CN211198692U

CN211198692U - Filter membrane assembly

Info

Publication number: CN211198692U
Application number: CN201921447112.6U
Authority: CN
Inventors: 张晓龙; 唐崧棉
Original assignee: Hangzhou Hualu Membrane Technology Co ltd
Current assignee: Hangzhou Haina Environmental Protection Technology Co ltd
Priority date: 2019-09-02
Filing date: 2019-09-02
Publication date: 2020-08-07
Anticipated expiration: 2029-09-02

Abstract

The utility model provides a filter membrane component, include: a housing; a filter membrane element; the filter membrane element is arranged in the shell; a central tube; the central tube is sleeved in the filter membrane element; and a cleaning tube inserted into the central tube; the cleaning pipe comprises a pipe body, the pipe body comprises a cylindrical metal filter screen and a spirally-rising metal belt, and the metal belt is installed on the outer side face of the metal filter screen. The utility model removes the silk-shaped objects gathered on the cleaning pipe by independently detaching the central pipe during cleaning through feeding water from the central pipe and arranging the cleaning pipe in the central pipe, thereby reducing the times of removing the dirt on the central pipe by water back-flushing; the service life of the filter membrane element is prolonged, and the removal effect on sundries such as filaments hung on the filter membrane element is good.

Description

Filter membrane assembly

Technical Field

The utility model relates to a water filtration equipment field, concretely relates to filter membrane subassembly.

Background

At present, the cleaning operation of the filter membrane component usually adopts water backflushing, and the long-time backflushing operation has great damage to the filter membrane element; the conventional membrane element is easy to be polluted and blocked, and especially, pollutants are often accumulated on a water inlet flow passage and have poor effect on sundries such as filaments hung on the membrane element.

Chinese utility model patent document with patent application number CN201620974545.7 discloses a water conservation membrane element and filtration thereof, wherein the water conservation membrane element includes center tube and filtration membrane element, the filtration membrane element uses the center tube to roll up as the center and makes together, still include sealing member and lower sealing member, it is sealed with the outer lane of the upper end terminal surface of filtration membrane element to go up the sealing member, the inner circle that makes the upper end terminal surface be close to the center tube is wastewater outlet, the lower sealing member is sealed with the lower extreme terminal surface of filtration membrane element near the inner circle of center tube, the outer lane that makes the lower extreme terminal surface is the water inlet. The utility model discloses a owing to adopted water conservation membrane element, it relies on completely through the water-washed filter membrane pollution abatement, and it is to debris such as the filament that hang on it, and the effect is very poor.

Disclosure of Invention

An object of the utility model is to provide a filter membrane subassembly through set up clean pipe in the center tube, has solved the clean in-process of current filter membrane subassembly to hanging debris such as filiform on it, gets rid of the very poor defect of effect.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a filter membrane component, include: a housing; a filter membrane element; the filter membrane element is arranged in the shell; a central tube; the central tube is sleeved in the filter membrane element; and a cleaning tube inserted into the central tube; the cleaning pipe comprises a pipe body, the pipe body comprises a cylindrical metal filter screen and a spirally-rising metal belt, and the metal belt is installed on the outer side face of the metal filter screen. The utility model removes the silk-shaped objects gathered on the cleaning pipe by independently detaching the central pipe during cleaning through feeding water from the central pipe and arranging the cleaning pipe in the central pipe, thereby reducing the times of removing the dirt on the central pipe by water back-flushing; the service life of the filter membrane element is prolonged, and the removal effect on sundries such as filaments hung on the filter membrane element is good. The utility model discloses a metal filter screen and spiral shell screwing in rise's strap, its strap structure as an organic whole does not separate by metal filter screen, and holistic resistance to deformation structural strength is big.

Optionally, a circular wiper blade is arranged at the top of the cleaning tube, and the outer peripheral surface of the wiper blade contacts the inner side surface of the central tube. The utility model discloses set up the circular shape doctor-bar, the inner side of the outer peripheral surface contact center tube of doctor-bar also can hang down the filth at the center tube inside wall when clean pipe removes, has further reduced the number of times that the water recoil removed the filth on the center tube.

Optionally, a circular filter screen is arranged in the center of the scraping blade. The utility model discloses a circular filter screen of doctor-bar it plays the filter action equally, has increased the filter area of clean pipe.

Optionally, the wiper blade is made of rubber. The utility model discloses a doctor-bar adopts rubber, and it is less to the wearing and tearing of center tube.

Optionally, one end of the cleaning tube, which is far away from the scraper, extends out of the central tube, and a limiting ring is further arranged at the bottom of the cleaning tube and used for abutting against the shell. The utility model discloses a spacing ring restriction its clean removal of managing, its structure is succinct, prevents to push the top of clean crown of pipe to center tube under water pressure.

Optionally, the housing comprises a cylinder, a water inlet cover and a water outlet cover; the water outlet cover is fixed at one end of the cylinder body, and the water inlet cover is fixed at the other end of the cylinder body.

Optionally, a fixed end is arranged at one end of the barrel close to the water outlet cover, and the fixed end is in threaded connection with the water outlet cover. The utility model discloses set up fixed end and water inlet cover threaded connection, its easy dismounting.

Optionally, the central tube includes a liquid outlet tube body and water outlet holes evenly distributed on the surface of the liquid outlet tube body.

Optionally, the water inlet end of the liquid outlet pipe body is provided with an external thread connector.

Optionally, an O-ring is disposed at the external thread interface.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model realizes pre-filtering of the entering water flow by feeding water from the central pipe and arranging the cleaning pipe in the central pipe; during cleaning, the central tube is detached independently to remove filaments accumulated on the cleaning tube, so that the frequency of removing dirt on the central tube by water backflushing is reduced; the service life of the filter membrane element is prolonged, and the removal effect on sundries such as filaments hung on the filter membrane element is good.

Drawings

Fig. 1 is a schematic structural view of the whole of embodiment 1 of the present invention;

FIG. 2 is a sectional view of the membrane module A-A according to example 1 of the present invention;

FIG. 3 is an assembly view of the central tube and the cleaning tube of the filter membrane module of example 1 of the present invention;

FIG. 4 is a view showing an end structure of a cleaning pipe of a filter membrane module according to example 1 of the present invention;

FIG. 5 is a top view of the end of a membrane module according to example 1 of the present invention.

1. The shell, 2, filter membrane element, 3, center tube, 4, clean pipe, 5, barrel, 6, the lid of intaking, 7, play water lid, 8, fixed end, 9, body, 10, metal filter screen, 11, strap, 12, doctor-bar, 13, circular filter screen, 14, spacing ring, 15, apopore, 16, O type packing ring, 17, external screw thread interface.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "upper", "lower", "left", "right", "axial", "radial", "vertical", etc., indicating the orientation and positional relationship based on the orientation and positional relationship shown in the drawings, is only for convenience of description and simplification of the description, but not for indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "a plurality" means two or more unless specifically defined otherwise.

Unless otherwise expressly stated or limited, the terms "assembled", "connected" and "connected" are used broadly and are intended to be inclusive, e.g., fixed, detachable, or integral; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

Example 1

As shown in fig. 1, 2, 3, 4 and 5, the present invention provides a filter membrane assembly comprising: a housing 1, a filter membrane element 2, a central tube 3 and a cleaning tube 4; the shell comprises a cylinder body 5, a water inlet cover 6 and a water outlet cover 7; the water outlet cover is fixed at one end of the cylinder body, and the water inlet cover is fixed at the other end of the cylinder body. And one end of the barrel close to the water outlet cover is provided with a fixed end 8, and the fixed end is in threaded connection with the water outlet cover. Wherein the filter membrane element is mounted within the housing; the central tube is sleeved in the filter membrane element; the cleaning tube is inserted into the central tube.

The cleaning tube comprises a tube body 9 which comprises a cylindrical metal screen 10 and a spirally rising metal strip 11 which is mounted on the outer side of the metal screen. The utility model removes the silk-shaped objects gathered on the cleaning pipe by independently detaching the central pipe during cleaning through feeding water from the central pipe and arranging the cleaning pipe in the central pipe, thereby reducing the times of removing the dirt on the central pipe by water back-flushing; the service life of the filter membrane element is prolonged, and the removal effect on sundries such as filaments hung on the filter membrane element is good.

The top of the cleaning tube is provided with a circular scraping blade 12, and the outer peripheral surface of the scraping blade is contacted with the inner side surface of the central tube. The center of the scraping piece is provided with a circular filter screen 13. The central pipe comprises a liquid outlet pipe body; and water outlet holes 15 are uniformly distributed on the surface of the liquid outlet pipe body. The water inlet end of the liquid outlet pipe body is provided with an external thread connector 17. An O-ring 16 is provided at the male threaded interface. The utility model discloses an external screw thread interface and the water inlet cover threaded connection of end of intaking. The apopore of this embodiment can adopt the shrinkage pool of sinking to the drain pipe body surface.

It should be noted that the circular filter screen of the present embodiment may adopt a metal wire mesh, and may also adopt a plastic wire mesh; and selecting corresponding materials according to specific water pressure intensity. The scraping piece is made of rubber. The cleaning tube is far away from doctor-bar one end and stretches out the center tube, the bottom of cleaning tube still is equipped with spacing ring 14, the spacing ring is used for supporting the shell.

In the implementation of the embodiment, when the interior of the filter membrane component needs to be cleaned, the water outlet cover and the water inlet cover are sequentially screwed off, and the central tube is detached; pulling the cleaning pipe, and scraping the inner side wall of the central pipe by a scraping blade; the interior of the central tube is cleaned and finally the tube is cleaned separately.

Example 2

The utility model provides a filter membrane component, include: a housing, a filter membrane element, a central tube and a cleaning tube; the shell comprises a cylinder body, a water inlet cover and a water outlet cover; the water outlet cover is fixed at one end of the cylinder body, and the water inlet cover is fixed at the other end of the cylinder body. And one end of the barrel close to the water outlet cover is provided with a fixed end socket, and the fixed end socket is in threaded connection with the water outlet cover. Wherein the filter membrane element is mounted within the housing; the central tube is sleeved in the filter membrane element; the cleaning tube is inserted into the central tube. The cleaning pipe comprises a pipe body, the pipe body comprises a cylindrical metal filter screen and a spirally-rising metal belt, and the metal belt is installed on the outer side face of the metal filter screen.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.

Claims

1. A filter membrane assembly, comprising:

a housing;

a filter membrane element; the filter membrane element is arranged in the shell;

a central tube; the central tube is sleeved in the filter membrane element; and

a cleaning tube inserted into the central tube; the cleaning pipe comprises a pipe body, the pipe body comprises a cylindrical metal filter screen and a spirally-rising metal belt, and the metal belt is installed on the outer side face of the metal filter screen.

2. The filter membrane assembly of claim 1, wherein the top of the cleaning tube is provided with a circular wiper having an outer peripheral surface contacting an inner side surface of the central tube.

3. The filter membrane assembly of claim 2, wherein said wiper blade is centrally provided with a circular screen.

4. The filter membrane assembly of claim 2, wherein said wiper blade is formed of rubber.

5. The filter membrane assembly of claim 2, 3 or 4, wherein the cleaning tube extends out of the central tube at an end thereof remote from the wiper blade, and a stopper ring is further provided at a bottom of the cleaning tube for abutting against the housing.

6. The filter membrane assembly of claim 1 or 2 or 3 or 4, wherein said housing comprises a cylinder, a water inlet cover and a water outlet cover; the water outlet cover is fixed at one end of the cylinder body, and the water inlet cover is fixed at the other end of the cylinder body.

7. The filter membrane assembly of claim 6, wherein said barrel has a fixed end at an end adjacent to the outlet cover, said fixed end being threadably connected to the outlet cover.

8. The filter membrane assembly of claim 1, 2, 3 or 4, wherein the central tube comprises a liquid outlet tube body and a liquid outlet hole evenly distributed on the surface of the liquid outlet tube body.

9. The filter membrane assembly of claim 8, wherein the water inlet end of the liquid outlet pipe body is provided with an external threaded interface.

10. The filter membrane assembly of claim 9, wherein an O-ring is provided at the externally threaded interface.