CN213265966U

CN213265966U - Dynamic membrane water purifying device

Info

Publication number: CN213265966U
Application number: CN202021622112.8U
Authority: CN
Inventors: 周伟伟; 成小翔; 张正磊; 王业翔; 常蕾
Original assignee: Jinan Shangfang Environmental Protection Technology Co ltd; Shandong urban construction vocational college; Shandong Jianzhu University
Current assignee: Jinan Shangfang Environmental Protection Technology Co ltd; Shandong urban construction vocational college; Shandong Jianzhu University
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2021-05-25
Anticipated expiration: 2030-08-06

Abstract

The utility model discloses a dynamic membrane purifier, which comprises supporting legs, the rose box is installed at the top of landing leg, the inside of rose box is equipped with bracing piece, air inlet mechanism, filtration membrane wiper mechanism, retrieves mechanism and filtration membrane, installs the apron at the top of rose box. The utility model discloses filtering mechanism can carry out effectual filtration with the pollutant of aquatic, the quality of water treatment has been guaranteed, it can clean glutinous pollutant on filtration membrane at filterable in-process to retrieve the mechanism, filtration membrane's normal operating has been guaranteed, water treatment's quality has been improved, air inlet mechanism and filtration membrane wiper mechanism can blow away glutinous debris on filtration membrane, filtration membrane's life has been improved, the device has constructed carbon nanofiber coating on the milipore filter surface, utilize the absorption and aperture screening effect in advance of this coating, organic pollutant and milipore filter direct contact can be avoided, delay the formation of membrane surface filter cake layer, thereby alleviate the membrane pollution, the service life of milipore filter is improved.

Description

Dynamic membrane water purifying device

Technical Field

The utility model belongs to the technical field of water treatment, in particular to dynamic membrane purifier.

Background

The ultrafiltration membrane is an artificial permeable membrane used in the ultrafiltration process; generally made of polymeric materials such as: cellulose acetate, cellulose acetate esters, polyethylene, polysulfone, and polyamide; membrane modules of various types such as tubular type, plate type, roll type, capillary type and the like are generally manufactured in advance, and then a plurality of modules are assembled together for application so as to increase the filtration area and facilitate maintenance.

With the increasing requirement of water quality of people, the ultrafiltration membrane process plays an important role in water quality safety guarantee; membrane fouling limits the further spread and application of this technology; natural organic pollutants (NOM) are considered as one of the most important membrane pollutants, and when water purification treatment is performed, organic pollutants form a filter cake layer on the surface of the membrane, so that the ultrafiltration membrane is polluted, the filtration of the ultrafiltration membrane is influenced, and the service life of the ultrafiltration membrane is shortened.

Disclosure of Invention

The utility model aims at overcoming not enough among the prior art, the utility model provides a dynamic membrane purifier is provided, filtering mechanism can carry out effectual filtration with the pollutant of aquatic, the quality of water treatment has been guaranteed, it can clean the pollutant of glutinous on filtration membrane at filterable in-process to retrieve the mechanism, filtration membrane's normal operating has been guaranteed, the quality of water treatment has been improved, air inlet mechanism and filtration membrane wiper mechanism can blow away the debris of glutinous on filtration membrane, the life of filtration membrane has been improved, the device has constructed the carbon nanofiber coating on the milipore filter surface, utilize the absorption in advance and the aperture screening effect of this coating, organic pollutant and milipore filter direct contact can be avoided, the formation on membrane surface filter cake layer is delayed, thereby alleviate the membrane pollution, the service life of milipore filter is improved.

In order to realize the purpose, the utility model discloses a technical scheme is:

a dynamic membrane water purifying device comprises supporting legs, wherein a filter box is installed at the top of each supporting leg, a supporting rod, an air inlet mechanism, a filtering membrane cleaning mechanism, a recovery mechanism and a filtering membrane are arranged inside the filter box, a cover plate is installed at the top of the filter box, one end of the supporting rod is installed on the side wall of the filter box, the other end of the supporting rod is installed on the filtering membrane, the bottom of the filtering membrane is installed on the bottom plate of the filter box and extends to the bottom of the filter box through the bottom plate of the filter box, a drain outlet is formed in the bottom of the filtering membrane, the recovery mechanism is installed on the cover plate, one end of the recovery mechanism extends to the inside of the filtering membrane through the cover plate, a water outlet pipe and a support frame are installed on one side of the filter box, the water outlet pipe is installed at the bottom of the filter box, the filtering mechanism is connected with the filtering box.

Preferably, the filtering mechanism comprises a tank body, a water inlet is formed in the top of the tank body, a first filtering plate, a second filtering plate, a buffer plate and a water inlet hopper are arranged in the tank body, the first filtering plate is arranged on the inner wall of the tank body, one end of the water inlet hopper is arranged at the bottom of the first filtering plate, the other end of the water inlet hopper is arranged on the second filtering plate and extends to the bottom of the second filtering plate, the buffer plate is arranged on the inner wall of the tank body and at the bottom of the water inlet hopper, the second filtering plate is arranged on the inner wall of the tank body, a through hole is formed in the side wall of the tank body and is arranged at the top of the second filtering plate, a filtering net is arranged in the through hole and matched with the filtering box, a slag discharge pipe is arranged at the other side of the tank body, the filtering mechanism can effectively filter impurities in water, improves the, the through-hole is used for connecting the rose box to in importing the internal supernatant of jar to the rose box, the second filter can carry out the secondary and filter the quality of guaranteeing water treatment.

Preferably, filtration membrane wiper mechanism includes inlet tube, booster pump, water storage chamber and sprays the hole, the water storage chamber is installed on one side inner wall of rose box, it installs on the water storage chamber to spray the hole, the one end of inlet tube is installed on the water storage chamber, the other end runs through the lateral wall of rose box and extends to the outside of rose box, the booster pump is installed on the inlet tube in the rose box outside, and filtration membrane wiper mechanism is used for spraying clear water on filtration membrane, washs filtration membrane, has guaranteed filtration membrane clean and tidy, and can improve filtration efficiency, guarantees the filtration quality, has improved filtration membrane's life.

Preferably, air inlet mechanism includes intake pipe, fender net, fan, wind chamber, the wind chamber is installed on the opposite side inner wall of rose box, and it has a plurality of holes of airing exhaust to open on the wind chamber lateral wall, a plurality of holes evenly distributed of airing exhaust on the wind chamber inner wall, the one end of intake pipe is installed on the lateral wall in wind chamber, and the other end runs through the lateral wall of rose box and extends to the outside of rose box, the fan is installed on the lateral wall of rose box to be connected with the intake pipe, keep off the net and install the one end at the intake pipe, air inlet unit is used for evenly spraying the air on the rose box for wash the filter screen, guaranteed the clean and tidy of filter screen, improved the life of filter screen.

Preferably, retrieve the mechanism and include agitator motor, (mixing) shaft, flow equalizing plate, support and brush, agitator motor installs the top at the apron, the one end of (mixing) shaft is connected with agitator motor's output, the other end runs through the inside that the apron extended to filtration membrane, flow equalizing plate establishes on the inside (mixing) shaft of filtration membrane, the support mounting is on the (mixing) shaft, the bottom of flow equalizing plate, the brush is installed in one side of support, retrieves the mechanism and is used for striking off the carbon nanofiber coating on the milipore filter inner wall to retrieve and recycle, practiced thrift the resource, reduced manufacturing cost.

Preferably, the filtering membrane comprises an ultrafiltration membrane and a carbon nanofiber coating coated on the surface of the ultrafiltration membrane, the ultrafiltration membrane is used for filtering water, the quality of water treatment is ensured, direct contact between organic pollutants and the ultrafiltration membrane can be avoided under the pre-adsorption and pore size screening effects of the carbon nanofiber coating, and the formation of a filter cake layer on the surface of the membrane is delayed, so that membrane pollution is relieved, and the service life of the ultrafiltration membrane is prolonged.

The utility model has the advantages that:

1) this device filtering mechanism can carry out effectual filtration with the pollutant of aquatic, the quality of water treatment has been guaranteed, it can clean the pollutant of gluing on filtration membrane at filterable in-process to retrieve the mechanism, filtration membrane's normal operating has been guaranteed, water treatment's quality has been improved, air inlet mechanism and filtration membrane wiper mechanism can blow away the debris of gluing on filtration membrane, filtration membrane's life has been improved, the device has constructed carbon nanofiber coating on the milipore filter surface, utilize the absorption and the aperture screening effect in advance of this coating, organic pollutant and milipore filter direct contact can be avoided, delay the formation of membrane surface filter cake layer, thereby alleviate membrane pollution, the service life of milipore filter is improved.

2) This device filtering mechanism can carry out effectual filtration with the impurity of aquatic, has improved water treatment's efficiency, has guaranteed water treatment's effect, and the through-hole is used for connecting the rose box to with jar internal supernatant input to the rose box in, the second filter can carry out the secondary and filter the quality of guaranteeing water treatment.

3) This device filtration membrane wiper mechanism is used for spraying clear water on filtration membrane, washs filtration membrane, has guaranteed filtration membrane clean and tidy, and can improve filtration efficiency, guarantees the filtration quality, has improved filtration membrane's life.

4) This device air inlet unit is used for evenly spraying the air on the filter screen for wash the filter screen, guaranteed the clean and tidy of filter screen, improved the life of filter screen.

5) This device recovery mechanism is used for striking off the carbon nanofiber coating on the milipore filter inner wall to retrieve and recycle, practiced thrift the resource, reduced manufacturing cost.

6) This device filtration membrane includes the milipore filter and scribbles the carbon nanofiber coating on milipore filter surface, and the milipore filter is used for filtering water, guarantees the quality of water treatment, under the pre-absorption and the aperture screening effect of carbon nanofiber coating, can avoid organic pollutant and milipore filter direct contact, delays the formation of membrane surface filter cake layer to alleviate membrane pollution, improved the life of milipore filter.

Drawings

FIG. 1 is a schematic structural view of a dynamic membrane water purifying device of the present invention.

Fig. 2 is a schematic structural diagram of the middle filtering mechanism of the present invention.

Fig. 3 is a schematic structural diagram of the filtering membrane cleaning mechanism of the present invention.

Fig. 4 is a schematic structural diagram of the air intake mechanism of the present invention.

Fig. 5 is a schematic structural diagram of the recycling mechanism of the present invention.

In the figure: 1. a support leg; 2. a water outlet pipe; 3. a filter box; 4. a filtering membrane cleaning mechanism; 401. A booster pump; 402. a water inlet pipe; 403. a water storage cavity; 404. spraying holes; 5. a filtering mechanism; 501. a first filter plate; 502. a water inlet hopper; 503. a second filter plate; 504. a buffer plate; 505. a slag discharge pipe; 506. a tank body; 507. a filter screen; 508. a water inlet; 6. a cover plate; 7. a recovery mechanism; 701. a stirring motor; 702. a stirring shaft; 703. a flow distribution plate; 704. A support; 705. a brush; 8. a support bar; 9. an air intake mechanism; 901. an air inlet pipe; 902. A wind cavity; 903. an exhaust hole; 904. a fan; 905. blocking the net; 10. and (4) filtering the membrane.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1-5, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the 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.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

A dynamic membrane water purifying device comprises supporting legs 1, a filter box 3 is installed at the top of the supporting legs 1, a supporting rod 8, an air inlet mechanism 9, a filter membrane cleaning mechanism 4, a recovery mechanism 7 and a filter membrane 10 are arranged inside the filter box 3, a cover plate 6 is installed at the top of the filter box 3, one end of the supporting rod 8 is installed on the side wall of the filter box 3, the other end of the supporting rod is installed on the filter membrane 10, the bottom of the filter membrane 10 is installed on the bottom plate of the filter box 3 and penetrates through the bottom plate of the filter box 3 to extend to the bottom of the filter box 3, a drain outlet is formed in the bottom of the filter membrane 10, the recovery mechanism 7 is installed on the cover plate 6, one end of the recovery mechanism 7 penetrates through the cover plate 6 to extend to the inside of the filter membrane 10, a water outlet pipe 2 and a support frame are installed on one side of, the support frame is arranged on the side wall of the filter box 3, the top of the support frame is provided with the filter mechanism 5, and the filter mechanism 5 is connected with the filter box 3; this device filtering mechanism 5 can carry out effectual filtration with the pollutant of aquatic, the quality of water treatment has been guaranteed, retrieve mechanism 7 and can clean the pollutant that glues on filtration membrane 10 at filterable in-process, filtration membrane 10's normal operating has been guaranteed, the quality of water treatment has been improved, mechanism 9 and filtration membrane wiper mechanism 4 can blow away the debris that glues on filtration membrane 10, the life of filtration membrane 10 has been improved, the device has constructed the carbon nanofiber coating on the milipore filter surface, utilize the pre-absorption and the aperture screening effect of this coating, organic pollutant and milipore filter direct contact can be avoided, delay the formation of membrane surface filter cake layer, thereby alleviate the membrane pollution, the life of milipore filter has been improved.

The filtering mechanism 5 comprises a tank body 506, a water inlet 508 is arranged at the top of the tank body 506, a first filter plate 501, a second filter plate 503, a buffer plate 504 and a water inlet hopper 502 are arranged inside the tank body 506, the first filter plate 501 is arranged on the inner wall of the tank body 506, one end of the water inlet hopper 502 is arranged at the bottom of the first filter plate 501, the other end of the water inlet hopper 502 is arranged on the second filter plate 503 and extends to the bottom of the second filter plate 503, the buffer plate 504 is arranged on the inner wall of the tank body 506, the bottom of the water inlet hopper 502 is arranged on the inner wall of the tank body 506, a through hole is arranged on the side wall of the tank body 506 and is arranged at the top of the second filter plate 503, a filter screen 507 is arranged inside the through hole, the through hole is matched with the filter box 3, a slag discharge pipe 505 is arranged at the other side of the tank body 506, the efficiency of water treatment is improved, the effect of water treatment has been guaranteed, and the through-hole is used for connecting rose box 3 to in importing the supernatant of jar body 506 into rose box 3, second filter 503 can carry out the secondary and filter the quality of guaranteeing water treatment.

The buffer plate 504 is used for buffering water flowing out of the water inlet hopper 502, so that impurities precipitated at the bottom are prevented from being stirred up due to the too high flow rate of the water, and the quality of water treatment is guaranteed.

Filtering membrane wiper mechanism 4 includes inlet tube 402, booster pump 401, retaining chamber 403 and sprays hole 404, retaining chamber 403 is installed on one side inner wall of rose box 3, it installs on retaining chamber 403 to spray hole 404, the one end of inlet tube 402 is installed on retaining chamber 403, the other end runs through the lateral wall that filter box 3 extends to the outside of rose box 3, booster pump 401 is installed on the inlet tube 402 in the rose box 3 outside, and filtering membrane wiper mechanism 4 is used for spraying the clear water on filtering membrane 10, washs filtering membrane 10, has guaranteed filtering membrane 10's neatly, and can improve filtration efficiency, guarantees to filter the quality, has improved filtering membrane 10's life.

Wherein, booster pump 401 is used for the clear water pressure boost, guarantees that the clear water can be even sprays on filter screen 507 to reach the effect of wasing filter screen 507.

The air inlet mechanism 9 comprises an air inlet pipe 901, a baffle net 905, a fan 904 and an air cavity 902, wherein the air cavity 902 is arranged on the inner wall of the other side of the filter box 3, a plurality of exhaust holes 903 are arranged on the side wall of the air cavity 902, the exhaust holes 903 are evenly distributed on the inner wall of the air cavity 902, one end of the air inlet pipe 901 is installed on the side wall of the air cavity 902, the other end of the air inlet pipe penetrates through the side wall of the filter box 3 and extends to the outer side of the filter box 3, the fan 904 is installed on the side wall of the filter box 3, and is connected with the air inlet pipe 901, the baffle net 905 is installed at one end of the air inlet pipe 901, the air inlet device is used for uniformly spraying air on the filter net 507, is used for cleaning the filter screen 507, ensures the cleanness of the filter screen 507, prolongs the service life of the filter screen 507, and can air-dry 3 quick filter-boxes that wash completely, prevent that the inner wall of filter-box 3 from rustting, improve filter-box 3's life.

Retrieve mechanism 7 and include agitator motor 701, (mixing) shaft 702, flow equalizing plate 703, support 704 and brush 705, agitator motor 701 installs the top at apron 6, the one end of (mixing) shaft 702 is connected with agitator motor 701's output, the other end runs through the inside that apron 6 extends to filtration membrane 10, flow equalizing plate 703 is established on the inside (mixing) shaft 702 of filtration membrane 10, support 704 is installed on (mixing) shaft 702, flow equalizing plate 703's bottom, brush 705 installs the one side at support 704, retrieves mechanism 7 and is used for sweeping the impurity of gluing on filtration membrane 10 surface, guarantees the clean and tidy on filtration membrane 10 surface, has guaranteed filtration membrane 10's the work of just producing, has improved filtration membrane 10's life.

Under the effect of agitator motor 701, drive (mixing) shaft 702 and rotate to drive brush 705 and rotate, make brush 705 can strike off the carbon nanofiber coating on the milipore filter inner wall, and carry out the recovery and recycle, practiced thrift the resource, reduced manufacturing cost.

Wherein, flow equalizing plate 703 can filter in the even input of water from the interior processing of filter mechanism 5 to filtration membrane 10, prevents that the inhomogeneous phenomenon of filtration membrane 10 atress from appearing from taking place, has improved filtration membrane 10's life greatly, and brush 705 is used for sweeping the impurity of gluing at filtration membrane 10 internal surface, has guaranteed the cleanness of filtration membrane 10 internal surface, has improved filtration membrane 10's life greatly.

The filtering membrane 10 comprises an ultrafiltration membrane and a carbon nanofiber coating coated on the surface of the ultrafiltration membrane, the ultrafiltration membrane is used for filtering water, the quality of water treatment is guaranteed, direct contact between organic pollutants and the ultrafiltration membrane can be avoided under the pre-adsorption and pore size screening effects of the carbon nanofiber coating, and the formation of a filter cake layer on the surface of the membrane is delayed, so that membrane pollution is relieved, and the service life of the ultrafiltration membrane is prolonged.

In order to verify the effect of the filter membrane, the experiment was carried out by simulating humic substances in water with humic acid, protein substances in water with bovine serum albumin, polysaccharide substances in water with sodium alginate and organic pollutants in water, and the experiment results are as follows:

the experimental result can accurately show that the carbon nanofiber coating can effectively filter organic pollutants, improve the quality of water treatment, avoid the direct contact of the organic pollutants and the ultrafiltration membrane, and delay the formation of a filter cake layer on the surface of the membrane, so that the membrane pollution is relieved, and the service life of the ultrafiltration membrane is prolonged.

A dynamic membrane water purifying device comprises the following working processes: the during operation, with sewage from filter mechanism's water inlet input, carry out preliminary filtration and deposit, filter away great impurity in the sewage, input the rose box after filtering through the filter screen again, filter out the organic pollutant of aquatic under filter membrane's effect, the clear water of filtering the completion is discharged from the outlet pipe, the organic pollutant who filters out is discharged from the drain, then open agitator motor and drive the brush motion and scrape the carbon nanofiber coating on the milipore filter, and recycle, at last under filter membrane wiper mechanism and air inlet mechanism's effect, wash the milipore filter, the life of milipore filter has been improved greatly.

The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in relation to the specific embodiments described herein may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. A dynamic membrane water purifying device comprises supporting legs, a filter box is installed at the top of each supporting leg, and is characterized in that a supporting rod, an air inlet mechanism, a filter membrane cleaning mechanism, a recovery mechanism and a filter membrane are arranged in the filter box, a cover plate is installed at the top of the filter box, one end of the supporting rod is installed on the side wall of the filter box, the other end of the supporting rod is installed on the filter membrane, the bottom of the filter membrane is installed on the bottom plate of the filter box, the bottom plate penetrating through the filter box extends to the bottom of the filter box, a drain outlet is formed in the bottom of the filter membrane, the recovery mechanism is installed on the cover plate, one end of the recovery mechanism penetrates through the cover plate and extends to the inside of the filter membrane, a water outlet pipe and a support frame are installed on one side of the filter box, the water outlet pipe is installed at the bottom of the, the filtering mechanism is connected with the filtering box.

2. The dynamic membrane water purifying device as claimed in claim 1, wherein the filtering mechanism comprises a tank body, a water inlet is opened at the top of the tank body, a first filter plate, a second filter plate, a buffer plate and a water inlet hopper are arranged inside the tank body, the first filter plate is mounted on the inner wall of the tank body, one end of the water inlet hopper is mounted at the bottom of the first filter plate, the other end of the water inlet hopper is mounted on the second filter plate and extends to the bottom of the second filter plate, the buffer plate is mounted on the inner wall of the tank body, the bottom of the water inlet hopper is mounted on the inner wall of the tank body, a through hole is opened on the side wall of the tank body, the through hole is arranged at the top of the second filter plate, a filter screen is arranged inside the through hole, the through hole is matched with the filter tank, and a slag discharge.

3. The dynamic membrane water purifying device as claimed in claim 1, wherein the filtering membrane cleaning mechanism comprises a water inlet pipe, a booster pump, a water storage chamber and a spraying hole, the water storage chamber is installed on one side of the inner wall of the filtering box, the spraying hole is installed on the water storage chamber, one end of the water inlet pipe is installed on the water storage chamber, the other end of the water inlet pipe penetrates through the side wall of the filtering box and extends to the outside of the filtering box, and the booster pump is installed on the water inlet pipe outside the filtering box.

4. The dynamic membrane water purifying device according to claim 1, wherein the air inlet mechanism comprises an air inlet pipe, a blocking net, a fan and an air cavity, the air cavity is installed on the inner wall of the other side of the filter box, a plurality of air exhaust holes are formed in the side wall of the air cavity, the air exhaust holes are evenly distributed in the inner wall of the air cavity, one end of the air inlet pipe is installed on the side wall of the air cavity, the other end of the air inlet pipe penetrates through the side wall of the filter box and extends to the outer side of the filter box, the fan is installed on the side wall of the filter box and is connected with the air inlet pipe, and the blocking net is installed at one end of the air.

5. The dynamic membrane water purifying device as claimed in claim 1, wherein the recycling mechanism comprises a stirring motor, a stirring shaft, a flow equalizing plate, a support and a brush, the stirring motor is installed on the top of the cover plate, one end of the stirring shaft is connected with the output end of the stirring motor, the other end of the stirring shaft extends through the cover plate to the inside of the filtering membrane, the flow equalizing plate is arranged on the stirring shaft inside the filtering membrane, the support is installed on the stirring shaft, the bottom of the flow equalizing plate is installed on the bottom of the support, and the brush is installed on one side of the support.

6. The dynamic membrane water purification device of claim 1, wherein the filtration membrane comprises an ultrafiltration membrane and a carbon nanofiber coating coated on the surface of the ultrafiltration membrane.