阅读说明：本技术 一种滤芯自清洁系统及方法 (Filter element self-cleaning system and method ) 是由 李永新 于娜 于 2021-08-23 设计创作，主要内容包括：本发明涉及滤芯自清洁系统,包括呈筒状的过滤膜、套设在其外围的进水套筒、上盖和下盖,上盖上设置有与进水套筒对应的进水孔和与过滤膜内孔对应的出水孔；下盖内成型有安装腔室,安装腔室内设置有气室、对其内部进气增压的增压组件、钢丝绳以及与钢丝绳配合的收放卷组件；进水套筒的内壁纵向滑动连接有喷气环,喷气环套设在过滤膜外且内壁成型有多个斜向下的朝向过滤膜的外侧表面的喷气口,喷气环与气室通过气管连接并由其供气；喷气环与钢丝绳连接；下盖上设置有电控出水阀门；通过喷高压气体的方式,清洁强度大且死角少,同时还可以升降往复清洁,整体结构合理且十分紧凑,清洁效果好。(The invention relates to a filter element self-cleaning system, which comprises a cylindrical filter membrane, a water inlet sleeve, an upper cover and a lower cover, wherein the water inlet sleeve is sleeved on the periphery of the filter membrane; an installation cavity is formed in the lower cover, and an air chamber, a pressurizing assembly for pressurizing air entering the air chamber, a steel wire rope and a winding and unwinding assembly matched with the steel wire rope are arranged in the installation cavity; the inner wall of the water inlet sleeve is longitudinally connected with an air injection ring in a sliding manner, the air injection ring is sleeved outside the filtering membrane, a plurality of air injection ports which are obliquely downward and face the outer side surface of the filtering membrane are formed in the inner wall of the air injection ring, and the air injection ring is connected with the air chamber through an air pipe and supplies air through the air pipe; the air injection ring is connected with the steel wire rope; an electric control water outlet valve is arranged on the lower cover; through the mode of spouting high-pressure gas, cleaning strength is big and the dead angle is few, can also go up and down reciprocal clean simultaneously, and overall structure is reasonable and very compact, and is clean effectual.)

1. A filter element self-cleaning system comprises a cylindrical filter membrane, a water inlet sleeve, an upper cover and a lower cover, wherein the water inlet sleeve is sleeved on the periphery of the filter membrane; an installation cavity is formed in the lower cover, and an air chamber, a pressurizing assembly for pressurizing air entering the installation cavity, a steel wire rope and a winding and unwinding assembly matched with the steel wire rope are arranged in the installation cavity; the inner wall of the water inlet sleeve is longitudinally connected with an air injection ring in a sliding manner, the air injection ring is sleeved outside the filtering membrane, a plurality of air injection ports which obliquely downwards face the outer side surface of the filtering membrane are formed in the inner wall of the air injection ring, and the air injection ring is connected with the air chamber through an air pipe and is used for supplying air; the air injection ring is connected with the steel wire rope; an electric control water outlet valve is arranged on the lower cover.

2. The filter element self-cleaning system of claim 1, further comprising a pressure difference detection unit for detecting a pressure difference between the inside and the outside of the filter membrane, wherein when the pressure difference detection unit detects that the pressure difference between the inside and the outside of the filter membrane exceeds a set range value, the pressure boost assembly and the winding and unwinding assembly are triggered to operate according to set parameters to perform a self-cleaning action, and the electrically controlled water outlet valve is controlled to open and drain water.

3. The filter cartridge self-cleaning system of claim 2, wherein the plenum assembly comprises a turbo-motor connected to the plenum by a one-way intake valve, the lower cover having an intake port disposed therein that cooperates with the turbo-motor.

4. The filter cartridge self-cleaning system of claim 3, wherein a dust screen is provided at the air inlet.

5. The filter cartridge self-cleaning system of claim 4, wherein the reel-to-reel assembly includes a reel-to-reel motor and a motor guard disposed about the reel-to-reel motor; a rotating shaft penetrates through the motor protective cover through a sealing bearing, one end of the rotating shaft is connected with the movable end of the winding and unwinding motor, and the other end of the rotating shaft is provided with a winding and unwinding wheel; the steel wire rope is wound on the winding and unwinding reel.

6. The filter element self-cleaning system of any one of claims 1 to 5, wherein the lower cover is further provided with a power supply interface for supplying power to the rolling and unrolling component, the pressurizing component and the electrically controlled water outlet valve.

7. A filter cartridge self-cleaning system as recited in any one of claims 1-5, wherein the air outlet is flat.

8. A method of self-cleaning a filter cartridge using a system as claimed in any one of claims 1 to 7, comprising the steps of:

during self-cleaning, the air chamber is pressurized by the operation of the pressurizing assembly, and after the air pressure is increased to a certain intensity, the pressurizing speed is slowed down until the air pressure in the air chamber is kept stable in a set range;

the winding and unwinding assembly starts to unwind the steel wire rope, the air jet opening of the air jet ring carries out air jet inclined downward cleaning on the surface of the outer side of the filtering membrane, the air jet ring is made to longitudinally slide and ascend by means of air jet reaction force, ascending motion or ascending motion is carried out under the traction control of the steel wire rope, the cleaning purpose is achieved, and the electric control water outlet valve is opened after cleaning for a set time to discharge cleaned sewage.

Technical Field

The invention relates to the technical field of filter elements, in particular to a filter element self-cleaning system and a filter element self-cleaning method.

Background

The filter element self-cleaning is used for automatically cleaning the filter element, the currently adopted mode is mostly a back-flushing self-cleaning mode, the mode has the great defects that the cleaning force is insufficient, and the attachment on the outer side surface cannot be effectively cleaned, so that a filter element self-cleaning system and a method which can solve the problems are needed.

Disclosure of Invention

The present invention provides a filter element self-cleaning system and method, which is directed to overcome the above-mentioned drawbacks of the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a filter element self-cleaning system is constructed, and comprises a cylindrical filter membrane, a water inlet sleeve, an upper cover and a lower cover, wherein the water inlet sleeve is sleeved on the periphery of the filter membrane, and the upper cover is provided with a water inlet hole corresponding to the water inlet sleeve and a water outlet hole corresponding to an inner hole of the filter membrane; an installation cavity is formed in the lower cover, and an air chamber, a pressurizing assembly for pressurizing air entering the installation cavity, a steel wire rope and a winding and unwinding assembly matched with the steel wire rope are arranged in the installation cavity; the inner wall of the water inlet sleeve is longitudinally connected with an air injection ring in a sliding manner, the air injection ring is sleeved outside the filtering membrane, a plurality of air injection ports which obliquely downwards face the outer side surface of the filtering membrane are formed in the inner wall of the air injection ring, and the air injection ring is connected with the air chamber through an air pipe and is used for supplying air; the air injection ring is connected with the steel wire rope; an electric control water outlet valve is arranged on the lower cover.

The filter element self-cleaning system also comprises a pressure difference detection unit for detecting the pressure difference between the inside and the outside of the filter membrane, wherein when the pressure difference detection unit detects that the pressure difference between the inside and the outside of the filter membrane exceeds a set range value, the pressure boosting assembly and the winding and unwinding assembly are triggered to operate according to set parameters to execute a self-cleaning action, and the electric control water outlet valve is controlled to open and drain water.

The filter element self-cleaning system comprises a filter element, wherein the filter element is arranged in the filter element, the filter element is arranged in the filter element self-cleaning system, the filter element self-cleaning system comprises a pressurizing assembly, the pressurizing assembly comprises a pressurizing turbine motor, the pressurizing turbine motor is connected with the air chamber through a one-way air inlet valve, and an air inlet matched with the pressurizing turbine motor is formed in the lower cover.

The filter element self-cleaning system is characterized in that a dust screen is arranged at the air inlet.

The filter element self-cleaning system comprises a winding and unwinding assembly, a winding and unwinding motor and a motor protective cover, wherein the motor protective cover covers the winding and unwinding motor; a rotating shaft penetrates through the motor protective cover through a sealing bearing, one end of the rotating shaft is connected with the movable end of the winding and unwinding motor, and the other end of the rotating shaft is provided with a winding and unwinding wheel; the steel wire rope is wound on the winding and unwinding reel.

The filter element self-cleaning system is characterized in that a power supply interface for supplying power to the coiling and uncoiling assembly, the pressurizing assembly and the electric control water outlet valve is further arranged on the lower cover.

The filter element self-cleaning system is characterized in that the air jet ports are flat.

A method of self-cleaning a filter cartridge, using a filter cartridge self-cleaning system as described above, comprising the steps of:

during self-cleaning, the air chamber is pressurized by the operation of the pressurizing assembly, and after the air pressure is increased to a certain intensity, the pressurizing speed is slowed down until the air pressure in the air chamber is kept stable in a set range;

the winding and unwinding assembly starts to unwind the steel wire rope, the air jet opening of the air jet ring carries out air jet inclined downward cleaning on the surface of the outer side of the filtering membrane, the air jet ring is made to longitudinally slide and ascend by means of air jet reaction force, ascending motion or ascending motion is carried out under the traction control of the steel wire rope, the cleaning purpose is achieved, and the electric control water outlet valve is opened after cleaning for a set time to discharge cleaned sewage.

The invention has the beneficial effects that: during self-cleaning, the air chamber is pressurized by the operation of the pressurizing assembly, and after the air pressure is increased to a certain intensity, the pressurizing speed is slowed down until the air pressure in the air chamber is kept stable in a set range; the winding and unwinding assembly starts to unwind the steel wire rope, an air jet opening of the air jet ring carries out air jet obliquely downward cleaning on the outer side surface of the filtering membrane, the air jet ring is made to longitudinally slide and rise by means of the reaction force of air jet, the rising movement or the lifting movement is carried out under the traction control of the steel wire rope, the cleaning purpose is realized, and the water outlet valve is opened for a set time after cleaning to discharge cleaned sewage; through the mode of spraying high-pressure gas to the outside surface of filtration membrane under the immersion state, clean intensity is big and the dead angle is few, fills into a large amount of gas simultaneously in the short time and makes filtration membrane external pressure increase by a wide margin realize washing in the same direction cleanly, can also rely on automatic jet-propelled self-rising and collocation wire rope to receive and release the reel and pull and accomplish the reciprocal clean effect of going up and down, overall structure is reasonable and very compact, clean effectual.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only part of the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the accompanying drawings:

FIG. 1 is a schematic view of a self-cleaning system for filter elements according to a preferred embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without inventive step, are within the scope of the present invention.

The filter element self-cleaning system of the preferred embodiment of the invention, as shown in fig. 1, comprises a cylindrical filter membrane 1, a water inlet sleeve 2 sleeved on the periphery of the filter membrane, an upper cover 3 and a lower cover 4, wherein the upper cover 3 is provided with a water inlet 30 corresponding to the water inlet sleeve 2 and a water outlet 31 corresponding to an inner hole of the filter membrane 1; an installation cavity 40 is formed in the lower cover 4, and an air chamber 41, a pressurizing assembly 42 for pressurizing air entering the installation cavity, a steel wire rope 43 and a winding and unwinding assembly 44 matched with the steel wire rope are arranged in the installation cavity 40; the inner wall of the water inlet sleeve 2 is longitudinally connected with an air injection ring 20 in a sliding manner, the air injection ring 20 is sleeved outside the filtering membrane 1, a plurality of air injection ports 200 which face the outer side surface of the filtering membrane in a downward inclined manner are formed in the inner wall of the air injection ring 20, and the air injection ring 20 is connected with the air chamber 41 through an air pipe 5 and supplies air through the air pipe; the air injection ring 20 is connected with a steel wire rope 43; an electric control water outlet valve (not shown in the figure) is arranged on the lower cover 4;

during self-cleaning, the pressurizing assembly 42 is operated to pressurize the air chamber 41, and after the air pressure is increased to a certain intensity, the pressurizing speed is slowed down until the air pressure in the air chamber 41 is kept stable in a set range; the winding and unwinding assembly 44 starts to unwind the steel wire rope 43, the air jet opening 200 of the air jet ring 20 performs air jet inclined downward cleaning on the outer side surface of the filtering membrane 1, the air jet ring 20 longitudinally slides and rises by means of the reaction force of air jet, the lifting motion or the lifting motion is performed under the traction control of the steel wire rope 43, the cleaning purpose is realized, and the electric control water outlet valve is opened for a set time after cleaning to discharge the cleaned sewage;

through the mode of spraying high-pressure gas to the outside surface of filtration membrane under the immersion state, clean intensity is big and the dead angle is few, fills into a large amount of gas simultaneously in the short time and makes filtration membrane external pressure increase by a wide margin realize washing in the same direction cleanly, can also rely on automatic jet-propelled self-rising and collocation wire rope to receive and release the reel and pull and accomplish the reciprocal clean effect of going up and down, overall structure is reasonable and very compact, clean effectual.

Preferably, the filter element self-cleaning system further comprises a pressure difference detection unit for detecting the pressure difference between the inside and the outside of the filter membrane, when the pressure difference detection unit detects that the pressure difference between the inside and the outside of the filter membrane 1 exceeds a set range value, the pressure boosting assembly 42 and the winding and unwinding assembly 44 are triggered to operate according to set parameters to execute a self-cleaning action, and an electric control water outlet valve (not shown in the figure) is controlled to open and drain water; the automatic triggering is convenient to realize, and the pressure difference detection unit only adopts the existing module.

Preferably, the supercharging assembly 42 comprises a supercharging turbine motor 420, the supercharging turbine motor 420 is connected with the air chamber 41 through a one-way air inlet valve 421, and the lower cover 4 is provided with an air inlet 46 matched with the supercharging turbine motor 420; a dust screen 47 is arranged at the air inlet 46; the structure is reasonable and compact, and the realization is convenient.

Preferably, the winding and unwinding assembly 44 includes a winding and unwinding motor 440 and a motor shield 441 covering the winding and unwinding motor; a rotating shaft 443 penetrates through the motor protective cover 441 through the sealing bearing 442, one end of the rotating shaft 443 is connected with the movable end of the winding and unwinding motor 440, and the other end of the rotating shaft 444 is provided with a winding and unwinding roller 444; the steel wire rope 43 is wound on the winding and unwinding reel 444; good waterproof protection effect on the motor and good winding and unwinding reliability

Preferably, the lower cover 4 is further provided with a power supply interface for supplying power to the winding and unwinding assembly, the pressurization assembly and the electric control water outlet valve; preferably, the air injection port 200 is flat.

A method of self-cleaning a filter cartridge, using a filter cartridge self-cleaning system as described above, comprising the steps of:

during self-cleaning, the air chamber is pressurized by the operation of the pressurizing assembly, and after the air pressure is increased to a certain intensity, the pressurizing speed is slowed down until the air pressure in the air chamber is kept stable in a set range;

the winding and unwinding assembly starts to unwind the steel wire rope, an air jet opening of the air jet ring carries out air jet obliquely downward cleaning on the outer side surface of the filtering membrane, the air jet ring is made to longitudinally slide and rise by means of the reaction force of air jet, the rising movement or the lifting movement is carried out under the traction control of the steel wire rope, the cleaning purpose is realized, and the water outlet valve is opened for a set time after cleaning to discharge cleaned sewage;

through the mode of spraying high-pressure gas to the outside surface of filtration membrane under the immersion state, clean intensity is big and the dead angle is few, fills into a large amount of gas simultaneously in the short time and makes filtration membrane external pressure increase by a wide margin realize washing in the same direction cleanly, can also rely on automatic jet-propelled self-rising and collocation wire rope to receive and release the reel and pull and accomplish the reciprocal clean effect of going up and down, overall structure is reasonable and very compact, clean effectual.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.