CN219462681U

CN219462681U - Filter element special for backwashing filter

Info

Publication number: CN219462681U
Application number: CN202223586895.0U
Authority: CN
Inventors: 肖磊; 陈冬勤
Original assignee: Jiangsu Unite Filtration Equipment Co ltd
Current assignee: Jiangsu Unite Filtration Equipment Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-08-04
Anticipated expiration: 2032-12-31

Abstract

The utility model discloses a special filter element for a back flushing filter, which comprises a filter element body, wherein an upper joint is communicated with the top of the filter element body, a mounting ring which is fixedly connected is arranged on the surface of the upper joint, a sealing gasket is sleeved on the mounting ring, a thread ring layer is further arranged on the surface of the mounting ring, a double-layer limit nut which is in threaded connection with the thread ring layer is further arranged above the sealing gasket, a wedge-shaped filter assembly is arranged inside the filter element body, the wedge-shaped filter assembly is specifically a plurality of layers of wedge-shaped nets which are arranged in parallel and are fixed on the inner wall of the filter element body, and each wedge-shaped net comprises a support rod fixed on the inner wall of the filter element body and a wedge-shaped wire welded with the support rod.

Description

Filter element special for backwashing filter

Technical Field

The utility model belongs to the technical field of filters, and particularly relates to a special filter element for a back flushing filter.

Background

The filter element structure of the existing filter is generally of a one-way structure or a two-way structure, wherein the two-way structure filter element is provided with a fixing element which is installed in a round table shape because of two-way water inflow, compared with the one-way filter element with the same size, the two-way filter element has the advantages of large actual use area of a filter screen, good backwashing effect and the like, but large particles or strip impurities are easily blocked by middle elements in the two-way filter element, so that the working efficiency of the filter is influenced, the service life is influenced due to long-time accumulation, and the filter element is difficult to clean and inconvenient to maintain.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a special filter element for a backwashing filter, which aims to solve the problems in the background art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the special filter element for the backwashing filter comprises a filter element body, wherein an upper joint is communicated with the top of the filter element body, a fixedly connected mounting ring is arranged on the surface of the upper joint, a sealing gasket is sleeved on the mounting ring, a thread ring layer is further arranged on the surface of the mounting ring, and a double-layer limit nut in threaded connection with the thread ring layer is further arranged above the sealing gasket; the filter element comprises a filter element body and is characterized in that a wedge-shaped filter assembly is arranged inside the filter element body, the wedge-shaped filter assembly is specifically a plurality of layers of wedge-shaped nets which are fixed on the inner wall of the filter element body and are arranged in parallel, each wedge-shaped net comprises a support rod fixed on the inner wall of the filter element body and wedge-shaped wires welded with the support rods.

Preferably, filtering gaps are reserved between the wedge-shaped nets which are arranged in parallel.

Preferably, the bottom of the filter element body is provided with a fixedly connected filter element bottom plate.

Preferably, the inner wall of the filter element body is also provided with a reinforcing plate fixedly connected.

Preferably, the wedge net is made of a corrosion-resistant and high temperature-resistant material.

The utility model provides a special filter element for a backwashing filter, which has the following beneficial effects:

(1) Smooth and beautiful surface, damage resistance, corrosion resistance, high temperature resistance, long service life, convenient maintenance, easy cleaning and the like.

(2) The joint adopts a sealing washer and double nuts locking design, so that the sealing effect can be ensured, and the risk of reverse falling of the filter element can be reduced.

(3) It is widely used for various viscous liquids such as sewage, lubricating oil, paint, chemical raw materials, polyurethane, etc.

Drawings

Fig. 1 is a schematic view of the internal structure of the present utility model.

In the figure, 1, an upper joint; 2. wedge wire; 3. a support rod; 4. a filter element bottom plate; 5. a filter element body; 6. a reinforcing plate; 7. a sealing gasket; 8. a double-layer limit nut; 9. a wedge-shaped filter assembly; 10. wedge net.

Description of the embodiments

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1, the present utility model provides a technical solution: a special filter element for a backwashing filter comprises a filter element body 5, wherein a reinforcing plate 6 which is fixedly connected is further arranged on the inner wall of the filter element body 5. The top of the filter element body 5 is communicated with an upper joint 1, the surface of the upper joint 1 is provided with a fixedly connected mounting ring, a sealing gasket 7 is sleeved on the mounting ring, the surface of the mounting ring is also provided with a thread ring layer, and a double-layer limit nut 8 in threaded connection with the thread ring layer is further arranged above the sealing gasket 7. The inside wedge filter component 9 that is equipped with of filter core body 5, wedge filter component 9 specifically are the wedge net 10 of being fixed in the parallel arrangement of a plurality of layers of filter core body 5 inner wall, and wedge net 10 is including being fixed in bracing piece 3 on the filter core body 5 inner wall, with bracing piece 3 welded wedge silk 2, keep the filter gap between the wedge net 10 of parallel arrangement. The wedge-shaped net 10 is made of corrosion-resistant and high-temperature-resistant materials, and the bottom of the filter element body 5 is provided with a fixedly connected filter element bottom plate 4.

Specific use and action of the embodiment: when the filtering work is carried out, solids are blocked and deposited on a smooth surface to form a filter cake, the filter cake can block finer solid particles, the non-blocked very tiny particles do not block when passing through the V-shaped gaps, and the sealing gasket 7 and the double-nut locking design are adopted at the joint, so that the sealing effect can be ensured, and the risk of reverse falling of the filter element can be reduced. The special filter element can be widely used for various viscous liquids such as sewage, lubricating oil, paint, chemical raw materials, polyurethane and the like.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a special filter core of back flush filter, includes filter core body (5), its characterized in that: the top of the filter element body (5) is communicated with an upper joint (1), the surface of the upper joint (1) is provided with a fixedly connected mounting ring, the mounting ring is sleeved with a sealing gasket (7), the surface of the mounting ring is also provided with a thread ring layer, and a double-layer limit nut (8) in threaded connection with the thread ring layer is also arranged above the sealing gasket (7); the novel filter element is characterized in that a wedge-shaped filter assembly (9) is arranged inside the filter element body (5), the wedge-shaped filter assembly (9) is specifically a plurality of layers of wedge-shaped nets (10) which are fixed on the inner wall of the filter element body (5) and are arranged in parallel, and each wedge-shaped net (10) comprises a supporting rod (3) fixed on the inner wall of the filter element body (5) and wedge-shaped wires (2) welded with the supporting rods (3).

2. The backwash filter dedicated cartridge of claim 1 wherein: filter gaps are reserved among the wedge-shaped nets (10) which are arranged in parallel.

3. The backwash filter dedicated cartridge of claim 1 wherein: the bottom of the filter element body (5) is provided with a fixedly connected filter element bottom plate (4).

4. The backwash filter dedicated cartridge of claim 1 wherein: the inner wall of the filter element body (5) is also provided with a reinforcing plate (6) which is fixedly connected.

5. The backwash filter dedicated cartridge of claim 1 wherein: the wedge-shaped net (10) is made of a corrosion-resistant and high-temperature-resistant material.