Chemical liquid filter

Abstract

The utility model discloses a chemical liquid filter, it includes filter upper main part, filter upper main part bottom side is fixed with filter lower main part, the outlet pipe is fixed with in the filter lower main part bottom, the outlet pipe upper end is through to the inside of filter lower main part, filter upper main part outside left side is fixed with the inlet pipe, the inlet pipe right -hand member is through to the inside of filter upper main part, and the outlet pipe and inlet pipe outside all are provided with the valve body, filter upper main part top is provided with the apron, filter upper main part inside is provided with the filter assembly, the filter assembly includes filter upper board and filter lower board, is fixedly connected through a plurality of positioning column between filter upper board and filter lower board, and the inside of filter upper board and filter lower board all has the filter plate of nesting, both sides filter plate top surface all are through having the filter hole, through two layers of filter, enhance the stability of filter plate, and then directly through chemical liquid filter effect.

Description

Technical Field

[0001] This utility model relates to the field of chemical liquid technology, and in particular to a chemical liquid filter. Background Technology

[0002] Chemical liquids include industrial oils (gasoline, lubricating oil, etc.), food and pharmaceutical products (wine, vinegar, edible oil, alcohol, hydrogen peroxide, etc.), corrosive and hazardous substances (acids, alkalis, salt solutions, etc.), and daily chemical products (perfumes, disinfectants, etc.). Chemical liquid filtration is mainly used in the chemical industry for filtering particulate impurities, surface suspending agents, catalysts, gelatin, activated carbon, abrasive particles, etc. in chemical liquids.

[0003] In the prior art, a liquid filter described in CN213159647U includes, from top to bottom, a filter housing, a filter element holder, and a base. The filter housing has a liquid inlet, a pressure gauge interface, and an exhaust port on its top. The filter element holder is fitted with a filter element, and the filter element holder is sealed to both the filter housing and the base via sealing rings. This invention changes the location of the liquid inlet from the filter element holder to the filter housing, avoiding the connection between the liquid before and after filtration due to seal failure at the liquid inlet. However, this device does not have a dual filtration structure, which directly reduces the precision of the filtration layer when filtering chemical liquids. Furthermore, the stability of a single-layer filter plate is not strong, thus directly reducing the filtration effect of the chemical liquid. Utility Model Content

[0004] The purpose of this invention is to provide a chemical liquid filter to solve the problem that the current device does not have a dual filtration structure, which leads to a direct decrease in the precision of the filter layer during the filtration of chemical liquids, and the single-layer filter plate is not very stable, thus directly reducing the filtration effect of chemical liquids.

[0005] To achieve the above objectives, a chemical liquid filter is provided, comprising an upper filter body, a lower filter body fixed to the bottom of the upper filter body, an outlet pipe fixed to the bottom of the lower filter body, the upper end of the outlet pipe extending into the inner side of the lower filter body, an inlet pipe fixed to the left side of the upper filter body, the right end of the inlet pipe extending into the inner side of the upper filter body, and valve bodies provided on the outside of both the outlet pipe and the inlet pipe; a cover plate provided on the top of the upper filter body; and a filter assembly provided inside the upper filter body, the filter assembly comprising an upper filter plate and a lower filter plate, the upper filter plate and the lower filter plate being fixedly connected by multiple positioning posts, and filter plates nested inside the upper filter plate and the lower filter plate, with filter holes penetrating the top surface of both filter plates.

[0006] According to the aforementioned chemical liquid filter, both ends of the top of the filter plate are fixed with snap-fit ​​components. Each snap-fit ​​component includes a snap-fit ​​post, and a snap-fit ​​ring is fixed to the top of the snap-fit ​​post. Each snap-fit ​​ring has a snap-fit ​​hole on its inner side, and both snap-fit ​​holes extend to the inner side of the filter body.

[0007] According to the aforementioned chemical liquid filter, both the upper and lower filter plates are fixed with protective rings between themselves and their inner filter plates.

[0008] According to the aforementioned chemical liquid filter, a square ring is fixed to the bottom of the outer part of the filter body, and support plates are fixed around the bottom of the square ring. The bottoms of the multiple support plates are all roughened.

[0009] According to the aforementioned chemical liquid filter, both the upper and lower filter plates have multiple embedded grooves on their exterior surfaces.

[0010] According to the aforementioned chemical liquid filter, lifting rings are fixed at both ends of the top of the filter plate.

[0011] According to the aforementioned chemical liquid filter, both the upper and lower bodies of the filter are smoothly arranged inside.

[0012] According to the aforementioned chemical liquid filter, the upper ends of the lifting rings on both sides are arc-shaped.

[0013] The above solution has the following beneficial effects: The chemical liquid flows into the inner side of the upper filter body through the inlet pipe, and then the chemical liquid falls directly to the top side of the upper filter plate. The chemical liquid undergoes the first layer of filtration through the filter plate inside the upper filter plate. Then the filtered chemical liquid falls directly to the top side of the lower filter plate, and undergoes the second layer of filtration through the filter plate inside the lower filter plate. After two layers of filtration, the chemical liquid flows into the inner side of the lower filter body. Finally, the valve body on the outside of the outlet pipe is opened to discharge the filtered chemical liquid.

[0014] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0016] Figure 1 This is a schematic diagram of the main body of a chemical liquid filter according to the present invention;

[0017] Figure 2 This is a schematic diagram of the overall filter assembly of a chemical liquid filter according to this utility model;

[0018] Figure 3 This is an enlarged schematic diagram of point A of a chemical liquid filter according to this utility model;

[0019] Figure 4 This is an internal schematic diagram of a chemical liquid filter according to the present invention.

[0020] Legend:

[0021] 1. Upper body of the filter; 2. Lower body of the filter; 3. Outlet pipe; 4. Inlet pipe; 5. Valve body; 6. Cover plate; 7. Upper filter plate; 8. Lower filter plate; 9. Positioning post; 10. Filter plate; 11. Filter hole; 12. Snap-fit ​​post; 13. Snap-fit ​​ring; 14. Snap-fit ​​hole; 15. Protective ring sleeve; 16. Square ring; 17. Support plate; 18. Embedded inner groove; 19. Lifting ring. Detailed Implementation

[0022] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0023] Reference Figure 1-4This utility model discloses a chemical liquid filter, comprising an upper filter body 1, a lower filter body 2 fixed to the bottom of the upper filter body 1, an outlet pipe 3 fixed to the bottom of the lower filter body 2, the upper end of the outlet pipe 3 extending into the inner side of the lower filter body 2, an inlet pipe 4 fixed to the left side of the upper filter body 1, the right end of the inlet pipe 4 extending into the inner side of the upper filter body 1, and valve bodies 5 provided on the outside of both the outlet pipe 3 and the inlet pipe 4, a cover plate 6 provided on the top of the upper filter body 1, and a filter assembly provided inside the upper filter body 1, the filter assembly including an upper filter plate 7 and a lower filter plate 8, the upper filter plate 7 and the lower filter plate 8 being fixedly connected by multiple positioning pins 9, and filter plates 10 nested inside the upper filter plate 7 and the lower filter plate 8, with filter holes 11 penetrating the top surface of both filter plates 10. In the prior art, current devices do not have a dual filtration design. The structure of the filter layer can lead to a decrease in the precision of the filter layer during the filtration of chemical liquids, and the stability of the single-layer filter plate is also weak, which in turn directly reduces the filtration effect of the chemical liquids. To address this problem, this utility model adopts a filter assembly installed inside the upper body 1 of the filter. The chemical liquid is first introduced into the upper body 1 of the filter through the inlet pipe 4, and then the chemical liquid falls directly to the top of the upper filter plate 7. The filter plate 10 inside the upper filter plate 7 performs the first layer of filtration on the chemical liquid. Then the filtered chemical liquid falls directly to the top of the lower filter plate 8, and performs the second layer of filtration on the filter plate 10 inside the lower filter plate 8. After two layers of filtration, the chemical liquid flows into the lower body 2 of the filter. Finally, the valve 5 outside the outlet pipe 3 is opened to discharge the filtered chemical liquid.

[0024] Both ends of the top of the filter upper plate 7 are fixed with snap-fit ​​components. Each snap-fit ​​component includes a snap-fit ​​post 12. A snap-fit ​​ring 13 is fixed to the top of the snap-fit ​​post 12. Snap-fit ​​holes 14 are opened on the inner side of both snap-fit ​​rings 13. Both snap-fit ​​holes 14 extend to the inner side of the filter upper body 1. By setting snap-fit ​​components at both ends of the top of the filter upper plate 7, the filter components are first snapped onto the inner side of the filter upper body 1 using the snap-fit ​​post 12 and snap-fit ​​ring 13. Then, reinforcing bolts are screwed into the snap-fit ​​holes 14 on both sides, thereby achieving a stable filter component.

[0025] Both the upper filter plate 7 and the lower filter plate 8 are fixed with protective rings 15 between them and their inner filter plates 10. By setting the protective rings 15, the filter plates 10 inside the upper filter plate 7 and the lower filter plate 8 can be externally protected to avoid affecting their performance. A square ring 16 is fixed to the bottom of the upper filter body 1. Support plates 17 are fixed around the bottom of the square ring 16. The bottoms of the multiple support plates 17 are roughened. By setting the square ring 16 and the support plates 17, the upper filter body 1 and the lower filter body 2 are supported.

[0026] Both the upper filter plate 7 and the lower filter plate 8 have multiple embedded grooves 18 on their exteriors. By creating the embedded grooves 18, the wear resistance of the upper filter plate 7 and the lower filter plate 8 is improved. Both ends of the top of the upper filter plate 7 are fixed with lifting rings 19, which facilitates the lifting and cleaning of the filter assembly. The interiors of the upper filter body 1 and the lower filter body 2 are both smoothly designed to prevent other impurities from mixing into the interior of the chemical liquid filter, thereby affecting the filtration speed. The upper ends of the lifting rings 19 on both sides are arc-shaped to facilitate lifting.

[0027] Working principle: First, the filter assembly is snapped onto the inner side of the upper filter body 1 using the snap-fit ​​post 12 and snap-fit ​​ring 13. Then, reinforcing bolts are screwed into the snap-fit ​​holes 14 on both sides to stabilize the filter assembly. Next, the chemical liquid flows into the inner side of the upper filter body 1 through the inlet pipe 4. Then, the chemical liquid will fall directly to the top side of the upper filter plate 7 and undergo the first layer of filtration through the filter plate 10 inside the upper filter plate 7. Then, the filtered chemical liquid will fall directly to the top side of the lower filter plate 8 and undergo the second layer of filtration through the filter plate 10 inside the lower filter plate 8. After two layers of filtration, the chemical liquid will flow into the inner side of the lower filter body 2. Finally, the valve body 5 on the outside of the outlet pipe 3 is opened to discharge the filtered chemical liquid.

[0028] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A chemical liquid filter, comprising: The filter upper body (1) is characterized in that a filter lower body (2) is fixed to the bottom side of the filter upper body (1), an outlet pipe (3) is fixed to the bottom of the filter lower body (2), the upper end of the outlet pipe (3) extends to the inner side of the filter lower body (2), an inlet pipe (4) is fixed to the left side of the filter upper body (1), the right end of the inlet pipe (4) extends to the inner side of the filter upper body (1), and valve bodies (5) are provided on the outside of both the outlet pipe (3) and the inlet pipe (4), a cover plate (6) is provided on the top of the filter upper body (1), and a filter assembly is provided inside the filter upper body (1), the filter assembly includes an upper filter plate (7) and a lower filter plate (8), the upper filter plate (7) and the lower filter plate (8) are fixedly connected by multiple positioning posts (9), and filter plates (10) are nested inside the upper filter plate (7) and the lower filter plate (8), and filter holes (11) are passed through the top surface of the filter plates (10) on both sides.

2. A chemical liquid filter according to claim 1, characterized in that, Both ends of the top of the filter plate (7) are fixed with snap-fit ​​components. Both snap-fit ​​components include snap-fit ​​posts (12). The top of the snap-fit ​​posts (12) is fixed with snap-fit ​​rings (13). The inner sides of the two snap-fit ​​rings (13) are provided with snap-fit ​​holes (14). The snap-fit ​​holes (14) on both sides are connected to the inner side of the filter upper body (1).

3. A chemical liquid filter according to claim 1, characterized in that, Both the upper filter plate (7) and the lower filter plate (8) are fixed with protective rings (15) between them and their inner filter plates (10).

4. A chemical liquid filter according to claim 1, characterized in that, A square ring (16) is fixed to the bottom of the main body (1) of the filter. Support plates (17) are fixed around the bottom of the square ring (16). The bottoms of the multiple support plates (17) are roughened.

5. A chemical liquid filter according to claim 1, characterized in that, Both the upper filter plate (7) and the lower filter plate (8) have multiple embedded grooves (18) on their exterior.

6. A chemical liquid filter according to claim 1, characterized in that, Both ends of the top of the filter plate (7) are fixed with lifting rings (19).

7. A chemical liquid filter according to claim 1, characterized in that, The upper body (1) and the lower body (2) of the filter are both smoothly arranged inside.

8. A chemical liquid filter according to claim 6, characterized in that, The upper ends of the lifting rings (19) on both sides are arc-shaped.

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