Nanofiltration filter element structure for water treatment

Abstract

The utility model discloses a nanofiltration filter element structure for water treatment, which comprises a filter element shell, an early-stage filter seat is arranged in the middle of the inner side of a turnover plate, a filter element inner cylinder is arranged on the inner side of an inner support, an inner cylinder body is arranged in the middle of the filter element inner cylinder, and a filter material cavity is formed between the inner cylinder body and the filter element inner cylinder; the inner support with the filter element inner cylinder is arranged in the filter element shell, and the turnover plates capable of being opened towards the two sides are arranged on the two sides of the filter element shell, so that when a filter material is replaced, the turnover plates are directly opened towards the two sides, and the filter material in the filter element can be conveniently replaced by exposing an early-stage filter seat without needing to be replaced like a traditional multi-layer filter element; during filtering, liquid is fed through the liquid inlet pipeline, water enters the early-stage filtering seat for early-stage filtering, then is discharged from the screen plate, flows into the inner barrel of the filter element along the inner barrel and is filtered again through the first filtering material in the inner barrel of the filter element, and therefore water treatment is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of water treatment, in particular to a nanofiltration filter element structure for water treatment. Background Art

[0002] Water treatment methods include physical treatment and chemical treatment. Humans have been treating water for many years. Physical methods include using filter materials with different pore sizes to remove impurities in the water by adsorption or barrier methods. The more important adsorption method is adsorption with activated carbon. The barrier method is to pass water through the filter material to prevent larger impurities from passing through, thereby obtaining cleaner water. In the existing operation of filtering water through filter materials, the internal filter element structure is arranged in a stacked structure from top to bottom, so that filtering is performed through a variety of different types of filter materials. After long-term filtration, the filter material inside the filter element also needs to be replaced, but the existing filter elements are arranged in multiple layers up and down. Therefore, it is inconvenient to replace the filter material and needs to be improved. Utility Model Content

[0003] The purpose of the utility model is to provide a nanofiltration filter element structure for water treatment to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] The nanofiltration filter element structure for water treatment comprises a filter element shell, an inner support, a flip plate, a filter element inner cylinder, a support arm and a sliding arm, wherein flip plates are movably arranged on both sides of the filter element shell through a rotating rod, an early filter seat is arranged at the middle position of the inner side of the flip plate, a filter cavity is arranged inside the early filter seat, pressing grooves are arranged on both sides of the inner side of the filter element shell, the early filter seat is placed inside the pressing groove, an inner cavity is arranged inside the filter element shell, the inner cavity is communicated with the pressing groove, an inner support is arranged inside the inner cavity, a filter element inner cylinder is arranged on the inner side of the inner support, an inner cylinder body is arranged in the middle of the filter element inner cylinder, a filter material cavity is formed between the inner cylinder body and the filter element inner cylinder, the front end of the early filter seat is arranged in an arc shape, and the early filter seat is pressed against the outer wall surface of the inner cylinder body.

[0006] Preferably, support arms are provided at the top and the bottom of the inner support, and the support arms cooperate with support transverse grooves provided at the top and the bottom of the inner cavity.

[0007] Preferably, a displacement slot is provided on the inner wall surface of the supporting transverse slot, sliding arms are fixedly connected to both ends of the supporting arm, a guide pulley is movably mounted on one end of the sliding arm, and the guide pulley slides inside the displacement slot.

[0008] Preferably, a feed port and a discharge port are respectively provided at the top and the bottom of the early filter seat, the discharge port and the feed port are both connected to the filter cavity, and side covers are provided on the outside of the feed port and the outside of the discharge port.

[0009] Preferably, a liquid inlet pipe is provided at the top of the early filter seat, the liquid inlet pipe is communicated with the filter chamber, and a mesh plate is provided on one side of the middle portion of the early filter seat.

[0010] Preferably, a locking bolt is threadedly connected to the outer side of the top of the early filter seat, a locking hole is opened on the top surface of the filter element housing, and one end of the locking bolt is threadedly connected to the inside of the locking hole.

[0011] Technical effects and advantages of the utility model:

[0012] The present application arranges an inner support with a filter cartridge inner cylinder inside the filter cartridge housing, places filter material 1 in the filter cartridge inner cylinder, and then installs the inner support, and at the same time arranges flip plates that can be opened toward both sides on both sides of the filter cartridge housing, and arranges an early filter seat on the inner side of the flip plate, so that filter material 2 can be placed inside the early filter seat. With such a structural arrangement, when replacing filter material 2, the flip plates can be directly opened toward both sides to expose the early filter seat, so that the internal filter material can be conveniently replaced. There is no need to pour out and replace layer by layer like a traditional multi-layer filter cartridge, and replacing the filter material is more convenient. When filtering, liquid is introduced through the liquid inlet pipe, and water enters the early filter seat for early filtration, and then is discharged at the mesh plate, and flows into the inner cylinder of the filter cartridge along the inner cylinder, and is filtered again through the filter material 1 inside the inner cylinder of the filter cartridge, thereby realizing water treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model.

[0014] Figure 2 This is a schematic diagram of the inner cavity structure of the utility model.

[0015] Figure 3 It is a schematic diagram of the inner support structure of the utility model.

[0016] Figure 4 This is a schematic diagram of the flip plate structure of the utility model.

[0017] Figure 5 It is a schematic diagram of the early filter seat structure of the utility model.

[0018] In the figure: 1. filter element housing; 2. inner support; 3. flip plate; 4. locking bolt; 5. clamping groove; 6. inner cavity; 7. displacement slide groove; 8. filter element inner tube; 9. support arm; 10. sliding arm; 11. guide pulley; 12. early filter seat; 13. mesh plate; 14. side cover plate; 15. liquid inlet pipe; 16. rotating rod; 17. feed port; 18. discharge port. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0020] The utility model provides Figure 1-5 The nanofiltration filter element structure for water treatment shown in the figure comprises a filter element housing 1, an inner support 2, a flip plate 3, a filter element inner cylinder 8, a support arm 9, and a sliding arm 10. The flip plates 3 are movably arranged on both sides of the filter element housing 1 through a rotating rod 16. An early filter seat 12 is arranged at the middle position of the inner side of the flip plate 3. A filter cavity is provided inside the early filter seat 12. Pressing grooves 5 are provided on both sides of the interior of the filter element housing 1. The early filter seat 12 is placed inside the pressing groove 5. An inner cavity 6 is provided inside the filter element housing 1. The inner cavity 6 is connected with the pressing groove 5, and an inner support 2 is arranged inside the inner cavity 6, and a filter element inner cylinder 8 is arranged on the inner side of the inner support 2. An inner cylinder body is arranged in the middle of the filter element inner cylinder 8, and a filter material cavity is formed between the inner cylinder body and the filter element inner cylinder 8. The front end of the early filter seat 12 is arranged in an arc shape, and the early filter seat 12 is pressed against the outer wall surface of the inner cylinder body. The filter material filled in the filter element inner cylinder 8 and the early filter seat 12 of the present application adopts the existing conventional disclosed filter material structure, such as a ceramic filter element, a cellulose filter element or a nano filter element.

[0021] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the nanofiltration filter element structure for water treatment of the present invention is specifically provided with support arms 9 at the top and bottom of the inner support 2 , and the support arms 9 cooperate with the support transverse grooves provided at the top and bottom of the inner cavity 6 .

[0022] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, the nanofiltration filter element structure for water treatment of the utility model is specifically, a displacement groove 7 is opened on the inner wall surface of the supporting transverse groove, both ends of the supporting arm 9 are fixedly connected with a sliding arm 10, and one end of the sliding arm 10 is movably mounted with a guide pulley 11, and the guide pulley 11 slides inside the displacement groove 7. When the inner support 2 is pulled out, the guide pulleys 11 can be used for guiding and supporting on both sides, so that it is smoother when pulled out.

[0023] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the nanofiltration filter element structure for water treatment of the utility model is specifically, a feed port 17 and a discharge port 18 are respectively provided at the top and the bottom of the early filter seat 12, the discharge port 17 and the feed port 18 are both connected to the filter cavity, and a side cover plate 14 is provided on the outside of the feed port 17 and the outside of the discharge port 18.

[0024] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the nanofiltration filter element structure for water treatment of the present invention is specifically provided with a liquid inlet pipe 15 at the top of the early filter seat 12, the liquid inlet pipe 15 is connected to the filter chamber, and a mesh plate 13 is provided on one side of the middle part of the early filter seat 12.

[0025] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the nanofiltration filter element structure for water treatment of the utility model is specifically, a locking bolt 4 is threadedly connected to the top outer side of the early filter seat 12, a locking hole is opened on the top surface of the filter element housing 1, and one end of the locking bolt 4 is threadedly connected to the inside of the locking hole.

[0026] Working principle of the utility model: when filtering, the flip plate 3 is opened toward both sides, and then the early filter seat 12 slides from the inside of the pressing groove 5. At this time, the inner support 2 and the filter element inner cylinder 8 inside the inner cavity 6 lose the pressing of the early filter seat 12, and can also be directly disassembled, and then the filter material is filled in the filter element inner cylinder 8, and the inner support 2 and the filter element inner cylinder 8 are installed again, and the side cover plate 14 on the top of the feed port 17 is opened, and the filter material is loaded into the early filter seat 12, and then the side cover plate 14 is covered, and then the flip plate 3 is pushed inward, so that the early filter seat 12 is The filter seat 12 enters into the pressing groove 5 and is pressed against the outside of the inner cylinder body, pressing the inner support 2 and the filter element inner cylinder 8. After the installation is completed, water filtration begins. During filtration, liquid is introduced through the liquid inlet pipe 15, and the water enters the early filter seat 12 for early filtration, and then is discharged from the mesh plate 13. Since the mesh plate 13 is just pressed against the top position of the filter element inner cylinder 8, the outlet water flows into the filter element inner cylinder 8 along the inner cylinder body, and is filtered again through the filter material inside the filter element inner cylinder 8, thereby realizing water treatment.

[0027] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The specific embodiments described in this article are only used to illustrate the spirit of the utility model. The technicians in the technical field of the utility model can make various modifications or supplements to the specific embodiments described or replace them in a similar way, but they will not deviate from the spirit of the utility model or exceed the scope defined by the attached claims.

Claims

1. A nanofiltration filter element structure for water treatment, comprising a filter element housing (1), an inner support (2), a flip plate (3), a filter element inner cylinder (8), a support arm (9), and a sliding arm (10), characterized in that: The filter element housing (1) is provided with a flip plate (3) on both sides thereof so as to be movable by means of a rotating rod (16); an early filter seat (12) is provided at the middle position of the inner side of the flip plate (3); a filter cavity is provided inside the early filter seat (12); pressing grooves (5) are provided on both sides of the inner side of the filter element housing (1); the early filter seat (12) is placed inside the pressing grooves (5); an inner cavity (6) is provided inside the filter element housing (1); the inner cavity (6) is communicated with the pressing grooves (5); an inner support (2) is provided inside the inner cavity (6); a filter element inner cylinder (8) is provided on the inner side of the inner support (2); an inner cylinder body is provided in the middle of the filter element inner cylinder (8); a filter material cavity is formed between the inner cylinder body and the filter element inner cylinder (8); the front end of the early filter seat (12) is arranged in an arc shape, and the early filter seat (12) is pressed against the outer wall surface of the inner cylinder body.

2. The nanofiltration filter element structure for water treatment according to claim 1, characterized in that: The top and bottom of the inner support (2) are both provided with support arms (9), and the support arms (9) cooperate with support transverse grooves provided at the top and bottom of the inner cavity (6).

3. The nanofiltration filter element structure for water treatment according to claim 2, characterized in that: The inner wall surface of the supporting transverse groove is provided with a displacement slide groove (7), both ends of the supporting arm (9) are fixedly connected with a sliding arm (10), one end of the sliding arm (10) is movably mounted with a guide pulley (11), and the guide pulley (11) slides inside the displacement slide groove (7).

4. The nanofiltration filter element structure for water treatment according to claim 1, characterized in that: The top and bottom of the early filter seat (12) are respectively provided with a feed port (17) and a discharge port (18); the discharge port (18) and the feed port (17) are both connected to the filter chamber; and side covers (14) are provided on the outside of the feed port (17) and the outside of the discharge port (18).

5. The nanofiltration filter element structure for water treatment according to claim 1, characterized in that: A liquid inlet pipe (15) is arranged at the top end of the early filter seat (12), and the liquid inlet pipe (15) is communicated with the filter chamber. A mesh plate (13) is arranged on one side of the middle portion of the early filter seat (12).

6. The nanofiltration filter element structure for water treatment according to claim 1, characterized in that: A locking bolt (4) is threadedly connected to the outer side of the top of the early filter seat (12), a locking hole is provided on the top surface of the filter element housing (1), and one end of the locking bolt (4) is threadedly connected to the inside of the locking hole.

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