CN2442986Y

CN2442986Y - Solar distillation purifying collecting device for brackish

Info

Publication number: CN2442986Y
Application number: CN99242967U
Authority: CN
Inventors: 张一尘; 时新宁
Original assignee: Ningxia Academy of Agriculture and Forestry Sciences
Current assignee: Ningxia Academy of Agriculture and Forestry Sciences
Priority date: 1999-09-11
Filing date: 1999-09-11
Publication date: 2001-08-15
Anticipated expiration: 2009-09-11

Abstract

The utility model relates to a solar distillating, purifying and water collecting device for brackish water. The utility model is characterized in that a distillating shed composed of a steel-pipe arch frame and no-drip film with long service life is fully and hermetically covered on a distillating pool arranged in the distillating shed. Brackish water is changed into good-quality drinking water or irrigation water after the brackish water is distillated. The utility model mainly solves the problem of the public drinking water and improves the quality of the drinking water at arid areas with brackish water resources and little rain. The utility model has the advantages of simple structure and convenient maintenance and management without needing power and is suitable for applying to dispersive peasant household of areas with poor-quality water, and meanwhile, the utility model can also be used as sea water desalinating and simple sewage treating devices or some industrial distillating purposes, etc.

Description

The brackish water solar distilling purifies captation

The utility model belongs to water quality desalination treatment unit

The scarcity of water resources is the severe problem that the Construction Technologies in Twenty-one Century mankind face.Northern China, especially the Northwest such as Ningxia, Gansu arid is short of rain, many masses solve the drinking-water problem by Ji Yushuijiao, because of precipitation deficit, only Ningxia just has 1,000,000 peasants to lack tap water, and there are a large amount of brackish water resources this area, can't utilize for a long time, 3.43 ten thousand square kilometres of mountain area, south, Ningxia brackish water drainage areas account for 86.6% of mountain area, south, the Ningxia total area, 400,000,000 meters of run-offs ³, salinity is rolled over dead furrow at the 3.6-4.5 grams per liter, and the golden pheasant ditch is up to more than 7 grams per liters, and the fifties is built 14 reservoirs, 5.3 hundred million meters of total reservoir capacities ³, there are 9 for brackish water, account for total reservoir capacity 75%, some area is irrigated with brackish water, causes plough serious salinization and no longer cultivated of part, the development and use of anxious brackish water to be solved, this area also has 4.02 hundred million meters of groundwater resource ³, brackish water reaches 3.86 hundred million meters ³1.79 ten thousand square kilometres of distribution areas, general salinity is more than 3 grams per liters, high fluorine groundwater almost with the association of hypersalinity water, average fluorine content reaches 3.78mg/L, be subjected to the water of high fluorine content harm masses reach 40 surplus ten thousand people, how to improve high fluorice region masses' drinking water quality, prevent and treat endemy and also be one of problem that this area government and the masses are concerned about the most.This area has beaten big quantity set rainwater cellar for storing things at present, the dry year collection is less than enough water, rely on the NGO automobile to send the water emergency, also build long-distance water diversion project, not only investment is big, the cost height, the maintenance management difficulty, also can only solve the urban water supply problem that inlet is concentrated, big to area, sparsely populated peasant household also is difficult to carry out.

The purpose of this utility model provide a kind of efficiently, practical brackish water solar distilling purifies captation, with development and use brackish water resource, solves the areas of serious masses problem of drinking water, and improves high fluorice region masses' drinking water quality.

The purpose of this utility model is achieved in that dripping a long-lived film by steel pipe bow member and nothing forms the distillation canopy, cover to fully-closed on the distillation pond, by solar radiation, improve temperature, water temperature in the canopy, make the brackish water that adds in the distillation pond be evaporated to steam, aggegation forms drip on film, introduce water collecting basin through the distillation water leg.

Because adopt such scheme, brackish water water quality after distilling obtains fine improvement, reaches the drink water standard, also can make sea water desalinating plant simultaneously.The advantage of this device be simple in structure, without power, be provided with easily, technology is uncomplicated, is convenient to maintenance management, is adapted at the abundance at sunshine, arid area short of rain disperses peasant household to use, the suitable distillation phase of the utility model is the 3-11 month, average collecting water from runoff can reach 1.5kg/m ²Day, the Gao Shikeda 2-2.4kg/m of 6-7 month fine day ²More than day, overcast and rainy decreased average 1/3 to 1/2, collecting water from runoff mainly is subjected to the influence of insolation amount and temperature, and collecting water from runoff distributed and rose with the insolation amount every day, temperature raises and increases, insolation amount, temperature reach when the highest during 14-16, and collecting water from runoff also rises to peak value, descend and descend gradually with insolation amount, temperature, do not evaporate night, annual collecting water from runoff first half of the year is greater than the second half year, the distillation canopy be provided with direction with the north-south collecting water from runoff greater than East West, but difference is little.

The utility model is described in further detail below in conjunction with accompanying drawing and example.

Fig. 1 is a front view of the present utility model

Fig. 2 is a side-view of the present utility model

Fig. 3 is the side-view of the 4-1 distillation water leg of Fig. 1

Fig. 4 is the sectional view that the utility model distillation canopy changes the glass canopy into

Fig. 5 is the sectional view that distillation canopy of the present utility model changes simple and easy canopy type into

Among the figure: 1. steel pipe bow member; 2. there is not the long-lived film of dripping; 3. distillation pond; 4. distillation water leg; The soil box 5.U type catchments (or cement tub); 6. water collecting basin (bucket); 7. flexible pipe catchments; 8. rainwater receiving tank; 9 angle-iron frames; 10. glass; 11.V sections skin water leg; 12. steel pipe post; 13. cover is moulded the pipe iron wire; 14. dropstone; 15. spud pile.

In example shown in Figure 1, drip a long-lived film (2) by steel pipe bow member (1) and nothing covers on the distillation pond with forming the fully-closed of distillation canopy, steel pipe bow member (1) spacing 0.5-1.0m, wide 3.5m establishes distillation pond (3) in the canopy, be that a whole pond or a plurality of pond are formed, beam overall 3-3.2m, high 10-15cm is at the bottom of the pond and ground flat, preferably do heat insulation processing, if Tu Chi then spreads black anti seepage membrane and absorbent cloth, improve steam output, distillation water leg (4) connects into integral body with contact pin, interface is smooth, be coated with seal gum and prevent to leak, be fixed on steel pipe bow member (1) bottom, liftoff 20-35cm place, the 10-15cm gradient is arranged, in order to fixing canopy film (2) with catchment.Distillation water leg (4) below, be right after ground and establish the U type shop film soil box (5) that catchments, not having the long-lived film (2) of dripping covers on soil box (5), brick is pressed in the side, the base is tight with soil pressure, promptly become rainwater receiving tank (8) on the film, reach the multiple effect of catchmenting, the notch that catchments (4 and 5) is connected flexible pipe (7) vaporize water is introduced water collecting basin (6).

In example shown in Figure 3, steaming stays water leg (4-1) to be made up of V-type groove and swallow tail shaped slot, the V-type groove catchments, dovetail-indent is the canopy film fixedly, riveted joint of distillation water leg (4) one side or screw are fixed on the guiding principle pipeline overhead lifting frame (1), simultaneously will not have the long-lived mould of dripping with snakelike spring and go in the swallow tail shaped slot, and canopy film (2) is tightened, inner face is close to the V-type groove, and vaporize water flows into the V-type groove and introduces water collecting basin (6) through the V-type notch flexible pipe (7) that catchments.

In example shown in Figure 4, distillation canopy of the present utility model changes the glass canopy into, and be combined into polylith glass (10) adhesion reverse V-shaped with glass cement, be fixed on the angle-iron frame (9), glass is gone up in (10) base is bonded at V shape iron skin water leg (11) in the airtight distillation pond (3) that covers, and introduces water collecting basin (6) by the flexible pipe that catchments (7).

In example shown in Figure 5, distillation canopy of the present utility model changes simple and easy canopy into, to reduce cost, promptly use two steel pipe posts (12), help pull a cart and mould pipe iron wire (13) in both sides, spud pile (15) is fixing, help pull a cart and mould pipe iron wire (13) dropstone and make frame in steel pipe post (12) top, cover and do not have the long-lived film (2) of dripping, the simple and easy distillation canopy of triangulation is established distillation pond (3) in the canopy, the canopy mould is on bottom U-shaped shop film catchments soil box (or cement tub) (5), brick is pressed in the side, the base is tight with soil pressure, makes full canopy airtight, catchments on the film and directly introduces water collecting basin (6) through the soil box that catchments (5).

Claims

1. one kind is used for the captation that the brackish water solar distilling purifies, and it is characterized in that: drip a long-lived film by steel pipe bow member and nothing and form the distillation canopy, cover to fully-closed on the distillation pond of establishing in the canopy.

2. distillation water leg according to claim 1 is characterized in that: be made up of V-shaped groove and swallow tail shaped slot, be linked to be integral body with contact pin, be fixed on steel pipe bow member bottom.

3. distillation according to claim 1 pond is characterized in that: be made up of single whole pond or a plurality of pond, be above the ground level at the bottom of the pond.

4. distillation canopy according to claim 1 changes the glass canopy into, it is characterized in that: be combined into inverted v-shaped with the adhesion of polylith glass, make shelf with angle steel, airtight covering on the distillation pond even is bonded in the V shape iron skin water leg at the bottom of the glass, and notch is established flexible pipe and introduced water collecting basin.

5. distillation canopy according to claim 1 changes simple and easy canopy into, it is characterized in that: make column with two steel pipes, helping pull a cart and mould the fixing and top of pipe iron wire and help pull a cart and mould pipe iron wire dropstone and make frame in both sides, establishes the distillation pond in the canopy, and covering does not have the long-lived film of dripping.