Ultrapure water improvement device

Abstract

The present application discloses an ultrapure water improvement device, which relates to the technical field of ultrapure water improvement, and comprises a main body, a pretreatment structure is arranged on the top outer surface of the main body, the interior of the main body comprises three groups of filter element main bodies, the pretreatment structure comprises a buffer layer, a quartz sand filter layer and an activated carbon filter layer, and the buffer layer is arranged at the bottom of the pretreatment structure, an activated carbon filter layer is arranged on the top of the buffer layer, a quartz sand filter layer is arranged on the top of the activated carbon filter layer, a filter element cover is arranged on the top of the filter element main body, a water inlet pipe is arranged on the bottom outer surface of the pretreatment structure and the top outer surfaces of the three groups of filter element covers, and the tops of the three groups of filter element covers are respectively provided with a first solenoid valve, a second solenoid valve and a third solenoid valve, and the cooperation of the above structures can effectively filter and purify the ultrapure water in the processing process, so as to obtain high-quality ultrapure water.

Description

Technical Field

[0001] The utility model belongs to the technical field of ultrapure water improvement, in particular to an ultrapure water improvement device. Background Art

[0002] Ultrapure water improvement device is a high-tech equipment specially used to improve the purity of water. It removes impurities and ions in water through a series of complex technologies such as reverse osmosis, ion exchange and ultrafiltration, thereby producing high-quality ultrapure water. This device is widely used in laboratories, medicine, electronics and other fields to provide pure and reliable water sources for scientific research and production.

[0003] The utility model with the announcement number of Chinese CN210521993U discloses an ultrapure water improvement device, including a box body and a filter box installed in the box body, a rotary drum with closed ends and a filter drum sleeved on the rotary drum, the top and bottom of the box body are respectively provided with a water inlet and a water outlet; the filter box is connected with the water inlet through a pipeline, the rotary drum can be axially rotated and horizontally installed below the filter box, a plurality of small holes are evenly distributed on the side wall of the rotary drum, and the center of one end of the rotary drum is connected with the filter box through a pipeline. The beneficial effect of the utility model is that the rotary drum can be rotated, and the filter drum on it can be cleaned by rotating the rotary drum, and the cleaning is convenient and quick; the filter drum and the rotary drum are detachably connected, which is convenient for regular replacement of the filter drum to ensure the quality of water filtration.

[0004] In the process of implementing this application, it was found that the technology has the following problems: the ultrapure water improvement device in the above patent document does not explain the disassembly and connection method of the filter cartridge and the rotary drum, which may cause users to face operational inconveniences when maintaining or replacing parts, affecting the efficiency and service life of the equipment.

[0005] For this purpose, an ultrapure water improving device is proposed. Utility Model Content

[0006] The purpose of the utility model is to provide an ultrapure water improvement device to facilitate users' maintenance or replacement of parts and to effectively filter and purify ultrapure water.

[0007] The technical solution adopted by the utility model is as follows:

[0008] An ultrapure water improvement device comprises a main body, a pretreatment structure is arranged on the top outer surface of the main body, the interior of the main body comprises three groups of filter core bodies, the pretreatment structure comprises a buffer layer, a quartz sand filter layer and an activated carbon filter layer, and the buffer layer is arranged at the bottom of the pretreatment structure, the activated carbon filter layer is arranged on the top of the buffer layer, and the quartz sand filter layer is arranged on the top of the activated carbon filter layer;

[0009] A filter cover is arranged on the top of the filter body, a water inlet pipe is arranged on the bottom outer surface of the pretreatment structure and the top outer surfaces of the three groups of filter covers, and a first solenoid valve, a second solenoid valve and a third solenoid valve are arranged on the top of the three groups of filter covers respectively.

[0010] Furthermore, a drainage tube is provided at the bottom of the three groups of filter element bodies, a detector is provided at the other end of the drainage tube, and a three-way valve is provided on the outer surface of the detector close to the pretreatment structure.

[0011] Furthermore, the other two groups of output ports of the three-way valve are respectively provided with a reflux pipe and a water outlet pipe, and the reflux pipe is connected with the buffer layer at the bottom of the pretreatment structure.

[0012] Furthermore, a limiting ring is provided on the outer surface of the bottom of the filter element cover, a limiting chamber is provided on the top of the filter element body, and a limiting groove is provided inside the limiting chamber.

[0013] Furthermore, the outer surface of the limiting ring is limitedly engaged with the inner wall of the limiting groove, the limiting chamber includes a spring, a locking piece and a rebound chamber, two groups of the rebound chambers are symmetrically arranged on the inner wall of the limiting chamber, the spring is arranged on the inner wall of the rebound chamber, and the locking piece is arranged on the outer surface of the other side of the spring.

[0014] Furthermore, the limiting ring is provided with a snap-in recess at the outlet of the two groups of the snap-in parts corresponding to the two groups, the outer surface of the two groups of the snap-in parts away from the filter cover is fixedly connected with a pressing rod, and the end of the two groups of the pressing rod away from the filter cover is fixedly connected with a pressing contact.

[0015] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0016] 1. In the utility model, when the ultrapure water is processed by the ultrapure water improvement device, the water source is preliminarily pretreated by the pretreatment structure, so that it passes through the quartz sand filter layer and the activated carbon filter layer successively and reaches the buffer layer for removing large particle impurities and adsorbed organic matter in the water. Then the water source reaches the water inlet pipe, and the third solenoid valve, the second solenoid valve and the first solenoid valve on the top of the three groups of filter element bodies are selected to determine the degree of purification to be performed. The water source microorganisms, organic matter and heavy metal ions are processed by the ultrafiltration device and the sterilizer inside the filter element body to further improve the water quality and make it meet the standard of ultrapure water.

[0017] 2. In the utility model, the water source after being processed by different filter element bodies reaches the detector through the drainage pipe. The detector detects the water source. If the set standard is not reached, the reflux pipe is opened by changing the on-off state of the three-way valve. The reflux pipe is connected to the buffer layer to be re-filtered. The on-off state of the three-way valve is changed to open the outlet pipe to discharge ultrapure water. The pressing contact is pressed to drive the pressing rod at the end of the pressing contact to move the locking piece. Due to the connection of the spring, the locking piece will produce a certain angle, thereby releasing the restriction with the corresponding locking recess, thereby achieving the purpose of simplifying the filter element replacement process and facilitating the user's maintenance or replacement of parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the filter element assembly of the utility model;

[0020] Figure 3 It is a cross-sectional view of the filter element assembly of the utility model;

[0021] Figure 4 It is a cross-sectional view of the pipeline assembly method of the utility model.

[0022] In the figure: 1-main body; 2-pretreatment structure; 3-detector; 4-drainage tube; 5-filter body; 6-filter cover; 7-pressing contact; 8-limiting chamber; 9-limiting groove; 10-limiting ring; 11-spring; 12-locking piece; 13-rebound chamber; 14-first solenoid valve; 15-pressing rod; 16-quartz sand filter layer; 17-activated carbon filter layer; 18-third solenoid valve; 19-second solenoid valve; 20-three-way valve; 21-detector; 22-buffer layer; 23-water inlet pipe; 24-reflux pipe; 25-water outlet pipe; 26-clamping recess. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0024] Reference Figure 1-Figure 4, an ultrapure water improvement device, including a main body 1, a pretreatment structure 2 is arranged on the top outer surface of the main body 1, the interior of the main body 1 includes three groups of filter element main bodies 5, the pretreatment structure 2 includes a buffer layer 22, a quartz sand filter layer 16 and an activated carbon filter layer 17, and the buffer layer 22 is arranged at the bottom of the pretreatment structure 2, the top of the buffer layer 22 is arranged with an activated carbon filter layer 17, the top of the activated carbon filter layer 17 is arranged with a quartz sand filter layer 16, a filter element cover 6 is arranged on the top of the filter element main body 5, the bottom outer surface of the pretreatment structure 2 and the top outer surfaces of the three groups of filter element covers 6 are all provided with a water inlet pipe 23, and the tops of the three groups of filter element covers 6 are respectively provided with a first solenoid valve 14, a second solenoid valve 19 and a third solenoid valve 18, specifically, through the cooperation of the above structures, the ultrapure water processing process can be effectively filtered and purified, so as to obtain high-quality ultrapure water.

[0025] Reference Figure 1-Figure 4 , the bottom of the three groups of filter element bodies 5 are all provided with drainage tubes 4, and the other end of the drainage tubes 4 is provided with detectors 21. The outer surface of the detector 21 close to the pretreatment structure 2 is provided with a three-way valve 20. Specifically, the outer surface of the detector 21 close to the pretreatment structure 2 is also provided with a three-way valve 20, which can conveniently regulate the water flow and perform necessary sampling and detection. The other two groups of output ports of the three-way valve 20 are respectively provided with a return pipe 24 and an outlet pipe 25, and the return pipe 24 is connected to the buffer layer 22 at the bottom of the pretreatment structure 2. Specifically, the other two groups of output ports of the three-way valve 20 are respectively connected to the return pipe 24 and the outlet pipe 25. Among them, the return pipe 24 is cleverly connected to the buffer layer 22 at the bottom of the pretreatment structure 2, forming a path for water circulation.

[0026] Reference Figure 1-Figure 4 , a limiting ring 10 is provided on the outer surface of the bottom of the filter cover 6, a limiting chamber 8 is provided on the top of the filter body 5, and a limiting groove 9 is provided inside the limiting chamber 8. Specifically, a limiting ring 10 is cleverly provided on the outer surface of the bottom of the filter cover 6, and correspondingly, a limiting chamber 8 is provided on the top of the filter body 5. On the inner side of the limiting chamber 8, a limiting groove 9 is specially designed so that the filter cover and the filter body can be accurately docked when connected, which not only ensures the sealing of the equipment, but also improves the stability of the installation. The outer surface of the limiting ring 10 is limitedly engaged with the inner wall of the limiting groove 9. The limiting chamber 8 includes a spring 11, a clamping member 12 and a rebound chamber 13. Two groups of rebound chambers 13 are symmetrically provided on the inner wall of the limiting chamber 8. The inner wall of the rebound chamber 13 is provided with a spring 11, and the outer surface of the other side of the spring 11 is provided with a clamping member 12. Specifically, the rebound chamber provides sufficient space for the spring 11. When the spring 11 is subjected to external force, it can freely expand and contract in the rebound chamber 13, and the outer surface of the other side of the spring is connected to the retaining piece 12. This design enables the retaining piece 12 to automatically engage or release under the elastic force of the spring when the filter element is installed or removed, thereby simplifying the operation process and improving the convenience of the equipment.

[0027] Reference Figure 1-Figure 4 The limiting ring 10 is provided with a snap-in recess 26 at the outlet of the two groups of locking pieces 12 corresponding to the two groups of locking pieces 12. The outer surfaces of the two groups of locking pieces 12 on the side away from the filter element cover 6 are fixedly connected with pressing rods 15, and the ends of the two groups of pressing rods 15 on the side away from the filter element cover 6 are fixedly connected with pressing contacts 7. Specifically, the outer surfaces of the two groups of locking pieces 12 on the side away from the filter element cover 6 are fixedly connected with pressing rods 15, and the ends of these pressing rods 15 are connected with pressing contacts 7, so that when removing the filter element, the user only needs to gently press the pressing contacts 7 to push the locking piece 12 to move through the pressing rods 15, thereby releasing the limiting ring 10 and realizing the rapid removal of the filter element.

[0028] The implementation principle of an ultrapure water improvement device embodiment of the present application is:

[0029] When the ultrapure water is processed by the ultrapure water improvement device, the water source is preliminarily pretreated by the pretreatment structure 2, so that it passes through the quartz sand filter layer 16 and the activated carbon filter layer 17 successively and reaches the buffer layer 22, which is used to remove large particles of impurities and adsorbed organic matter in the water. Then the water source reaches the water inlet pipe 23, and the third solenoid valve 18, the second solenoid valve 19 and the first solenoid valve 14 on the top of the three groups of filter element main body 5 are selected to determine the purity of the purification treatment. The ultrafiltration device and the sterilizer inside the filter element main body are used to treat the water source microorganisms, organic matter and heavy metal ions to further improve the water quality and make it meet the ultrapure water standard.

[0030] On the other hand, the water source treated by different filter element bodies 5 reaches the detector 21 through the drainage pipe 4. The detector 21 detects the water source. If the set standard is not reached, the return pipe 24 is opened by changing the on-off state of the three-way valve 20. The return pipe 24 is connected to the buffer layer 22 to be re-filtered. The on-off state of the three-way valve 20 is further changed to open the outlet pipe 25 to discharge ultrapure water. The pressing contact 7 is pressed to drive the pressing rod 15 at the end thereof to move the locking member 12. Due to the connection of the spring 11, the locking member 12 will produce a certain angle, thereby releasing the restriction with the corresponding locking recess 26, thereby achieving the purpose of simplifying the filter element replacement process and facilitating the user's maintenance or replacement of components.

[0031] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An ultrapure water improvement device, comprising a main body (1), characterized in that: A pretreatment structure (2) is arranged on the top outer surface of the main body (1); the interior of the main body (1) comprises three groups of filter element bodies (5); the pretreatment structure (2) comprises a buffer layer (22), a quartz sand filter layer (16) and an activated carbon filter layer (17); the buffer layer (22) is arranged at the bottom of the pretreatment structure (2); the activated carbon filter layer (17) is arranged on the top of the buffer layer (22); and the quartz sand filter layer (16) is arranged on the top of the activated carbon filter layer (17); A filter cover (6) is arranged on the top of the filter element body (5), a water inlet pipe (23) is arranged on the bottom outer surface of the pretreatment structure (2) and the top outer surfaces of the three groups of filter element covers (6), and a first solenoid valve (14), a second solenoid valve (19) and a third solenoid valve (18) are arranged on the top of the three groups of filter element covers (6), respectively.

2. An ultrapure water improvement device as claimed in claim 1, characterized in that: A drainage tube (4) is provided at the bottom of each of the three groups of filter element bodies (5); a detector (21) is provided at the other end of the drainage tube (4); and a three-way valve (20) is provided on the outer surface of the detector (21) on a side close to the pretreatment structure (2).

3. An ultrapure water improvement device as claimed in claim 2, characterized in that: The other two groups of output ports of the three-way valve (20) are respectively provided with a return pipe (24) and a water outlet pipe (25), and the return pipe (24) is connected to the buffer layer (22) at the bottom of the pretreatment structure (2).

4. An ultrapure water improvement device as claimed in claim 1, characterized in that: A limiting ring (10) is provided on the outer surface of the bottom of the filter element cover (6), a limiting chamber (8) is provided on the top of the filter element body (5), and a limiting groove (9) is provided inside the limiting chamber (8).

5. An ultrapure water improvement device as claimed in claim 4, characterized in that: The outer surface of the limiting ring (10) is locked with the inner wall of the limiting groove (9); the limiting chamber (8) comprises a spring (11), a locking piece (12) and a rebound chamber (13); two groups of rebound chambers (13) are symmetrically arranged on the inner wall of the limiting chamber (8); the spring (11) is arranged on the inner wall of the rebound chamber (13); and the locking piece (12) is arranged on the outer surface of the other side of the spring (11).

6. An ultrapure water improvement device as claimed in claim 5, characterized in that: The limiting ring (10) is provided with a locking recess (26) at the outlet of the two groups of the locking members (12), and the outer surfaces of the two groups of the locking members (12) on the side away from the filter cover (6) are fixedly connected to a pressing rod (15), and the ends of the two groups of the pressing rods (15) on the side away from the filter cover (6) are fixedly connected to a pressing contact (7).

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