile is small and exquisite, and floor space is little; 3, have energy-saving effect, all the energy is provided by sun power; 4, installation cost is low, and many group devices can be installed, and increases water production rate; 5, seawater thermal capacity is little, and plant efficiency is high.
Brief description of the drawings
Now next by means of the accompanying drawing of embodiment, the utility model is carried out to brief description.In accompanying drawing:
Fig. 1 shows the structural representation of the utility model domestic type solar seawater desalination system;
Fig. 2 shows the utility model multi-stage evaporation unit structural representation;
Fig. 3 shows the copper generating tube surrounding of the utility model block construction layout drawing;
Fig. 4 shows the utility model domestic type solar seawater desalination system workflow diagram;
Fig. 5 shows the structural arrangement detail drawing of the utility model domestic type solar seawater desalination system aluminium sheet group and surrounding thereof.
In figure: 1, sun power electroplax, 2, electric wire, 3, electric inflating pump, 4, tracheae, 5, gas stone, 6, rising pipe, 7, circular seawater water tank, 8, upflow tube, 9, circular current collecting plates, 10, seawater conduit, 11, fresh water conduit, 12, copper generating tube, 13, plastic disc, 14, sea water tank, 15, water inlet pipe, 16, water inlet control valve, 17, aluminium sheet group, 19, support body, 21, crocus cloth, 22, buckle, 23, water distributor, 24, fresh-water tank, 25, fresh water hydraulic pipe, 26, fresh water afflux groove, 27, seawater afflux groove, 28, inclined tube, 29, rubber seal, 30, valve, 100, bubbling evaporation unit, 121, opening, 171, the first aluminium sheet, 172, the second aluminium sheet, 173, the 3rd aluminium sheet, 174, the 4th aluminium sheet, 175, the 5th aluminium sheet, 176, the 6th aluminium sheet, 177, the 7th aluminium sheet, 200, multi-stage evaporation unit, 300, U-shaped condenser groove.
Embodiment
Below in conjunction with specific embodiment, the utility model is elaborated.Following examples will contribute to those skilled in the art further to understand the utility model, but not limit in any form the utility model.It should be pointed out that to those skilled in the art, without departing from the concept of the premise utility, can also make some distortion and improvement.These all belong to protection domain of the present utility model.
As shown in the figure, a kind of domestic type solar seawater desalination system, comprise sun power electroplax 1, electric inflating pump 3, sea water tank 14, water inlet pipe 15, fresh-water tank 24, fresh water hydraulic pipe 25, bubbling evaporation unit 100, multi-stage evaporation unit 200 and U-shaped condenser groove 300, described sea water tank 14 is arranged on multi-stage evaporation unit 200 tops, U-shaped condenser groove 300 is arranged on multi-stage evaporation unit 200 belows, and sun power electroplax 1 is connected with electric inflating pump 3 by being provided with electric wire 2;
Multi-stage evaporation unit 200 comprises support body 19 and aluminium sheet group 17, aluminium sheet group 17 is arranged on support body 19 by the left low right high dip of certain angle, such object is that the seawater with difference of altitude is easier to flow, increased the temperature head between aluminium sheet group 17 simultaneously, favourable vapor condensation, in the present embodiment, the quantity of aluminium sheet group 17 is seven, except top the first aluminium sheet 171 is independent one, every adjacent two aluminium sheets are a small group from top to bottom, be divided into the second aluminium sheet 172 and the 3rd aluminium sheet 173, the 4th aluminium sheet 174 and the 5th aluminium sheet 175, three groups of the 6th aluminium sheet 176 and the 7th aluminium sheet 177, two aluminium sheets, second aluminium sheet 172 at aluminium sheet group 17 tops and the 3rd aluminium sheet 173 are connected with water inlet pipe 15 with sea water tank 14, water inlet pipe 15 is provided with water inlet control valve 16 above and controls seawater and quantitatively input in multi-stage evaporation unit 200, described aluminium sheet group 17 right-hand end tops are provided with water distributor 23, aluminium sheet group 17 left-hand ends are provided with seawater afflux groove 27 and fresh water afflux groove 26, wherein: seawater afflux groove 27 is arranged on aluminium sheet group 17 tops, end and collects the seawater that aluminium sheet group 17 top oblique flows get off, fresh water afflux groove 26 is arranged on aluminium sheet group 17 belows, end and collects the fresh water that aluminium sheet group 17 is evaporated, aluminium sheet group 17 1 sides are provided be separated by the up and down inclined tube 28 of two blocks of aluminium sheets of connection, in the present embodiment, the quantity of inclined tube 28 is 5, they are respectively used to, and the second aluminium sheet 172 is connected with the 4th aluminium sheet 174, the 3rd aluminium sheet 173 is connected with the 5th aluminium sheet 175, the 4th aluminium sheet 174 is connected with the 6th aluminium sheet 176, the 5th aluminium sheet 175 is connected with the 7th aluminium sheet 177, the 6th aluminium sheet 176 is connected with in the middle of the 7th aluminium sheet 177, wherein: inclined tube 28 one end are communicated with seawater afflux groove 27, inclined tube 28 the other ends are communicated with water distributor 23, described aluminium sheet group 17 opposite sides are provided with the fresh water hydraulic pipe 25 being communicated with fresh water afflux groove 26, and described fresh water hydraulic pipe 25 inputs in fresh-water tank 24,
Bubbling evaporation unit 100 comprises circular seawater water tank 7, copper generating tube 12, plastic disc 13, circular current collecting plates 9, circular seawater water tank 7 tops are by being provided with buckle 22 by mounted thereto of circular current collecting plates 9, copper generating tube 12 is uniform to be arranged on above circular current collecting plates 9, and described copper generating tube 12 tops are provided with plastic disc 13; In described circular seawater water tank 7, be also provided with gas stone 5, described gas stone 5 is connected with electric inflating pump 3 by being provided with tracheae 4;
Aluminium sheet group 17 bottommosts are communicated with seawater conduit 10 and input in circular seawater water tank 7, and circular current collecting plates 9 is provided with 11 input and output of fresh water conduit to fresh-water tank 24 above.
Copper generating tube 12 bottoms are provided with the valve 30 being communicated with circular seawater water tank 7, and the copper generating tube 12 of valve 30 peripheries is also provided with opening 121 above and exports for fresh water.Circular current collecting plates 9 bottom surroundings and circular seawater water tank 7 junctions are provided with rubber seal 29; Described circular seawater water tank 7 top certain altitudes are also provided with upflow tube 8 and prevent that circular seawater water tank 7 maritime interior waters are too much, below is provided with rising pipe 6 for seawater high concentration is discharged.Aluminium sheet group 17 tops are equipped with crocus cloth 21 makes seawater evenly flow into below from top.
Please continue to refer to Figure of description, principle of work of the present utility model is: sea water tank 14 maritime interior waters enter aluminium sheet group 17 by water inlet pipe 15, the U-shaped condenser groove 300 of aluminium sheet group 17 belows is by irradiating aluminium sheet group 17 is generated heat aluminium sheet group 17, in aluminium sheet group 17, the heat maximum that the 6th aluminium sheet 176 and the 7th aluminium sheet 177 are subject to, seawater flashes to water vapor adjacent aluminium sheet lower surface precooling above it and is condensed into fresh water and enters in fresh-water tank 24 by fresh water hydraulic pipe 25 flowing into after collecting in fresh water afflux groove 26 again by being heated.
Unevaporated seawater enters in the circular seawater water tank 7 in bubbling evaporation unit 100 by seawater conduit 10, although seawater does not evaporate, but the seawater after processing through multi-stage evaporation unit 200 is very high, external solar electroplax 1 automatic generation makes its running gas stone 5 air feed to circular seawater water tank 7 bottoms by tracheae 4 again to electric inflating pump 3 power supplies, gas stone 5 is inflated to interior beginning of circular seawater water tank 7 like this, and circular seawater water tank 7 inside are in sealed state.Wet air in circular seawater water tank 7 starts upwards to enter copper generating tube 12 by circular current collecting plates 9 valve 30 above, the plastic disc 13 of copper generating tube 12 tops blocks steam, because the material of copper generating tube 12 own is copper, thermal conductivity is strong, wet like this air will be condensed into fresh water on copper generating tube 12 walls, flow down from top by the tube wall of copper generating tube 12 again, fresh water enters above circular current collecting plates 9 by opening 121 while arriving bottommost, and fresh water enters fresh-water tank 24 inside by fresh water conduit 11 again on circular current collecting plates 9.
In sum, the technical scheme that the utility model provides has overcome oneself the shortcoming in technology, has reached utility model object, has embodied the technique effect described in applicant.