CN2046500U

CN2046500U - Osmosis type sea-water desalinating apparatus

Info

Publication number: CN2046500U
Application number: CN89200948U
Authority: CN
Inventors: 薛小民; 薛小军
Original assignee: Individual
Current assignee: Individual
Priority date: 1989-01-20
Filing date: 1989-01-20
Publication date: 1989-10-25

Abstract

The utility model discloses an osmosis type sea-water desalinating apparatus made of semi-permeable membranes which is used as substrate materials. The device is of bag shape, the outer surface of the bag is provided with protective net covers, and the outermost layer is provided with an airtight box housing made of aluminium and plastics or flexible package. Solute which can be largely extracted by people is placed or added in the bag, and the concentration difference of the supersaturated solution of the solute and sea-water can be form. The menstruum and the freshwater of sea-water can be directly obtained by filtering, and the utility model has the advantages of simple structure, convenient operation, low cost, stable operational modes; compared with self systems, the utility model has large quantity of water and makes sense for saving lives at sea (in particular to saving single person).

Description

Osmosis type sea-water desalinating apparatus

The utility model is a kind of middle-size and small-size device of processing seawater to make it to supply the people to drink.Particularly a kind of semipermeable membrane principle of utilizing is made, and can relatively large absorption solute (highly concentrated solution of generation) forms with the concentration of seawater difference with interior packing into, can obtain sea water solvent---the vessel assembly of fresh water.The utility model simple structure, mode of operation is stable, and is big from the system water yield, easy to use, cheap relatively.

Known seawater is a kind of aqueous solution that contains 3～3.5% salinities (solute), can't directly drink for the people.Known a series of people can relatively large absorption solute the aqueous solution all can ooze with certain proportioning and seawater formation etc.Such as glucose or fructose water solution (about 20%), glycerin solution (about 10%), glycine solution (about 9%) etc.

Known middle-size and small-size sea water desalinating plant mainly contains distillation method, ion exchange method and reverse osmosis method.Distillation method is with seawater heating vaporization, makes vapor condensation again and obtains fresh water.Method is simple, and the system water yield is big.But this method has device volume bigger, and working conditions is subjected to the defective of the big and big energy-consuming of environmental constraints, especially can't be used for single lifesaving.Ion exchange method, its exemplary device are silver-colored formula zeolite emergency survival ion-exchange medicament.This medicament with sea water mixing after, can generate the insoluble substance precipitation with salinity wherein, thereby isolate fresh water, the defective of this method is that the system water yield is little, the cost costliness.

The reverse osmosis method water generator is that (semi-permeable membranes is that penetrant is had optionally film with a semi-permeable membranes.Be used for mainly containing of sea water desaltination: cellulose acetate membrane ［ dry type and wet type ］ and aromatic polyamide film, its shape, thickness and physical strength all can be formulated according to processing request) be separated out sea-water area and fresh water district and sea-water area apply press greater than penetration of sea water in the machinery pressure, (infiltration be when solution and neat solvent or two kinds of solution that concentration is different under the situation that semi-permeable membranes separates, solvent or than the solvent in the dilute solution by semi-permeable membranes to solution or the phenomenon that spreads than strong solution; Osmotic pressure is to cause that the pressure of infiltration takes place solution, is numerically equal on original solution to stop solvent to enter the mechanical pressure of solution just) make pure water reverse osmosis in the seawater in the fresh water district.The advantage of this method is that power consumption is less, and system back water quality is better, and defective is restricted by high top pressure operation, and equipment is more expensive, uses inconvenience.

Task of the present utility model is made a kind of energy consumption that need not, the little system water yield of volume is big, can be used for single lifesaving, sea water desalinating plant easy to use, cheap.

Task of the present utility model is finished like this: be that basic material is made the bag or the box-shaped vessel that can seal with the semi-permeable membranes.Such as a kind of spherical pockets, or a kind of side's bag that becomes with the bonding tetragon of a slice semi-permeable membranes by a slice film.Can place in the bag or add enter can relatively large absorption solute (such as glucose) so that formation supersaturation (such as 90%) solution during work.Solute also can be in addition with the container folding and unfolding, so that add in the bag.The unlikely physical abuse that is subjected to when using for the protection semipermeable membrane material, the bag outside surface can install guard additional.Be harvesting safety and health, outermost layer of the present utility model one airtight aluminum can be arranged or mould the bag of box, cover or the flexible packing material system of system (when semi-permeable membranes requires to receive and keep with wet type, airtight outer box bag ］ can guarantee that its inside is moistening).Unlikely drift when using is equipped with on the bag and is linked with.

Use the utility model, can put down gently in the seawater with the semi-permeable membranes inner bag by taking out in the outer box (bag).At this moment, place or be added on the supersaturated solution that solute that people in the bag can relatively large absorption can form, will with bag seawater formation outward concentration difference, make seawater solvent---fresh water is in penetrating into bag.This process will proceed between bag interior solution and seawater to form and only wait when oozing.According to the solute difference, the fresh water amount that is penetrated in the bag approximates the several times of former solute to ten several times.The solution that the infiltration back forms can be drunk at leisure for the people.The utility model volume is little, and the system water yield is big, easy to use, cheap.Lifesaving at sea (especially single lifesaving) aspect, of many uses.

Do concrete introduction below in conjunction with a kind of embodiment of the present utility model:

Fig. 1 is the cross-sectional schematic of embodiment.

Fig. 2 is the synoptic diagram that embodiment makes water.

With reference to Fig. 1, in the soft packaging bag (2), encapsulating the system water bag (1) that a semipermeable membrane material is made.The solute (3) that the people can relatively large absorption is housed in system water bag (1).The outer wall of system water bag (1) is equipped with guard (4), is linked with (5) and other adds solute container (6), (7), (8).When present embodiment uses,, soft packaging bag (2) is opened brokenly, take out system water bag (1) and put into seawater (9) with reference to Fig. 2.Through after a while, the fresh water in the seawater (9) will be penetrated in the system water bag (1) and go (indicating with arrow), and system water bag (1) is expanded, as long as sting out one jiao (10) of system water bag this moment, can inhale solution in the drink bag at leisure.Reusing the method for system water bag (1) system water, is that the solute that other adds one of solute container (6), (7), (8) is packed in the system water bag, and the process that repeats the front gets final product.

Claims

1, a kind of middle-size and small-size sea water desaltination (drinking) of mainly making with semipermeable membrane material is installed, and it is characterized in that device is bag shape or box-shaped vessel shape, can seal, and its hollow inside is added with the solute (such as glucose) that the people can relatively large absorption.

2,, it is characterized in that bag shaped device is the bag that is become by bonding its tetragon of a slice film and a slice semi-permeable membranes by the sea water desalinating plant of claim 1 regulation.

3, by the sea water desalinating plant of claim 1 regulation, it is characterized in that device is furnished with adds solute container (6) in addition.

4,, it is characterized in that outermost layer is an aluminum or the box of moulding system cover or soft packaging bag by the sea water desalinating plant of claim 1 regulation.

5, by the sea water desalinating plant of claim 1 regulation, it is characterized in that a bag outside surface adds mat (4).

6,, it is characterized in that being equipped with on the bag and be linked with (5) by the sea water desalinating plant of claim 1 regulation.