CN217489983U

CN217489983U - Filter element reinforcing device of security filter

Info

Publication number: CN217489983U
Application number: CN202221500141.6U
Authority: CN
Inventors: 张�杰; 彭斌; 陈�胜; 胡早
Original assignee: China Electronics Technology Group Corp Chongqing Acoustic Optic Electronic Co ltd
Current assignee: China Electronics Technology Group Corp Chongqing Acoustic Optic Electronic Co ltd
Priority date: 2022-06-16
Filing date: 2022-06-16
Publication date: 2022-09-27
Anticipated expiration: 2032-06-16

Abstract

The utility model belongs to the technical field of water production engineering, in particular to a filter element reinforcing device of a security filter; the device includes: the filter comprises a double-headed fixing bolt, a filter element fixing cover plate, a filter element porous fixing plate, a supporting hollow sleeve and a filter cylinder; the filter cartridge comprises a cartridge wall and a cartridge bottom, wherein a plurality of mounting holes are formed in the filter cartridge fixing cover plate, the filter cartridge porous fixing plate and the cartridge bottom, and the mounting holes correspond to one another; the double-headed fixing bolts are arranged in the mounting hole of the filter element fixing cover plate and the mounting hole of the cylinder bottom, the filter element fixing cover plate is arranged at the top of the filter cylinder, the filter element porous fixing plate is arranged in the middle of the cylinder wall, and the supporting hollow sleeve is welded at the cylinder bottom of the filter cylinder; the utility model discloses make the filter core in horizontal direction and vertical direction homoenergetic fixed by fine adding, can prevent effectively that it from appearing distortion or skeleton in the use and breaking, filter core bottom and strain the perforated plate junction fracture scheduling problem of cartridge bottom.

Description

Filter element reinforcing device of security filter

Technical Field

The utility model belongs to the technical field of system water engineering, concretely relates to security filter core reinforcing apparatus.

Background

The pure water has wide application in the fields of electronic industry, medicine, chemical industry and the like. As indispensable filtration equipment in the pure water preparation process, a safety filter with a low-precision filter element (more than or equal to 3 mu m) is generally used at the front end of membrane equipment such as reverse osmosis and the like to filter fine particles in water, so that the filtration precision and a protective membrane element are ensured not to be damaged; while a high precision cartridge filter (less than or equal to 0.1 μm) is placed at the end of the overall water treatment system, such as after polishing the resin mixed bed apparatus, to prevent particles (e.g., broken resin) from entering the product water.

A conventional cartridge filter is generally composed of a filter cartridge, a cartridge cover, a filter element fixing plate and a filter element installed in the filter cartridge, as shown in fig. 1. When the filter normally works, stock solution passes through the filter core under the action of pump pressure and flows out from the outlet to become filtrate, fine particles which are larger than the filter precision of the filter core in the stock solution are intercepted and reserved in the filter cylinder to become filter residues, and the purpose of filtering is achieved. Generally, the water pressure at the water inlet end of the cartridge filter is about 0.5MPa or even more. Therefore, under the impact action of high water pressure, the problems of distortion or breakage of a central framework, breakage or even separation of the connection part of the bottom of the filter element and a porous plate at the bottom of the inner wall of the filter and the like of the filter element in the security filter can occur, so that the filtering action is reduced or even lost, the normal operation of a pure water system is seriously influenced, even the normal work and the safe operation of other equipment are endangered, and the quality of produced water is reduced or even the water of the system is cut off.

In view of the foregoing, there is a need for a cartridge filter element reinforcement device that can reinforce a cartridge filter element.

Disclosure of Invention

To the not enough that prior art exists, the utility model provides a security filter core reinforcing apparatus, this method includes: the filter comprises a stud fixing bolt (1), a filter element fixing cover plate (2), a filter element porous fixing plate (3), a supporting hollow sleeve (4) and a filter cylinder (5); the filter cartridge (5) comprises a cartridge wall and a cartridge bottom, and the filter element fixing cover plate (2), the filter element porous fixing plate (3) and the cartridge bottom are all provided with a plurality of mounting holes which are in one-to-one correspondence; stud fixing bolt (1) is installed in the mounting hole of filter core fixed cover plate (2) and the mounting hole of bobbin base, and filter core fixed cover plate (2) set up and are being strained a section of thick bamboo (5) top, and porous fixed plate of filter core (3) set up at section of thick bamboo wall middle part, support hollow sleeve (4) welding and strain a section of thick bamboo (5) bobbin base.

Preferably, the mounting holes are divided into a first mounting hole and a second mounting hole, the first mounting hole is divided into an inner ring hole site and an outer ring hole site, the number of the first mounting hole is the same as that of the filter elements mounted on the filter cartridge (5), and the first mounting hole and the outer ring hole site are uniformly distributed in concentric circles and used for mounting the filter elements; the second mounting holes are uniformly distributed on the ring surface between the inner ring hole site and the outer ring hole site and used for mounting the stud fixing bolts (1).

Furthermore, the supporting hollow sleeve (4) is welded on a first mounting hole at the bottom of the filter cylinder (5).

Preferably, a metal support body is arranged on the wall of the barrel and used for installing the filter element porous fixing plate (3).

Preferably, the fixed connection between the stud fixing bolt (1) and the filter element fixing cover plate (2) is provided with a screw cap in an adaptive manner, and the screw cap is used for adjusting the fixing tightening force of the stud fixing bolt (1).

Preferably, the supporting hollow sleeve (4) is a hollow quadrangular prism, and the top of the supporting hollow sleeve (4) is beveled to form a tip.

Preferably, the hollow supporting sleeve (4) is provided with at least one slit.

Preferably, the stud fixing bolt (1) is made of 2507 stainless steel; the filter element fixing cover plate (2), the supporting hollow sleeve (4) and the filter cartridge (5) are made of 304 stainless steel materials; the filter element porous fixing plate (3) is made of PVC material.

The utility model has the advantages that:

(1) under the combined action of the filter element fixing cover plate at the top of the filter cylinder, the filter element porous fixing plate at the middle part and the double-head fixing bolts, the filter element plays a good role in strengthening and fixing in the horizontal direction and the vertical direction, and the problems of distortion or skeleton fracture, fracture of the connection part of the filter element bottom and the porous plate at the bottom of the filter cylinder and the like in the use process can be effectively prevented;

(2) the design of the supporting point in the middle of the interior of the filter cylinder can effectively prevent the fixed plate from loosening, falling off and falling to the bottom of the filter cylinder, the bottom filter element supports the hollow sleeve to facilitate the installation and positioning of the filter element and has the function of preventing the separation of the filter element and the filter cylinder, and the maintenance efficiency of the filter is improved.

(3) The supporting hollow sleeve is welded at the bottom of the filter cylinder, so that the positioning and the installation of the filter element can be conveniently realized, and the supporting hollow sleeve has the function of preventing the separation of the filter element and the filter cylinder, so that the maintenance efficiency of the filter is improved; the supporting hollow sleeve is provided with a gap, so that when the filter element is replaced or the filter cartridge is inspected, residual water in the filter cartridge is drained, and the daily maintenance of the filter is facilitated.

(4) The filter cartridge and the top cover plate of the filter element reinforcing device of the security filter designed by the utility model are both made of 304 stainless steel, and the double-head fixing bolts are made of 2507 stainless steel, so that the filter element reinforcing device has good corrosion resistance and lower metal precipitation performance; the middle porous filter element fixing plate is made of PVC material, has the characteristics of light weight, high hardness, good tensile property and the like, and is beneficial to daily operation, maintenance and repair.

Drawings

FIG. 1 is a schematic diagram of a conventional cartridge filter configuration;

fig. 2 is a top view of the filter element reinforcement device of the security filter of the present invention;

fig. 3 is a side view of the filter element reinforcement device of the security filter of the present invention;

fig. 4 is a three-view diagram of a hollow sleeve supporting according to a preferred embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to enable the person skilled in the art to understand and read, and are not used for limiting the limit conditions that the present invention can be implemented, and any modification of the structure, change of the ratio relationship or adjustment of the size should be included in the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that can be achieved.

The utility model provides a security filter core reinforcing apparatus, as shown in figure 2, figure 3, the device includes:

the filter comprises a stud fixing bolt 1, a filter element fixing cover plate 2, a filter element porous fixing plate 3, a supporting hollow sleeve 4 and a filter cartridge 5; the filter cartridge 5 comprises a cartridge wall and a cartridge bottom, and the filter element fixing cover plate 2, the filter element porous fixing plate 3 and the cartridge bottom are respectively provided with a plurality of mounting holes which are in one-to-one correspondence; stud fixing bolt 1 installs in the mounting hole of filter core fixed cover plate 2 and the mounting hole of bobbin base, and filter core fixed cover plate 2 sets up at straining 5 tops of a section of thick bamboo, and porous fixed plate 3 settings of filter core are at section of thick bamboo wall middle part, support hollow sleeve 4 welding and strain 5 bobbin bases of a section of thick bamboo.

The mounting holes are divided into a first mounting hole and a second mounting hole, the first mounting hole is divided into an inner ring hole site and an outer ring hole site, the number of the first mounting hole is the same as that of the filter elements mounted on the filter cartridge 5, the first mounting hole and the outer ring hole site are uniformly distributed in concentric circles and are used for mounting the filter elements; the second mounting holes are uniformly distributed on the ring surface between the inner ring hole site and the outer ring hole site and used for mounting the stud fixing bolts 1. The double-headed fixing bolt is used for fixing the filter element in the vertical direction, and prevents the filter element from falling off or even breaking from the concave fixing cover plate of the top filter element and the porous metal plate at the bottom of the filter cartridge in the use process.

Under the combined action of the filter element fixing cover plate at the top of the filter cylinder, the filter element porous fixing plate at the middle part and the double-head fixing bolts, the filter element plays a good role in strengthening and fixing in the horizontal direction and the vertical direction, and the problems that the filter element is distorted or the skeleton is broken, the bottom of the filter element is broken at the joint of the porous plate and the inner wall of the filter in the using process and the like can be effectively prevented.

The hollow support sleeve 4 is welded to a first mounting hole in the bottom of the filter cartridge 5.

The wall of the barrel is provided with a metal support body for installing the filter element porous fixing plate 3. The metal support body can prevent the porous plastic fixing plate from falling to the bottom of the filter cylinder, and the porous fixing plate can play a role in fixing and supporting the middle part of the filter element.

The fixed connection between the stud fixing bolt 1 and the filter element fixing cover plate 2 is provided with a screw cap in adaptation for adjusting the fixing tightening force of the stud fixing bolt 1.

The supporting hollow sleeve 4 is a hollow quadrangular prism, and the top of the supporting hollow sleeve 4 is beveled to form a tip. The quadrangular prism shape has a smaller footprint than the cylindrical shape at the same material usage. And the tip design at the top of the hollow sleeve makes the filter element easier to insert into the hollow sleeve, thereby facilitating the positioning and installation of the filter element and improving the maintenance efficiency of the filter. Preferably, the length of the tip is 5-7cm, the diameter of the sleeve is slightly smaller than the inner diameter of the filter element, the top beveling is not limited to full beveling, preferably, as shown in fig. 4, the tip is divided into two parts, one part has a larger slope, the other part has a smaller slope, so that the included angle between the two parts is larger than 90 degrees, under the use of water pressure, the tip has better compression stress, is not easy to bend, prolongs the service life, and has natural transition and attractive design.

At least one gap is arranged on the supporting hollow sleeve 4; preferably, 2 gaps are arranged on the supporting hollow sleeve 4, and the 2 gaps are positioned on the same plane; the gap is used for draining water when necessary, so that the filter element is convenient to replace or the filter cartridge is convenient to check, and the maintenance of the filter is facilitated.

The stud fixing bolt 1 is made of 2507 stainless steel; the filter element fixing cover plate 2, the supporting hollow sleeve 4 and the filter cartridge 5 are made of 304 stainless steel materials; the filter element porous fixing plate 3 is made of PVC material. The filter cartridge and the top cover plate of the cartridge filter core reinforcing device are both made of 304 stainless steel, and the double-head fixing bolts are made of 2507 stainless steel, so that the cartridge filter core reinforcing device has good corrosion resistance and lower metal precipitation performance; the middle porous filter element fixing plate is made of PVC material, has the characteristics of light weight, high hardness, good tensile property and the like, and is beneficial to daily operation, maintenance and repair.

In the above embodiments, the terms of orientation such as "top," "middle," "bottom," "horizontal direction," "vertical direction," and the like are used for the sake of clarity only, and are not intended to limit the absolute orientation of the present invention, and the relative relationship between the terms of orientation and the relative orientation, without substantial technical changes, and should also be considered as the scope of the present invention.

The above embodiments, which have been described in further detail for the purpose of illustrating the invention and the advantages thereof, are to be understood that the above embodiments are only preferred embodiments of the present invention and are not to be construed as limiting the present invention, and any modifications, equivalent substitutions, improvements, etc. made to the present invention within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A cartridge filter cartridge reinforcement device, comprising: the filter comprises a stud fixing bolt (1), a filter element fixing cover plate (2), a filter element porous fixing plate (3), a supporting hollow sleeve (4) and a filter cylinder (5); the filter cartridge (5) comprises a cartridge wall and a cartridge bottom, and the filter element fixing cover plate (2), the filter element porous fixing plate (3) and the cartridge bottom are all provided with a plurality of mounting holes which are in one-to-one correspondence; stud fixing bolt (1) is installed in the mounting hole of filter core fixed cover plate (2) and the mounting hole of bobbin base, and filter core fixed cover plate (2) set up and are being strained a section of thick bamboo (5) top, and porous fixed plate of filter core (3) set up at section of thick bamboo wall middle part, support hollow sleeve (4) welding and strain a section of thick bamboo (5) bobbin base.

2. The cartridge filter element reinforcing device according to claim 1, wherein the mounting holes are divided into a first mounting hole and a second mounting hole, the first mounting hole is divided into an inner ring hole site and an outer ring hole site, the number of the inner ring hole sites and the outer ring hole sites is the same as the number of the filter elements mounted on the filter cartridge (5), and the inner ring hole sites and the outer ring hole sites are uniformly distributed in concentric circles and used for mounting the filter elements; the second mounting holes are uniformly distributed on the ring surface between the inner ring hole site and the outer ring hole site and used for mounting the stud fixing bolts (1).

3. Cartridge filter cartridge reinforcement according to claim 2, wherein the supporting hollow sleeve (4) is welded to the first mounting hole of the bottom of the filter cartridge (5).

4. Cartridge filter reinforcement according to claim 1, characterized in that the walls of the cartridge are provided with metal supports for mounting the porous holding plate (3) of the cartridge.

5. The cartridge filter reinforcing device of claim 1, wherein the fixed connection between the stud fixing bolt (1) and the filter element fixing cover plate (2) is provided with a nut adapted to adjust the fixing force of the stud fixing bolt (1).

6. A security filter cartridge reinforcement device as defined in claim 1, wherein the support hollow sleeve (4) is 304 stainless steel, the support hollow sleeve (4) is a hollow quadrangular prism, and the top of the support hollow sleeve (4) is chamfered to form a tip.

7. A security filter cartridge reinforcement according to claim 1, characterized in that the supporting hollow sleeve (4) is provided with at least one slit.

8. The cartridge filter element reinforcement device according to claim 1, wherein the stud fixing bolt (1) is 2507 stainless steel; the filter element fixing cover plate (2), the supporting hollow sleeve (4) and the filter cartridge (5) are made of 304 stainless steel materials; the filter element porous fixing plate (3) is made of PVC material.