CN216918849U

CN216918849U - Ultrafiltration water purification system

Info

Publication number: CN216918849U
Application number: CN202123400511.7U
Authority: CN
Inventors: 雷晓玲; 黄媛媛; 魏泽军; 杨程
Original assignee: Chongqing Litree Water Purification Technology Co ltd; Chongqing Academy of Science and Technology
Current assignee: Chongqing Litree Water Purification Technology Co ltd; Chongqing Academy of Science and Technology
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-07-08
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses an ultrafiltration water purification system which comprises a reaction tank, a sedimentation tank, an ultrafiltration tank and a clear water tank which are connected and used for raw water to sequentially pass through, wherein a precipitator is added in the reaction tank and provided with stirring blades, and the sedimentation tank is used for standing the raw water and separating sediments in the raw water. By adopting the utility model, the reaction tank and the sedimentation tank are arranged, and the precipitant is added into the reaction tank and is mixed by the stirring blade, so that the reaction efficiency of the reaction tank is accelerated; in addition, be provided with the sedimentation tank, stand specially to the water of deriving from the reaction tank, the sedimentation of the aquatic solid content of being convenient for promotes the quality of water of waiting to filter water in getting into the ultrafiltration pond, has played the effect of protection to the milipore filter, does benefit to the increase of milipore filter live time.

Description

Ultrafiltration water purification system

Technical Field

The utility model relates to the field of water purification, in particular to an ultrafiltration water purification system.

Background

The ultrafiltration technology gradually becomes a research hotspot in the field of water treatment in recent years, and is industrially applied in large-scale drinking water plants. Compared with the traditional water treatment technology, the membrane water treatment technology taking ultrafiltration as a core can effectively intercept particulate matters, colloids, microorganisms, macromolecular organic matters and the like in a water body, but the further development of the technology is limited by the membrane pollution problem in the long-term operation process, so that the technology is a great problem to be solved urgently at present.

In order to effectively alleviate the pollution of the ultrafiltration membrane, a method of performing pretreatment, such as precipitation treatment, on the water to be filtered is generally adopted. The existing device has the problems of long time consumption and low efficiency in precipitation.

Disclosure of Invention

The utility model aims to: aiming at the problem of long precipitation time consumption in the prior art, the ultrafiltration water purification system for accelerating the precipitation speed is provided.

In order to realize the purpose of the utility model, the utility model provides the following technical scheme:

an ultrafiltration water purification system comprises a reaction tank, a sedimentation tank, an ultrafiltration tank and a clean water tank which are connected and used for raw water to sequentially pass through, wherein a precipitator is added in the reaction tank and provided with stirring blades, and the sedimentation tank is used for standing the raw water and separating sediments in the raw water.

According to the utility model adopting the technical scheme, the reaction tank and the sedimentation tank are arranged, and the precipitant is added into the reaction tank and is mixed by the stirring blades, so that the reaction efficiency of the reaction tank is accelerated; in addition, be provided with the sedimentation tank, stand specially to the water of deriving from the reaction tank, the sedimentation of the aquatic solid content of being convenient for promotes the quality of water of waiting to filter water in getting into the ultrafiltration pond, has played the effect of protection to the milipore filter, does benefit to the increase of milipore filter live time.

Further, the stirring blade is connected to the electric stirrer through a rotating shaft on which a plurality of stirring blades are provided. Be equipped with a plurality of stirring vane, promote the mixing efficiency of precipitant in the reaction tank, improve the effect efficiency of precipitant.

Further, the rotating shaft is positioned in the middle of the reaction tank, and the number of the stirring blades is 4. According to the demand, rationally set up stirring vane's number.

Furthermore, a plurality of protruding structures are arranged on the inner wall of the reaction tank. The convex structure is arranged together with the stirring blade, which is beneficial to the mixing of the precipitating agent.

Further, the raised structures are unevenly distributed on the inner wall of the reaction cell.

Further, the bottom of the reaction tank is provided with a first drain pipe. The first sewage discharge pipe is used for discharging the precipitated sewage in the reaction tank.

Furthermore, the top of the reaction tank is provided with a funnel-shaped feed inlet for adding a precipitator. The precipitator is added from the top of the reaction tank, and the funnel-shaped feed inlet is convenient for adding the precipitator.

Furthermore, the bottom of the sedimentation tank is connected with a second sewage discharge pipe. The second blow off pipe is used for discharging the sewage at the bottom of the sedimentation tank after standing.

Furthermore, a backwashing pump and a suction pump are arranged between the ultra-filter and the clean water tank in a parallel connection mode. The suction pump pumps out the clear water after ultrafiltration, and the backwash pump is used for backwashing the ultrafiltration tank.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that: because the reaction tank and the sedimentation tank are arranged, the precipitant is added into the reaction tank and is mixed by the stirring blades, so that the reaction efficiency of the reaction tank is accelerated; in addition, be provided with the sedimentation tank, stand specially to the water of deriving from the reaction tank, the sedimentation of the aquatic solid content of being convenient for promotes the quality of water of waiting to filter water in getting into the ultrafiltration pond, has played the effect of protection to the milipore filter, does benefit to the increase of milipore filter live time.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

fig. 1 shows a schematic diagram of an ultrafiltration water purification system of the present invention.

Wherein the figures include the following reference numerals:

10. a reaction tank; 11. a stirring blade; 12. a rotating shaft; 13. an electric stirrer; 14. a raised structure; 15. a first drain pipe; 16. a feed inlet; 20. a sedimentation tank; 21. a second sewage draining pipe; 30. a super filter; 40. a clear water tank; 50. a backwash pump; 60. a suction pump.

Detailed Description

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1, the ultrafiltration water purification system comprises a reaction tank 10, a sedimentation tank 20, an ultrafiltration tank 30 and a clear water tank 40 which are connected and used for raw water to sequentially pass through, wherein a precipitator is added in the reaction tank 10 and is provided with a stirring blade 11, and the sedimentation tank 20 is used for standing the raw water and separating sediments in the raw water.

According to the utility model adopting the technical scheme, as the reaction tank 10 and the sedimentation tank 20 are arranged, the precipitant is added into the reaction tank 10 and is mixed by the stirring blades 11, so that the reaction efficiency of the reaction tank 10 is accelerated; in addition, the sedimentation tank 20 is arranged, so that the water guided out from the reaction tank 10 is specially kept stand, the sedimentation of solid components in the water is facilitated, the water quality of the water to be filtered in the ultrafiltration tank 30 is improved, the protection effect on the ultrafiltration membrane is achieved, and the increase of the service time of the ultrafiltration membrane is facilitated.

Further, the stirring blade 11 is connected to the electric stirrer 13 through a rotating shaft 12, and the rotating shaft 12 is provided with a plurality of stirring blades 11. Be equipped with a plurality of stirring vane 11, promote the mixing efficiency of precipitant in reaction tank 10, improve the effect efficiency of precipitant.

Further, the rotary shaft 12 is provided at the center of the reaction tank 10, and the number of the stirring blades 11 is 4. According to the demand, rationally set up stirring vane 11's number.

Further, the inner wall of the reaction cell 10 is provided with a plurality of convex structures 14. The raised structures 14, together with the mixing blades 11, facilitate the mixing of the precipitant.

Further, the convex structures 14 are unevenly distributed on the inner wall of the reaction cell 10.

Further, a first drain pipe 15 is provided at the bottom of the reaction tank 10. The first drain pipe 15 is used to drain the settled sewage in the reaction tank 10.

Further, a funnel-shaped feed inlet 16 is provided at the top of the reaction tank 10 for adding the precipitant. The precipitant is added from the top of the reaction tank 10 through a funnel-shaped feed inlet 16, which facilitates the addition of the precipitant.

Further, a second sewage draining pipe 21 is connected to the bottom of the sedimentation tank 20. The second drainage pipe 21 is used for draining the sewage at the bottom of the sedimentation tank 20 after standing.

Further, a backwash pump 50 and a suction pump 60 are provided in parallel between the ultrafiltration tank 30 and the clean water tank 40. The suction pump 60 pumps out the clear water after ultrafiltration, and the backwashing pump 50 is used for backwashing the ultrafiltration tank 30.

Specifically, the precipitator is a polyacrylamide coagulant aid PAM.

The scope of the present invention is defined not by the above-described embodiments but by the appended claims and equivalents thereof.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An ultrafiltration water purification system is characterized by comprising a reaction tank (10), a sedimentation tank (20), an ultrafiltration tank (30) and a clear water tank (40) which are connected and used for raw water to sequentially pass through, wherein a precipitator is added into the reaction tank (10) and is provided with stirring blades (11), and the sedimentation tank (20) is used for standing the raw water and separating sediments in the raw water; the inner wall of the reaction tank (10) is provided with a plurality of convex structures (14).

2. Ultrafiltration water purification system according to claim 1, wherein said stirring blade (11) is connected to an electric stirrer (13) via a rotating shaft (12), said rotating shaft (12) being provided with a plurality of stirring blades (11).

3. The ultrafiltration water purification system of claim 2, wherein the rotating shaft (12) is located in the middle of the reaction tank (10), and the number of the stirring blades (11) is 4.

4. Ultrafiltration water purification system according to claim 1, wherein the raised structures (14) are not evenly distributed over the inner wall of the reaction cell (10).

5. The ultrafiltration water purification system of claim 1, wherein the bottom of the reaction tank (10) is provided with a first drain pipe (15).

6. The ultrafiltration water purification system of claim 1, wherein the top of the reaction tank (10) is provided with a funnel-shaped feed inlet (16) for adding a precipitant.

7. The ultrafiltration water purification system of claim 1, wherein a second drain pipe (21) is connected to the bottom of the sedimentation tank (20).

8. The ultrafiltration water purification system of claim 1, wherein a backwash pump (50) and a suction pump (60) are provided in parallel between the ultrafiltration chamber (30) and the clean water tank (40).