CN219209170U

CN219209170U - Filter element for backwashing filter

Info

Publication number: CN219209170U
Application number: CN202223594281.7U
Authority: CN
Inventors: 张俊维; 杨志恒; 张俊广; 宋丽娟; 栗赞玲; 叶晓楠
Original assignee: Hebei Yangyuan Zhihui Beverage Co ltd
Current assignee: Hebei Yangyuan Zhihui Beverage Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-20
Anticipated expiration: 2032-12-30

Abstract

The utility model relates to the technical field of filtering equipment, in particular to a filter element for a back flushing filter, which comprises a filter cylinder and a flow distribution cone, wherein one end of the filter cylinder is provided with an opening and is connected to a flushing fluid discharge port of the back flushing filter, the flow distribution cone is axially arranged in the filter cylinder, the filter element further comprises a protective cover, the protective cover is sleeved outside the filter cylinder in a cylindrical shape, one end of the protective cover is provided with an opening, the other end of the protective cover is closed and is detachably connected to one end of the filter cylinder far away from the flushing fluid discharge port, and impurities can pass through the side wall of the protective cover. This application prevents through setting up the protection casing that the cartridge filter from being directly knocked with, extrudees for filter cartridge's protective properties reinforcing has prolonged the live time of filter core, has reduced the maintenance frequency and the maintenance cost of filter core.

Description

Filter element for backwashing filter

Technical Field

The utility model relates to the technical field of filtering equipment, in particular to a filter element for a back flushing filter.

Background

The back flushing filter is one precise equipment to intercept water impurity directly with filter screen to eliminate suspended matter and granule in water and to purify water and protect other equipment. Can be used for filtering water in industries such as industry, agriculture, medicine, printing and dyeing, etc. Wherein, the filter element for the back flush filter is one of the indispensable filtering structures of the back flush filter.

The existing filter element for the backwash filter comprises a filter cylinder and a diverter cone, wherein one end of the filter cylinder is provided with an opening, the end part of the filter cylinder is welded at a flushing fluid discharge port of the backwash filter, the diverter cone is axially fixed in the filter cylinder, a tip end faces one side of the opening of the filter cylinder, the filter cylinder and the diverter cone are integrally formed, and flushing fluid is sprayed towards the tip end to improve flushing uniformity; the material is put in the cartridge filter by cartridge filter open end, and back flush filter sprays the flushing fluid towards the reposition of redundant personnel awl, and the flushing fluid that mixes the waste material passes the cartridge filter and discharges. However, the filter element for the back flushing filter is usually required to be periodically detached and replaced for maintenance, and the filter element is easy to collide and squeeze in the process of carrying and cleaning the filter element, so that the filter element is damaged, and the filtering effect is affected.

Disclosure of Invention

Therefore, the utility model aims to overcome the defect that the filter element is damaged due to collision when the filter element for the existing back flush filter is carried and cleaned, thereby providing the filter element for the back flush filter.

In order to solve the above problems, the utility model provides a filter element for a backwash filter, which comprises a filter cartridge and a diverter cone, wherein an opening at one end of the filter cartridge is connected to a backwash filter flushing fluid discharge port, the diverter cone is axially arranged in the filter cartridge, and the filter element further comprises:

the protection casing, the protection casing is the tube-shape cover and establishes outside the cartridge filter, the one end opening setting of protection casing, the other end of protection casing seals and can dismantle the one end of connecting keeping away from the flushing fluid discharge port at the cartridge filter, the lateral wall of protection casing can supply impurity to wear to establish.

Optionally, the one end opening setting that the flushing fluid discharge port was kept away from to the cartridge filter, be equipped with interior screw thread on the protection casing unopened one end inner wall, the cartridge filter is kept away from the one end of go-between and is equipped with outer screw thread, is suitable for the protection casing cover to locate outside the cartridge filter through interior and exterior screw thread detachable connection.

Optionally, the protective cover is a hard net, and the pore diameter of the net is larger than the outer diameter of the filtering cylinder for filtering out impurities.

Optionally, the split cone is detachably connected to the filter cartridge.

Optionally, the diverter cone is fixed in the protective cover along the axial direction, and one end of the diverter cone is fixed at the end part of the protective cover, which is not opened.

Optionally, the filter further comprises a connecting ring, wherein the connecting ring is fixed at the flushing liquid discharge port of the backwashing filter, and the other end of the connecting ring is detachably connected to the filter cartridge.

Optionally, an inner/outer screw thread is provided on the peripheral wall of the connection ring, and an outer/inner screw thread is provided at one end of the filter cartridge close to the flushing fluid discharge port, and is adapted to be detachably connected through the inner/outer screw thread when the connection ring is connected with the filter cartridge.

Optionally, the diverter cone is disposed on an axis of the filter cartridge.

The utility model has the following advantages:

1. according to the filter element for the back flushing filter, the protective cover is arranged to prevent the filter cylinder from being directly knocked and extruded, so that the protective performance of the filter cylinder is enhanced, the knocks and extrusion possibly caused in the filter element carrying and cleaning processes are reduced, the safety of the filter element is improved, the service time of the filter element is prolonged, and the maintenance frequency and the maintenance cost of the filter element are reduced.

2. According to the filter element for the backwashing filter, provided by the embodiment of the utility model, through the detachable connection between the protective sleeve and the filter cartridge, when the protective sleeve or the filter cartridge needs to be replaced independently, the protective sleeve and the filter cartridge are replaced independently, and the recycling of the protective sleeve or the filter cartridge is realized.

3. According to the filter element for the backwashing filter, provided by the embodiment of the utility model, the split cone and the filter cartridge are detachably connected, so that the split cone and the filter cartridge are independently detached and replaced when the split cone or the filter cartridge is required to be independently replaced, and the disassembly and the assembly are convenient; compared with the existing integrated molding of the flow dividing cone and the filter cartridge, the recycling of the flow dividing cone or the filter cartridge is realized, the replacement cost is saved, the transportation cost is reduced, and the maintenance labor intensity is reduced.

4. According to the filter element for the back flush filter, the connecting ring is arranged, so that the detachable connection between the filter cartridge and the back flush filter is realized, and compared with the conventional method that the filter cartridge is welded and fixed on the back flush filter, the inner and outer screw threads are connected, so that the detachment efficiency of the filter cartridge is improved, and meanwhile, the integrity of the filter cartridge after being detached is ensured.

5. According to the filter element for the back flush filter, when the flushing fluid needs to flush the materials, the flushing fluid is sprayed to the tip end of the flow dividing cone, and the flow dividing cone arranged on the axis of the filter cylinder enables the flushing fluid to uniformly rebound to the materials around the flow dividing cone by taking the axis as the center, and meanwhile the flow dividing cone guides the flushing fluid, so that the flushing efficiency of the flushing fluid is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is an axial exploded view of an embodiment of the present application;

reference numerals illustrate:

1. a filter cartridge; 2. a split cone; 3. a protective cover; 4. and a connecting ring.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" 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 "mounted," "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, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

As shown in fig. 1, the embodiment of the application provides a filter element for a back flush filter, which comprises a filter cartridge 1 and a diverter 2, wherein one end of the filter cartridge 1 is provided with an opening and is connected to a flushing fluid discharge port of the back flush filter, the diverter 2 is axially arranged in the filter cartridge 1, the filter element further comprises a protective cover 3, the protective cover 3 is sleeved outside the filter cartridge 1 in a cylindrical shape, one end of the protective cover 3 is provided with an opening, the other end of the protective cover 3 is closed and is detachably connected to one end of the filter cartridge 1 away from the flushing fluid discharge port, and the side wall of the protective cover 3 can be penetrated by impurities; through setting up protection casing 3, prevent cartridge filter 1 by direct collision, extrusion for the barrier propterty reinforcing of cartridge filter 1 has reduced the collision, the extrusion that probably cause in the filter core transport, the cleaning process, has improved the security of filter core, has prolonged the live time of filter core, has reduced the maintenance frequency and the maintenance cost of filter core.

As shown in fig. 1, the filter cartridge 1 is arranged at an end opening far away from the flushing fluid discharge port, an inner screw thread is arranged on the inner wall of one end of the protective cover 3, which is not open, an outer screw thread is arranged at one end of the filter cartridge 1 far away from the connecting ring 4, and the protective cover 3 is suitable for being detachably connected through the inner screw thread and the outer screw thread when being sleeved outside the filter cartridge 1.

Through the detachable connection between protective sheath and cartridge filter 1, when protective sheath or cartridge filter 1 need change alone, realized the individual dismantlement of protective sheath and cartridge filter 1 and trade, realized the reuse of protective sheath or cartridge filter 1.

Alternatively, the detachable connection between the protective sleeve and the filter cartridge 1 may be any form including the above-mentioned inner and outer screw thread fit, as long as the connection manner of achieving the detachable connection therebetween is within the scope of the present solution.

As shown in fig. 1, the protection cover 3 is a hard net, the pore diameter of the net is larger than the outer diameter of the filter cartridge 1 for filtering out impurities, and the protection cover 3 may be made of any hard material such as chromium, so as to protect the filter cartridge 1.

As shown in fig. 1, the diverter cone 2 is detachably connected to the filter cartridge 1, the diverter cone 2 is fixedly arranged in the protective cover 3 along the axial direction, and one end of the diverter cone 2 is fixedly arranged at the end part of the protective cover 3, which is not opened;

usually, the filter element for the back flush filter is integrally formed, when the filter element 1 or the shunt cone 2 needs to be maintained and replaced, the filter element for the back flush filter needs to be integrally conveyed to a manufacturer, the filter element is integrally heavy, so that the transportation cost is high, and meanwhile, in the maintenance process, all parts of the filter element need to be cut by using special tools, and the labor intensity is increased. Through the detachable connection between the shunt cone 2 and the filter cartridge 1, when the shunt cone 2 or the filter cartridge 1 needs to be replaced independently, the shunt cone 2 and the filter cartridge 1 are replaced independently, so that the disassembly and the assembly are convenient; compared with the existing integrated molding of the flow dividing cone 2 and the filter cartridge 1, the recycling of the flow dividing cone 2 or the filter cartridge 1 is realized, the replacement cost is saved, the transportation cost is reduced, and the maintenance labor intensity is reduced.

As shown in fig. 1, the filter element for the back flush filter further comprises a connecting ring 4, wherein the connecting ring 4 is fixed at the flushing liquid discharge port of the back flush filter, and the other end of the connecting ring 4 is detachably connected to the filter cartridge 1; the periphery wall of the connecting ring 4 is provided with inner/outer screw threads, and one end of the filter cartridge 1 close to the flushing fluid discharge port is provided with the outer/inner screw threads, so that the filter cartridge 1 can be detachably connected through the inner/outer screw threads when the connecting ring 4 is connected with the filter cartridge 1.

Through setting up go-between 4, realized dismantling the connection between cartridge filter 1 and the back flush filter, compare in current with cartridge filter 1 welded fastening on the back flush filter, inside and outside screw thread connection has improved cartridge filter 1's dismantlement efficiency, has guaranteed the integrality after cartridge filter 1 dismantles simultaneously.

Alternatively, the detachable connection between the filter cartridge 1 and the connection ring 4 may be any form including the above-mentioned internal and external screw thread engagement, as long as the connection manner of achieving the detachable connection therebetween is within the scope of the present solution.

As shown in fig. 1, the diverter cone 2 is columnar and is arranged on the axis of the filter cartridge 1, and one end of the diverter cone 2 facing the flushing liquid discharge port is a tip; when the flushing fluid needs to wash the material, the point of reposition of redundant personnel awl 2 is sprayed to the flushing fluid, locates the epaxial reposition of redundant personnel awl 2 of cartridge filter 1 and makes the flushing fluid use the axis to evenly rebound to the material around oneself on, and the reposition of redundant personnel awl 2 leads the flushing fluid simultaneously, has improved the flushing efficiency of flushing fluid.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims

1. The utility model provides a filter core for backwash filter, includes cartridge filter (1) and reposition of redundant personnel awl (2), and cartridge filter (1) one end opening sets up, connects in backwash filter flushing fluid discharge port department, and in cartridge filter (1) were located along the axial to reposition of redundant personnel awl (2), its characterized in that still includes:

the protection casing (3), protection casing (3) are the tube-shape cover and establish outside cartridge filter (1), the one end opening setting of protection casing (3), the other end of protection casing (3) is sealed and can dismantle the one end of connecting keeping away from the flushing fluid discharge port at cartridge filter (1), the lateral wall of protection casing (3) can supply impurity to wear to establish.

2. The filter element for backwash filter according to claim 1, wherein the filter cartridge (1) is arranged at an end far away from the flushing fluid discharge port, an inner screw thread is arranged on an inner wall of an end, which is not opened, of the protective cover (3), an outer screw thread is arranged at an end, far away from the connecting ring (4), of the filter cartridge (1), and the filter cartridge is suitable for being detachably connected through the inner screw thread and the outer screw thread when the protective cover (3) is sleeved outside the filter cartridge (1).

3. A filter cartridge for a backflushing filter according to claim 2, characterized in that the protective cover (3) is a rigid screen, the pore size of which is larger than the outer diameter of the filter cartridge (1) from which impurities are filtered.

4. A filter cartridge for a backflushing filter according to claim 2, characterized in that the tapping cone (2) is detachably connected to the filter cartridge (1).

5. The filter element for a backwash filter according to claim 4, wherein the diverter cone (2) is axially fixed in the protective cover (3), and one end of the diverter cone (2) is fixed at an end of the protective cover (3) that is not open.

6. A filter cartridge for a backflushing filter according to any one of claims 1 to 5, further comprising a connection ring (4), the connection ring (4) being fixed to the backflushing fluid discharge port of the backflushing filter, the other end of the connection ring (4) being detachably connected to the filter cartridge (1).

7. The filter cartridge for backwash filters according to claim 6, wherein the connecting ring (4) has an inner/outer screw thread provided on a peripheral wall thereof, and the end of the filter cartridge (1) adjacent to the flushing fluid discharge port is provided with an outer/inner screw thread adapted to be detachably connected by the inner/outer screw thread when the connecting ring (4) is connected to the filter cartridge (1).

8. A filter cartridge for a backflushing filter according to any one of claims 1 to 5, characterized in that the tap (2) is arranged on the axis of the filter cartridge (1).