CN113754017A - Novel ceramic membrane water purification device - Google Patents

Abstract

The application provides a novel ceramic membrane purifier belongs to embrane method water treatment technical field. The novel ceramic membrane water purifying device comprises a water inlet pipeline, a water purifying assembly, a water outlet pipeline and a cleaning assembly. One end of the water inlet pipeline is communicated with a feed pump, the water inlet pipeline is provided with a chlorination port, 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 assembly comprises a shell and a membrane element, wherein the membrane element is provided with a first membrane channel and a second membrane channel, one side of the membrane element is provided with a water inlet end, the other side of the membrane element is provided with a water production end, and a membrane layer is arranged between the first membrane channel and the second membrane channel; the water outlet pipeline is communicated with and provided with a back flushing part, and the other end of the water outlet pipeline is provided with a water production pneumatic 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 adding medicaments and low in energy consumption and cost.

Description

Novel ceramic membrane water purification device

Technical Field

The application relates to the field of membrane method 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 slightly polluted raw water into qualified drinking water. It is now common practice to add advanced treatment processes, such as activated carbon or ozone activated carbon, to conventional processes. However, the upgrading of the treatment process results in prolonged process flow, increased construction cost of structures, increased water production cost, and difficulty in upgrading and reconstructing the treatment process. Therefore, an effective novel treatment process is urgently needed in the drinking water treatment industry to replace the traditional treatment process or modify a water plant on the basis of the original process so as to meet the requirement of a new water quality standard.

The membrane process 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, no reagent is needed to be added during drinking water treatment, and the method has the advantages of simple process, low treatment cost and the like. However, the conventional ceramic membrane preparation process is complex, the production cost is high, the equipment investment in the early stage is far greater than that of other treatment processes, and the application of the ceramic membrane in the treatment of drinking water in medium and large water plants is also greatly valued.

How to invent a novel ceramic membrane water purifier to improve the problems becomes a problem to be solved by those skilled in the art.

Disclosure of Invention

The present application is directed to solving at least one of the problems in the prior art. Therefore, the ceramic membrane water purifying device is simple in process, free of adding of a medicament and low in energy consumption and cost.

The embodiment of the application provides a novel ceramic membrane purifier includes water intake pipe, water purification subassembly, outlet pipe way and clean subassembly.

One end of the water inlet pipeline is communicated with a feed pump, the water inlet pipeline is provided with a chlorination port, 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 assembly comprises a shell and a membrane element, the shell is arranged on the outer side of the membrane element, the membrane element is provided with a first membrane channel and a second membrane channel, one side of the membrane element is provided with a water inlet end, the other side of the membrane element is provided with a water production end, the first membrane channel is communicated with the water inlet end, the second membrane channel is communicated with the water production 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 pipeline is communicated with and provided with a back flushing part, and the other end of the water outlet pipeline is provided with a water production pneumatic 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 of the raw water is raised by the feed pump, sodium hypochlorite is added into the water inlet pipeline through the chlorination port according to the water quality requirement of drinking water, the water inlet regulating valve and the water inlet pneumatic valve are regulated to control the water yield and the membrane inlet pressure, the raw water rich in the sodium hypochlorite enters the shell, the raw water enters the first membrane channel through the water inlet end of the membrane element, impurities such as colloid, microorganism and particulate matters in the water are intercepted through the membrane layer separation effect, the filtered water enters the second membrane channel and is discharged from the water production end, the purified water enters the water outlet pipeline and enters a tap water pipe network after passing through the backflushing element, the water yield pneumatic valve and the water production regulating valve regulate the water yield and the water pressure, and when the pollutants are enriched to a certain amount on the membrane layer filtering surface, the pressure difference between the front of the membrane and the back of the membrane is increased, the filtration flux of the membrane is reduced, the water production is closed, the backwashing piece is opened, the membrane surface is backwashed, meanwhile, the shell and the membrane element are cleaned by the cleaning assembly, the service life and the filtration effect of the membrane element are improved, after the flushing is finished, the system starts to produce water again, and when the gas in the system is discharged completely, the system returns to normal operation.

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

In the implementation process, the water inlet pressure gauge detects water pressure and is convenient to adjust the water inlet adjusting valve and the feeding pump to control the water quantity and the water pressure in a frequency conversion mode.

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

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

In the implementation process, the sewage discharge pipe is convenient for discharging impurities in the shell in time.

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 on the water baffle.

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

In some embodiments of the present application, the water outlet pipeline is close to the housing and is provided with a water producing pressure gauge, the water producing pneumatic valve and the water producing regulating valve are provided with a water producing flow meter therebetween, and the other side of the water producing regulating valve is provided with a water producing outlet.

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

In some embodiments of the application, the recoil piece includes back flush water storage tank, gas holder and air compressor machine, back flush water storage tank is located shell one side, the manometer of intaking is located back flush water storage tank with between the shell, it is located to produce the water pneumatic valve back flush water storage tank opposite side, the gas holder communicate in back flush water storage tank, the air compressor machine communicate in the gas holder opposite side.

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

In some embodiments of the present application, a backwash water pneumatic valve is provided between the chlorination port and the water intake pressure gauge, and a backwash water discharge port is provided on the other side of the backwash water pneumatic valve.

In some embodiments of the present application, the cleaning assembly includes a connecting rod and a rotating disc, one section of the connecting rod 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 connecting rod is slidably connected to the rotating disc.

In the implementation process, the cleaning brush is spirally wound on the connecting rod, the first membrane channel is scrubbed through the cleaning brush, and meanwhile, the cleaning brush rotates to convey and discharge impurities spirally.

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

In the implementation process, the turntable is convenient to push the cleaning brush to move up and down in the first membrane channel to clean the surface of the ceramic membrane, and the turntable is driven by the rotating shaft to rotate in the shell.

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

In the implementation process, the rotating paddle is driven to rotate by water flow, and the rotating shaft drives the rotating disc 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 bracket, and a supporting rod is fixedly connected to the other end of the fixing rod, and the supporting rod and the fixing rod are vertically disposed.

In some embodiments of this application, pivot other end fixedly connected with turning block, the spout has been seted up to the turning block, the spout is wavy design, branch sliding connection in the spout, turning block fixedly connected with connecting rod, the 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 is bent to push the rotating block to move up and down to drive the rotating shaft and the turntable to move up and down, so that the turntable can move up and down while rotating.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

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

FIG. 2 is a schematic structural diagram of a housing provided in 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 disclosure;

FIG. 4 is a schematic view of a membrane element and cleaning assembly according to an embodiment of the present disclosure;

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

FIG. 6 is a schematic structural view of a membrane element provided in an embodiment of the present application;

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 structural diagram of a connecting rod and a turntable provided in an embodiment of the present application;

FIG. 9 is a schematic structural view of a rotary paddle and a rotary block provided in an embodiment of the present application;

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

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

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

In the figure: 100-a water inlet pipeline; 110-a feed pump; 111-raw water inlet to be treated; 120-water inlet regulating valve; 130-water inlet pneumatic valve; 140-a chlorine adding port; 150-water inlet pressure gauge; 300-a water purification component; 310-a housing; 311-water inlet cavity; 312-a water outlet cavity; 313-a sewage draining pipe; 314-a water baffle; 320-a membrane element; 321-a first membrane channel; 322-a second membrane channel; 323-film layer; 324-water inlet end; 325-water producing end; 330-water retaining strip; 400-water outlet pipeline; 410-water production pressure gauge; 420-a kick-back; 421-backwashing the water storage tank; 422-recoil pneumatic valve; 423-air storage tank; 424-regulating valve; 425-an air compressor; 426-backwash water pneumatic valve; 427-backwash water discharge port; 430-water producing pneumatic valve; 440-a water production flow meter; 450-water production regulating valve; 451-water outlet; 500-a cleaning assembly; 510-a connecting rod; 511-cleaning brush; 520-a turntable; 521-a rotating shaft; 530-rotating paddle; 540-a first scaffold; 550-a second scaffold; 551-fixing rod; 552-strut; 560-turning block; 561-a chute; 562-a connecting rod; 563-Screed.

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.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, 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 obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting.

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

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The novel ceramic membrane water purification device according to the embodiments 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 purifier including a water inlet pipe 100, a water purifying assembly 300, a water outlet pipe 400, and a cleaning assembly 500.

The water inlet pipeline 100 is communicated with one side of the water purification assembly 300, the water outlet pipeline 400 is communicated with the other side of the water purification assembly 300, the cleaning assembly 500 is installed on the water purification assembly 300, and magazines in raw water to be treated are filtered through the water purification assembly 300, so that the water purification process is simplified, and the water purification cost is reduced.

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

Specifically, the 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 according to the water quality requirement of drinking water to be mixed with the water, and the frequency of the water inlet regulating valve 120 and the feed pump is adjusted to control the water yield and the membrane inlet pressure.

Wherein, the pump head of the feeding 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 purification assembly 300 includes a housing 310 and a membrane element 320, the housing 310 is disposed outside 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 production 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 production 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 the structural feature thereof is that the honeycomb ceramic is alternatively plugged, that is, one end face of each of the first membrane channel 321 and the second membrane channel 322 which are adjacent to each other is plugged, the other end face of each of the first membrane channel 321 and the second membrane channel 322 is plugged, and the interlayer between the first membrane channel 321 and the second membrane channel 322 is the membrane layer 323. The ceramic membrane is a symmetrical membrane with an average pore diameter of 0.1-3 μm and a thickness of 0.1-1mm, and is made of ceramic or ceramic composite material with an average particle diameter of 0.5-10 μm.

Specifically, raw water rich in sodium hypochlorite enters the inside of the housing 310, and because 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 colloids, microorganisms and particles in the water are intercepted through the separation effect of the membrane layer 323, and the filtered water enters the second membrane channel 322 and is discharged through the water production end 325.

The pressure of the membrane element 320 after the raw water is pressurized by the feed pump 110 is 0.5-5bar, 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 sodium hypochlorite addition amount is determined by referring to related files and the actual transportation distance of a pipe network, the 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 easy to form on the membrane surface of the membrane layer 323, so the effective working time of the membrane layer 323 can be greatly prolonged, and the filtering effect is improved.

Referring to fig. 1, a back flushing member 420 is installed in the water outlet pipe 400, and a water generating pneumatic valve 430 and a water generating adjusting valve 450 are installed at the other end of the water outlet pipe 400.

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

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

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

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

The raw water to be treated enters the water inlet pipeline 100 after the pressure of the raw water is increased by the feeding pump 110, sodium hypochlorite is added into the water inlet pipeline 100 through the chlorine adding port 140 according to the water quality requirement of drinking water to be mixed with the water, the water inlet regulating valve 120 and the water inlet pneumatic valve 130 are regulated to control the water yield and the membrane inlet pressure, the raw water rich in the sodium hypochlorite enters the shell 310, enters the first membrane channel 321 through the water inlet end 324 of the membrane element 320, impurities such as colloid, microorganism and particulate matters in the water are intercepted through the separation effect of the membrane layer 323, the filtered water enters the second membrane channel 322 and is discharged from the water production end 325, the purified water enters the water outlet pipeline 400, enters the tap water pipe network after passing through the backwashing piece 420, the water production pneumatic valve 430 and the water production regulating valve 450 regulate the water yield and the water pressure, when the pollutants are enriched to a certain amount on the filtering surface of the membrane layer 323, the pressure difference between the front membrane and the rear membrane is increased, the membrane filtration flux is reduced, and closing the produced water, starting the backflushing piece 420, backflushing the membrane surface, simultaneously cleaning the shell 310 and the membrane element 320 by the cleaning assembly 500, prolonging the service life and filtering effect of the membrane element 320, after the backflushing is finished, the system starts to produce water again, and after the gas in the system is completely discharged, the system returns to normal operation.

Compared with the traditional drinking water treatment process in the figure 10, the process has the advantages that no agent is added at the front end, no secondary pollution is introduced, the process is simple, the quality of produced water is stable, the quality of the produced water is not influenced along with the fluctuation of the water quality of a 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 the figure 11, the process is simple, the pollution resistance of the membrane is strong, the unit membrane area flux is 5-10 times of that of the organic membrane, the equipment operation energy consumption is lower, and the overall process investment is smaller.

According to the novel ceramic membrane purifier of this application embodiment, please refer to fig. 1, feed pump 110 is equipped with pending raw water import 111, and inlet channel 100 is close to shell 310 one end and is equipped with into water pressure gauge 150, detects water pressure through into water pressure gauge 150, conveniently adjusts into water governing valve 120 and feed pump frequency conversion control water yield and water pressure size.

Referring to fig. 3, the membrane element 320 is located at a middle position inside the housing 310, a water inlet cavity 311 is disposed at one side of the membrane element 320 inside the housing 310, and a water outlet cavity 312 is disposed at the other side of the membrane element 320 according to the novel ceramic membrane water purifying apparatus of the embodiment of the present application.

Referring to fig. 3, 6 and 7, a drain pipe 313 is communicated with the bottom side of the housing 310, a water baffle 314 is disposed inside the housing 310, the drain pipe 313 facilitates timely discharging impurities in the housing 310, and the water baffle 314 is welded and fixed to the housing 310.

Referring to fig. 6 and 7, the outer surface of the membrane element 320 is provided with a water bar 330, the water bar 330 is movably clamped to the water baffle 314, and specifically, the water bar 330 is made of rubber, and blocks water flow through the water baffle 314 and the water bar 330, and guides the water flow into the 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 at the other side of the water production regulating valve 450, and the water pressure and flow at the water production end 325 are detected by the water production pressure gauge 410 and the water production flow meter 440.

The following scheme is provided for the situation that impurities are easy to adhere to the surface of a ceramic membrane and membrane pollution occurs.

Referring to fig. 1, the backflushing unit 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 on one side of the housing 310, the water inlet pressure gauge 150 is located between the backflushing water storage tank 421 and the housing 310, the water generating pneumatic valve 430 is located on 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 disposed between a backflushing water storage tank 421 and a gas storage tank 423, and an adjusting valve 424 is disposed between the gas storage tank 423 and an air compressor 425.

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

It should be noted that the volume of the backwash water storage tank 421 is determined according to the membrane area, 1-5L of backwash water is needed 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, the intermittent backwash of the filtrate is automatically adopted, the filter cake layer attached to the membrane surface of the membrane layer 323 falls off and is discharged out of the membrane element 320, so that the membrane pollution is effectively prevented, and the long-term stable operation of the system is ensured.

The following scheme is provided for solving the problems that some impurities on the surface of the ceramic membrane are difficult to remove and the service life is shortened.

Referring to fig. 3, 4, 5, 8 and 9, the cleaning assembly 500 includes a connecting rod 510 and a rotating disc 520, a section of the connecting rod 510 is provided with a cleaning brush 511, the cleaning brush 511 is designed as a spiral, the cleaning brush 511 is slidably connected to the first membrane channel 321, and the other end of the connecting rod 510 is slidably connected to the rotating disc 520.

According to the embodiment of the present application, please refer to fig. 3, 4, 5, 8, and 9, the turntable 520 is disposed in an inclined manner, the bottom side of the cleaning brush 511 is disposed in an inclined manner and is attached to the surface of the turntable 520, the other side of the turntable 520 is fixedly connected with the rotating shaft 521, the rotating shaft 521 and the turntable 520 are integrally designed, the cleaning brush 511 is spirally wound on the connecting rod 510, the cleaning brush 511 brushes the first membrane channel 321, the rotating shaft 521 drives the turntable 520 to rotate, and the cleaning brush 511 is also rotated along with the cleaning brush 511 when the turntable 520 rotates to spirally convey and discharge impurities.

Specifically, the turntable 520 facilitates pushing the cleaning brush 511 to move up and down in the first membrane channel 321, so as to clean the surface of the ceramic membrane, and the turntable 520 is driven by the rotating shaft 521 to rotate in the housing 310.

Referring to fig. 3, 4, 5, 8 and 9, the rotating shaft 521 is fixedly connected with a rotating paddle 530, the 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 connected with the rotating shaft 521 through a key, and the first bracket 540 and the second bracket 550 are fixed on the housing 310 through bolts.

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

Referring to fig. 3, 4, 5, 8 and 9, the rotating paddle 530 is located between the first bracket 540 and the second bracket 550, and the first bracket 540 is located between the rotating disc 520 and the rotating paddle 530.

Referring to fig. 3, 4, 5, 8 and 9, a fixing rod 551 is fixedly connected to one side of the second bracket 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 welded and fixed to the second bracket 550, and the supporting rod 552 is welded and fixed to the fixing rod 551.

According to the novel ceramic membrane purifier of this application embodiment, please refer to fig. 3, 4, 5, 8, 9, pivot 521 other end fixedly connected with turning block 560, turning block 560 has seted up spout 561, branch 552 sliding connection is in spout 561, turning block 560 fixedly connected with connecting rod 562, connecting rod 562 other end fixedly connected with scraper 563, scraper 563 contacts in shell 310 internal surface, turning block 560 bolt fastening is in pivot 521, connecting rod 562 welded fastening is in turning block 560, scraper 563 bolt fastening is in connecting rod 562.

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 in a wavy design, and the sliding groove 561 is in a wavy design around the rotating block 560 and pushes the rotating block 560 to move up and down to drive the rotating shaft 521 and the rotating disc 520 to move up and down, so that the rotating disc 520 rotates and moves up and down.

The working principle of the novel ceramic membrane water purifier is as follows: firstly, checking that all valves of the system are in a closed state, opening the water inlet regulating valve 120, the water inlet pneumatic valve 130, the water production pneumatic valve 430 and the water production regulating valve 450, lifting the pressure of raw water by the feed pump 110, then feeding the raw water into a pipeline, adding sodium hypochlorite into the pipeline through the chlorine adding port 140, mixing the sodium hypochlorite with water, then feeding the raw water into the shell 310, feeding the raw water rich in the sodium hypochlorite into the membrane element 320, separating by a ceramic membrane, intercepting colloid, microorganism, particulate matters and other impurities in the water, feeding the purified water into the backwashing water storage tank 421, filling the backwashing water storage tank 421, then feeding the water into a tap water network, adjusting the water yield and the membrane inlet pressure of the system, referring to the water yield designed by the system, displaying by the water production pressure gauge 410, controlling the pressure by the water inlet pressure gauge 150 to be 0.5-5bar, starting the air compressor 425, adjusting the pressure to be 4-8bar, opening the regulating valve 424, storing the air source required by backwashing in the air storage tank 423, the pressure of the gas storage tank 423 is 4-8bar, the size is 1-3 times of that of the backwashing water storage tank 421, when the pollutant is enriched to a certain amount on the filtering surface of the ceramic membrane, the membrane surface is polluted, the operation frequency of the feeding pump is increased to improve the water inlet pressure, the reading of the water inlet pressure gauge 150 is increased, so that the reading of the water production pressure gauge 410 is kept unchanged, when the reading of the water inlet pressure gauge is increased to 1-2bar, the water production pneumatic valve 430 is closed, the water production valve 130 is closed, the backwashing pneumatic valve 422 is opened, the backwashing pneumatic valve 426 is opened, the membrane surface is backwashed, the rotating paddle 530 is driven to rotate by water flow, the rotating disc 520 is driven to rotate by the rotating shaft 521, the rotating block 560 is driven to rotate by the rotating shaft 521, the supporting rod 552 slides in the sliding groove 561, the rotating block 560 is driven to move up and down by the sliding of the sliding groove 561, the rotating block 560 is driven to move up and down, the rotating shaft 521 and the rotating disc 520 are driven to move up and down, make carousel 520 carry out elevating movement in the pivoted, scrub first membrane passageway 321 through cleaning brush 511, simultaneously because the slope of cleaning brush 511 bottom sets up, laminate mutually with carousel 520, make the carousel 520 rotate the time cleaning brush 511 also take place to rotate along with it, discharge impurity auger delivery, the backwash water is discharged by backwash water discharge port 427, wash the back, close backwash water pneumatic valve 426 and recoil pneumatic valve 422 after accomplishing, open and produce water pneumatic valve 430, the system begins to produce water, treat that the gas in the system discharges totally, each parameter of system resumes normally.

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

The power supply and the principle of the supply pump 110 and the air compressor 425 will be clear to the skilled person and will not be described in detail here.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the 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 conceive of the changes or substitutions within the technical scope of the present application, and shall 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 (10)

1. A novel ceramic membrane water purifier is characterized by comprising

The chlorine adding device comprises a water inlet pipeline (100), wherein one end of the water inlet pipeline (100) is communicated with a feeding pump (110), the water inlet pipeline (100) is provided with a chlorine adding port (140), and a water inlet regulating valve (120) and a water inlet pneumatic valve (130) are arranged between the feeding pump (110) and the chlorine adding port (140);

the water purification assembly (300) comprises an outer shell (310) and a membrane element (320), wherein the outer shell (310) is arranged on the 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 production 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 production 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 back flushing piece (420), and the other end of the water outlet pipeline (400) is provided with a water production pneumatic valve (430) and a water production regulating valve (450);

a cleaning assembly (500), the cleaning assembly (500) mounted within the housing (310).

2. A novel ceramic membrane water purifier as claimed in claim 1, wherein the feed pump (110) is provided with a raw water inlet (111) to be treated, and the water inlet pipe (100) is provided with a water inlet pressure gauge (150) near one end of the housing (310).

3. A novel ceramic membrane water purifier as claimed in claim 1, wherein the membrane element (320) is located at a middle position inside the housing (310), a water inlet cavity (311) is formed inside the housing (310) at one side of the membrane element (320), and a water outlet cavity (312) is formed at the other side of the membrane element (320).

4. A novel ceramic membrane water purifier as claimed in claim 1, wherein the bottom side of the housing (310) is connected to a sewage drain (313), and a water baffle (314) is disposed inside the housing (310).

5. The novel ceramic membrane water purification device of claim 4, wherein the outer surface of the membrane element (320) is provided with a water bar (330), and the water bar (330) is movably clamped with the water baffle (314).

6. A novel ceramic membrane water purifier as claimed in claim 1, wherein the water outlet pipeline (400) is provided with a water production pressure gauge (410) near the housing (310), a water production flow meter (440) is provided between the water production pneumatic valve (430) and the water production regulating valve (450), and the other side of the water production regulating valve (450) is provided with a water production outlet (451).

7. The novel ceramic membrane water purification device of claim 2, wherein the back flushing member (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 housing (310), the water inlet pressure gauge (150) is located between the back flushing water storage tank (421) and the housing (310), the water generating 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 as claimed in claim 7, wherein a backflushing pneumatic valve (422) is arranged between the backflushing water storage tank (421) and the gas storage tank (423), and a regulating valve (424) is arranged between the gas storage tank (423) and the air compressor (425).

9. The ceramic membrane water purifier as claimed in claim 8, wherein a backwash water pneumatic valve (426) is disposed between the chlorine inlet (140) and the water inlet pressure gauge (150), and a backwash water discharge port (427) is disposed on the other side of the backwash water pneumatic valve (426).

10. A novel ceramic membrane water purification device as claimed in claim 1, wherein the cleaning assembly (500) comprises a connecting rod (510) and a rotating disc (520), a section of the connecting rod (510) is provided with a cleaning brush (511), the cleaning brush (511) is of a spiral design, the cleaning brush (511) is slidably connected to the first membrane channel (321), and the other end of the connecting rod (510) is slidably connected to the rotating disc (520).

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