CN113754017B - Novel ceramic membrane water purification device - Google Patents

Abstract

The application provides a novel ceramic membrane water purification device, which belongs to the technical field of membrane method water treatment. The novel ceramic membrane water purifying device comprises a water inlet pipeline, a water purifying component, a water outlet pipeline and a cleaning component. One end of the water inlet pipeline is communicated with a feed pump, a chlorination port is formed in the water inlet pipeline, and a water inlet regulating valve and a water inlet pneumatic valve are arranged between the feed pump and the chlorination port; the water purifying component comprises a shell and a membrane element, wherein a first membrane channel and a second membrane channel are formed in the membrane element, a water inlet end is formed in one side of the membrane element, a water producing end is formed in the other side of the membrane element, and a membrane layer is arranged between the first membrane channel and the second membrane channel; the water outlet pipe Lu Liantong is provided with a backflushing piece, and the other end of the water outlet pipeline is provided with a water production air valve and a water production regulating valve; the cleaning assembly is mounted within the housing. The novel ceramic membrane water purifying device is simple in process, free of medicament addition and low in energy consumption and cost.

Description

Novel ceramic membrane water purification device

Technical Field

The application relates to the field of membrane water treatment, in particular to a novel ceramic membrane water purifying device.

Background

With the improvement of the sanitary standard of drinking water and the pursuit of people for high-quality drinking water, a water plant adopting the traditional treatment process cannot treat the slightly polluted raw water into qualified drinking water. It is common practice to add advanced treatment processes, such as activated carbon or ozone activated carbon, to the traditional process. However, the upgrading of the treatment process leads to prolonged process flow, increased construction cost of structures, increased water production cost and difficulty in upgrading and reforming the water production cost. Therefore, the drinking water treatment industry is urgent to need an effective novel treatment process to replace the traditional treatment process or to reform a water plant on the basis of the original process so as to meet the requirements of new water quality standards.

The membrane technology can effectively remove pathogenic bacteria, algae, particulate matters and organic matters in the drinking water. Compared with the traditional process, the membrane technology can reduce the use of chemical reagents, reduce the sludge amount, produce high-quality drinking water, shorten the process flow and easily realize automatic operation. The ceramic membrane technology is used for treating drinking water without adding medicament and reagent, and has the advantages of simple process, low treatment cost and the like. However, the conventional ceramic membrane has complex preparation process, high production cost and greatly increased investment in early-stage equipment compared with other treatment processes, and the application of the ceramic membrane in the treatment of drinking water in medium and large water plants is greatly realized.

How to invent a novel ceramic membrane water purifying device to improve the problems becomes a problem to be solved urgently by the person skilled in the art.

Disclosure of Invention

The present application aims to solve at least one of the technical problems existing in the prior art. Therefore, the application provides a novel ceramic membrane water purification device, novel ceramic membrane water purification device simple process need not to add the medicament, and energy consumption and cost are lower.

The embodiment of the application provides a novel ceramic membrane water purification device which comprises a water inlet pipeline, a water purification component, a water outlet pipeline and a cleaning component.

One end of the water inlet pipeline is communicated with a feed pump, a chlorination port is formed in the water inlet pipeline, and a water inlet regulating valve and a water inlet pneumatic valve are arranged between the feed pump and the chlorination port; the water purification component comprises a shell and a membrane element, the shell is arranged on the outer side of the membrane element, a first membrane channel and a second membrane channel are formed in the membrane element, a water inlet end is formed in one side of the membrane element, a water producing end is formed in the other side of the membrane element, the first membrane channel is communicated with the water inlet end, the second membrane channel is communicated with the water producing end, the first membrane channel and the second membrane channel are indirectly arranged, and a membrane layer is arranged between the first membrane channel and the second membrane channel; the water outlet pipe Lu Liantong is provided with a backflushing piece, and the other end of the water outlet pipeline is provided with a water production air valve and a water production regulating valve; the cleaning assembly is mounted within the housing.

In the implementation process, raw water to be treated enters the water inlet pipeline after the pressure is increased by the feed pump, sodium hypochlorite is added into the water inlet pipeline through the chlorine adding port to be mixed with water according to the water quality requirement of drinking water, the water yield and the pressure of the membrane are controlled by the water inlet regulating valve and the water inlet pneumatic valve, raw water rich in sodium hypochlorite enters the inside of the shell, the raw water enters the first membrane channel through the water inlet end of the membrane element, colloid, microorganism, particulate matters and other impurities in water are trapped through the membrane layer separation effect, filtered water enters the second membrane channel and is discharged from the water producing end, purified water enters the water outlet pipeline, the purified water enters the tap water pipeline after passing through the backflushing piece, the water yield and the water pressure are regulated by the water yield regulating valve, when pollutants are enriched to a certain amount on the membrane layer filtering surface, the pressure difference between the membrane and the membrane is increased, the membrane filtering flux is decreased, the backflushing is closed, the membrane is opened, the membrane surface is backwashed, and the membrane element is cleaned, and the system is cleaned, and the service life of the system is improved after the membrane element is cleaned, and the system is cleaned.

In some specific embodiments of the present application, the feed pump is provided with a raw water inlet to be treated, and a water inlet pressure gauge is arranged at one end of the water inlet pipeline, which is close to the housing.

In the implementation process, the water pressure is detected through the water inlet pressure gauge, so that the water inlet regulating valve and the feed pump can be conveniently regulated to control the water quantity and the water pressure in a variable frequency manner.

In some embodiments of the present application, the membrane element is located at an intermediate position inside the housing, a water inlet cavity is disposed inside the housing on one side of the membrane element, and a water outlet cavity is disposed on the other side of the membrane element.

In some embodiments of the present application, the bottom side of the housing is communicated with a drain pipe, and a water baffle is arranged inside the housing.

In the implementation process, the drain pipe is convenient for timely discharging impurities in the shell.

In some embodiments of the present application, the outer surface of the membrane element is provided with a water bar, and the water bar is movably clamped to the water bar.

In the implementation process, the water baffle is made of rubber materials, and water flow is blocked by the water baffle and the water baffle, so that the water is guided into the first membrane channel.

In some specific embodiments of the present application, the water outlet pipeline is provided with a water production pressure gauge near the housing, a water production flow meter is provided between the water production pneumatic valve and the water production regulating valve, and a water production outlet is provided on the other side of the water production regulating valve.

In the implementation process, the water pressure and the flow of the water producing end are detected through the water producing pressure gauge and the water producing flow gauge.

In some embodiments of the present application, the backflushing member includes a backflushing water storage tank, a gas storage tank and an air compressor, the backflushing water storage tank is located at one side of the housing, the water inlet pressure gauge is located between the backflushing water storage tank and the housing, the water-producing pneumatic valve is located at the other side of the backflushing water storage tank, the gas storage tank is communicated with the backflushing water storage tank, and the air compressor is communicated with the other side of the gas storage tank.

In some specific embodiments of the present application, a backflushing pneumatic valve is arranged between the backflushing water storage tank and the air storage tank, and a regulating valve is arranged between the air storage tank and the air compressor.

In some specific embodiments of the present application, a backwash air valve is arranged between the chlorination port and the water inlet pressure gauge, and a backwash water discharge port is arranged on the other side of the backwash air valve.

In some embodiments of the present application, the cleaning assembly includes a link and a turntable, a section of the link is provided with a cleaning brush, the cleaning brush is of a spiral design, the cleaning brush is slidably connected to the first membrane channel, and the other end of the link is slidably connected to the turntable.

In the implementation process, the cleaning brush is spirally wound on the connecting rod, the cleaning brush is used for brushing the first film channel, and meanwhile, the cleaning brush rotates to spirally convey and discharge impurities.

In some embodiments of the present application, the turntable is arranged in an inclined manner, the bottom side of the cleaning brush is arranged in an inclined manner, the cleaning brush is attached to the surface of the turntable, and the other side of the turntable is fixedly connected with a rotating shaft.

In the implementation process, the rotary table conveniently pushes the cleaning brush to move up and down in the first film channel, the surface of the ceramic film is cleaned, and the rotary table is driven to rotate in the shell through the rotary shaft.

In some embodiments of the present application, the shaft is fixedly connected with a rotating paddle, the housing is fixedly connected with a first bracket and a second bracket, and the shaft is rotatably connected to the first bracket and the second bracket.

In the implementation process, the rotating paddles are driven to rotate through water flow, and the rotating shafts drive the rotating discs to rotate, so that the energy-saving and environment-friendly effects are achieved.

In some embodiments of the present application, the rotating paddle is located between the first bracket and the second bracket, and the first bracket is located between the turntable and the rotating paddle.

In some embodiments of the present application, a fixing rod is fixedly connected to one side of the second support, a supporting rod is fixedly connected to the other end of the fixing rod, and the supporting rod and the fixing rod are vertically arranged.

In some specific embodiments of the present application, the pivot other end fixedly connected with dwang, the spout has been seted up to the dwang, the spout is wavy design, branch sliding connection in the spout, dwang fixedly connected with connecting rod, connecting rod other end fixedly connected with scraper blade, the scraper blade contact in the shell internal surface.

In the implementation process, the rotating shaft rotates to drive the rotating block to rotate, the supporting rod slides in the sliding groove, and the sliding groove bends to push the rotating block to move up and down to drive the rotating shaft to move up and down along with the rotating disc, so that the rotating disc moves up and down while rotating.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present application and therefore should not be considered as limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the filtration principle of the novel ceramic membrane water purification device provided in the embodiment of the application;

fig. 2 is a schematic view of a housing structure according to an embodiment of the present application;

FIG. 3 is a schematic cross-sectional view of a water purification assembly according to an embodiment of the present application;

FIG. 4 is a schematic view of a membrane element and cleaning assembly provided in an embodiment of the present application;

FIG. 5 is a schematic cross-sectional view of a membrane element and cleaning assembly provided in an embodiment of the present application;

FIG. 6 is a schematic view of a membrane element according to an embodiment of the present disclosure;

FIG. 7 is a schematic cross-sectional view of a membrane element according to an embodiment of the present disclosure;

FIG. 8 is a schematic view of a connecting rod and a turntable according to an embodiment of the present disclosure;

fig. 9 is a schematic structural view of a rotating paddle and a rotating block according to an embodiment of the present disclosure;

FIG. 10 is a flow chart of a conventional tap water treatment process;

FIG. 11 is a flow chart of a tap water treatment process of an organic ultrafiltration membrane;

fig. 12 is a flow chart of a tap water treatment process according to an embodiment of the present application.

In the figure: 100-water inlet pipeline; 110-a feed pump; 111-raw water inlet to be treated; 120-a water inlet regulating valve; 130-a water inlet pneumatic valve; 140-a chlorine adding port; 150-a water inlet pressure gauge; 300-a water purification assembly; 310-a housing; 311-a water inlet cavity; 312-a water outlet cavity; 313-blow-down pipe; 314-a water baffle; 320-membrane element; 321-a first membrane channel; 322-a second membrane channel; 323-membrane layer; 324-water inlet end; 325-water producing end; 330-water baffle strips; 400-water outlet pipeline; 410-a water production pressure gauge; 420-recoil piece; 421-back flushing the water storage tank; 422-recoil pneumatic valve; 423-gas storage tank; 424-regulating valve; 425-air compressor; 426-backwash water pneumatic valve; 427-backwash water discharge port; 430-water-producing gas valve; 440-a produced water flowmeter; 450-water production regulating valve; 451-a produced water outlet; 500-cleaning assembly; 510-connecting rod; 511-a cleaning brush; 520-a turntable; 521-rotating shaft; 530-rotating paddles; 540-a first scaffold; 550-a second rack; 551-fixed bar; 552-struts; 560-turning the block; 561-chute; 562-connecting rods; 563-squeegee.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some of the embodiments of the present application, but not all of the embodiments. All other embodiments, based on the embodiments herein, which would be apparent to one of ordinary skill in the art without undue burden are within the scope of the present application.

Accordingly, the following detailed description of the embodiments of the present application, provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, based on the embodiments herein, which would be apparent to one of ordinary skill in the art without undue burden are within the scope of the present application.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by way of additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

A novel ceramic membrane water purifying device according to an embodiment of the present application is described below with reference to the accompanying drawings.

Referring to fig. 1-9, the present application provides a novel ceramic membrane water purifying device, which includes a water inlet pipeline 100, a water purifying component 300, a water outlet pipeline 400 and a cleaning component 500.

Wherein, water inlet pipe 100 communicates in water purification subassembly 300 one side, and water outlet pipe 400 communicates in water purification subassembly 300 opposite side, and clean subassembly 500 is installed in water purification subassembly 300, filters the magazine in the raw water that will treat through water purification subassembly 300, simplifies water purification technology, reduces the water purification cost.

Referring to fig. 1, one end of a water inlet pipeline 100 is communicated with a feed pump 110, the water inlet pipeline 100 is provided with a chlorination port 140, and a water inlet regulating valve 120 and a water inlet pneumatic valve 130 are arranged between the feed pump 110 and the chlorination port 140.

Specifically, raw water to be treated enters the water inlet pipeline 100 after the pressure of the raw water is increased by the feed pump 110, sodium hypochlorite is added into the water inlet pipeline 100 through the chlorinating port 140 to be mixed with water according to the water quality requirement of drinking water, and the frequency of the water inlet regulating valve 120 and the feed pump is regulated to control the water yield and the membrane inlet pressure.

Wherein the pump lift of the feed pump 110 is 10-40m, and the pump flow is 1.5-2 times of the water yield.

Referring to fig. 1-7, the water purifying component 300 includes a housing 310 and a membrane element 320, the housing 310 is disposed at an outer side of the membrane element 320, the membrane element 320 is provided with a first membrane channel 321 and a second membrane channel 322, one side of the membrane element 320 is provided with a water inlet end 324, the other side of the membrane element 320 is provided with a water producing end 325, the first membrane channel 321 is communicated with the water inlet end 324, the second membrane channel 322 is communicated with the water producing end 325, the first membrane channel 321 and the second membrane channel 322 are indirectly disposed, and a membrane layer 323 is disposed between the first membrane channel 321 and the second membrane channel 322.

It should be noted that, the membrane element 320 is a honeycomb ceramic membrane, and is structurally characterized in that holes are alternately plugged by honeycomb ceramic, that is, a first membrane channel 321 and a second membrane channel 322 with one end face adjacent to each other are plugged, and then the other end face is plugged, and a separation layer between the first membrane channel 321 and the second membrane channel 322 is a membrane layer 323. The ceramic membrane adopts a symmetrical membrane with an average pore diameter of 0.1-3 μm and a membrane thickness of 0.1-1mm, wherein the symmetrical membrane is composed of ceramic or ceramic composite material with an average particle diameter of 0.5-10 μm.

Specifically, the raw water rich in sodium hypochlorite enters the housing 310, and as the second membrane channel 322 is blocked, the raw water enters the first membrane channel 321 through the water inlet end 324 of the membrane element 320, impurities such as colloid, microorganism, particulate matters and the like in the water are trapped under the separation action of the membrane layer 323, and the filtered water enters the second membrane channel 322 and is discharged from the water producing end 325.

The pressure of raw water is 0.5-5bar after being pumped by the feed pump 110 and fed into the membrane element 320, the designed water yield of the membrane layer 323 is only related to the water quality of a water source, the design range is 100-500L/square meter/h, the added amount of sodium hypochlorite is determined by referring to the actual transportation distance between related files and a pipe network, sodium hypochlorite is added before the raw water enters the membrane element 320, macromolecular organic matters in the water are decomposed into small molecules due to the strong oxidizing property of the sodium hypochlorite, and a dense filter cake layer and a gel layer are not easily formed on the membrane surface of the membrane layer 323, so that the effective working time of the membrane layer 323 can be greatly increased, and the filtering effect is improved.

Referring to fig. 1, a water outlet pipeline 400 is provided with a back flushing member 420 in a communicating manner, and a water production valve 430 and a water production regulating valve 450 are provided at the other end of the water outlet pipeline 400.

Specifically, the purified water enters the water outlet pipeline 400, passes through the back flushing piece 420 and enters the tap water pipe network, and the water yield pneumatic valve 430 and the water yield regulating valve 450 regulate the water yield and the water pressure.

Referring to fig. 3, 4, 5, 8, and 9, the cleaning assembly 500 is mounted within the housing 310.

Specifically, the cleaning assembly 500 cleans the housing 310 and the membrane element 320, improving the service life and filtering effect of the membrane element 320.

The operation of the novel ceramic membrane water purifier according to the embodiment of the present application will be described below with reference to the accompanying drawings.

Raw water to be treated enters the water inlet pipeline 100 after the pressure of the raw water is increased by the feed pump 110, sodium hypochlorite is added into the water inlet pipeline 100 through the chlorine adding port 140 to be mixed with water according to the water quality requirement of drinking water, the water yield and the membrane inlet pressure are controlled by the water inlet regulating valve 120 and the water inlet pneumatic valve 130, raw water rich in sodium hypochlorite enters the inside of the shell 310, enters the first membrane channel 321 through the water inlet end 324 of the membrane element 320, impurities such as colloid, microorganisms and particles in the water are trapped through the membrane layer 323, filtered water enters the second membrane channel 322 and is discharged from the water producing end 325, purified water enters the water outlet pipeline 400, the water is fed into the tap water pipe network after passing through the backflushing piece 420, the water yield and the water yield regulating valve 430 and the water yield regulating valve 450 are regulated, when the pollutant is enriched to a certain amount on the filter surface of the membrane layer 323, the pressure difference between the membrane and the membrane is increased, the membrane filtration flux is reduced, the water yield is closed, the backflushing piece 420 is started to the membrane surface, and the shell 310 and the membrane element 320 are cleaned by the cleaning assembly 500, the service life of the membrane element 320 is prolonged, the filter effect of the membrane element 320 is improved, and the system is cleaned after the system is completely cleaned, and the system is normally discharged.

Compared with the traditional drinking water treatment process in fig. 10, the front end of the process does not need to add a medicament, secondary pollution is not introduced, the process is simple, the quality of produced water is stable, the quality of produced water is not influenced along with the fluctuation of the quality of water source, the occupied area is small, the treatment cost is low, and full-automatic remote monitoring can be realized;

compared with the drinking water treatment process of the organic ultrafiltration membrane in FIG. 11, the process is simple, the membrane has strong pollution resistance, the flux per unit membrane area is 5-10 times that of the organic membrane, the equipment operation energy consumption is lower, and the overall process investment is smaller.

Referring to fig. 1, a feed pump 110 is provided with a raw water inlet 111 to be treated, a water inlet pressure gauge 150 is provided at one end of a water inlet pipeline 100 close to a housing 310, and water pressure is detected by the water inlet pressure gauge 150, so that a water inlet regulating valve 120 and a feed pump are conveniently regulated to control water quantity and water pressure in a variable frequency manner.

Referring to fig. 3, a membrane element 320 is located at a middle position inside a housing 310, a water inlet cavity 311 is disposed inside the housing 310 at one side of the membrane element 320, and a water outlet cavity 312 is disposed at the other side of the membrane element 320.

Referring to fig. 3, 6 and 7, referring to the novel ceramic membrane water purifying device in the embodiment of the application, a drain pipe 313 is communicated with the bottom side of a housing 310, a water baffle 314 is arranged inside the housing 310, the drain pipe 313 is convenient for discharging impurities in the housing 310 in time, and the water baffle 314 is welded and fixed on the housing 310.

Referring to fig. 6 and 7, referring to a novel ceramic membrane water purifying device in the embodiment of the application, a water bar 330 is disposed on an outer surface of a membrane element 320, the water bar 330 is movably clamped to the water bar 314, specifically, the water bar 330 is made of rubber material, and water flow is blocked by the water bar 314 and the water bar 330 and is led into a first membrane channel 321.

Referring to fig. 1, a water outlet pipeline 400 is provided with a water production pressure gauge 410 near a housing 310, a water production flow meter 440 is provided between a water production pneumatic valve 430 and a water production regulating valve 450, a water production outlet 451 is provided on the other side of the water production regulating valve 450, and the water pressure and flow of a water production end 325 are detected by the water production pressure gauge 410 and the water production flow meter 440.

Aiming at the problem that impurities are easy to adhere to the surface of a ceramic membrane and membrane pollution occurs, the following scheme is proposed.

Referring to fig. 1, a backflushing member 420 includes a backflushing water storage tank 421, a gas storage tank 423 and an air compressor 425, the backflushing water storage tank 421 is located at one side of the housing 310, a water inlet pressure gauge 150 is located between the backflushing water storage tank 421 and the housing 310, a water producing pneumatic valve 430 is located at the other side of the backflushing water storage tank 421, the gas storage tank 423 is communicated with the backflushing water storage tank 421, and the air compressor 425 is communicated with the other side of the gas storage tank 423.

Referring to fig. 1, a backflushing pneumatic valve 422 is arranged between a backflushing water storage tank 421 and a gas storage tank 423, and a regulating valve 424 is arranged between the gas storage tank 423 and an air compressor 425.

Referring to fig. 1, a backwash water pneumatic valve 426 is arranged between a chlorine adding port 140 and a water inlet pressure gauge 150, and a backwash water discharge port 427 is arranged on the other side of the backwash water pneumatic valve 426.

It should be noted that, the volume of the back flush water storage tank 421 is determined according to the membrane area, 1-5L of back flush water is required per square meter of membrane area, when the pressure difference between the liquid inlet end and the liquid outlet end of the membrane exceeds 0.5-2bar, intermittent back flushing of the filtrate is automatically adopted, so that the filter cake layer attached to the membrane surface of the membrane layer 323 is separated, and the filter cake layer is discharged out of the membrane element 320, thereby effectively preventing membrane pollution and ensuring long-term stable operation of the system.

Aiming at the problem that some impurities on the surface of the ceramic membrane are difficult to remove, the service life is shortened, the following scheme is provided.

Referring to fig. 3, 4, 5, 8 and 9, a cleaning assembly 500 includes a connecting rod 510 and a turntable 520, a cleaning brush 511 is disposed on one section of the connecting rod 510, the cleaning brush 511 is in a spiral design, the cleaning brush 511 is slidably connected to a first membrane channel 321, and the other end of the connecting rod 510 is slidably connected to the turntable 520.

Referring to fig. 3, 4, 5, 8 and 9, a rotary table 520 is obliquely arranged, a cleaning brush 511 is obliquely arranged at the bottom and is attached to the surface of the rotary table 520, a rotary shaft 521 is fixedly connected to the other side of the rotary table 520, the rotary shaft 521 and the rotary table 520 are integrally designed, the cleaning brush 511 is spirally wound on a connecting rod 510, a first membrane channel 321 is scrubbed by the cleaning brush 511, the rotary table 520 is driven to rotate by the rotary shaft 521, and the cleaning brush 511 is also rotated along with the rotary table 520 when the rotary table 520 rotates due to the oblique arrangement of the bottom of the cleaning brush 511, so that impurities are spirally conveyed and discharged.

Specifically, the turntable 520 conveniently pushes the cleaning brush 511 to move up and down in the first film passage 321 to clean the surface of the ceramic film, and the turntable 520 is driven to rotate in the housing 310 by the rotating shaft 521.

Referring to fig. 3, 4, 5, 8 and 9, a rotating shaft 521 is fixedly connected with a rotating paddle 530, a housing 310 is fixedly connected with a first bracket 540 and a second bracket 550, the rotating shaft 521 is rotatably connected with the first bracket 540 and the second bracket 550, the rotating paddle 530 is in key connection with the rotating shaft 521, and the first bracket 540 and the second bracket 550 are bolted to the housing 310.

It should be noted that, the rotating paddle 530 is driven to rotate by the water flow, and the rotating disc 520 is driven to rotate by the rotating shaft 521, so that the energy is saved and the environment is protected.

Referring to fig. 3, 4, 5, 8 and 9, a rotary paddle 530 is located between a first support 540 and a second support 550, and the first support 540 is located between a turntable 520 and the rotary paddle 530.

Referring to fig. 3, 4, 5, 8 and 9, a fixing rod 551 is fixedly connected to one side of a second support 550, a supporting rod 552 is fixedly connected to the other end of the fixing rod 551, the supporting rod 552 and the fixing rod 551 are vertically arranged, the fixing rod 551 is fixedly welded to the second support 550, and the supporting rod 552 is fixedly welded to the fixing rod 551.

Referring to fig. 3, 4, 5, 8 and 9, referring to the novel ceramic membrane water purifying device according to the embodiment of the application, the other end of the rotating shaft 521 is fixedly connected with a rotating block 560, a sliding groove 561 is formed in the rotating block 560, a supporting rod 552 is slidably connected with the sliding groove 561, the rotating block 560 is fixedly connected with a connecting rod 562, the other end of the connecting rod 562 is fixedly connected with a scraper 563, the scraper 563 contacts the inner surface of the housing 310, the rotating block 560 is fixedly connected with the rotating shaft 521 through a bolt, the connecting rod 562 is fixedly connected with the rotating block 560 through welding, and the scraper 563 is fixedly connected with the connecting rod 562 through a bolt.

Specifically, the rotating shaft 521 rotates to drive the rotating block 560 to rotate, the supporting rod 552 slides in the sliding groove 561, the sliding groove 561 is of a wavy design, and the sliding groove 561 is of a wavy design surrounding the rotating block 560, so that the rotating block 560 is pushed to move up and down to drive the rotating shaft 521 and the rotating disc 520 to move up and down, and the rotating disc 520 moves up and down while rotating.

The novel ceramic membrane water purifying device has the working principle that: firstly, checking that all valves of a system are in a closed state, opening a water inlet regulating valve 120, a water inlet pneumatic valve 130, a water producing pneumatic valve 430 and a water producing regulating valve 450, lifting pressure of raw water by a feed pump 110, then entering a pipeline, adding sodium hypochlorite into the pipeline through a chlorine adding port 140, mixing with water, then entering a shell 310, entering raw water rich in sodium hypochlorite into a membrane element 320, separating impurities such as colloid, microorganism, particulate matters and the like in the water by a ceramic membrane, entering a back flushing water storage tank 421 after purified water enters a tap water pipe network after filling the back flushing water storage tank 421, regulating water yield and film inlet pressure of the system, controlling the water yield to be designed by a water yield reference system, displaying the water yield by a water yield pressure meter 410, displaying the pressure by a water inlet pressure meter 150, controlling the pressure to be 0.5-5bar, starting an air compressor 425, regulating the pressure to be 4-8bar, opening a regulating valve 424, the air source needed by backflushing is stored in the air storage tank 423, the pressure of the air storage tank 423 is 4-8bar, the size is 1-3 times of that of the backflushing water storage tank 421, when the pollutant is enriched to a certain amount on the ceramic membrane filtering surface, the membrane surface is polluted, the operating frequency of the feed pump is increased to increase the water inlet pressure, the number of the water inlet pressure gauge 150 is increased to keep the number of the water producing pressure gauge 410 unchanged, when the number of the water inlet pressure is increased to 1-2bar, the water producing air valve 430 is closed, the water producing valve 130 is closed, the backflushing air valve 422 is opened, the backflushing air valve 426 is opened, the membrane surface is backflushed, the rotary paddle 530 is driven to rotate by water flow, the rotary table 520 is driven to rotate by the rotary shaft 521, the rotary block 560 is driven to rotate by the rotary shaft 521, the support rod 552 slides in the sliding chute 561, the rotary block 560 is driven to move up and down by the wavy design of the sliding chute 561, the rotating shaft 521 and the rotating disc 520 are driven to move up and down, so that the rotating disc 520 moves up and down while rotating, the first film channel 321 is scrubbed by the cleaning brush 511, meanwhile, the cleaning brush 511 rotates along with the rotating disc 520 due to the inclined arrangement of the bottom of the cleaning brush 511, impurities are spirally conveyed and discharged, backwash water is discharged through the backwash water discharge port 427, after flushing is finished, the backwash water pneumatic valve 426 and the backwash pneumatic valve 422 are closed, the water production pneumatic valve 430 is opened, water production is started, and all parameters of the system are restored to be clean after gas in the system is discharged.

It should be noted that, specific model specifications of the feed pump 110, the water inlet regulating valve 120, the water inlet pneumatic valve 130, the water inlet pressure gauge 150, the water producing pressure gauge 410, the backwash water storage tank 421, the backwash pneumatic valve 422, the air storage tank 423, the regulating valve 424, the air compressor 425, the backwash water pneumatic valve 426, the water producing pneumatic valve 430, the water producing flowmeter 440 and the water producing regulating valve 450 need to be determined by selecting the model according to the actual specifications of the device, and the specific model selecting calculation method adopts the prior art in the field, so that detailed description is omitted.

The power supply of the feed pump 110 and the air compressor 425 and the principle thereof will be apparent to those skilled in the art and will not be described in detail herein.

The foregoing is merely exemplary embodiments of the present application and is not intended to limit the scope of the present application, and various modifications and variations may be suggested to one skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

The foregoing is merely specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present application, and the changes and substitutions are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (9)

1. Novel ceramic membrane water purification device, its characterized in that includes

The water inlet pipeline (100), one end of the water inlet pipeline (100) is communicated with a feed pump (110), the water inlet pipeline (100) is provided with a chlorination port (140), and a water inlet regulating valve (120) and a water inlet pneumatic valve (130) are arranged between the feed pump (110) and the chlorination port (140);

the water purification assembly (300), the water purification assembly (300) comprises a shell (310) and a membrane element (320), the shell (310) is arranged on the outer side of the membrane element (320), a first membrane channel (321) and a second membrane channel (322) are formed in the membrane element (320), a water inlet end (324) is formed in one side of the membrane element (320), a water producing end (325) is formed in the other side of the membrane element (320), the first membrane channel (321) is communicated with the water inlet end (324), the second membrane channel (322) is communicated with the water producing end (325), the first membrane channel (321) and the second membrane channel (322) are indirectly arranged, and a membrane layer (323) is arranged between the first membrane channel (321) and the second membrane channel (322);

the water outlet pipeline (400), the water outlet pipeline (400) is communicated and provided with a recoil piece (420), and the other end of the water outlet pipeline (400) is provided with a water production air valve (430) and a water production regulating valve (450);

cleaning assembly (500), cleaning assembly (500) install in shell (310), cleaning assembly (500) include connecting rod (510) and carousel (520), connecting rod (510) one section is equipped with cleaning brush (511), cleaning brush (511) are spiral design, cleaning brush (511) sliding connection in first membrane passageway (321), connecting rod (510) other end sliding connection in carousel (520), carousel (520) are the slope setting, cleaning brush (511) bottom side be the slope setting, with carousel (520) surface laminating mutually, carousel (520) opposite side fixedly connected with pivot (521), pivot (521) with carousel (520) integrated design, cleaning brush (511) spiral winding is in on connecting rod (510), pivot (521) fixedly connected with rotary paddle (530), shell (310) fixedly connected with first support (540) and second support (550), 521) rotate connect in first support (540) and second support (550) rotary paddle (521) are connected with second support (550).

2. The novel ceramic membrane water purification device according to claim 1, wherein the feed pump (110) is provided with a raw water inlet (111) to be treated, and a water inlet pressure gauge (150) is arranged at one end of the water inlet pipeline (100) close to the shell (310).

3. The novel ceramic membrane water purification device according to claim 1, wherein the membrane element (320) is located at an intermediate position inside the housing (310), a water inlet cavity (311) is formed in the housing (310) and located on one side of the membrane element (320), and a water outlet cavity (312) is formed on the other side of the membrane element (320).

4. The novel ceramic membrane water purification device according to claim 1, wherein a drain pipe (313) is communicated with the bottom side of the housing (310), and a water baffle (314) is arranged inside the housing (310).

5. The novel ceramic membrane water purification device according to claim 4, wherein a water blocking strip (330) is arranged on the outer surface of the membrane element (320), and the water blocking strip (330) is movably clamped with the water blocking plate (314).

6. The novel ceramic membrane water purifying device according to claim 1, wherein the water outlet pipeline (400) is provided with a water production pressure gauge (410) close to the shell (310), a water production flow meter (440) is arranged between the water production pneumatic valve (430) and the water production regulating valve (450), and a water production outlet (451) is arranged on the other side of the water production regulating valve (450).

7. The novel ceramic membrane water purification device according to claim 2, wherein the back flushing piece (420) comprises a back flushing water storage tank (421), a gas storage tank (423) and an air compressor (425), the back flushing water storage tank (421) is located on one side of the shell (310), the water inlet pressure gauge (150) is located between the back flushing water storage tank (421) and the shell (310), the water producing pneumatic valve (430) is located on the other side of the back flushing water storage tank (421), the gas storage tank (423) is communicated with the back flushing water storage tank (421), and the air compressor (425) is communicated with the other side of the gas storage tank (423).

8. The novel ceramic membrane water purification device according to claim 7, wherein a backflushing pneumatic valve (422) is arranged between the backflushing water storage tank (421) and the air storage tank (423), and a regulating valve (424) is arranged between the air storage tank (423) and the air compressor (425).

9. The novel ceramic membrane water purification device according to claim 8, wherein a backwash air valve (426) is arranged between the chlorination port (140) and the water inlet pressure gauge (150), and a backwash water discharge port (427) is arranged on the other side of the backwash air valve (426).

Images