Filtering equipment for filtering ultrapure water

Abstract

The utility model discloses filtering equipment for filtering ultrapure water. The filtering equipment comprises a pipeline main body, three conical filtering pieces which are detachably connected are installed in the pipeline body from top to bottom, and the bottom end of each conical filtering piece is connected with a circular ring. A supporting plate is connected into the pipeline body, a rotating rod is rotationally connected into the supporting plate, a scraper is connected to the outer wall of the rotating rod, and a turbine is mounted on the outer wall of the rotating rod. According to the filtering equipment for filtering the ultrapure water, the three conical filtering pieces which are distributed from top to bottom are arranged in the pipeline main body, so that water flow can be guided to be uniformly distributed along the conical surface, the water flow can more uniformly pass through the conical filtering pieces, the difference of the water flow speed is reduced, and then dead angles and blind areas are reduced; the conical filtering pieces are kept clean and smooth, the service life is prolonged, the overall filtering efficiency is improved, impurities entering the ultrapure water equipment can be reduced through filtering of the multiple conical filtering pieces, and the service life of the equipment is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of ultrapure water, in particular to a filtering device used for filtering ultrapure water. Background Art

[0002] Ultrapure water equipment is a water treatment equipment that uses pretreatment, reverse osmosis technology, ultrapurification treatment and post-treatment methods to almost completely remove the conductive medium in the water, and remove the non-dissociated colloidal substances, gases and organic matter in the water to a very low level; ultrapure water is used in the integrated circuit industry for cleaning semiconductor raw materials and utensils used, preparing photolithography masks and as a water vapor source for silicon wafer oxidation. It is also widely used in biology, medicine and other fields. Using ultrapure water equipment to prepare ultrapure water is essential for experiments, etc.

[0003] After searching, the utility model with application number CN202122333795.6 provides an ultrapure water device with a multi-stage filtration function, including: an ultrapure water device body; a first connecting pipe, the first connecting pipe is fixedly connected to one side of the ultrapure water device body; a filter assembly, the filter assembly is fixedly installed at one end of the first connecting pipe, the filter assembly includes a first connecting tube, and the interior of the first connecting tube is evenly fixedly connected with a spacer ring. The ultrapure water device with a multi-stage filtration function provided by the utility model is provided with a filter assembly at one end of the first connecting pipe, and a plurality of different first filter elements and a second filter element are installed inside the filter assembly. The raw water can be filtered for multiple times and with multiple impurities, so as to avoid the raw water containing a large amount of impurities, sediment, etc., which directly enter the interior of the ultrapure water device body, increase the filtration pressure of the internal filter membrane, osmotic membrane, etc., and shorten the service life of the filter membrane, etc.

[0004] The above-mentioned ultrapure water equipment is equipped with multiple flat filters. The flat filters have a larger filtration area and can process more water flow at the same time. However, the filtration efficiency may be affected by factors such as gravity and flow rate when the water flows through, resulting in uneven distribution. Some areas may have better filtration effects, while some areas may have relatively poorer filtration effects, causing blockage or scaling, thereby affecting the filtration effect. Utility Model Content

[0005] The purpose of the present utility model is to provide a filtering device for ultrapure water filtration, so as to solve the problem proposed in the above-mentioned background technology that the above-mentioned ultrapure water equipment is provided with multiple flat filter screens, and the flat filter screens have a larger filtering area and can process more water flow at the same time; however, its filtering efficiency may be affected by factors such as gravity and flow rate when the water flows through, resulting in uneven distribution, and some areas may have better filtering effects, while some areas may be relatively poor, causing blockage or fouling, thereby affecting the problem of filtering effect.

[0006] To achieve the above-mentioned object, the present utility model provides the following technical solutions: A filtering device for ultrapure water filtration, comprising a pipeline body;

[0007] Three detachably connected conical filter elements are installed from top to bottom inside the pipeline body, and a ring is connected to the bottom end of each conical filter element;

[0008] The interior of the pipe body is connected with a support plate, the interior of the support plate is rotatably connected with a rotating rod, the outer wall of the rotating rod is connected with a scraper, and the outer wall of the rotating rod is installed with a turbine.

[0009] As a preferred technical solution of the present application, the bottom end of the pipe body is detachably connected to a base, and the circular ring at the bottom end inside the pipe body is fitted on the surface of the base.

[0010] As a preferred technical solution of the present application, the inner wall of the base is connected to a limiting ring, and the inner wall of the limiting ring is fitted to the inner wall of the circular ring at the bottom end of the inner part of the pipe body.

[0011] As a preferred technical solution of the present application, two threaded rods are rotatably connected to the two circular rings at the bottom end and the middle part of the pipe body, and the bottom ends of the two circular rings at the upper middle part and the middle part of the pipe body are connected to a threaded sleeve, and each end of the threaded rod is connected to the inside of the threaded sleeve through a thread.

[0012] As a preferred technical solution of the present application, a positioning ring is connected to the inner wall of the pipe body, and the bottom end of the positioning ring is attached to the circular ring surface in the upper middle part of the pipe body.

[0013] As a preferred technical solution of the present application, the outer wall of the rotating rod passes through the interior of the plurality of conical filter elements.

[0014] As a preferred technical solution of the present application, a guide tube is connected to the top end of the pipe body.

[0015] As a preferred technical solution of the present application, the scraper is attached to the outer wall of the conical filter element located in the upper middle part of the pipe body.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. By setting three conical filter elements distributed from top to bottom inside the pipe body, it helps to guide the water flow to be evenly distributed along the conical surface, so that it passes through the conical filter element more evenly, reducing the difference in water flow velocity, thereby reducing dead corners and blind spots, helping to keep the conical filter element clean and unobstructed, extending its service life, thereby improving the overall filtration efficiency. Filtering through multiple conical filter elements can reduce impurities from entering the ultrapure water equipment, thereby increasing the service life of the equipment.

[0018] 2. Raw water enters the pipeline through the guide pipe. The water flow drives the turbine to rotate, causing the rotating rod to drive the scraper to move inside the pipeline and on the outer wall of the upper conical filter element, thereby scraping off impurities attached to the outer wall of the conical filter element and improving the infiltration efficiency of water flow.

[0019] 3. By providing the threaded sleeve, threaded rod, base and limiting ring, the conical filter element can be easily disassembled and separated from the pipeline body, thereby facilitating timely disposal of impurities remaining inside the pipeline body. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0021] Figure 2 For the utility model Figure 1 A partial schematic diagram of a three-dimensional structure cross section;

[0022] Figure 3 For the utility model Figure 1 A partial schematic diagram of a three-dimensional structure cross section;

[0023] Figure 4 This is a schematic diagram of the three-dimensional structure of the threaded sleeve and the threaded rod of the utility model;

[0024] Figure 5 It is a schematic diagram of the three-dimensional structure of the rotating rod, scraper and turbine of the utility model.

[0025] In the figure: 1. Pipe body; 2. Conical filter element; 3. Ring; 4. Threaded sleeve; 5. Threaded rod; 6. Base; 7. Limit ring; 8. Support plate; 9. Rotating rod; 10. Scraper; 11. Turbine; 12. Guide tube; 13. Positioning ring. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] See also Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 The utility model provides a technical solution: a filtering device for ultrapure water filtration, comprising a pipe body 1; the bottom end of the pipe body 1 is connected to the water inlet of the ultrapure water filtering device.

[0028] Three detachably connected conical filter elements 2 are installed from top to bottom inside the pipe body 1, and a ring 3 is connected to the bottom end of each conical filter element 2; by arranging three conical filter elements 2 distributed from top to bottom inside the pipe body 1, it is helpful to guide the water flow to be evenly distributed along the conical surface, so that the water flows through the conical filter element 2 more evenly, reducing the difference in water flow velocity, thereby reducing dead angles and blind spots, helping to keep the conical filter element 2 clean and unobstructed, extending its service life, and thus improving the overall filtration efficiency. Filtering through multiple conical filter elements 2 can reduce the entry of impurities into the ultrapure water equipment, thereby increasing the service life of the equipment.

[0029] A support plate 8 is connected to the inside of the pipe body 1, and a rotating rod 9 is rotatably connected to the inside of the support plate 8. A scraper 10 is connected to the outer wall of the rotating rod 9, and a turbine 11 is installed on the outer wall of the rotating rod 9; raw water enters the inside of the pipe body 1 through the guide pipe 12, and the water flow drives the turbine 11 to rotate, so that the rotating rod 9 drives the scraper 10 to move inside the pipe body 1 and on the outer wall of the conical filter element 2 at the upper part, thereby scraping off impurities attached to the outer wall of the conical filter element 2, thereby improving the infiltration efficiency of water flow.

[0030] In a preferred embodiment, the bottom end of the pipe body 1 is detachably connected to a base 6, and the ring 3 at the bottom end inside the pipe body 1 is attached to the surface of the base 6; by providing the base 6, it is convenient for workers to install the conical filter element 2 and the ring 3 inside the pipe body 1.

[0031] In a preferred embodiment, the inner wall of the base 6 is connected to a limiting ring 7, and the inner wall of the limiting ring 7 fits against the inner wall of the circular ring 3 at the bottom end of the pipe body 1; under the action of the limiting ring 7, the circular ring 3 that fits therewith can be positioned, thereby facilitating workers to install the circular ring 3 into the pipe body 1.

[0032] In a preferred embodiment, two circular rings 3 at the bottom and middle of the pipe body 1 are rotatably connected to two threaded rods 5, and the bottom ends of the two circular rings 3 at the upper and middle parts of the pipe body 1 are connected to a threaded sleeve 4, and each end of the threaded rod 5 is connected to the inside of the threaded sleeve 4 by a thread; by providing the threaded sleeve 4 and the threaded rod 5, it is possible to facilitate the connection and fixation between multiple conical filter elements 2.

[0033] In a preferred embodiment, a positioning ring 13 is connected to the inner wall of the pipe body 1, and the bottom end of the positioning ring 13 is attached to the surface of the circular ring 3 located in the upper middle part of the pipe body 1; by providing the positioning ring 13, the conical filter element 2 is installed inside the pipe body 1 to play a positioning role.

[0034] In a preferred embodiment, the outer wall of the rotating rod 9 passes through the interior of the multiple conical filter elements 2 , so that the rotating rod 9 can be fixed in the middle of the multiple conical filter elements 2 to reduce the deformation of the conical filter elements 2 .

[0035] In a preferred embodiment, a guide pipe 12 is connected to the top of the pipeline body 1; the provision of the guide pipe 12 can better guide the raw water.

[0036] In a preferred embodiment, the scraper 10 is attached to the outer wall of the conical filter element 2 located in the upper middle portion of the pipe body 1 .

[0037] Working Principle: First, raw water enters the pipe body 1 through the guide tube 12, and is filtered by multiple conical filter elements 2, thereby filtering the raw water. At the same time, when the raw water enters the pipe body 1, it impacts the turbine 11, causing the turbine 11 to drive the rotating rod 9 to rotate inside the support plate 8, and then the rotating rod 9 drives the scraper 10 to scrape the outer wall of the conical filter element 2, thereby reducing impurities adhering to the outer wall of the conical filter element 2;

[0038] By disassembling and separating the base 6 from the pipe body 1, and then pulling the ring 3 at the bottom end of the pipe body 1 out of the pipe body 1, the multiple conical filter elements 2 are taken out from the pipe body 1, and then rotating the multiple threaded rods 5 in sequence to disengage the threaded rods 5 from the threaded sleeve 4, the conical filter elements 2 can be cleaned one by one, and it is also convenient to clean the inside of the pipe body 1.

[0039] The above is the working process of the entire device, and the contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0040] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A filtering device for ultrapure water filtration, comprising a pipe body (1); characterized in that: Three detachably connected conical filter elements (2) are installed from top to bottom inside the pipeline body (1), and a ring (3) is connected to the bottom end of each conical filter element (2); The pipe body (1) is internally connected to a support plate (8), the support plate (8) is internally rotatably connected to a rotating rod (9), the outer wall of the rotating rod (9) is connected to a scraper (10), and the outer wall of the rotating rod (9) is installed with a turbine (11).

2. A filtration device for ultrapure water filtration according to claim 1, characterized in that: The bottom end of the pipe body (1) is detachably connected to a base (6), and the circular ring (3) at the bottom end inside the pipe body (1) is attached to the surface of the base (6).

3. A filtering device for ultrapure water filtration according to claim 2, characterized in that: The inner wall of the base (6) is connected to a limiting ring (7), and the inner wall of the limiting ring (7) is fitted onto the inner wall of the circular ring (3) at the bottom end inside the pipe body (1).

4. The filtration device for ultrapure water filtration according to claim 1, characterized in that: Two threaded rods (5) are rotatably connected to the two circular rings (3) at the bottom end and the middle portion of the pipe body (1), and the bottom ends of the two circular rings (3) at the upper middle portion and the middle portion of the pipe body (1) are connected to threaded sleeves (4), and the end of each threaded rod (5) is connected to the inside of the threaded sleeve (4) through a thread.

5. The filtration device for ultrapure water filtration according to claim 1, characterized in that: A positioning ring (13) is connected to the inner wall of the pipe body (1), and the bottom end of the positioning ring (13) is attached to the surface of the circular ring (3) located in the upper middle part of the pipe body (1).

6. The filtration device for ultrapure water filtration according to claim 1, characterized in that: The outer wall of the rotating rod (9) passes through the interior of the plurality of conical filter elements (2).

7. The filtration device for ultrapure water filtration according to claim 1, characterized in that: The top end of the pipeline body (1) is connected to a guide tube (12).

8. The filtration device for ultrapure water filtration according to claim 1, characterized in that: The scraper (10) is attached to the outer wall of the conical filter element (2) located in the upper middle portion of the interior of the pipe body (1).

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