CN215822426U - Combined filter element and water treatment device - Google Patents

Abstract

The utility model discloses a combined filter element and a water treatment device, wherein the combined filter element comprises a filter element body and a central pipe (61), the outer surface of the filter element body is provided with a filter screen (78) with a plurality of filter holes, and the filter element body comprises 2 combined filter element units; the combined filter element unit is provided with a central hole, and the central tube is inserted into the central hole so as to fixedly connect the central tube and the filter element body into a whole; the central pipe is provided with a water inlet (77) which is positioned inside the combined filter element unit. The combined filter element has a compact structure and a large contact area for filtering.

Description

Combined filter element and water treatment device

Technical Field

The utility model relates to a combined filter element and a water treatment device.

Background

The core component of intelligence water treatment facilities is filter core mechanism, and intelligence water treatment facilities's working process is, need add water treatment medicament, such as decolorant and flocculating agent etc. in pending aquatic before filtering, after producing the flocculation in the container, the rethread filter core is got rid of the floccule outside the filter core, and the water in the filter core is the water of handling.

The existing filter element is a cylindrical filter element, and the filter element mainly has the following problems:

(1) the longitudinal section is of a square frame structure, the structure is easy to deform, and the structure is easy to damage after repeated circulating motion;

(2) when the filter element goes up and down, the upper section of the filter element is not frequently used and can be regarded as an invalid part, and the filter element acts on the lower section, so that the real effective filtering area is not large, and the filtering efficiency is influenced.

Therefore, it is necessary to design a combined filter element and water treatment device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a combined filter element and a water treatment device, wherein the combined filter element and the water treatment device have large effective filtering area and good filtering effect.

The technical solution of the utility model is as follows:

the utility model provides a combined filter core, includes filter core body and center tube (61), and filter core body's surface is for having filter screen (78) of a plurality of filtration pores, and filter core body comprises a plurality of arbitrary filter core units in following filter core unit and forms: the disc-shaped filter element, the wheel-shaped filter element, the table-shaped filter element, the conical filter element unit, the star-shaped filter element and the special-shaped filter element unit are covered; the filter element unit is provided with a central hole, and the central tube is inserted into the central hole so as to fixedly connect the central tube and the filter element body into a whole; the central pipe is provided with a water inlet (77) which is positioned inside the combined filter element unit; the covered dish-shaped filter element is formed by buckling 2 dish-shaped components; the special-shaped filter element unit is a spherical filter element unit, a hemispherical filter element unit, an ellipsoidal filter element unit or a semi-ellipsoidal filter element unit.

Preferably, the bottom of the combined filter element unit is provided with a central hole; the lower end of the central tube is inserted into the central holes at the top and the bottom of the combined filter element unit, the bottom of the filter element body is provided with a central hole which is sealed relative to the outside of the filter element body, or the bottom of the filter element body is provided with a central hole on which a layer of filter screen is arranged.

The bottom of the combined filter element unit is provided with a central hole; the lower end of the central tube is inserted into the central holes at the top and the bottom of the combined filter element unit, the bottom of the filter element body is provided with a central hole which is sealed relative to the outside of the filter element body, or the bottom of the filter element body is provided with a central hole on which a layer of filter screen is arranged.

The cartridge body also includes a cartridge frame (220) lining the filter screen.

The filter element frame is formed by connecting a plurality of support rings (222) in concentric circles and a plurality of support spokes (223) radiating outwards or integrally forming.

The upper end of the central tube is fixed on the lifting platform.

The upper end of the central tube is fixed on the rotary lifting platform.

The filter element body comprises N combined filter element units; the N combined filter element units are connected in series on the central tube; n is an integer of 2-5; the central pipe is provided with N water inlet holes which are respectively arranged in the N combined filter element units.

A water treatment device comprises a container, a filter element lifting driving mechanism and a filter element self-cleaning mechanism;

the filter element lifting driving mechanism is used for driving the filter element to move up and down relative to the container; the filter element is positioned in the container; the filter element self-cleaning mechanism is used for cleaning the outer surface of the filter element;

the water treatment device also comprises a liquid inlet pipe, a liquid discharge mechanism and a waste discharge mechanism;

the liquid inlet pipe is used for adding water to be filtered into the container;

the liquid discharge mechanism is used for discharging water in the filter element;

the waste discharge mechanism is used for discharging waste at the bottom of the container;

the filter element is the combined filter element.

The water treatment device also comprises a control module, and the control module is used for controlling the filter element lifting driving mechanism, the liquid inlet pipe, the liquid discharge mechanism and the waste discharge mechanism.

The filter core rotary driving mechanism is connected with the filter core and controlled by the control module.

Preferably, the control module is an MCU. Such as a PLC, a single chip, a DSP, etc.

A water treatment system comprising a plurality of the aforementioned water treatment devices; a plurality of water treatment devices are cascaded; the cascade refers to the drainage of the previous water treatment device as the inlet water of the next water treatment device.

The periphery of the filter element is provided with a filter screen, the diameter of the mesh on the filter screen is 0.1-2mm, the filter screen is arranged according to specific application occasions and requirements, if the filter effect is good, the filter holes with small diameter can be selected, and if the filter efficiency is high, the filter holes with large diameter can be selected. Or a plurality of water treatment devices are connected in series, and the diameter of the filter hole of the front stage is larger than that of the filter hole of the rear stage. The filter screen can be the wire net, and is preferred, and the filter screen can also adopt etching technique production, and intensity is high. The size of the filter holes is illustrated schematically, and is not intended to represent the actual ratio of filter holes to equipment.

Has the advantages that:

the combined filter element of the utility model has the following characteristics:

(1) compact structure and good stability.

The integral structure is a combined filter element, and is formed by combining units such as a cone, a special-shaped (sphere-like, or hemispherical and the like), a star, a table, a cover and the like. Has an internal frame and good stability. The filter element units are multiple, and various filter element units can be combined and used at will.

(2) One or more filter elements are concentrated at the lower end of the central tube (rotating shaft), and compared with a single filter element and a cylindrical filter element with larger height, the filter element has the advantages of large contact area between the filter screen and liquid and high filtering efficiency.

In summary, the filter element is a single filter element or a plurality of combined filter element units which are connected in series, the effective filtering area is larger compared with a cylindrical filter element, and the filter element is concentrated at the lower end of the rotating shaft, so that the utilization rate is high.

The water treatment medicament adding mechanism has the following characteristics:

(1) the spiral conveying mechanism driven by the motor is used for adding the medicinal powder, and the adding amount can be adjusted in a rotating speed changing mode and is easy to control.

(2) The water adding amount can be controlled by a valve and automatically controlled by a control module (the specific control method is the existing control method in time);

(3) the tank may be fixed in various modes.

(4) The internal rabbling mechanism that is equipped with of jar can realize the intensive mixing of solution.

(5) The solution entering the container can be controlled by a valve.

In a word, the water treatment medicament adding mechanism has a compact structure and complete functions, and can realize quantitative solution adding.

In addition, the water treatment device has the following characteristics:

1. the water treatment device (water treatment unit) has compact and integrated structure; the occupied space is small; flexible configuration is facilitated;

2. automatic operation; the device can be unattended; remote monitoring;

the equipment can automatically run under the control of the controller, unattended operation can be realized, remote control can be realized after the controller is connected with a communication module, and on-site data can be transmitted to a remote server or a data terminal (such as a smart phone) to realize remote monitoring; therefore, the degree of automation is high, and the degree of digitization is high;

the control can also be realized by adopting a simulated relay control system, and the specific control is the existing mature technology.

3. The modular concept is adopted, and the modular operation is realized;

can be flexibly connected in parallel or cascaded; the module type operation is convenient for later maintenance;

4. the water treatment device (water treatment unit) has a self-cleaning function;

the whole process and structure are ingenious in design concept; the processing capacity is strong.

5. Ultraviolet sterilization and ozone sterilization can be further added at the water outlet pipe;

the utility model can treat sewage, can also be used for purifying water in water plants, and has wide application;

the mesh number of the filter element can be set according to the requirement, and the larger the mesh number is, the more fine filtration can be realized.

In addition, different water treatment apparatuses perform different treatments with different chemicals put into water.

The liquid level sensor for detecting the liquid level in the container can be a magnetic sensor (hall sensor) or an optical sensor (such as an infrared correlation tube).

The water treatment device of the utility model has the core characteristics that: automatic lifting (lifting action, cleaning filter element and circulating action), self-cleaning, wastewater purification by filtration and circulating action.

In conclusion, the water treatment device has high automation degree, can realize the refined treatment of the wastewater or the water to be purified, is easy to implement, has compact structure, is convenient to flexibly move and combine, is a great improvement on the existing water treatment equipment, and has great social benefit and economic benefit.

Drawings

FIG. 1 is a schematic view (front view) of a single spherical cartridge frame;

FIG. 2 is a schematic (front view) of a screen of a single spherical filter cartridge;

FIG. 3 is a schematic view (top view) of a single spherical cartridge frame;

FIG. 4 is a schematic (top view) of a screen of a single spherical filter cartridge;

FIG. 5 is a schematic view of the cascade of 3 water treatment devices (when the filter element is at the lowest end, the filter element is composed of a round platform-shaped filter element unit and a wheel-shaped filter element unit);

FIG. 6 is a schematic diagram of a cascade of water treatment devices (with the filter element at the lowermost end);

FIG. 7 is an external schematic view of a cascade of 3 water treatment devices (with the filter elements at the lowermost end);

FIG. 8 is a schematic perspective view of a cascade of 3 water treatment devices (with the filter elements at the lowermost end);

FIG. 9 is a schematic diagram showing the external structure of a cascade of 3 water treatment devices (when the filter element is at the uppermost end, the filter element is composed of a truncated cone-shaped filter element unit and a wheel-shaped filter element unit);

FIG. 10 is a schematic view showing a cascade structure of the water treatment apparatus (when the filter element is at the uppermost end, the filter element is composed of a truncated cone-shaped filter element unit and a wheel-shaped filter element unit);

fig. 11 is a schematic view showing the structure of 3 groups of filter elements connected with a cross beam through a vertical rod (the filter element is composed of a star-shaped filter element unit and a conical filter element unit).

FIG. 12 is a sectional view of a water treatment chemical adding mechanism;

FIG. 13 is a schematic mechanism view of a water treatment chemical adding mechanism;

FIG. 14 is a block diagram of a relay control system;

FIG. 15 is a relay control flow diagram;

FIG. 16 is a control system block diagram;

FIG. 17 is a schematic structural view (perspective view) of a notched plugged annular inlet pipe;

FIG. 18 is a schematic view of the structure of a notched plugged annular inlet pipe (front view);

FIG. 19 is a schematic structural view (front view) of an annular tube without gaps and plugs;

FIG. 20 is a schematic view of a single medicated module;

FIG. 21 is a schematic view of a 3 medicated module assembly;

FIG. 22 is a schematic diagram of a drug solution tank supplying 3 water treatment devices;

FIG. 23 is a schematic view of the dosing module in cooperation with a water treatment device;

FIG. 24 is a schematic view (front view) of an ellipsoidal cartridge frame;

FIG. 25 is a schematic (front view) of a screen of an ellipsoidal filter element;

FIG. 26 is a schematic view (front view) of a hemispherical cartridge (sphere down) frame;

FIG. 27 is a schematic view (front view) of a hemispherical filter cartridge (sphere down) screen;

FIG. 28 is a schematic view (front view) of a hemispherical cartridge (sphere up) frame;

FIG. 29 is a schematic view (front view) of a hemispherical filter cartridge (sphere up) screen;

FIG. 30 is a schematic view of a configuration in which 2 hemispherical filter elements (sphere down) are combined into 1 filter element;

FIG. 31 is a schematic structural diagram of 1 filter element assembled by 2 hemispherical filter elements (sphere up);

FIG. 32 is a schematic view of a configuration in which 2 spherical filter elements are combined to form 1 filter element;

FIG. 33 is a schematic diagram of a configuration in which 2 semi-ellipsoidal filter elements (ellipsoidal facing down) are combined into 1 filter element;

FIG. 34 is a schematic diagram of a configuration in which 2 semi-ellipsoidal filter elements (ellipsoidal facing upward) are combined into 1 filter element;

FIG. 35 is a schematic structural diagram of 1 filter element composed of 2 ellipsoidal filter element units;

FIG. 36 is a schematic view of a cartridge comprised of a star-shaped cartridge unit and a hemispherical cartridge unit;

fig. 37 is a schematic view of a filter cartridge comprised of a wheel cartridge unit, a ball cartridge unit and an hourglass cartridge unit;

fig. 38 is a schematic view of a filter cartridge comprised of a wheel-shaped cartridge unit and an hourglass-shaped cartridge unit;

FIG. 39 is a schematic view of a dual cartridge frame;

FIG. 40 is a schematic view of a screen of a single cartridge;

FIG. 41 is a schematic view (front view) of a single cartridge frame;

fig. 42 is a schematic view (top view) of a single cartridge frame;

fig. 43 is a schematic side plan view of a single wheel cartridge frame (front view);

FIG. 44 is a schematic (front view) of a screen of a single wheel cartridge with a flat side;

FIG. 45 is a schematic view (front view) of a single wheel cartridge frame with curved sides;

FIG. 46 is a schematic (front view) of a screen of a single wheel cartridge with a cambered side;

FIG. 47 is a schematic view (top view) of a single wheel cartridge frame;

FIG. 48 is a schematic view (top view) of a single wheel cartridge screen;

FIG. 49 is a schematic view (front view) of a single table cartridge frame;

FIG. 50 is a schematic (front view) of a screen of a single table cartridge;

FIG. 51 is a schematic view (top view) of a single, truncated cone-shaped cartridge frame;

FIG. 52 is a schematic view (top view) of a single cone-type filter cartridge (with screen);

FIG. 53 is a schematic view (top view) of a single square-table cartridge frame;

FIG. 54 is a schematic view (top view) of a single round frustum filter cartridge (with screen);

FIG. 55 is a schematic view (front view) of a single conical cartridge frame;

FIG. 56 is a schematic (front view) of a screen of a single conical filter cartridge;

FIG. 57 is a schematic view (top view) of a single conical cartridge frame;

FIG. 58 is a schematic (top view) of a single conical cartridge configuration (with screen);

fig. 59 is a schematic view of 2 conical filter elements forming an hourglass-type filter element;

FIG. 60 is a schematic view (top view) of a single right hexagonal star shaped cartridge unit frame;

FIG. 61 is a schematic (top view) of a screen of a single right hexagonal star shaped cartridge unit;

FIG. 62 is a schematic view (front view) of a single right hexagonal star shaped cartridge unit frame;

FIG. 63 is a schematic (front view) of a screen of a single right hexagonal star shaped cartridge unit;

fig. 64 is a schematic view (top view) of a tetragonal star filter element unit frame;

FIG. 65 is a schematic (top) view of a filter screen of a star filter element having 4 radial lobes with rounded chamfers (curved transition surfaces) between adjacent lobes;

FIG. 66 is a schematic (top view) of a screen of a star filter element unit having 6 radial lobes with rounded chamfers between adjacent lobes;

fig. 67 is a schematic (top) view of a filter screen of a star filter element unit with 4 radial lobes and straight chamfers (obtuse angle transitions) between adjacent lobes.

Description of reference numerals: 2-a liquid pump, 5-a liquid inlet pipe, 7-a filter element and 8-a container;

12-a discharge pipe, 13-a motor, 14-a first gear, 15-a second gear, 16-a bearing and 17-an electric control lifting driving mechanism. 18-a lifting platform; 19-bracket, 20-beam, 21-sedimentation tank;

77-water inlet hole, 78-filter screen;

51-pipe body, 52-water outlet hole; 53-water inlet end of the tube body, 54-outer end of the tube body;

61-a central tube; 62-connecting rod, 63-drop rod. 207-water pumping pipe; 208-a discharge motor; 220-filter element frame, 221-center hole, 222-support ring, 223-support spoke and 224-dosing pipe.

230-support plate, 231-stirring motor, 232-spiral feeding mechanism, 233-storage bin, 234-spiral feeding driving motor, 235-tank body, 236-hoop, 237-stirring shaft, 238-stirring impeller, 239-base, 240-water treatment agent solution control valve, 241-container wall, 242-water adding pipe, 243-water adding valve, 244-discharge port and 245-solution output pipe.

251-liquid adding pipe, 252-liquid medicine pump, 253-support plate, 254-liquid adding main pipe, 255-liquid adding branch pipe, 256-liquid medicine barrel, 257-stirring shaft, 258-stirring blade, 259-drain pipe and 260-liquid pump support seat.

Detailed Description

The utility model will be described in further detail below with reference to the following figures and specific examples:

example 1:

referring to fig. 12 to 13, a water treatment chemical adding mechanism includes a tank 235, a bin 233, a screw feeding mechanism 232, and a screw feeding driving motor 234;

the feed bin is used for storing water treatment medicament powder, the feed bin is fixed at the top of the tank body, the spiral feeding mechanism is arranged in the feed bin, and the spiral feeding driving motor is used for driving the spiral feeding mechanism;

the feed bin is also provided with a water feeding pipe 242, and the middle part or the bottom of the feed bin is provided with a solution output pipe 245; the solution output pipe is provided with a water treatment agent solution control valve 240.

The tank body is bowl-shaped or cylindrical, and can also be in other properties such as gourd-shaped and the like.

The tank body is fixed on the container wall through the hoop 236, the side part of the container wall is provided with a base 239, the tank body is fixed on the base, the base is provided with a depressed part, and the tank body is inserted in the depressed part.

A water adding valve 243 is arranged on the water adding pipe.

The water treatment agent adding mechanism also comprises a sensor and a control module, and the sensor is connected with the control module;

the sensor is a flowmeter arranged on the water feeding pipe, or a liquid level sensor arranged in the tank body, or a pressure sensor arranged at the bottom of the tank body and used for detecting hydraulic pressure, and the sensor can also be configured by three sensors.

A support plate 230 is arranged at the top of the tank body, a stirring mechanism for stirring the solution is arranged on the support plate, and the stirring mechanism comprises a stirring motor 231, a stirring shaft 237 and a stirring impeller 238; the stirring motor is fixed on the support plate, and a motor shaft of the stirring motor faces downwards; the stirring shaft and the stirring impeller extend into the tank body; the upper end of the stirring shaft is connected with a motor shaft, and the stirring impeller is fixed at the lower end of the stirring shaft.

The stirring shaft is arranged in the vertical direction.

The water treatment agent adding mechanism further comprises a control module, the spiral feeding driving motor and the water treatment agent solution control valve are controlled by the control module, and the control module is a single chip microcomputer or a DSP. In addition, the sensor, the stirring motor and the like are connected with the control module.

The control module is also connected with a communication module. The communication module is used for transmitting data to a remote monitoring center or a local upper computer.

Another water treatment solution adding mechanism

One, single dosing module

Referring to fig. 20 and 23, a water treatment solution adding device comprises a dosing module, wherein the dosing module comprises a liquid medicine barrel 256, a liquid adding pipe, a liquid medicine adding pipe 251 and a liquid medicine pump 255; the liquid medicine barrel is used for storing water treatment solution, and the water treatment solution is solution of water treatment agent powder dissolved in water or solution of water treatment agent solution after further dilution; the liquid feeding pipe is fixed on the liquid medicine barrel or a fixed object outside the liquid medicine barrel, and is particularly fixed on the liquid pump supporting seat 260 and used for feeding dilution water or liquid medicine into the liquid medicine barrel; a water valve is arranged on the liquid feeding pipe; the liquid medicine adding pipe conveys liquid medicine in the liquid medicine barrel to a water treatment container, and the water treatment container is a container of a water treatment device for performing water treatment based on a filter element; the liquid adding pipe is provided with a liquid medicine pump. A sensor for detecting the amount of liquid in the liquid medicine barrel is arranged in the liquid medicine barrel; the sensor is a pressure sensor or a liquid level sensor. The liquid pipe comprises a liquid feeding main pipe 254 and a liquid feeding branch pipe 255; the main liquid adding pipe is communicated with the branch liquid adding pipe. The water valve is arranged on the main liquid adding pipe or the branch liquid adding pipe. An electrically driven stirring mechanism is arranged in the liquid medicine barrel. The water treatment agent is bulk powder or medicine bag added into the liquid medicine barrel, and the liquid added into the liquid adding pipe is tap water for diluting the water treatment agent. The medicine package can be a medicine package filled with water treatment agent powder or a liquid medicine package. The medicine bag is filled with solid powder, and the packaging bag of the medicine bag is made of a material which can be dissolved immediately when meeting water. The medicine package is circularly put in by adopting a machine, and the machine is the prior art.

A water treatment device comprises a container, a filter element lifting driving mechanism and a filter element self-cleaning mechanism;

the filter element lifting driving mechanism is used for driving the filter element to move up and down relative to the container; the filter element is positioned in the container; the filter element self-cleaning mechanism is used for cleaning the outer surface of the filter element;

the water treatment device also comprises a liquid inlet pipe, a liquid discharge mechanism and a waste discharge mechanism;

the liquid inlet pipe is used for adding water to be filtered into the container;

the liquid discharge mechanism is used for discharging water in the filter element;

the waste discharge mechanism is used for discharging waste at the bottom of the container;

the water treatment device also comprises a water treatment solution adding device, and the water treatment solution adding device is the water treatment solution adding device.

Two, 3 medicine-feeding branches, shared medicine liquid barrel

Referring to fig. 22-23, a water treatment solution adding device comprises a dosing module, which comprises a liquid medicine barrel 256, a liquid adding pipe, a liquid medicine adding pipe 251 and a liquid medicine pump 255; the liquid medicine barrel is used for storing water treatment solution, and the water treatment solution is solution of water treatment agent powder dissolved in water or solution of water treatment agent solution after further dilution; the liquid feeding pipe is fixed on the liquid medicine barrel or a fixed object outside the liquid medicine barrel, and is particularly fixed on the liquid pump supporting seat 260 and used for feeding dilution water or liquid medicine into the liquid medicine barrel; a water valve is arranged on the liquid feeding pipe; the liquid medicine adding pipe conveys liquid medicine in the liquid medicine barrel to a water treatment container, and the water treatment container is a container of a water treatment device for performing water treatment based on a filter element; the liquid adding pipe is provided with a liquid medicine pump. A sensor for detecting the amount of liquid in the liquid medicine barrel is arranged in the liquid medicine barrel; the sensor is a pressure sensor or a liquid level sensor. The liquid pipe comprises a liquid feeding main pipe 254 and a liquid feeding branch pipe 255; the main liquid adding pipe is communicated with the branch liquid adding pipe. The water valve is arranged on the main liquid adding pipe or the branch liquid adding pipe. An electrically driven stirring mechanism is arranged in the liquid medicine barrel. The water treatment agent is bulk powder or medicine bag added into the liquid medicine barrel, and the liquid added into the liquid adding pipe is tap water for diluting the water treatment agent. The medicine package can be a medicine package filled with water treatment agent powder or a liquid medicine package. The medicine bag is filled with solid powder, and the packaging bag of the medicine bag is made of a material which can be dissolved immediately when meeting water. The medicine package is circularly put in by adopting a machine, and the machine is the prior art.

The medicine module includes that 3 add liquid pipe and 3 liquid medicine pumps, is equipped with a liquid medicine pump on each adds the liquid pipe. This case is particularly suitable for the case where 3 water treatment apparatuses share one chemical agent. The liquid feeding pipe comprises a main liquid feeding pipe 254 and a branch liquid feeding pipe 255; the main liquid adding pipe is communicated with the branch liquid adding pipe;

a water treatment system, a plurality of water treatment devices are cascaded;

the water treatment device comprises a container, a filter element lifting driving mechanism and a filter element self-cleaning mechanism;

the filter element lifting driving mechanism is used for driving the filter element to move up and down relative to the container; the filter element is positioned in the container; the filter element self-cleaning mechanism is used for cleaning the outer surface of the filter element; the water treatment device also comprises a liquid inlet pipe, a liquid discharge mechanism and a waste discharge mechanism; the liquid inlet pipe is used for adding water to be filtered into the container;

the liquid discharge mechanism is used for discharging water in the filter element;

the cascade refers to the drainage of the previous water treatment device as the inlet water of the next water treatment device.

The water treatment system also comprises a water treatment solution adding device, and the water treatment solution adding device is the water treatment solution adding device.

Three, 3 independent medicine adding modules

Referring to fig. 21 and 23, a water treatment solution adding device comprises 3 dosing modules, each of which comprises a liquid medicine barrel 256, a liquid adding pipe, a liquid medicine adding pipe 251 and a liquid medicine pump 255; the liquid medicine barrel is used for storing water treatment solution, and the water treatment solution is solution of water treatment agent powder dissolved in water or solution of water treatment agent solution after further dilution; the liquid feeding pipe is fixed on the liquid medicine barrel or a fixed object outside the liquid medicine barrel, and is particularly fixed on the liquid pump supporting seat 260 and used for feeding dilution water or liquid medicine into the liquid medicine barrel; a water valve is arranged on the liquid feeding pipe; the liquid medicine adding pipe conveys liquid medicine in the liquid medicine barrel to a water treatment container, and the water treatment container is a container of a water treatment device for performing water treatment based on a filter element; the liquid adding pipe is provided with a liquid medicine pump. A sensor for detecting the amount of liquid in the liquid medicine barrel is arranged in the liquid medicine barrel; the sensor is a pressure sensor or a liquid level sensor. The liquid pipe comprises a liquid feeding main pipe 254 and a liquid feeding branch pipe 255; the main liquid adding pipe is communicated with the branch liquid adding pipe. The water valve is arranged on the main liquid adding pipe or the branch liquid adding pipe. An electrically driven stirring mechanism is arranged in the liquid medicine barrel. The water treatment agent is bulk powder or medicine bag added into the liquid medicine barrel, and the liquid added into the liquid adding pipe is tap water for diluting the water treatment agent. The medicine package can be a medicine package filled with water treatment agent powder or a liquid medicine package. The medicine bag is filled with solid powder, and the packaging bag of the medicine bag is made of a material which can be dissolved immediately when meeting water. The medicine package is circularly put in by adopting a machine, and the machine is the prior art.

Namely 3 dosing modules for providing liquid medicine for 3 water treatment devices. This case is suitable for the case where 3 water treatment apparatuses use different water treatment agents.

The liquid feeding pipe comprises a main liquid feeding pipe 254 and a branch liquid feeding pipe 255; the main liquid adding pipe is communicated with the branch liquid adding pipe; n water treatment facilities share the liquid feeding main pipe.

A water treatment system, a plurality of water treatment devices are cascaded;

the water treatment device comprises a container, a filter element lifting driving mechanism and a filter element self-cleaning mechanism;

the filter element lifting driving mechanism is used for driving the filter element to move up and down relative to the container; the filter element is positioned in the container; the filter element self-cleaning mechanism is used for cleaning the outer surface of the filter element; the water treatment device also comprises a liquid inlet pipe, a liquid discharge mechanism and a waste discharge mechanism; the liquid inlet pipe is used for adding water to be filtered into the container;

the liquid discharge mechanism is used for discharging water in the filter element;

the cascade refers to the drainage of the previous water treatment device as the inlet water of the next water treatment device.

The water treatment system also comprises a water treatment solution adding device, and the water treatment solution adding device is the water treatment solution adding device.

The water treatment solution adding device also comprises an MCU, the sensor is connected with the MCU, and the water valve, the liquid medicine pump, the stirring mechanism and the like are controlled by the MCU.

The MCU is also connected with a temperature sensor and a heating mechanism, the temperature sensor is connected with the MCU, and the heating mechanism is controlled by the MCU, because the dissolution of some water treatment is related to the temperature, or the working of some sensors (such as pressure sensors) is related to the temperature.

Preferably, the outlet of the liquid adding pipe is provided with a flow meter connected with the MCU and used for counting the solution entering the water treatment container.

The water treatment solution adding device has the following characteristics:

(1) the liquid medicine barrel and the like are arranged on the ground or on the bracket and do not need to be lifted, which is beneficial to the spatial arrangement of the whole water treatment equipment.

(2) By adopting the mode of the medicine bag and the diluent, the quantitative matching of the medicine powder bag and a barrel of water can be realized, and the concentration control is easy. A liquid medicine concentration detection sensor is arranged in the liquid medicine barrel to monitor the stability of the concentration of the water treatment agent.

(3) A plurality of medicine modules can directly correspond a plurality of water treatment facilities, and the corresponding relation is clear and definite, easily independent control.

(4) The MCU is adopted to control the whole process, and the automation degree is high.

(5) Has a stirring mechanism, and can accelerate the dissolution of the medicinal powder.

In conclusion, the water treatment solution adding device has rich functions and is easy to implement.

Referring to fig. 5-11, a water treatment device comprises a container, a filter element lifting driving mechanism, a filter element self-cleaning mechanism and a water treatment agent adding mechanism;

the filter element lifting driving mechanism is used for driving the filter element to move up and down relative to the container; the filter element is positioned in the container; the filter element self-cleaning mechanism is used for cleaning the outer surface of the filter element;

the water treatment device also comprises a liquid inlet pipe, a liquid discharge mechanism and a waste discharge mechanism;

the liquid inlet pipe is used for adding water to be filtered into the container and washing the outer surface of the filter element when water enters;

the liquid discharge mechanism is used for discharging water in the filter element;

the waste discharge mechanism is used for discharging waste at the bottom of the container;

the water treatment medicament adding mechanism is used for adding medicament into the container;

the water treatment agent adding mechanism is the water treatment agent adding mechanism, and a solution output pipe of the water treatment agent adding mechanism is communicated with an inner cavity of the container.

The water treatment device also comprises a control module, and the control module is used for controlling the filter element lifting driving mechanism, the liquid inlet pipe, the liquid discharging mechanism and the waste discharging mechanism.

The fixing part of the water treatment device is the top of an outer barrel of the water treatment device or the lower end of a suspender, and the suspender is connected with the cross beam.

The water treatment device also comprises a filter element rotary driving mechanism connected with the filter element, and the filter element rotary driving mechanism is controlled by the control module. Preferably, the control module is an MCU. Such as a PLC, a single chip, a DSP, etc.

A water treatment system comprising a plurality of the aforementioned water treatment devices; a plurality of water treatment devices are cascaded; the cascade refers to the drainage of the previous water treatment device as the inlet water of the next water treatment device.

Referring to fig. 36-38, a modular cartridge includes a cartridge body and a central tube 61, the outer surface of the cartridge body is a screen 78 with a plurality of filter openings, the cartridge body is formed by any of the following cartridge units:

the disc-shaped filter element, the wheel-shaped filter element, the table-shaped filter element, the conical filter element unit, the star-shaped filter element and the special-shaped filter element unit are covered;

the filter element unit is provided with a central hole, and the central tube is inserted into the central hole so as to fixedly connect the central tube and the filter element body into a whole;

the central pipe is provided with a water inlet 77 which is positioned inside the combined filter element unit;

the covered dish-shaped filter element is formed by buckling 2 dish-shaped components;

the special-shaped filter element unit is a spherical filter element unit, a hemispherical filter element unit, an ellipsoidal filter element unit or a semi-ellipsoidal filter element unit.

The longitudinal section of the wheel-shaped filter element is rectangular and waist-round. The small end of the table-shaped filter element unit can be upward or downward, and the table-shaped filter element unit is square or circular; the conical head of the conical filter element can face upwards or downwards; the star-shaped filter element unit is a cylindrical filter element unit with N radial branches, and an arc-shaped transition surface or an obtuse-angle transition surface, namely a round chamfer or a straight chamfer, is arranged between every two adjacent radial branches. Can prevent sundries from being blocked in a narrow space.

Spherical filter element see fig. 1-4, fig. 32;

hemispherical cartridge unit see fig. 5, 9-11, 26-29;

the ellipsoidal filter element is shown in fig. 24-25, fig. 35;

see fig. 33-34 for a semi-ellipsoidal cartridge unit.

Preferably, when the combined filter element unit is a hemispherical filter element unit, the spherical surface of the filter element is arranged downwards;

when the combined filter element unit is a semi-ellipsoidal filter element unit, the ellipsoidal surface of the ellipsoidal filter element unit faces downwards.

The cartridge body also includes a cartridge frame 220 that lines the filter screen.

The filter element frame is formed by connecting or integrally forming a plurality of support rings 222 in concentric circles and a plurality of support spokes 223 radiating outwards.

The upper end of the central tube is fixed on the lifting platform.

The upper end of the central tube is fixed on the rotary lifting platform.

In fig. 5, 9 and 10, only the cartridge frame is shown, and the screen on the outside of the frame is not shown, as will be described.

Fig. 11 shows the case where the container is a sink, and fig. 5 to 10 show the case where the container is an outer tub.

Description of the working principle of the water treatment device:

lifting the filter element to the highest position, enabling water to be treated to enter a container (the container is an outer barrel or a water tank) through a water inlet pipe, stopping water inflow after the water in the container reaches a preset liquid level or reaches a preset capacity, putting in liquid medicine to enable the water to be treated to generate floccules, enabling the filter element to descend after the medicament fully reacts, flushing the outer wall of the filter element with water to achieve self-cleaning of the filter element in the descending process, enabling the water in the container to enter the interior of the filter element after being filtered by the filter element after the filter element descends, and pumping out the filtered liquid by a pneumatic liquid pump; the waste material is left in the container or on the outer wall of the filter element; after the water is drained, the filter element rises, in the rising process, the metal pipe enters water to wash the filter element, and the waste material at the bottom of the container is removed by a discharge pump at the bottom of the container. And completing one circulation and entering the next water treatment circulation.

The specific control mode and the time sequence are the prior art.

The working principle of the water treatment system is as follows:

the water treatment devices are connected in series, namely cascaded, and the 'purified water' formed by filtering the previous water treatment device enters the next stage for continuous treatment, so that impurities in the water are filtered more, and the water quality meets the relevant national standards better.

The water treatment method comprises the following steps:

a water treatment method, a filter element is arranged in a container, and the filter element is driven by a lifting mechanism; the method comprises the following steps:

step 1: liquid feeding and medicine adding steps;

the controller starts the electric control lifting driving mechanism to lift the filter element, controls the water inlet valve and starts the dosing mechanism to enable water to be treated and a medicament to enter the container, and the water to be treated is ejected from the water inlet pipe to wash the outer wall of the filter element, so that the self-cleaning of the filter element is realized;

stopping rotation of the filter element after the filter element rises to a preset position (such as an upper limit position);

the discharge pipe is closed in the liquid feeding process, so that the liquid in the container is prevented from flowing out;

for adding chemicals, a purifying chemical (such as a flocculating agent, preferably, a chemical and water are simultaneously added into a container) is added at the same time of water inlet, or the purifying chemical is added after the water is added into the container; or adding medicine first and then feeding water; as long as the medicine and the water can be fully mixed and reacted;

a dosing mechanism provided in the container for dosing the water treatment agent into the container;

the drug is administered by the administration means, and the drug is administered simultaneously when water is added, and the drug is preferably added through a separate tube, and preferably a solution with the drug is administered. Controlling the liquid medicine to enter or stop entering through a valve; or directly into a solid or powder medicament, not shown.

Step 2: a reaction step;

stopping feeding liquid after the liquid in the container reaches a certain set liquid level, and waiting for a preset time to enable the medicament in the solution to fully act;

and step 3: pumping water;

the controller drives the filter element to descend through the electric control lifting driving mechanism, the filter element descends to a preset height to ensure that the lower end of the water outlet pipe contacts the liquid level, the water suction pump is started, and the water which is treated in the filter element is sucked through the water suction pipe;

and 4, step 4: a step of discharging waste materials;

after the water in the filter element is pumped out, the controller opens a discharge valve on a discharge pipe, so that sediment at the bottom in the container is discharged (or sucked out); [ regarding the discharged fertilizer, the waste can be further dehydrated, such as by using a stack screw machine, a plate filter and other equipment ]

After the sediment is discharged, the discharge pipe is closed again;

and (5) ending the step, or returning to the step 1 and starting the water treatment process of the next period.

The filter element is a rotary filter element and is driven by a motor through a transmission mechanism; the controller controls the rotation of the filter element through the motor and the transmission mechanism; when the filter element is lifted, the controller starts the motor to drive the filter element to rotate, and the filter element stops rotating after being lifted to a preset position (such as an upper limit position).

Through the time of setting row's waste material, the guarantee precipitate can fully be discharged, perhaps detects the weight of the precipitate of container bottom through weighing sensor and is less than the default, and the guarantee precipitate can fully be discharged.

The filter element is located at the lowest position, the liquid level is lower than the preset liquid level, or the flow of the water pipe is detected to be lower than the preset value through the flow meter arranged at the water outlet pipe, and the fact that water in the filter element is drained is indicated.

And a relay protection control circuit is adopted to realize circulating water treatment control.

The circulating water treatment control is realized by adopting a control circuit based on the MCU; the MCU is a singlechip, a PLC, an ARM processor or a DSP.

A plurality of lifting filter elements and liquid discharge devices are arranged in one container; and the plurality of lifting filter elements and the liquid discharge device are synchronously controlled.

The controller monitors the liquid level in the container through the liquid level detection module.

The liquid level detection module adopts a liquid level sensor or converts the liquid level into liquid level by adopting other sensors; if a flowmeter at the position of the water inlet pipe is adopted, the liquid level can be converted through the flow and the cross-sectional area of the container, and the liquid level can also be converted through hydraulic data collected by the pressure sensor, because the pressure at the bottom of the liquid is in direct proportion to the liquid level.

The inlet tube is annular feed liquor pipe, is equipped with a plurality of apopores on the pipe wall of feed liquor pipe.

The bottom of filter core is equipped with the anti-water collector of magnetic suspension, and the anti-water collector of magnetic suspension is located the outside of filter core. When water exists, the magnetic levitation reverse water collector seals a pipeline of the magnetic levitation reverse water collector under the action of buoyancy, and when no water exists, a channel is opened, and impurities are discharged from a pipe opening.

The electric control system based on MCU control:

referring to fig. 16, an electric control system of an intelligent water treatment device includes an MCU, a position sensor and a liquid level sensor;

the position sensor and the liquid level sensor are both connected with the MCU; the lifting mechanism, the liquid inlet valve, the dosing mechanism (or dosing mechanism), the discharge valve and the liquid pump are all controlled by the MCU;

the position sensor is used for detecting the position of the lifting platform or the filter element in the vertical direction;

the liquid level sensor is used for detecting the height of the liquid level in the container;

the MCU has a timing unit therein for controlling the reaction time (e.g., flocculation time).

The MCU performs the following controls:

the water inlet control is realized, the MCU controls the opening of the water inlet valve, and the water inlet is stopped when the liquid level rises to a preset liquid level; when water enters, the medicament for purifying the water and the water to be treated enter the container simultaneously; or the mixture enters the container, so that a liquid inlet valve can be controlled, and the dosing pipe and the wastewater inlet pipe are separated in advance, and the mixing of the medicament and the wastewater is completed only when water enters; the drug is administered by the administration means, and the drug is administered simultaneously when water is added, and the drug is preferably added through a separate tube, and preferably a solution with the drug is administered. Controlling the liquid medicine to enter or stop entering through a valve; or directly into a solid or powder medicament, not shown.

Controlling the lifting of the filter element:

when water enters, the MCU controls the filter element to ascend simultaneously so as to clean the outer wall of the filter element; after the position sensor detects that the filter element rises to a preset highest position, the filter element stops rising;

after the preset reaction time is up, the MCU controls the filter element to descend; stopping descending until the lower limit position is reached;

water pumping control:

when the filter element descends to a certain set position (such as the lowest position or a certain lower position), the MCU starts the liquid pump to pump water; after the liquid level meter detects that the liquid level is lower than a certain set value or the flow meter detects that the flow is lower than the set value, the MCU closes the liquid pump;

controlling discharged waste materials:

after the liquid level meter detects that the liquid level is lower than a certain set value or the flow meter detects that the flow is lower than the set value, a discharge valve is opened to discharge waste materials; closing the discharge valve after a predetermined discharge time, after a predetermined discharge time T2, or after a weight sensor detects that the weight of the waste at the bottom of the container is less than a predetermined value; and restarting the next control period;

if the flowmeter is used for detecting the water yield, the flowmeter is arranged at the water outlet pipe and is connected with the MCU.

And (3) controlling the rotation of the filter element:

the filter element is a rotary filter element, the lifting platform is provided with a bearing, and a rotating shaft of the filter element is inserted in the bearing; the intelligent water treatment device also comprises a motor and a transmission mechanism; the motor drives the filter element to rotate through the transmission mechanism;

the control executed by the MCU also comprises the control of a motor;

when the filter element rises, the starting motor drives the filter element to rotate, and water ejected from the annular water inlet pipe washes the outer wall of the filter element at the moment so as to enhance the cleaning effect.

The electric control lifting driving mechanism is a hydraulic push rod or an electric push rod.

The MCU is a singlechip, an FPGA, a CPLD, a DSP or an ARM processor.

The intelligent water treatment device also comprises a communication module; the MCU is connected with the communication module and the remote control terminal or the control center through the communication module. If a plurality of intelligent water treatment devices are arranged in one container, the intelligent water treatment devices are synchronously controlled.

The position sensor is at least one of a travel switch, a displacement sensor and a photoelectric sensor.

When the filter element rises, the MCU starting motor drives the filter element to rotate, and water ejected from the annular water inlet pipe washes the outer wall of the filter element at the moment so as to enhance the cleaning effect.

The water treatment process of the intelligent water treatment device is controlled by a remote control method; the MCU is in communication connection with a remote control terminal or a remote control center through a communication module to realize remote control. The remote control terminal can be a PC or a smart phone, and the remote control center is a server.

Electric control system of intelligent water treatment device with rotary filter element (electric control system based on traditional relay protection)

Referring to fig. 14-15, a relay control system for an intelligent water treatment device includes a water inlet and dosing control circuit, a filter element lifting control circuit, a liquid pump control circuit, and a discharge control circuit;

the relay control system also comprises a start button, a stop button, a first delay relay, a second delay relay, an upper liquid level detection circuit, a lower liquid level detection circuit, an upper limit detection circuit (such as an upper limit switch) and a lower limit detection circuit (such as a lower limit switch);

the first time delay relay is used for controlling the reaction time; the second time delay relay is used for controlling the discharging time;

(1) water inlet and dosing control circuit

The water inlet control circuit is connected with the starting button, the stopping button, the second delay relay switch, the upper liquid level detection circuit and the water inlet valve relay; when the starting button is pressed down or the second delay relay switch is closed, the water inlet valve is opened; when the stop button is pressed down or the upper liquid level detects that the liquid level reaches the preset upper limit height, closing the water inlet valve;

preferably, when water enters, the dosing control circuit is started to dose; adding a preset medicament according to the preset water inflow, and stopping administration after the medicament is added.

(2) Filter element lifting control circuit

The filter element lifting control circuit is used for driving the lifting platform to lift through the electric control lifting mechanism; the filter element lifting control circuit is connected with the electric control lifting mechanism, the starting button, the stopping button, the upper limit detection circuit, the lower limit detection circuit and the second time delay relay switch; when the start button is pressed down, the filter element rises, when the stop button is pressed down, the filter element stops acting, the upper limit detection circuit detects that the filter element reaches the upper limit position and stops rising, the lower limit detection circuit detects that the filter element reaches the lower limit position and stops falling, and when the second time delay relay switch acts, the reaction is finished, and the filter element starts falling;

(3) discharge control circuit

The discharge control circuit is connected with the lower liquid level detection circuit, the second delay relay switch, the discharge valve relay and the second delay relay; when the lower liquid level detection circuit detects a first lower limit liquid level of the liquid level, a discharge valve relay is started to drive a discharge valve to open; and simultaneously starting a second time delay relay; when the second time delay relay switch acts, the discharging is completed, and the discharging control circuit drives the discharging valve relay to lose power so as to close the discharging valve.

The relay control system for the intelligent water treatment device also comprises a filter element rotation control circuit;

the filter element rotation control circuit is used for controlling the motor to rotate or stop rotating through the relay;

the filter element rotation control circuit is connected with the motor power supply relay, the starting button, the stopping button, the second time delay relay switch and the upper limit detection circuit; when the starting button is pressed down or the second delay relay switch is switched off (indicating that discharging is finished), the starting motor drives the motor to be switched on through the motor power supply relay, so that the filter element is driven to rotate; when the stop button is pressed down, or the upper limit detection circuit detects that the filter element rises to the upper limit position, the motor stops rotating through the relay, and the filter element stops rotating.

The upper limit detection circuit and the lower limit detection circuit employ a photoelectric sensor, a magnetic sensor, or a limit switch (a travel switch).

The upper liquid level detection circuit and the lower liquid level detection circuit employ liquid level sensors and comparators (or amplifiers).

The electric control lifting mechanism is an electric push rod or a hydraulic push rod.

The water inlet control circuit, the filter element lifting control circuit, the liquid pump control circuit, the filter element rotation control circuit and the discharge control circuit adopt PLC or discrete logic devices (combined with a NOR gate).

The specific water treatment process is shown in fig. 15.

Water inlet pipe for water treatment device

Referring to fig. 17-19, a water inlet pipe for use in a water treatment device, the body 51 of the water inlet pipe being generally circular;

the outer end 54 of the pipe body of the water inlet pipe is plugged; a plurality of water outlet holes 52 are arranged on the water inlet pipe; the water treatment device is provided with an inner barrel and an outer barrel.

The apopore is located the inboard of outer wound form body, and the direction of the water of being convenient for to jet out from the downthehole is to central direction (for example radial and point to the centre of a circle) to cheap certain angle (for example 15 degrees), can wash the interior bucket by the way when intaking like this.

The pipe body is annular on the whole, and the inner ring diameter of the pipe body is larger than the outer diameter of the inner barrel.

The pipe body is fixed on the inner wall of the opening of the outer barrel by welding or by a plurality of hooks.

The whole body of the pipe body is in a regular quadrangle, as shown in figure 7, so that the pipe body can be matched with a square filter element; furthermore, the filter element can be deformed in a positive n shape, wherein n is more than or equal to 5 and is matched with the shape of the filter element, so that the function of cleaning the outer wall of the filter element can be better played.

The water outlet holes are arranged at equal intervals.

The diameter range of the water outlet hole is 2-20 mm. Depending on the volume of the water treatment device, it is preferable that the diameter of the water outlet hole is 2.5mm when the diameter of the annular tube body is 430 mm.

There is also a water inlet pipe without gaps and plugs as described in figure 7.

The inlet tube has the following characteristics:

(1) one end of the pipe body is blocked, and water is discharged through the smaller water outlet hole, so that the water is more uniform than the water discharged from a direct pipe orifice;

(2) the water outlet holes are arranged at equal intervals, so that the water outlet is more uniform;

(3) when the annular pipe body is adopted, the water outlet hole faces to the circle, and in the lifting process of the inner barrel (namely the filter element), the water outlet can wash the outer wall of the inner barrel, so that the self-cleaning effect is achieved.

(4) The whole body adopts an annular or polygonal structure, so that the appearance is more attractive.

In conclusion, the water inlet pipe used in the water treatment device has the advantages of attractive structure and self-cleaning function.

Claims (10)

1. The utility model provides a combined filter core, its characterized in that, includes filter core body and center tube (61), and filter core body's surface is for having filter screen (78) of a plurality of filtration pores, and filter core body comprises a plurality of arbitrary filter core units in following filter core unit and forms:

the disc-shaped filter element, the wheel-shaped filter element, the table-shaped filter element, the conical filter element unit, the star-shaped filter element and the special-shaped filter element unit are covered; the filter element unit is provided with a central hole, and the central tube is inserted into the central hole so as to fixedly connect the central tube and the filter element body into a whole;

the central pipe is provided with a water inlet (77) which is positioned inside the combined filter element unit;

the covered dish-shaped filter element is formed by buckling 2 dish-shaped components;

the special-shaped filter element unit is a spherical filter element unit, a hemispherical filter element unit, an ellipsoidal filter element unit or a semi-ellipsoidal filter element unit.

2. The modular filter cartridge of claim 1 wherein the bottom of the modular filter cartridge unit is provided with a central aperture; the lower end of the central tube is inserted into the central holes at the top and the bottom of the combined filter element unit, the bottom of the filter element body is provided with a central hole which is sealed relative to the outside of the filter element body, or the bottom of the filter element body is provided with a central hole on which a layer of filter screen is arranged.

3. The combination filter cartridge of claim 1, wherein the filter cartridge body further comprises a filter cartridge frame (220) lining the filter screen.

4. The combination filter element according to claim 3, wherein the star-shaped filter element unit is a regular N-angle prism-shaped filter element unit or a cylindrical filter element unit with N radial lobes, N is greater than or equal to 4, and N is an integer.

5. The modular filter cartridge of claim 1 wherein the upper end of the center tube is secured to a lifting platform.

6. The combination filter cartridge of claim 1, wherein the upper end of the center tube is secured to the rotary lift platform.

7. A combined filter cartridge according to any one of claims 1 to 6 wherein the cartridge body comprises N combined cartridge units; the N combined filter element units are connected in series on the central tube; n is an integer of 2-5; the central pipe is provided with N water inlet holes which are respectively arranged in the N combined filter element units.

8. The modular filter cartridge of claim 1, wherein when the modular filter cartridge unit is a hemispherical filter cartridge unit, the spherical surface of the filter cartridge is oriented downward;

when the combined filter element unit is a semi-ellipsoidal filter element unit, the ellipsoidal surface of the ellipsoidal filter element unit faces downwards.

9. A water treatment device is characterized by comprising a container, a filter element lifting driving mechanism and a filter element self-cleaning mechanism;

the filter element lifting driving mechanism is used for driving the filter element to move up and down relative to the container; the filter element is positioned in the container; the filter element self-cleaning mechanism is used for cleaning the outer surface of the filter element;

the water treatment device also comprises a liquid inlet pipe, a liquid discharge mechanism and a waste discharge mechanism;

the liquid inlet pipe is used for adding water to be filtered into the container;

the liquid discharge mechanism is used for discharging water in the filter element;

the waste discharge mechanism is used for discharging waste at the bottom of the container;

the filter element is a combined filter element as claimed in any one of claims 1 to 8.

10. The water treatment device of claim 9, further comprising a control module for controlling the cartridge lifting drive mechanism, the inlet tube, the drain mechanism, and the waste drain mechanism.

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