CN2451569Y

CN2451569Y - Seawater evaporation water-making device

Info

Publication number: CN2451569Y
Application number: CN00258334U
Authority: CN
Inventors: 张征宇; 朱旦
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-10-25
Filing date: 2000-10-25
Publication date: 2001-10-03
Anticipated expiration: 2010-10-25

Abstract

The utility model discloses a seawater evaporation water-making device. A water storage part of the seawater evaporation water-making device comprises a water storage tank, and the lower part of the water storage tank is provided with a water saving float communicated with a limiting pipe which is connected with water pumping chamber. One side of an evaporation chamber is provided with a heating plate, and the surface of the heating plate is connected closely with a heat delivery surface of a semiconductor refrigerating block; the other side of the evaporation chamber is provided with a transparent glass window. Condensing fins arranged in a condensing chamber form a condensing air passage. The distance of the fins of the condensing fins of the seawater evaporation water-making device is small, and a heat conducting base plate is accordingly fixed with a water scraping device which uses solar energy as water-making energy and uses semiconductor elements as refrigerating components. The condensation temperature of water vapour is increased to reduce the temperature difference of both sides of the semiconductor refrigerating block, and thus the utility model can make water with high efficiency.

Description

Sea water evaporating water-producing apparatus

The utility model relates to a kind of water treating equipment, specifically, relates to a kind of sea water evaporating water-producing apparatus.

Under a lot of situations, such as the coastland, away from the island in continent and the ship of long-term offshore operation, the demand of managing to guarantee the human lives, produce the fresh water of doing without even for a moment out is the human difficult problem of puzzlement all the time.For a long time, people adopt ion-exchange techniques to handle seawater, and are limited because of its turnout eventually to obtain fresh water, inefficiency, and cost is higher, has directly influenced normal needs.Along with the development of technology and the expansion of mankind's activity scope, further increased demand, but also opened up new way simultaneously for the mankind obtain required fresh water from inexhaustible seawater resources to fresh water.In recent years, utilize abundant solar energy source to produce the existing progress that attracts people's attention of technology of fresh water,, made this method day by day ripe particularly in conjunction with development of semiconductor.

China utility model patent CN 98200378.1 has reported a kind of technology of utilizing sun power to collect water from air.This is a kind of device of making water, and it receives sun power with solar panel, converts thereof into electric current and voltage, delivers to semiconductor cooler through change-over circuit.This device uses the refrigeration end of heat pipe to contact with the cooling surface of described semiconducter device, after the fin that contacts with the heat pipe the other end is cooled, airborne hydrogenesis is just arranged on fin, thereby can realize the collection of water.This device is by heat-pipe apparatus, cause its cost and improve, and wherein spacing of fin is bigger, and it is lower to make it coagulate water efficient again, is difficult to satisfy practical required.

The purpose of this utility model is to provide a kind of system water efficient height, particularly can make full use of the sea water evaporating water-producing apparatus of seawater resources.

For achieving the above object, the sea water evaporating water-producing apparatus that the utility model provides comprises: water storage part, evaporator room and condensing chamber, wherein said water storage partly comprises water tank, and described water tank below has water saving float position-limiting tube to communicate with it, in addition the pump hydroecium that communicates with described position-limiting tube; One side is provided with hot-plate in the described evaporator room, the heat delivery surface close proximity of the surface of this hot-plate and conductor refrigeration piece, and another side is a transparent glass window.Described evaporator room partly links to each other with water storage by spray pipe, and communicates with condensing chamber by the air channel.Condensing fin in the described condensing chamber is formed the condensation air flue, and joins by the refrigeration face of heat-conducting substrate and described semiconductor piece.The gap of described condensing fin is very little, correspondingly is fixed with wiper on heat-conducting substrate.

Adopt water-producing apparatus of the present utility model, with sun power is the energy, utilize this abundant system water resources of seawater, and utilize semiconducter device as the refrigeration parts, it is special because the steam condensing temperature is carried every more than 85 ℃, and, the refrigeration face of conductor refrigeration piece and the heat delivery surface temperature difference are significantly reduced, thereby freezing capacity is significantly improved with the heat delivery surface of cooled with seawater semiconducter device to be evaporated.And then again owing to distance between the wing that has dwindled condensing fin, and being used wiper, this has further improved water efficient with fixed attention.So this sea water evaporating water-producing apparatus volume that constitutes is little, simple in structure, and water producing cost and maintenance cost are all very low, because of its system water efficient height, can make water continuously, thereby can fully satisfy fresh water demand widely especially.

Below in conjunction with accompanying drawing, by detailed description, the structure and the working process thereof of the utility model sea water evaporating water-producing apparatus will be made, and advantage is more for clear, wherein to embodiment

Fig. 1 is the overall structure longitudinal section synoptic diagram of a kind of embodiment water-producing apparatus of the utility model;

Fig. 2 is along E-E diagrammatic cross-section that line is got among Fig. 1;

Fig. 3 is along C-C diagrammatic cross-section that line is got among Fig. 1;

Fig. 4 is along D-D diagrammatic cross-section that line is got among Fig. 1;

The longitudinal diagram and the vertical view of used wiper among Fig. 5 a and 5b difference presentation graphs 1 embodiment;

The synoptic diagram of the transmission screw structure among Fig. 6 a presentation graphs 5a embodiment in the wiper, Fig. 6 b are represented the sectional view got along A-A line among Fig. 6 a;

Fig. 7 is the used system water management schematic circuit of body 1 embodiment water-producing apparatus.

Referring to figs. 1 through 4, seawater is introduced water tank 1 (see figure 3) of vaporizer, under the self gravitation effect, the seawater in the water tank 1 flows to the water saving float position-limiting tube 2 of below, again from the side opening inflow pump hydroecium 3 of this position-limiting tube 2.Along with the rising of the water surface in the pump hydroecium, water saving float 4 is subjected to the effect of buoyant of sea water, final plant closure water-saving valve 5.During system water, water saving float 4 descends with the pump hydroecium water surface, and water-saving valve 5 reopens, and the seawater in the water tank flows down; And so forth.

Seawater in the pump hydroecium 3 is pumped into delivery hose 7 by water pump 6, is sent to spray pipe 8 (see figure 1)s then, and seawater evenly drops on the surface of teaching heater plate 9 along the effluent trough of spray pipe 8.Sunlight sees through sheet glass 10, and seawater hot-plate 9 is heated up; Seawater hot-plate 9 heats up under heat delivery surface 111 effects of conductor refrigeration piece 11, and the seawater hot-plate 9 after the intensification will be at the seawater heating evaporation of its surface flow.

Preferably seawater hot-plate 9 is received the one side blacking of sunlight, so that improve the assimilated efficiency of sun power.

The seawater steam of aforementioned evaporation is sent into the condensation air flue (see figure 2) of condensing fin 16 compositions that are installed in the condensing chamber 15 through the air quantity hole 14 in air channel 13 by axial fan 12, pass through air outlet 17 (see figure 3)s of condensing chamber 15 then, inflow pump hydroecium 3 returns evaporator room 19 through return air inlet 18 again.

The contained heat of flowing through in the damp atmosphere of condensing fin 16 fin 16 that is condensed absorbs, and passes to the refrigeration face 112 of conductor refrigeration piece 11 by condensation heat-conducting substrate 20.Under the effect of peltier effect, conductor refrigeration piece 11 will be passed to the heat of its refrigeration face 112 and pass to described heat delivery surface 111, and pass to the seawater of coastal heater plate surface flow by seawater hot-plate 9.

Seawater hot-plate 9 in the present embodiment is made by stainless steel.

The contained heat of flowing through in the damp atmosphere of condensing fin 16 16 absorptions of wing that are condensed are reduced to below the dew point temperature of damp atmosphere, and at this moment, moisture contained in the air is just separated out, and is condensed into water on the surface of condensing fin 16.

Condensation heat-conducting substrate 20 is close on the refrigeration face 112 of conductor refrigeration piece 11, and seawater hot-plate 9 is close on the heat delivery surface 111 of conductor refrigeration piece 11.For guaranteeing the good heat conductive performance of contact surface between them, coated with thermally conductive silicone grease on these two pairs of surface in contacts.According to product different capacity needs, place the space filling-foam plastics 21 between 11, two substrates of one or more conductor refrigeration piece between condensation heat-conducting substrate 20 and the seawater hot-plate 9.Specifically, used refrigerating block selects for use 4 TECI-12708 type refrigerating block serial connections to form in the present embodiment water-producing apparatus.Two substrates connect with bolt, again from right-hand embedding housing 22, and are screwed.With in the locating slot on the spray pipe 8 insertion housings 22 (shown in the label B among Fig. 4), connect delivery hose 7, water pump 6 again.

In the float 4 of will economizing on water is packed water saving float position-limiting tube 2 into from the top, with the water tank 1 pump hydroecium 3 of packing into.

In the seal groove (shown in the label A among Fig. 1) on the rubber seal 23 embedding housings 22, with screw sheet glass 10 is fixed on the housing 22, make sheet glass 10 compress sealing-ring 23.For improving heat insulation effect, can adopt double glazing.

Condensation heat-conducting substrate 20 forms with the non-ferrous metal die casting of condensing fin 16 by good heat conductivity, or by the non-ferrous metal band brake forming of good heat conductivity, for back kind situation, should adopt soldering to be welded on the condensation heat-conducting substrate 20.Specifically, the described condensing fin of present embodiment 16 is made by aluminium alloy.The surface spraying of condensing fin 16 is such as low-surface-energy materials such as poly-tetrafluoros alkene.For improving condensation efficiency, present embodiment is designed to be not more than 1.5mm with distance between the wing of condensing fin 16; Be preferably 1mm.This is more much smaller than distance between the wing of the condensing fin 3mm that gets in the existing semi-conductor captation.Therefore for preventing to cause that the water that coagulates on condensing fin 16 gathers, and then cause the condensation air flue blocked, even cause making water and stop, the utility model is set up wiper 24, and it can scrape off agglomerative water droplet on the condensing fin 16 at any time.

Employing has the water-producing apparatus of structure like this, can make present embodiment under equal electric power and volume conditions, and the theoretical water-making ability that heats captation than the nothing that adopts the wing spacing more than the 3mm exceeds 500% (promptly 5 times).

With reference to Fig. 5 a and 5b, provide the structural representation of the used wiper 24 of present embodiment water-producing apparatus.Wherein Fig. 5 a represents the longitudinal diagram of described wiper, and Fig. 5 b represents its vertical view.As shown in the figure, described wiper assembly is made up of blade 25, motion slide block 26, transmission screw 27 and guide path 28.So the wiper assembly that constitutes is installed on the aforementioned condensation heat-conducting substrate 20 by guide path 28 usefulness screws.Specifically, described wiper 24 comprises motion slide block 26 and the blade 25 that is fixed thereon, and motion slide block 26 is sleeved on the transmission screw 27; Also comprise the servomotor 31 that drives transmission screw 27; Between the axial both sides of transmission screw 27 and the motion slide block 26 transmission pearl 29 is housed respectively, transmission pearl 29 is positioned at the screw thread on the transmission screw 27.

Blade 25 injection moldeds, the metallic membrane of plating one deck high surface energy on it then also can be by wire (sheet) brake forming of high surface energy.It is sleeved on the motion slide block 26; Motion slide block 26 have two axial distances about 0.5 times to the transmission pearl 29 of pitch, they are distributed in the relative both sides of transmission screw 27.Motion slide block 26 is installed on the transmission screw 27 with interlaced helical by two axial motion pilot holes.Transmission screw 27 is installed in the axis hole at guide path 28 two ends, and an end is spacing by spacing steel disc 30, and the rotating shaft of the other end and servomotor 31 is integrated.The servomotor 31 that is installed on the guide path 28 directly drives transmission screw 27.Because transmission screw 27 has left-handed motion thread staggered, that pitch is identical and the dextrorotation motion thread (is seen Fig. 6 a), the connective slot 32 (seeing Fig. 6 a and Fig. 6 b) that the about 0.5 times of position to pitch of transmission screw 27 two ends screw thread ends all has a suitable hand of spiral that two screw threads are connected.When transmission pearl 29 when left hand thread enters right hand thread, the relative spiral angle of two transmission pearls 29 changes, at this moment, be installed in the transmission pearl 27 of spring locking plate 33 1 sides, will be under the effect of spiral power the spacing rivet 34 of jack-up, enter the room, opposite, thereby adapt to the variation of relative spiral angle.

So the unidirectional rotation of transmission screw 27 just can make motion slide block 26 drive the wing intercropping straight line back and forth movement of blade 25 at condensing fin 16, will scrape attached to the knot water on condensing fin 16 surfaces.The pipeline 35 of the water droplet that is scraped through being communicated with water receiving tank flows into water tank 36.

The service voltage of present embodiment water-producing apparatus is direct current 15V, rated output 30W.

The following pilot circuit that wiper is described with reference to Fig. 7.It is by the time delay circuit I, the logical circuit II, and the power amplification circuit III is formed.Described time delay circuit I is by capacitor C 1, resistance R 1, R2, and time-base integrated circuit IC1 forms.The time-delay voltage signal is sent to the CP1 end of positive rise J-K flip flop IC2 through diode D3.

Behind system water after a while, electrical condenser C1 finishes charging and discharges the electric charge of being deposited, basis set became output terminal 3 upset of IC circuit 1 and when being in high level at that time, produce a high level signal, trigger the CP1 end of positive rise J-K flip flop IC2, make the Q1 end of positive rise J-K flip flop IC2 be in high level, this high level signal is converted to the electric current that drives wiper servomotor M1 (being the motor 31 among Fig. 5 a) by the base stage of resistance R 3 arrival pliotron T1 through this triode.

When blade 25 is got back to original position, the light of blocking optoelectronic switch, optoelectronic switch provides high level signal, be sent to J1 end, the K1 end of positive rise J-K flip flop IC2, become low level signal through reverser G1 again, one the road delivers to SD1 end, the RD1 end of positive rise J-K flip flop IC2, and another road becomes high level signal through reverser G2, is sent to the A end with door G3.With the B end signal of door G3 Q1 end from positive rise J-K flip flop IC2.Owing to get back to the moment of original position when blade 25, the Q1 end of positive rise J-K flip flop IC2 is in high level, so produce high level signal with the Y end of door G3, trigger the CP1 end of positive rise J-K flip flop IC2 through diode D2, make the Q1 end upset of the positive rise J-K flip flop IC2 that is in high level, become lower level, so the electric current of pliotron T1 drives interrupts wiper servomotor MI.

The power supply IV of present embodiment water-producing apparatus also is shown among Fig. 7, and it is by solar cell DC1, and diode D1 and secondary battery DC2 constitute.Solar cell DC1 produces electric current under effect of sunlight, charge by diode D1 accumulators group DC2, and power to water-producing apparatus.Diode D1 in the circuit rises and prevents that secondary battery DC2 reversal of current from flowing into solar cell, makes secondary battery DC2 in accumulation of energy, steadily the service voltage of solar cell DC1.

Claims

1. sea water evaporating water-producing apparatus, it comprises: water storage part, evaporator room and condensing chamber, and wherein said water storage partly comprises water tank, it is characterized in that, described water tank below has water saving float position-limiting tube to communicate with it, in addition the pump hydroecium that links to each other with described position-limiting tube; One side in the described evaporator room is provided with hot-plate, the heat delivery surface close proximity of the surface of this hot-plate and conductor refrigeration piece; Described evaporator room partly links to each other with water storage by spray pipe, and communicates with condensing chamber by the air channel; The another side of described evaporator room is a transparent glass window; Condensing fin in the described condensing chamber is formed the condensation air flue, and joins by the refrigeration face of condensation heat-conducting substrate and described semiconductor piece; The gap of described condensing fin is very little, correspondingly is fixed with wiper on the condensation heat-conducting substrate.

2. sea water evaporating water-producing apparatus as claimed in claim 1 is characterized in that, distance is less than or equal to 1.5mm between the wing of described condensing fin (16).

3. sea water evaporating water-producing apparatus as claimed in claim 2 is characterized in that, distance is 1mm between the wing of described condensing fin (16).

4. as each described sea water evaporating water-producing apparatus of claim 1 to 3, it is characterized in that, the blade (25) that described wiper (24) comprises motion slide block (26) and is fixed thereon, motion slide block (26) is sleeved on the transmission screw (27); Also comprise the servomotor (31) that drives transmission screw (27); Between the axial both sides of transmission screw (27) and the motion slide block (26) transmission pearl (29) is housed respectively, transmission pearl (29) is positioned at the screw thread on the transmission screw (27).

5. sea water evaporating water-producing apparatus as claimed in claim 4 is characterized in that, described transmission screw (27) has left-handed motion thread staggered, that pitch is identical and dextrorotation motion thread.

6. sea water evaporating water-producing apparatus as claimed in claim 4 is characterized in that, the axial distance of last two the transmission pearls of described motion slide block (26) (29) about 0.5 times to pitch.

7. as each described sea water evaporating water-producing apparatus of claim 1 to 3, it is characterized in that the heat delivery surface (111) of described conductor refrigeration piece (11) and refrigeration face (112) apply heat-conducting silicone grease respectively with on the surface in contact of seawater hot-plate (9) and condensation heat-conducting substrate (20).

8. sea water evaporating water-producing apparatus as claimed in claim 7 is characterized in that, described seawater hot-plate (9) is made by stainless steel.

9. sea water evaporating water-producing apparatus as claimed in claim 1 or 2 is characterized in that, described condensing fin (16) is made by aluminium alloy.