CN208166760U - A kind of self-cleaning filtering and sterilization integrated device - Google Patents

Abstract

The utility model relates to a kind of sewage disposal technologies, more particularly to a kind of self-cleaning filtering and sterilization integrated device, self-cleaning filter and ultraviolet sterilizer including pipeline connection, the self-cleaning filter includes primary filter mechanism, the primary filter mechanism is equipped with mutually independent level-one blowdown chamber and second level blowdown chamber, the level-one blowdown chamber is connected to the filter chamber of primary filter mechanism, it is equipped with the primary soil pick-up mechanism being connected to filter chamber in the second level blowdown chamber, is respectively equipped with waste in level-one blowdown chamber and second level blowdown chamber.The device is equipped with the filter and ultraviolet sterilizer being sequentially communicated, and sterilizes in time, avoids secondary pollution, reduces after-cost；Two mutually independent blowdown chambers are arranged in self-cleaning accurate filter, most suspended substances and other granule foreigns in sewage are removed respectively, greatly reduce the generation of filter net jam situation, improve filter efficiency, is adapted in sewage containing the situation that a large amount of suspended matters or filtering accuracy are more demanding.

Description

A kind of self-cleaning filtering and sterilization integrated device

Technical field

The utility model relates to a kind of sewage disposal technology, especially a kind of self-cleaning filtering and sterilization integrated device.

Background technique

For the processing mode of sewage, mainly there are physical method, chemical method and bioanalysis, general mode is using filter screen The modes such as intercept process and chemical settling processing.

In filter type therein, since space limits, existing filter mostly uses single-stage to filter greatly, but for there was only one The filter of grade filtering, when suspension content contains a large amount of suspended matters or filtering accuracy greater than 100ppm in sewage that is, in sewage It is required that good filter can not be reached by carrying out suspended matter absorption using soil pick-up motor and dirt sucking tube cooperation when being higher than 80um or more Recovery effects are measured by Netcom, and strainer can block quickly, and soil pick-up ability can also decline quickly therewith, cannot satisfy the use demand.

And even if multistage filtering is set in this condition, when containing the situation of a large amount of suspended matters in the sewage, by It is easily blocked in the strainer filtered in the first order, so that the filtration of entire filter has to stop, until the first order The strainer of filtering is repaired or replaces, but the new strainer still cisco unity malfunction too long of time, and can be blocked, serious shadow Ring filter efficiency.

In addition, existing filter and without sterilization processing, is filtered in liquid to the simple filtration treatment of sewage Cyclic process in bacterium may mass propagation, cause secondary pollution, the cost of subsequent sterilization processing also increases therewith.

Utility model content

The goal of the invention of the utility model is：It cannot be adapted in sewage suspend containing a large amount of for existing filter Object or the more demanding situation of filtering accuracy, even if being designed to that the structure of multistage filtering can not solve first order filter screen It is blocked, seriously affects filter efficiency, and existing filter does not consider to sterilize filter medium, bacterium is a large amount of during the filtration process Breeding causes secondary pollution, the technical issues of subsequent sterilization processing cost increases, and provides a kind of self-cleaning filtering and sterilization one Device, the device are equipped with the filter and ultraviolet sterilizer being sequentially communicated, sterilize in time, secondary pollution is avoided, after reduction Continuous cost；Self-cleaning accurate filter be arranged two mutually independent blowdown chambers, respectively remove sewage in most suspended substances and Other granule foreigns greatly reduce the generation of filter net jam situation, improve filter efficiency, are adapted in sewage contain a large amount of suspended matters Or the situation that filtering accuracy is more demanding.

To achieve the goals above, the technical solution adopted in the utility model is：

A kind of self-cleaning filtering and sterilization integrated device, self-cleaning filter and ultraviolet sterilizer including pipeline connection, The self-cleaning filter includes primary filter mechanism, the primary filter mechanism be equipped with mutually independent level-one blowdown chamber and Second level blowdown chamber, the level-one blowdown chamber are connected to the filter chamber of primary filter mechanism, are equipped with and mistake in the second level blowdown chamber The primary soil pick-up mechanism of filter chamber connection, is respectively equipped with waste in level-one blowdown chamber and second level blowdown chamber.

The device is equipped with the filter and ultraviolet sterilizer that are sequentially communicated, after the completion of filtering, using ultraviolet sterilizer and When sterilization processing, avoid bacterium mass propagation from causing secondary pollution, reduce subsequent special sterilization processing bring significant cost；

And in the primary filter mechanism of self-cleaning filter be arranged two mutually independent blowdown chambers, and level-one blowdown chamber with The filter chamber of primary filter mechanism is connected to, and the position of level-one blowdown chamber need to be only located to the position higher than filter chamber, energy will be big Partial suspended thing is collected, and then removes most suspended substances in sewage；And second level blowdown chamber passes through primary soil pick-up mechanism and filtering Dirt on filter chamber Inner filter net is siphoned away in second level blowdown chamber and is excluded again by chamber connection, such as dirt sucking tube, and then in sewage The removal of big suspended matter and other granule foreigns greatly reduces the generation of filter net jam situation, improves filter efficiency, be adapted to sewage In contain a large amount of suspended matters or the more demanding situation of filtering accuracy；Cooperation differential manometer detects and exports strainer resistance pressure difference letter Number, controller issues clear instruction, realizes that soil pick-up mechanism draws the tamper of strainer, restores the circulation of strainer, realization pair The automatic cleaning operation of filter.

As a preferred embodiment of the present invention, further include medium circulation pipe, be respectively equipped in the medium circulation pipe with The filtering inlet tube and filtering outlet tube of self-cleaning filter connection, are additionally provided in medium circulation pipe and are connected to ultraviolet sterilizer Sterilization inlet tube and sterilization outlet tube.Specifically it is equipped in the medium circulation pipe between filtering inlet tube and filtering outlet tube Control valve also is provided with control valve in the medium circulation pipe between outlet tube sterilizing inlet tube and entering；Further respectively It in filtering inlet tube, outlet tube is filtered, sterilizes inlet tube and enters and be equipped with control valve on outlet tube, convenient for control sewage stream Amount and flow direction.

As a preferred embodiment of the present invention, the top of filter chamber is arranged in the level-one blowdown chamber.By level-one blowdown The top of filter chamber is arranged in chamber, and the most suspended substances in sewage can accumulate in level-one blowdown chamber due to buoyancy, just In quickly by the suspended matter cleaning in sewage.

As a preferred embodiment of the present invention, the primary filter mechanism includes primary filter shell and primary filtration network Cylinder, further includes the primary filter dirt sucking tube axis protruded into primary filter net cylinder, is equipped on primary filter dirt sucking tube axis for clear That sweeps strainer scrapes dirty bar brush.

After liquid to be filtered enters primary filter mechanism, primary filter is carried out in primary filter cartridge, is inhaled in primary filter Configuration driven device on dirty pipe axis drives primary mistake by driving device after strainer is by major diameter impurity or suspended particle clogging Filter dirt sucking tube axis rotation, can drive scrape dirty bar brush by strainer suspended matter or large granular impurity strike off, recovery primary filtration network The filtering function of cylinder.

As a preferred embodiment of the present invention, the primary filter dirt sucking tube axis is hollow tubular structure, i.e., primary The building block of soil pick-up mechanism is additionally provided with multiple primary filter pollution-absorbing nozzles, the primary filter on primary filter dirt sucking tube axis Pollution-absorbing nozzle is correspondingly arranged with primary filter net cylinder.Primary dirt sucking tube axis is the axis of tubular structure, by primary dirt sucking tube axis Impurity on strainer is drawn in primary dirt sucking tube axis, then impurity is drawn to second level blowdown by the primary filter pollution-absorbing nozzle of setting It is intracavitary to carry out concentration exclusion, restore the filtering function of primary filter net cylinder.

It as a preferred embodiment of the present invention, further include the secondary filter mechanism concatenated with primary filter mechanism, it is described The filtering accuracy of primary filter mechanism is equal to or less than secondary filter mechanism, and the secondary filter mechanism includes being arranged in secondary mistake The intracorporal secondary filter net cylinder of filter housing and with the secondary soil pick-up mechanism that secondary filter net cylinder is correspondingly arranged, further include with it is secondary The secondary blowdown chamber of soil pick-up mechanism connection is equipped with secondary blowdown valve in secondary blowdown chamber.

The primary filter mechanism and secondary filter mechanism of filter setting concatenation, reduce occupied area and equipment production is former Material loss；And the filtering accuracy that the filtering accuracy of double-filtration mechanism is arranged to equal accuracy or primary filter mechanism is low In secondary filter mechanism, guarantee that specified removal rate, specified removal can be improved in the filtering accuracy of secondary filter mechanism, entire filter Rate is minimum to be can be improved to 99%.Impurity on the secondary soil pick-up mechanism energy strainer being correspondingly arranged with secondary filter net cylinder is drawn, and is led to It crosses to be discharged into secondary blowdown chamber and impurity is subjected to cleaning processing.

As a preferred embodiment of the present invention, secondary filter soil pick-up mechanism within the organization is hollow tubular structure Secondary dirt sucking tube axis sets multiple secondary filter soil pick-up ozzles, and multiple secondary filter soil pick-up ozzle edges on secondary dirt sucking tube axis Secondary dirt sucking tube axis is axially evenly arranged, and matches setting with secondary filter net cylinder.It is evenly arranged on secondary dirt sucking tube axis Secondary filter pollution-absorbing nozzle be conducive to improve secondary filter mechanism and continue to filter soil pick-up the impurity absorption as much as possible on strainer Ability.

As a preferred embodiment of the present invention, it is additionally provided on secondary filter shell and drives secondary dirt sucking tube axis rotation Driving mechanism, for secondary soil pick-up motor.

As a preferred embodiment of the present invention, the inlet tube of the self-cleaning filter is arranged in primary filter shell On, outlet tube is connected to secondary filter shell.Inlet tube is arranged on primary filter shell, and using primary filter, mechanism is hanged The exclusion of floating object and large granular impurity, then absorption is filtered by the intracorporal secondary filter mechanism of secondary filter shell again, make The liquid of discharge meets use and emissions requirements, greatly improves filter efficiency.

As a preferred embodiment of the present invention, the primary filter shell and secondary filter shell are cylindrical structure, And the axis of two cylinders intersects L-shaped setting.The primary filter shell and secondary filter shell of L-shaped setting are conducive to realize and divide Other filtering function, and save occupied space.

In conclusion by adopting the above-described technical solution, the utility model has the beneficial effects that：

1, the device is equipped with the filter and ultraviolet sterilizer being sequentially communicated, and sterilizes in time, avoids secondary pollution, subtract Few after-cost；Two mutually independent blowdown chambers are arranged in self-cleaning accurate filter, remove largely suspend in sewage respectively Object and other granule foreigns greatly reduce the generation of filter net jam situation, improve filter efficiency, are adapted in sewage containing a large amount of outstanding Floating object or the more demanding situation of filtering accuracy；

2, primary dirt sucking tube axis is the axis of tubular structure, and the configuration driven device on primary filter dirt sucking tube axis works as strainer After major diameter impurity or suspended particle clogging, the rotation of primary filter dirt sucking tube axis is driven by driving device, can drive and scrape dirty item Brush by strainer suspended matter or large granular impurity strike off, restore primary filter net cylinder filtering function；Further, by first Impurity on strainer is drawn in primary dirt sucking tube axis by the primary filter pollution-absorbing nozzle being arranged on grade dirt sucking tube axis, then impurity is inhaled It gets and carries out concentration exclusion in second level blowdown chamber, restore the filtering function of primary filter net cylinder；

3, the primary filter mechanism and secondary filter mechanism of filter setting concatenation, reduces occupied area and equipment production is former Material loss；And the filtering accuracy that the filtering accuracy of double-filtration mechanism is arranged to equal accuracy or primary filter mechanism is low In secondary filter mechanism, guarantee that specified removal rate, specified removal can be improved in the filtering accuracy of secondary filter mechanism, entire filter Rate is minimum to be can be improved to 99%；Impurity on the secondary soil pick-up mechanism energy strainer being correspondingly arranged with secondary filter net cylinder is drawn, and is led to It crosses to be discharged into secondary blowdown chamber and impurity is subjected to cleaning processing；

4 and by inlet tube be arranged on primary filter shell, using primary filter mechanism carry out suspended matter and bulky grain it is miscellaneous The exclusion of matter, then absorption is filtered by the intracorporal secondary filter mechanism of secondary filter shell again, meet the liquid of discharge Using and emissions requirements, greatly improve filter efficiency；The primary filter shell and secondary filter shell of L-shaped setting are conducive to realize Filtering function respectively, and save occupied space.

Detailed description of the invention

Fig. 1 is the utility model self-cleaning filtering and the structural schematic diagram for sterilizing integrated device.

Fig. 2 is the structural schematic diagram of self-cleaning filter in Fig. 1.

The structural schematic diagram of Tu3Tu2Zhong primary filter mechanism.

The structural schematic diagram of Tu4Tu2Zhong secondary filter mechanism.

It is marked in figure：1- filters inlet tube, 2- primary filter shell, 3- primary filter mechanism, 301- primary filter soil pick-up Pipe axis, 302- primary filter net cylinder, 303- scrape dirty bar brush, 304- primary filter pollution-absorbing nozzle, 305- mounting flange, 306- primary mistake Filter chamber, 4- level-one blowdown valve, 5- second level blowdown valve, 6- second level blowdown chamber, 7- level-one blowdown chamber, 8- secondary filter shell, 9- times Grade filter mechanism, 901- secondary filter net cylinder, 902- grade dirt sucking tube axis, 903- secondary filter pollution-absorbing nozzle, 904- secondary filter Chamber, 10- grade blowdown chamber, 11- grade soil pick-up motor, 12- grade blowdown valve, 13- filtering outlet tube, 14- primary soil pick-up motor, 15- medium circulation pipe, 16- control valve, 17- self-cleaning filter, 18- ultraviolet sterilizer, 181- sterilize inlet tube, and 182- is killed Bacterium outlet tube.

Specific embodiment

With reference to the accompanying drawing, the utility model is described in detail.

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this Utility model is not used to limit the utility model.

Embodiment 1

As depicted in figs. 1 and 2, the self-cleaning filtering of the present embodiment and sterilization integrated device are certainly clear including pipeline connection Filter 17 and ultraviolet sterilizer 18 are washed, the self-cleaning filter 17 includes primary filter mechanism 3, the primary filter machine Structure 3 is equipped with mutually independent level-one blowdown chamber 7 and second level blowdown chamber 6, the level-one blowdown chamber 7 and primary filter mechanism 3 Filter chamber connection, the second level blowdown chamber 6 is interior to be equipped with the primary soil pick-up mechanism being connected to filter chamber, in level-one blowdown chamber 7 and two Waste is respectively equipped in grade blowdown chamber 6.

Further, it as shown in Figure 1, further including medium circulation pipe 15, is respectively equipped in the medium circulation pipe 15 and oneself The pipe of filtering feed liquor 1 and filtering outlet tube 13 that filter 17 is connected to are cleaned, is additionally provided in medium circulation pipe 15 and ultraviolet-sterilization The sterilization inlet tube 181 and sterilization outlet tube 182 that device 18 is connected to.

Specifically, it is equipped with control valve 16 in the medium circulation pipe 15 between filtering inlet tube 1 and filtering outlet tube 13, It also is provided with control valve 16 in the medium circulation pipe 15 between outlet tube 182 sterilizing inlet tube 181 and entering, control valve Design realizes that sewage sequentially enters self-cleaning filter 17 and ultraviolet sterilizer 18 is handled when closing valve；In addition, When needing sewage carrying out secondary treatment, control valve can be opened, realize the function of circulating filtration or recycling sterilizing, directly To meeting the requirements；

Meanwhile it further filtering inlet tube 1, filtering outlet tube 13, sterilization inlet tube 181 respectively and entering outlet tube Control valve 16 is equipped on 182, convenient for the control discharge of sewage and flow direction.

Further, the top of filter chamber is arranged in the level-one blowdown chamber 7.Filter chamber is arranged in level-one blowdown chamber Top, the most suspended substances in sewage can accumulate in level-one blowdown chamber due to buoyancy, convenient for quickly will be in sewage Suspended matter cleaning.

In conclusion the self-cleaning filtering and sterilization integrated device of the present embodiment are equipped with the filter that is sequentially communicated and ultraviolet Sterilizer, using the timely sterilization processing of ultraviolet sterilizer, avoids bacterium mass propagation from causing secondary pollution after the completion of filtering, Reduce subsequent special sterilization processing bring significant cost；

And in the primary filter mechanism of self-cleaning filter be arranged two mutually independent blowdown chambers, and level-one blowdown chamber with The filter chamber of primary filter mechanism is connected to, and the position of level-one blowdown chamber need to be only located to the position higher than filter chamber, energy will be big Partial suspended thing is collected, and then removes most suspended substances in sewage；And second level blowdown chamber passes through primary soil pick-up mechanism and filtering Dirt on filter chamber Inner filter net is siphoned away in second level blowdown chamber and is excluded again by chamber connection, such as dirt sucking tube, and then in sewage The removal of big suspended matter and other granule foreigns greatly reduces the generation of filter net jam situation, improves filter efficiency, be adapted to sewage In contain a large amount of suspended matters or the more demanding situation of filtering accuracy；Cooperation differential manometer detects and exports strainer resistance pressure difference letter Number, controller issues clear instruction, realizes that soil pick-up mechanism draws the tamper of strainer, restores the circulation of strainer, realization pair The automatic cleaning operation of filter.

Embodiment 2

As shown in Figures 1 to 4, according to self-cleaning filtering described in embodiment 1 and sterilization integrated device, in primary filter machine It is additionally provided with the pressure sensor of monitoring strainer pressure at both sides in structure 3, is also equipped with the control device being connected with primary soil pick-up mechanism, After the control device receives the pressure difference of pressure sensor, it is judged as when filter net jam that just start soil pick-up mechanism carries out strainer automatically It cleans and impurity removing acts, realize self-cleaning.

Embodiment 3

As shown in Figures 1 to 4, according to embodiment 1 or self-cleaning filtering as described in example 2 and sterilization integrated device, originally The primary filter mechanism 3 of embodiment includes primary filter shell 2 and primary filter net cylinder 302, further includes protruding into primary filtration network Primary filter dirt sucking tube axis 301 in cylinder 302 is equipped on primary filter dirt sucking tube axis 301 and scrapes dirty item for clean strainer Brush 303.

After liquid to be filtered enters primary filter mechanism, primary filter is carried out in primary filter cartridge, is inhaled in primary filter Configuration driven device on dirty pipe axis drives primary filter soil pick-up by driving device after strainer is by impurity or suspended particle clogging Pipe axis rotation, drive scrape dirty bar brush by strainer suspended matter or large granular impurity strike off, preliminary primary filter net cylinder of restoring Filtering function.The driving device of the present embodiment is primary soil pick-up motor 14.

Further, the primary filter dirt sucking tube axis 301 of the present embodiment is hollow tubular structure, i.e. primary soil pick-up mechanism Building block, be additionally provided with multiple primary filter pollution-absorbing nozzles 304 on primary filter dirt sucking tube axis 301, the primary filter is inhaled Dirty mouth 304 is correspondingly arranged with primary filter net cylinder 302.Primary dirt sucking tube axis is the axis of tubular structure, by primary dirt sucking tube Impurity on strainer is drawn in primary dirt sucking tube axis, then impurity is drawn to second level by the primary filter pollution-absorbing nozzle being arranged on axis Concentration exclusion is carried out in blowdown chamber, restores the filtering function of primary filter net cylinder.

Embodiment 4

As shown in Figures 1 to 4, the self-cleaning filtering according to one of embodiment 1 to embodiment 3 and sterilization one dress It sets, further includes the secondary filter mechanism 9 concatenated with primary filter mechanism 3, the filtering accuracy of the primary filter mechanism 3 is equal to secondary Grade filter mechanism 9, the secondary filter mechanism 9 include the secondary filter net cylinder 901 that is arranged in secondary filter shell 8 and The secondary soil pick-up mechanism being correspondingly arranged with secondary filter net cylinder 901 further includes connecting with the secondary filter chamber 904 of secondary soil pick-up mechanism Logical secondary blowdown chamber 10 is equipped with secondary blowdown valve 12 in secondary blowdown chamber 10.

The primary filter mechanism and secondary filter mechanism of the filter setting concatenation of the present embodiment, reduce occupied area and set Standby production raw material loss；And the filtering accuracy of double-filtration mechanism is arranged to the mistake of equal accuracy or primary filter mechanism It filters precision and is lower than secondary filter mechanism, guarantee that specified removal rate can be improved in the filtering accuracy of secondary filter mechanism, entire filter, Specified removal rate is minimum to be can be improved to 99%.The impurity on secondary soil pick-up mechanism energy strainer being correspondingly arranged with secondary filter net cylinder It draws, and impurity is subjected to cleaning processing by being discharged into secondary blowdown chamber.

Further, the soil pick-up mechanism in the secondary filter mechanism 9 of the present embodiment is the secondary soil pick-up of hollow tubular structure Pipe axis 902 sets multiple secondary filter soil pick-up ozzles 903, and multiple secondary filter soil pick-up ozzles on secondary dirt sucking tube axis 902 903 are axially evenly arranged along secondary dirt sucking tube axis 902, and match setting with secondary filter net cylinder 901.In secondary dirt sucking tube axis On the secondary filter pollution-absorbing nozzle that is evenly arranged be conducive to the impurity absorption as much as possible on strainer, improve secondary filter mechanism after The ability of continuous filtering soil pick-up.

In the present embodiment, the driving mechanism for driving secondary 902 rotation of dirt sucking tube axis is additionally provided on secondary filter shell 8, For secondary soil pick-up motor 11.

Embodiment 5

As shown in Figures 1 to 4, the self-cleaning filtering according to one of embodiment 1 to embodiment 4 and sterilization one dress It sets, the filtering inlet tube 1 of the present embodiment is arranged on primary filter shell 2, and filtering outlet tube 13 and secondary filter shell 8 connect It is logical.Inlet tube is arranged on primary filter shell, and the exclusion of suspended matter and large granular impurity is carried out using primary filter mechanism, then By secondary filter shell, intracorporal secondary filter mechanism is filtered absorption again, and the liquid satisfaction of discharge is made to use and discharge need It asks, greatly improves filter efficiency.

Further, the primary filter shell 2 of the present embodiment and secondary filter shell 8 are cylindrical structure, and two cylinders The axis of body intersects L-shaped setting.The primary filter shell and secondary filter shell of L-shaped setting are conducive to realize the filtering of difference Function, and save occupied space.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (9)

1. a kind of self-cleaning filtering and sterilization integrated device, which is characterized in that self-cleaning filter and purple including pipeline connection Outer sterilizer, the self-cleaning filter include primary filter mechanism, and the primary filter mechanism is equipped with mutually independent one Grade blowdown chamber and second level blowdown chamber, the level-one blowdown chamber are connected to the filter chamber of primary filter mechanism, the second level blowdown chamber It is interior to be respectively equipped with waste in level-one blowdown chamber and second level blowdown chamber equipped with the primary soil pick-up mechanism being connected to filter chamber, Further include medium circulation pipe, the filtering inlet tube being connected to self-cleaning filter and filtering are respectively equipped in the medium circulation pipe Outlet tube is additionally provided with the sterilization inlet tube being connected to ultraviolet sterilizer and sterilization outlet tube in medium circulation pipe.

2. self-cleaning filtering according to claim 1 and sterilization integrated device, which is characterized in that the level-one blowdown chamber is set It sets in the top of filter chamber.

3. self-cleaning filtering according to claim 2 and sterilization integrated device, which is characterized in that the primary filter mechanism It further include the primary filter dirt sucking tube axis protruded into primary filter net cylinder including primary filter shell and primary filter net cylinder, Primary filter dirt sucking tube axis, which is equipped with, scrapes dirty bar brush for clean strainer.

4. self-cleaning filtering according to claim 3 and sterilization integrated device, which is characterized in that the primary filter soil pick-up Pipe axis is hollow tubular structure, i.e. the building block of primary soil pick-up mechanism, is additionally provided on primary filter dirt sucking tube axis multiple Primary filter pollution-absorbing nozzle, the primary filter pollution-absorbing nozzle are correspondingly arranged with primary filter net cylinder.

5. self-cleaning filtering according to claim 3 or 4 and sterilization integrated device, which is characterized in that further include and primary The filtering accuracy of the secondary filter mechanism of filter mechanism concatenation, the primary filter mechanism is equal to or less than secondary filter mechanism, The secondary filter mechanism includes setting in the intracorporal secondary filter net cylinder of secondary filter shell and corresponding with secondary filter net cylinder The secondary soil pick-up mechanism of setting further includes the secondary blowdown chamber with secondary soil pick-up mechanism connection, is equipped in secondary blowdown chamber secondary Grade blowdown valve.

6. self-cleaning filtering according to claim 5 and sterilization integrated device, which is characterized in that the secondary filter mechanism Interior soil pick-up mechanism is the secondary dirt sucking tube axis of hollow tubular structure, and multiple secondary filter dirt sucking tubes are set on secondary dirt sucking tube axis Mouth, and multiple secondary filter soil pick-up ozzles are axially evenly arranged along secondary dirt sucking tube axis, and are matched and set with secondary filter net cylinder It sets.

7. self-cleaning filtering according to claim 5 and sterilization integrated device, which is characterized in that on secondary filter shell It is additionally provided with the driving mechanism for driving secondary dirt sucking tube axis rotation, for secondary soil pick-up motor.

8. self-cleaning filtering according to claim 5 and sterilization integrated device, which is characterized in that the self-cleaning filter Inlet tube be arranged on primary filter shell, outlet tube is connected to secondary filter shell.

9. self-cleaning filtering according to claim 5 and sterilization integrated device, which is characterized in that the primary filter shell It is cylindrical structure with secondary filter shell, and the axis of two cylinders intersects L-shaped setting.