CN210814178U

CN210814178U - Pretreatment device for seawater desalination

Info

Publication number: CN210814178U
Application number: CN201921149231.3U
Authority: CN
Inventors: 陈春跃
Original assignee: Suzhou Friends Of Blue Energy Purification Technology Co ltd
Current assignee: Suzhou Friends Of Blue Energy Purification Technology Co ltd
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-06-23
Anticipated expiration: 2029-07-22

Abstract

The utility model discloses a sea water desalination's preprocessing device, including shell, filter screen layer, a plurality of first filter core and a plurality of second filter core, the inside filter chamber that is of shell, be provided with first isolation layer and second isolation layer in the filter chamber, first isolation layer and second isolation layer will the filter chamber divide into first region, second region and third region, the filter screen layer with first filter core sets up in the first region, first filter core with the second region communicates with each other, the second filter core sets up in the second region, the second filter core with the third region communicates with each other, be provided with on the shell with communicating water inlet and the delivery port of filter chamber, the water inlet with first region communicates with each other, the delivery port with the third region communicates with each other. The utility model provides a sea water desalination's preprocessing device, it can effectively filter impurity such as granule in the sea water, has solved the great problem of preprocessing equipment occupation space moreover.

Description

Pretreatment device for seawater desalination

Technical Field

The utility model relates to a sea water desalination field especially relates to a sea water desalination's preprocessing device.

Background

As the natural supply of fresh water is limited, shortage of fresh water resources is becoming a very urgent problem in many parts of the world. The seawater desalination technology for producing fresh water by seawater desalination is an important means for relieving the lack of fresh water. Common seawater desalination methods include distillation, freezing, and reverse osmosis. Seawater is a complex system, especially in the sea area near the land, and contains a large amount of colloids, suspended particles, microorganisms, bacteria, dissolved organic matter and inorganic matter. In the reverse osmosis seawater desalination process, a large amount of colloid and suspended particles can block pipelines to cause pollution of membrane elements, the membrane elements are corroded by microorganisms and bacteria, and residues of the membrane elements can be deposited on the surface of the membrane to cause the pollution of the membrane. Therefore, pretreatment before seawater desalination is particularly important. The existing pretreatment method for seawater desalination is to arrange a cartridge filter before seawater desalination, but the cartridge filter has limited filtering capacity, and the arrangement of a plurality of filters to improve the filtering capacity occupies a large space, so that the space utilization rate is low.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a sea water desalination's preprocessing device, it can effectively filter impurity such as granule in the sea water, has solved the great problem of preprocessing equipment occupation space moreover.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: the utility model provides a pretreatment device for seawater desalination, includes shell, filter screen layer, a plurality of first filter core and a plurality of second filter core, the shell is inside to be the filter chamber, be provided with first isolation layer and second isolation layer in the filter chamber, first isolation layer and second isolation layer will the filter chamber divide into first region, second region and third region, filter screen layer with first filter core sets up in the first region, first filter core with the second region communicates with each other, the second filter core sets up in the second region, the second filter core with the third region communicates with each other, be provided with on the shell with communicating water inlet and the delivery port of filter chamber, the water inlet with the first region communicates with each other, the delivery port with the third region communicates with each other.

Preferably, the water inlet and the water outlet are both arranged on the side surface of the shell, and the filter screen layer is close to the water inlet relative to the first filter element.

Preferably, the filter screen layer is vertically arranged, the first isolation layer is vertically arranged, the second isolation layer is horizontally arranged, one end of the second isolation layer is fixedly connected with the lower part of the first isolation layer, and the other end of the second isolation layer is fixedly connected with the inner wall of the shell.

Preferably, the bottom of the housing is provided with a sand discharge port communicated with the first area, and the sand discharge port is arranged between the filter screen layer and the inner wall of the side surface of the housing.

Preferably, the filter screen layer is a double-layer filter screen.

Preferably, a plurality of first through holes are formed in the first isolation layer in a penetrating mode, a first water outlet hole is formed in the end portion of the first filter element, a first clamping groove is formed in the position, close to the first water outlet hole, of the first filter element, the first clamping groove is matched with the inner wall of the first through hole, and the first water outlet hole of the first filter element is located in the second area.

Preferably, a plurality of second through holes are formed in the second isolation layer in a penetrating mode, a second water outlet hole is formed in the end portion of the second filter element, a second clamping groove is formed in the position, close to the second water outlet hole, of the second filter element, the second clamping groove is matched with the inner wall of the second through hole, and the second water outlet hole of the second filter element is located in a third area.

Preferably, rubber rings are arranged in the first clamping groove and the second clamping groove.

The utility model has the advantages that: the utility model provides a sea water desalination's preprocessing device, owing to set up a plurality of filter cores in the shell, its impurity such as granule that can effectively filter the sea water, the small that occupies moreover, space utilization is high.

Drawings

Fig. 1 is a schematic structural view of the present invention;

wherein: 1. the filter comprises a shell, 2, a filter screen layer, 3, a first filter element, 4, a second filter element, 5, a first isolation layer, 6, a second isolation layer, 7, a first area, 8, a second area, 9, a third area, 10, a water inlet, 11, a water outlet, 12, a sand discharge port, 13, a first through hole, 14, a first clamping groove, 15, a first water outlet hole, 16, a second through hole, 17, a second clamping groove and 18, a second water outlet hole.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, a pretreatment device for seawater desalination includes a housing 1, a filter screen layer 2, a plurality of first filter elements 3, and a plurality of second filter elements 4.

The inside filter chamber that is of shell, the filter chamber is provided with first isolation layer 5 and second isolation layer 6. The first 5 and second 6 barrier layers divide the filter chamber into a first region 7, a second region 8 and a third region 9. The vertical setting of first isolation layer 5, the level setting of second isolation layer 6, the one end of second isolation layer 6 and the lower part fixed connection of first isolation layer 5, the other end of second isolation layer 6 and the inner wall fixed connection of shell 1. The purpose of dividing the filter chamber into a plurality of regions is to facilitate the multiple filtration of seawater, and the volumes of the first region 7, the second region 8 and the third region 9 are arranged from large to small, because the particle impurities of the seawater from the first region 7 to the third region 9 are gradually reduced, the number of filter elements and the storage requirement of the impurities are also gradually reduced, so that the different volume settings of different regions can reduce the volume of the seawater desalination pretreatment device without affecting the filtration effect and storing the filtered particles, and the space utilization rate is improved.

The shell 1 is provided with a water inlet 10 and a water outlet 11 which are communicated with the filter cavity. Wherein the water inlet 10 is communicated with the first area 7, and the water outlet 11 is communicated with the third area 9. The water inlet 10 and the water outlet 11 are both arranged on the side surface of the shell 1.

The screen layer 2 and the first filter element 3 are arranged in a first area 7, the first filter element 3 is communicated with a second area 8, the second filter element 4 is arranged in the second area 8, and the second filter element 4 is communicated with a third area 9. The filter screen layer 2 is close to the water inlet 10 relative to the first filter element 3. The effect of filter screen layer 2 is the silt of filtering the sea water, prevents that silt from blockking up first filter core 3 and makes the life of first filter core 3 subtract weak point. The filter screen layer 2 is vertically arranged, and silt blocked by the filter screen layer 2 is deposited at the bottom of the first area 7 and cannot be deposited on the filter screen layer 2, so that the filter screen layer 2 is prevented from being damaged by the silt or the filter screen layer 2 is prevented from being blocked by the silt. Filter screen layer 2 is double-deck filter screen, so guarantees the filter effect, and filter screen layer 2 still has filterable effect when first layer filter screen damages moreover.

The bottom of the shell 1 is provided with a sand discharge port 12 communicated with the first area 7, and the sand discharge port 12 is arranged between the filter screen layer 2 and the side inner wall of the shell 1.

The first isolation layer 5 is provided with a plurality of first through holes 13 for fixing the first filter element 3. The second isolation layer 6 is provided with a plurality of second through holes 16 for fixing the second filter element 4.

First filter core 3 and second filter core 4 are curled by the filter screen of filtering usefulness and are made, and the tip of first filter core 3 is provided with first apopore 15, and the tip of second filter core 4 is provided with second apopore 18. The first filter element 3 is provided with a first clamping groove 14 at a position close to the first water outlet hole 15, the first clamping groove 14 is matched with the inner wall of the first through hole 13, and the first water outlet hole 15 of the first filter element 3 is located in the second area 8.

The second filter element 4 is provided with a second clamping groove 17 at a position close to the second water outlet hole 18, the second clamping groove 17 is matched with the inner wall of the second through hole 16, and the second water outlet hole 18 of the second filter element 4 is located in the third area 9. Be provided with the rubber circle in first draw-in groove 14 and the second draw-in groove 17, the effect of rubber circle is the improvement sealing performance, prevents that unfiltered water from flowing from first draw-in groove 14 and second draw-in groove 17 position department.

As a further preferable scheme of this embodiment, the screen of the first filter element 3 has a screen hole size of 5 microns, and the screen of the second filter element 4 has a screen hole size of 1 micron.

The use process of the pretreatment device for seawater desalination comprises the following steps:

seawater enters a first area 7 of the seawater desalination pretreatment device from a water inlet 10, large-particle sediment impurities are removed through a filter screen layer 2, then the seawater passes through a first filter element 3 and enters the first filter element 3, the large-particle impurities are filtered while the seawater passes through the first filter element 3, and the seawater enters a second area 8 from the inside of the first filter element 3. The seawater entering the second area 8 passes through the second filter element 4 and enters the second filter element 4, fine particle impurities are filtered while passing through the second filter element 4, then the seawater enters the third area 9 from the inside of the second filter element 4, and finally the seawater is discharged from the seawater outlet 11, so that the pretreatment of seawater desalination is completed.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.

Claims

1. A pretreatment device for seawater desalination is characterized by comprising a shell (1), a filter screen layer (2), a plurality of first filter elements (3) and a plurality of second filter elements (4), wherein a filter cavity is arranged in the shell, a first isolating layer (5) and a second isolating layer (6) are arranged in the filter cavity, the filter cavity is divided into a first area (7), a second area (8) and a third area (9) by the first isolating layer (5) and the second isolating layer (6), the filter screen layer (2) and the first filter elements (3) are arranged in the first area (7), the first filter elements (3) are communicated with the second area (8), the second filter elements (4) are arranged in the second area (8), the second filter elements (4) are communicated with the third area (9), a water inlet (10) and a water outlet (11) which are communicated with the filter cavity are arranged on the shell (1), the water inlet (10) is communicated with the first area (7), and the water outlet (11) is communicated with the third area (9).

2. The pretreatment device for sea water desalination according to claim 1, characterized in that the water inlet (10) and the water outlet (11) are both arranged at the side of the housing (1), and the filter screen layer (2) is close to the water inlet (10) relative to the first filter element (3).

3. The pretreatment device for seawater desalination according to claim 2, wherein the filter screen layer (2) is vertically arranged, the first isolation layer (5) is vertically arranged, the second isolation layer (6) is horizontally arranged, one end of the second isolation layer (6) is fixedly connected with the lower part of the first isolation layer (5), and the other end of the second isolation layer (6) is fixedly connected with the inner wall of the shell (1).

4. A pretreatment device for seawater desalination according to claim 3, wherein a sand discharge port (12) communicating with the first area (7) is provided at the bottom of the housing (1), and the sand discharge port (12) is provided between the screen layer (2) and the inner side wall of the housing (1).

5. The pretreatment device for seawater desalination according to claim 1, wherein the screen layer (2) is a double-layer screen.

6. The pretreatment device for seawater desalination according to claim 1, wherein a plurality of first through holes (13) are formed in the first isolation layer (5), a first water outlet hole (15) is formed in an end portion of the first filter element (3), a first clamping groove (14) is formed in a position, close to the first water outlet hole (15), of the first filter element (3), the first clamping groove (14) is matched with an inner wall of the first through hole (13), and the first water outlet hole (15) of the first filter element (3) is located in the second area (8).

7. The pretreatment device for seawater desalination according to claim 6, wherein a plurality of second through holes (16) are formed in the second isolation layer (6), a second water outlet hole (18) is formed in an end portion of the second filter element (4), a second clamping groove (17) is formed in the position, close to the second water outlet hole (18), of the second filter element (4), the second clamping groove (17) is matched with an inner wall of the second through hole (16), and the second water outlet hole (18) of the second filter element (4) is located in the third area (9).

8. The pretreatment device for sea water desalination according to claim 7, wherein rubber rings are arranged in the first slot (14) and the second slot (17).