Abstract
The invention relates to liquid purification systems with filtration membranes application, intended for liquid purification and desalination, predominantly water from different recourses, including drinking water, process medium, drainage, drinks and other liquids in household or technical conditions, in country and suburban and garden plots. Liquid purification system comprising raw liquid supply line, liquid purification unit, connected to raw liquid supply line, purified liquid line, connected to purified liquid outlet of the liquid purification unit, and drainage liquid line, connected to drainage liquid outlet of the liquid purification unit, besides liquid purification unit comprises at least two membranes in a shells and connected to each other through two collectors, characterized in that collector is formed by at least two elements, communicating between each other through the adapter plugs and connected between each other with fastener.
Claims
1. Liquid purification system comprising raw liquid supply line, liquid purification unit, connected to raw liquid supply line, purified liquid line, connected to purified liquid outlet of the liquid purification unit, and drainage liquid line, connected to drainage liquid outlet of the liquid purification unit, besides liquid purification unit comprises at least two membranes in a shells and connected to each other through two collectors, characterized in that each collector is formed by at least two elements, communicating between each other through the adapter plugs and connected between each other with fastener.
2. Liquid purification system according to the claim 1, characterized in that and connection between collectors and adapters is threadless, and adapter plugs are equipped with stoppers, made as clamps.
3. Liquid purification system according to the claim 1, characterized in that may comprise recirculation line, connected to drainage liquid line and to raw liquid supply line before liquid purification unit input.
4. Liquid purification system according to the claim 1, characterized in that liquid purification unit may additionally comprise coupling element.
5. Liquid purification system according to the claim 1, characterized in that liquid purification unit may additionally comprise membrane empty shell.
Description
BRIEF DESCRIPTION OF DRAWINGS
[0020] Liquid purification system example is given on the FIG. 1.
[0021] Examples of series (a) and parallel (b) membrane connection are given on the FIG. 2.
[0022] Examples of series-parallel connection (c) and system with recirculation (d) are given in the FIG. 3.
[0023] Adapter plug is given in the FIG. 4.
[0024] Fitting is given in the FIG. 5.
[0025] Coupling element is given on the FIG. 6.
[0026] Liquid purification system comprises raw liquid supply line 1, liquid purification unit 2, connected to raw liquid supply line 1, where pump 13 is installed, purified liquid line 3 and drainage liquid line 4 (FIG. 1). Additionally system may comprise recirculation line 10. In this case, recirculation line 10 is connected to drainage line 4 and to raw liquid supply line 1 before liquid purification unit 2.
[0027] Liquid purification unit 2 comprises at least two membranes 5, communicating with each other through at least two collectors. Each collector is formed from elements. Membranes 5 are placed between these elements. Elements are connected between each other with, at least one fastener (not depicted on the figures), and, at least one adapter plug 8. Inner space of the elements is divided into hollows. Two hollows can be made within one elementelements 6 and 7. In elements 6 and 7 one of the hollows is intended only for purified liquid. The functionality of other one or two hollows depends on how liquid purification unit 2 works. Elements 6 and 7 communicate through adapter plugs 8 (FIG. 4), which connect hollows of adjacent elements. Each adapter plug 8 is equipped with a clamp 9 and additionally may be sealed with rings 10 (FIG. 4). Clamp 9 provides leak resistance and stability of construction during pressure drops and vibrations (FIG. 4). In comparison with claimed invention collector of the closest analogue has no digress of freedom and there is no compensation of stress.
[0028] In liquid purification unit 2 membranes 5 can be connected with each other in series, parallel or series-parallel.
[0029] In the claimed invention term raw liquid means the liquid, flowing through raw liquid supply line 1 into liquid purification unit 2, processed liquidliquid, circulating in the liquid purification unit 2, drainage liquidliquid flowing out of the system along the drainage liquid line 4, this liquid can be concentrate from reverse osmosis membranes, flushing liquid, which is formed after reverse osmosis membranes flushing, or partly none filtered liquid, flowing along membranes shells of the liquid purification unit 2, purified liquidliquid filtered through membranes 5 and flowing to a consumer along purified liquid line 3. Membranes 5 of the liquid purification unit 2 may be of two typeshollow fiber membranes and reverse osmosis membranes. Liquid purification unit 2 can comprise membranes of one type as well as of membranes of two types. Also the surface of hollow fiber membranes can be covered with sorbent.
[0030] Fastener (not depicted in the figures), connecting each pair of elements 6 can be made as main detail and two catches. Main detail may be configured H or U-shaped.
[0031] On the FIG. 2a series connection of membranes 5 is depicted, when both collectors of liquid purification unit 2 are formed from elements 6. Raw liquid hollow element 6.1-1 is connected to raw liquid supply line 1. Hollow of processed liquid of the element 6.1-8 through the adapter plug 8 is connected with the raw liquid hollow of the element 6.1-7. Hollow of processed liquid of the element 6.1-2 through the adapter plug 8 is connected with the raw liquid hollow of the element 6.1-3. Hollow of processed liquid of the element 6.1-6 through the adapter plug 8 is connected with the raw liquid hollow of the element 6.1-5. Hollows of the drainage liquid of the elements 6.1-1, 6.1-2, 6.1-3, 6.1-4 are connected together through adapter plugs 8 and are intended for drainage liquid discharge after the last membrane 5. All hollows for purified liquid of elements 6.1-5, 6.1-6, 6.1-7, 6-8 are connected through adapter plugs 8. Hollow of the purified liquid of the first element 6.1-8 is connected to purified liquid line 3. And further similarly, according to amount of membranes in the liquid purification unit 2.
[0032] On the FIG. 2b parallel connection of membranes 5 is depicted, when both collectors of liquid purification unit 2 are formed from elements 6. All hollows for raw liquid of the lower elements 6.2-1, 6.2-2, 6.2-3, 6.2-4 are connected between each other through adapter plugs 8, and hollow of the element 6.2-1 is connected to raw liquid supply line. All hollows for purified liquid of the elements 6.2-5, 6.2-6, 6.2-7, 6.2-8 are connected through adapter plugs 8, and hollow for the purified liquid of the element 6.2-8 is connected to purified liquid line 3. All hollows for the drainage liquid of the elements 6.2-5, 6.2-6, 6.2-7, 6.2-8 are between each other through adapter plugs 8 and hollow for the drainage liquid of the element 6.2-8 is connected to drainage liquid line 4. And further similarly, according to amount of membranes in the liquid purification unit 2.
[0033] On the FIG. 3 (c) an example of the series-parallel connection is depicted. The upper collector is formed of elements 7 and the lowerof elements 6. Hollows of processed liquid of elements 7.3-8 and 7.3-7 are connected between each other through adapter plugs 8. Hollow of the raw liquid of the element 7.3-6 is connected through adapter plug with hollow of the processed liquid of the element 7.3-7. Hollow of the raw liquid of the element 6.3-1 is connected to raw liquid supply line 1 and through adapter plug 8 is connected with hollow of the raw liquid of the element 6.3-2. Hollow of the processed liquid of the element 6.3-3 is connected to a hollow of raw liquid of the element and through adapter plug 8 is connected with hollow of the raw liquid of the element 6.3-4. The third hollows of the elements 7.3-5, 7.3-6, 7.3-7, 7.3-8 are connected between each other through the adapter plugs 8 and intended for drain liquid discharge after the last membrane 5 along the drainage liquid line 4.
[0034] On the FIG. 3d an example of the system with recirculation and series-parallel connection of membranes 5 is given. One collector is formed of the elements 7, the secondof elements 6. Hollow for the raw liquid of the 6.4-1 is connected to raw liquid supply line 1 and through adapter plug 8 to hollow of the raw liquid of the element 6.4-2. Hollows of the processed liquid of elements 7.4-8![custom-character]()
7.4-7 are connected between each other through adapter plugs 8. Hollow of the raw liquid of the element 7.4-6 through adapter plug 8 is connected with hollow of the processed liquid of the element 7.4-7. Hollow of the processed liquid of the element 7.4.3 is connected with hollow of the raw liquid of the element 6.4-4. Hollows of the elements 7.4-5, 7.46, 7.4-7, 7.4-8 are connected between each other through the adapter plugs 8 and intended for drainage liquid discharge after the last membrane 5 along the drainage liquid line 4. In the system on the FIG. 3d there is a recirculation line 10 which is connected to drainage liquid outlet of the third hollow of the element 7.4-8 and to the inlet of the raw liquid of the element 7.4-1.
[0035] Also membranes of different size and productivity can be used in the claimed system. It is possible due to connection means comprising to details: elbow fitting 11 (FIG. 5) and coupler 12. Coupler 12 is configured with three hollows and helps to build on liquid purification unit 2 (FIG. 6). In dependence of its length, one of two membrane elements can be installed within one shell. Optionally at least one empty shell (not depicted on the figures) for the raw liquid can be installed in the liquid purification unit 2. Such shell can be used as pressure accumulator in case of pressure drops in the system.
[0036] Under the scope of distinguishing features claimed liquid purification system operates as follows. Raw liquid from the raw liquid supply flows into liquid purification unit 2 along raw liquid supply line 1. Purified liquid from the unit flows into purified liquid line 3 and drainage liquidinto the drainage liquid line 4 (FIG. 1). If the system optionally comprises recirculation line 10, drainage liquid flows along this line to inlet of the liquid purification unit 2. Membranes operation sequence of can be different within liquid purification unit 2.
[0037] In series connection of membranes (FIG. 2a) raw liquid flows into hollow for the raw liquid of the element 6.1-1. Purified liquid flows into the hollow for the purified liquid of the first element 6.1-1. Processed liquid through the hollow of processed liquid of the element 6.1-8 and through adapter plug 8 flows into the hollow for the raw liquid of the element 6.1-7. Then liquid is purified in the second membrane 5. Purified liquid flows into the hollow of the purified liquid of the element 6.1-7. Processed liquid through the hollow of processed liquid of the element 6.1-2 and through adapter plug 8 flows into the hollow for the raw liquid of the element 6.1-3. Sequence repeats. So processed liquid of the first membrane 5 is the raw liquid for the second membrane 5 and so on. Purified liquid from all membranes flows through all hollows for purified liquid of the 6.1-5, 6.1-6, 6.1-7, 6.1-8 and through purified liquid line 3 flows to a consumer. Drainage liquid flows out of the last membrane and through hollow for the drainage liquid of the element 6.1-4 and through adapter plugs 8 goes along all hollows for the drainage liquid of all lower elements and through drainage liquid line 4 is discharged from the system.
[0038] In parallel connection of membranes 5 (FIG. 2b) raw liquid equally spreads between all hollows for the raw liquid of the elements 6.1-1, 6.1-2, 6.1-3, 6.1-4. Then liquid is purified. Processed liquid flows out of each membrane and goes into the hollows for processed liquid of each element 6.1-5, 6.1-6, 6.1-7, 6.1-8, all hollows are connected between each other though adapter plugs 8 and form one common channel. Purified liquid from membranes flows into hollows for the purified liquid of the elements 6.1-5, 6.1-6, 6.1-7, 6.1-8, and all hollows for the purified liquids are connected between each other though adapter plugs 8 and form one common channel through which purified liquid flows into purified liquid line 3. Drainage liquid is discharged along the drainage liquid line 4 out of the system.
[0039] In series-parallel connection of membranes (FIG. 3c) raw liquid along raw supply liquid line 1 flows simultaneously into hollows for raw liquid of elements 6.3-1 and 6.3-2. Then liquid is purified. Processed liquid from the elements 7.3-8 and 7.3-7 flows into the hollow for raw liquid of the element 7.3-6. Processed liquid from the hollow for the processed liquid of the third element 6.3-3 through adapter plug 8 flows into the hollow of the raw liquid of the fourth element 7.3-4. Drainage liquid from the hollow for processed liquid of the element 7.3-5 flows through the third hollows of all elements 7.3-5, 7.3-6, 7.3-7, 7.3-8 and along drainage liquid line 4, connected to the third hollow of the element 7.3-8 is discharged from the system. Purified liquid from all membranes flows through all hollows of the elements 7.3-5, 7.3-6, 7.3-7, 7.3-8 and if supplied to a consumer.
[0040] In the system with recirculation with series-parallel connection of membranes (FIG. 3d) raw liquid along raw liquid supply line 1 equally spreads between hollows for raw liquid of elements 6.4-1 and 6.4-2. Processed liquid flows into the hollows for the processed liquid of the elements 7.4-8 and 7.4-7 and through the adapter plug 8 goes into the hollow for the raw liquid of the element 7.4-6. Processed liquid flows out of the hollow for the processed liquid of the element 6.4-3 and through adapter plug 8 goes into the hollow for the raw liquid of the element 6.4-4. Drainage liquid through the hollow for the drainage liquid of the element 7.4-5 through adapter plugs 8 goes through all the hollows for the drainage liquid of the elements 7.4-5, 7.4-6, 7.4-7, 7.4-8 and through recirculation line 10 and pump 14 to the liquid purification unit 2 inlet. After several cycles drainage liquid is discharged from the system along drainage liquid line 4.
[0041] Liquid purification unit comprises separate elements and connecting its geometry can be changed and the system may be installed either horizontally or vertically.
[0042] In comparison with the closest analogue due to the elements of two types the configuration of the liquid purification unit easily changes, and the system may be adapted to different conditions and installed in different areas. Also due to construction of adapter plugs, equipped with clamping device, connections inside liquid purification unit are airtight during pressure drops and vibrations. Also, vibrations are compensated is due to that liquid purification unit is made of plastic, but not from the metal. In case of failure of membrane of one type, it can be changed to the membrane of the other type due to connection means. During operation period, one of the membranes may be taken away or be changed to membrane of the other type.
[0043] The description of the present invention submits a preferred embodiment of the invention. It can be changed within the claimed set of the claims, so the wide use of the invention is possible.
