2247 results about "Water purification filter" patented technology

The invention discloses a water purifier water quality anomaly detection method based on deep learning. The method comprises the following steps: S1, collecting multi-dimensional index data of water quality sensors inside and outside a water purifier; s2, constructing a spatial adjacency matrix according to the physical distribution of the water quality sensors; s3, a time-space diagram neural network model is adopted to generate water quality time-space feature representation; s4, calculating the abnormal score of the water quality state based on the reconstruction error and the prediction error; s5, optimizing hyper-parameters of the water quality anomaly detection model by adopting an improved cuckoo search algorithm; s6, updating the positions of cuckoo individuals; and S7, applying the optimized water quality anomaly detection model to anomaly detection of the real-time water quality data flow. According to the method, the time-space diagram neural network model is combined, the cuckoo search algorithm and the anomaly detection and evaluation technology are improved, and deep learning-based water quality anomaly detection of the water purifier is realized.

The invention relates to the technical field of water purifiers, and provides a water purifier control method, device and equipment and a storage medium, and the method comprises the following steps: when an instruction of starting water production is received, obtaining any random number from a preset random number range; if the random number is within a preset first range, firstly filtering tap water flowing in from a main water inlet through a first reverse osmosis membrane, then enabling wastewater output by the first reverse osmosis membrane to flow into a second reverse osmosis membrane for secondary filtration, and then enabling the wastewater to flow out from a main water outlet; if the random number is within a preset second range, firstly filtering the tap water flowing in from the main water inlet through a second reverse osmosis membrane, then enabling the wastewater output by the second reverse osmosis membrane to flow into the first reverse osmosis membrane for secondary filtration, and then enabling the wastewater to flow out from the main water outlet. According to the invention, the first reverse osmosis membrane or the second reverse osmosis membrane can be prevented from being invalid in advance due to overuse, so that the service life of each osmosis membrane in the reverse osmosis filter piece is prolonged.

The utility model discloses a water purifier for detecting the liquid level through pressure sensors, and relates to the technical field of liquid level detection of water purifiers, the water purifier comprises a water purifier water tank and a water pipe fixedly arranged on the lower portion, micro pressure sensors are arranged on the two sides of the water pipe, a square head fixedly connected with the water pipe is arranged on the lower portion of the water purifier water tank, and a plurality of transverse shafts A are slidably arranged in the middles of the two sides of the square head; clamping mechanisms are arranged at the two ends of each transverse shaft A, two transverse fixing plates fixedly penetrate through the two ends of each transverse shaft A, sealing plugs A are fixedly arranged in the middles of the surfaces of the opposite sides of the transverse fixing plates, transverse shafts B are fixedly arranged in the middles of the surfaces of the sides of the sealing plugs A, and sealing plugs B are fixedly arranged at one ends of the transverse shafts B. The problems that real-time continuous linear detection cannot be achieved, the detection precision is not high, high-precision liquid level detection cannot be achieved, more functions cannot be provided on the water purifier, and replacement is inconvenient are solved.

The bottom of the barrel cover is provided with a lower cavity with a downward opening, and the barrel cover is internally provided with a first raw water flow channel, a second raw water flow channel, a pure water flow channel, a waste water flow channel and a pure water flow channel. The lower cavity comprises a pure water insertion cavity positioned in the center, a wastewater cavity surrounding the exterior of the pure water insertion cavity, and a raw water cavity surrounding the exterior of the wastewater cavity; a first control valve for controlling the connection and disconnection of the first raw water flow channel according to the water pressure of the pure water flow channel and a second control valve for controlling the connection and disconnection of the second raw water flow channel according to the water pressure of the pure water flow channel are also arranged in the cylinder cover. According to the utility model, the water control flow channel is arranged on the cylinder cover, so that the cylinder cover can be conveniently connected with an external pipeline, the pressure sensor can be directly arranged on the cylinder cover, and the user experience is improved.

The utility model relates to a wall-mounted water purifier and a water path system used for the same. The water path system comprises a water inlet electromagnetic valve, at least two booster pumps and at least two reverse osmosis filter elements, the water inlet electromagnetic valve is connected to the raw water inlet end, pure water outlets of the reverse osmosis filter elements are connected to the pure water outlet end, and the reverse osmosis filter elements and the booster pumps are arranged between the water inlet electromagnetic valve and the pure water outlet end in parallel; each booster pump is correspondingly connected to each reverse osmosis filter element; the bypass unit comprises a bypass pipeline and a bypass switch, the bypass water inlet end of the bypass pipeline is connected between the raw water inlet end and the water inlet electromagnetic valve, and the bypass water outlet end of the bypass pipeline is connected between the reverse osmosis filter element and the pure water outlet end; the bypass switch is installed on the bypass pipeline and used for controlling connection or disconnection of the bypass water inlet end and the bypass water outlet end. Through the arrangement of the bypass unit, the at least two reverse osmosis filter elements and the booster pump, the requirements of normal water use, emergency water use and large-flow water use of a user are met.

A control device, for a water purifier, that dispenses hot water and that includes: an input unit that is configured to receive a command signal; and a controller that is configured to control the water purifier based on the command signal, wherein the controller is configured to: control power output of a heating unit that is configured to heat water stored in a hot water tank of the water purifier, and based on the power output of the heating unit, control temperature of hot water dispensed by the water purifier is disclosed.

The utility model discloses a filter element, an intelligent water purifier and a backwashing method of the intelligent water purifier, the filter element comprises a shell, a filter membrane assembly and a positioning terminal, and the positioning terminal abuts against and prevents the inlet end face of the filter membrane assembly from being extruded by reverse water flow to move, twist, deform and damage; the intelligent water purifier comprises a controller, a filter element, a purified water pressure tank, an electromagnetic valve and a water pump, the water pump presses raw water or seawater into the filter element for purification, and produced purified water is pressed into the purified water pressure tank; the filter element backwashing method further comprises a high-pressure switch, a pollution discharge throttle valve and a pollution discharge electromagnetic valve, the high-pressure switch triggers the controller to open the pollution discharge electromagnetic valve, and sewage is discharged through the pollution discharge throttle valve, so that purified water released by the purified water pressure tank is divided into two paths to appropriately flow back to the backwashing filter element. According to the intelligent water purifier, the filter element and the method for backwashing the filter element, the effects of saving water and reducing emission can be achieved, the purpose that the filter element can filter for a long time and does not need to be replaced is achieved, consumption of the multi-stage filter element is reduced, and the problem of peculiar smell caused by a traditional dirt hiding and containing filtering mode is solved.

To provide a technique capable of contributing to environmental load reduction while securing performance as a water purification filter.SOLUTION: The water purification filter 11 satisfies at least one of the conditions that the increase in CO2 on the ground surface due to CO2 released at the time of disposal is not more than 240L per kilogram and that the use rate of petroleum-derived raw materials is not more than 15%.SELECTED DRAWING: Figure 3

The invention relates to the technical field of water treatment filter materials, in particular to an intelligent clean gradient composite water purification filter element and a preparation method thereof. The filter element adopts an integrated design of'natural gradient base material + ZIF-67 function enhancement + fluorescence-ultrasonic intelligent regeneration ': modified vegetable sponge is used as a porous support layer, a silica gel / ZIF-67 composite gradient layer is constructed on the porous support layer to realize adsorption and antibacterial dual functions, and dopamine-aluminum ions are used for composite surface modification to enhance hydrophilicity and interlayer binding force; a matched automatic system senses pollution in real time through the fluorescence monitoring module and triggers the ultrasonic regeneration module to complete self-cleaning, and the flux recovery rate is larger than or equal to 97.5%; the interception rate of the filtering element to anabaena under the operation pressure of 0.1-0.3 MPa is larger than or equal to 99.2%, the filtering flux is increased by 6-8 times compared with that of a commercial element, the filtering element can tolerate complex water quality in the coexistence of drugs and personal care products, natural vegetable sponge serves as a base material, and the filtering element has the advantages of biocompatibility and low cost and is suitable for drinking water purification and eutrophication water body treatment.

The present application discloses a clarifier and a water purifier, and belongs to the technical field of sewage treatment. The clarifier and the water purifier are provided. The lower end of the clarifier is closed. A throat pipe is arranged in the clarifier from the center of the bottom of the clarifier. A first reaction chamber is arranged in the upper part of the throat pipe. An annular second reaction chamber is arranged around the first reaction chamber. The first reaction chamber is connected to the second reaction chamber from the top. The second reaction chamber is connected to a separation chamber from the bottom. A sludge discharge pipe is arranged on the side of the bottom of the separation chamber. The top of the separation chamber is connected to a water outlet weir. The sewage added with a medicament enters a cyclone reaction area of the water purifier, and then flows into the clarifier through a primary flocculation reaction and a preliminary suspended clarification area to perform a first-stage and a second-stage flocculation reaction, so that the clarity of the clean water obtained after the sewage treatment is improved. The problem that the existing water purifier can only perform a first-stage flocculation reaction on the sewage and the sewage treatment effect is poor is solved.

The filter element assembly comprises a water path plate, a pretreatment filter element, a reverse osmosis filter element, a pressure tank and a one-way valve, the water path plate comprises a plate body, a plurality of filter element mounting seats and a water path structure part, the plurality of filter element mounting seats comprise a first mounting seat and a second mounting seat, and the first mounting seat and the second mounting seat are arranged on the plate body; an avoiding groove is concavely formed in the inner wall surface of the water path, the groove bottom of the avoiding groove is communicated with a water outlet of the water path plate, the pretreatment filter element and the first mounting seat are coaxially mounted, the reverse osmosis filter element and the second mounting seat are coaxially mounted, the pressure tank is communicated with a water outlet of the reverse osmosis filter element through the water path, and the one-way valve is arranged between the reverse osmosis filter element and the pressure tank. The receding groove is located between the connecting port of the waterway communicating pressure tank and the one-way valve. According to the arrangement, when the water purifier begins to discharge water, water in the pressure tank and water flowing out of the one-way valve respectively flow into the avoiding groove from the two sides of the avoiding groove, so that the water can be smoothly discharged from the water outlet of the waterway plate, and the water outlet efficiency of the water purifier is further improved.

The invention discloses a multifunctional filtering water purifier which comprises a shell, a panel arranged on the shell, a water outlet nozzle arranged at the lower end of the panel, a base arranged at the bottom of the shell and opposite to the water outlet nozzle, and further comprises a groove formed in the center of the upper end of the base, and a coupler movably arranged in the groove in a lifting mode; the cover is rotationally arranged on the base and used for covering the groove; and the driving assembly is used for driving the cover to rotate to open the groove and then driving the coupler to ascend and extend out of the groove, or reversely driving the coupler to descend and retract into the groove and then driving the cover to rotate to shield the groove. Under sequential driving of the driving assembly, the cover can be rotated to open the groove firstly, then the coupler ascends to extend out of the groove for normal use, and in the idle period of the coupler, the coupler can be driven to descend to be collected into the groove firstly, and then the cover is rotated to cover the groove, so that the coupler is prevented from being wetted by water drops outside the coupler or external factors, and the service life of the coupler is prolonged. And safe use is ensured.

The invention relates to a composite metasilicic acid mineralized filter element profile as well as a preparation method and application thereof, and relates to the technical field of water purifiers, the composite metasilicic acid mineralized filter element profile is prepared from the following raw materials in parts by weight: 60 to 80 parts of metasilicic acid mineralized carbon material and 20 to 40 parts of bonding material; the metasilicic acid mineralized carbon material is prepared from the following raw materials in parts by weight: 30-60 parts of metasilicic acid mineralized powder, 30-60 parts of activated carbon powder, 0.3-2 parts of an antibacterial agent, 0.2-1 part of a pore forming agent and 0.5-5 parts of a stabilizer. According to the composite metasilicic acid mineralization filter element profile provided by the invention, the formula of the filter material is designed, so that the composite metasilicic acid mineralization filter element profile has a good specific surface area, the contact area between active ingredients such as mineralization materials and water is ensured, the composite metasilicic acid mineralization filter element profile not only has the adsorption, harm removal and impurity removal functions of activated carbon, but also can separate out mineral substances, and is beneficial to realizing stable release of metasilicic acid.

The filter element assembly comprises a water path plate, a pretreatment filter element, a reverse osmosis filter element and a waste water valve, the water path plate comprises a plurality of filter element mounting seats and a water path structure part, and the central axes of the plurality of filter element mounting seats define a central axis surface; the plurality of filter element mounting seats comprise a first mounting seat and a second mounting seat, the pretreatment filter element and the first mounting seat are coaxially mounted, the reverse osmosis filter element and the second mounting seat are coaxially mounted, the wastewater valve is mounted on the water path structure piece and is positioned on one side of a middle axial surface, and the wastewater valve is communicated with a wastewater opening of the reverse osmosis filter element through a water path; the wastewater of the reverse osmosis filter element is only allowed to flow to the water outlet of the waterway plate unidirectionally. According to the technical scheme, the space of the waterway plate on the two sides of the middle axial surface can be fully utilized, and the size of the water purifier is reduced.

The invention relates to the technical field of ion exchange resin columns, and discloses an ion exchange resin column cleaning device which comprises a filter cylinder, the filter cylinder is installed in a water purifier, the filter cylinder is filled with ion exchange resin and provided with a rotatable partition plate assembly, and the rotatable partition plate assembly comprises a plurality of parallel hollow partition plates. The hollow partition plate is rotatably connected to the interior of the filter cartridge, an annular supporting seat is arranged at the bottom of the water purifier and used for fixing a filter cartridge base, the inner diameter of the water purifier barrel is designed to be larger than the outer diameter of the filter cartridge, an annular cleaning channel surrounding the filter cartridge is formed, and hydraulic drive type sealing plate assemblies are symmetrically arranged in the water purifier cavity. The sealing plate assembly and the outer wall of the filter cartridge form a dynamic sealing interface through a curved surface clamping structure; the filter cartridge is connected with the mixed cleaning mechanism, multi-mode regeneration cleaning of ion exchange resin is achieved, and the ion exchange resin column cleaning device effectively solves the problem that a traditional single cleaning mode is low in efficiency through a multi-mode collaborative cleaning mechanism.

Provided by the present invention is a faucet water purifier, a control valve and a disk assembly for a faucet water purifier, which comprises a control valve and a filtering device, wherein the filtering device defines a first communicating opening, a second communicating opening and a third communicating opening, the control valve comprises a valve body and a valve core, wherein the valve body defines a valve cavity, a first opening, a second opening, a third opening, a fourth opening, a fifth opening, a raw water inlet and a draining opening, wherein the valve core is disposed inside the valve cavity, wherein the first opening is communicated with the first communicating opening of the filtering device, the second opening is communicated with the second communicating opening of the filtering device, the fourth opening is communicated with the third communicating opening of the filtering device, the third opening is communicated with a water outlet of the filtering device, and the raw water inlet of the valve body is adapted to be communicated with a raw water source.

The utility model belongs to the field of water purifiers, and discloses a filter element assembly with a mounting structure. A filter element; a first locking member; and a second locking piece. The filter element assembly with the mounting structure is provided with the first locking piece and the second locking piece, during mounting, after the filter element is obliquely and downwards inserted into the mounting position and is connected with the first locking piece, the filter element rotates to the vertical direction relative to the machine shell along with the first locking piece, and the filter element is locked. The handle rotates to a first locking position relative to the filter element body and is locked with the shell through a second locking piece; thus, during unlocking, the handle needs to be rotated in the reverse direction to unlock the second locking piece, then the filter element is rotated in the reverse direction to unlock the first locking piece, the installation stability of the filter element is improved, locking of the filter element can be achieved only through two steps, and operation is easy.

A water purifier includes: a water outlet unit; a water temperature sensor; a filter; a cold water module for cooling the purified water to provide cold water; a hot water module including a heater for heating water, and a hot water body providing a space which receives the hot water or through which the hot water flows; a flow channel connected to the water outlet unit, the filter, the cold water module, and the hot water module to provide a passage through which the purified water, the cold water, the hot water, and discharge water flow; a valve module that are selectively opened / closed to control the flow of water in the flow channel; and a controller for controlling the valve module such that a temperature of the water discharged from the water outlet unit measured by the water temperature sensor is a target temperature.

The utility model discloses an electric control system of a water purifier capable of adjusting components in filtered water, which comprises a shell, and a water inlet electromagnetic valve, a water pump, a first filtering component for filtering impurities in water and a second filtering component for sterilizing and disinfecting a water body which are sequentially connected are arranged in the shell. The third filter assembly is used for intercepting organic matters, heavy metals and trace elements in water and generating wastewater to be discharged, the pressure sensor is used for detecting the output pressure of filtered water, a supplementing water pipe is connected between the output end of the second filter assembly and the output end of the filtered water of the third filter assembly, and the wastewater outlet end of the third filter assembly is connected with a wastewater electromagnetic valve. The main control assembly is used for controlling the water inlet electromagnetic valve and the waste water electromagnetic valve to be opened when the water purifier works and controlling the water pump to work to adjust tap water input flow according to a detection signal of the pressure sensor, so that filtered water retains components such as trace elements in the area, and meanwhile, the stable tap water input pressure is ensured.

The invention discloses a facility breeding device for ovolive freshwater snail fries and a use method, and belongs to the field of freshwater snail culture facilities in aquaculture. The facility breeding device comprises a snail seed placing basket, a tail water collecting barrel, a snail seedling collecting bag and an algae culture barrel, and the snail seed placing basket is flatly laid on an aquarium; the lower part downwards sprays to the snail seed placing frame through a water suction pump, a vertical water pipe, a horizontal water inlet pipe and water inlet holes which are formed at equal intervals; a water quality monitor is additionally arranged below the right side in the aquarium, and the water quality index of the water body in the aquarium is maintained within a set range through a control panel and manual intervention measures; a snail seedling outlet and a filter screen are arranged below the left front side of the aquarium, snail seedlings are discharged into a snail seedling collecting pipe in a flushing water mode and enter a tail water collecting barrel, and a snail seedling collecting bag is arranged in the snail seedling collecting barrel; the tail water enters the water purifier from a water outlet in the lower side of the tail water collecting barrel, and is supplied to the algae culture barrel after being purified; and a timer and a water flow control valve are additionally arranged in the middle of the algae culture barrel.

The invention belongs to the technical field of wastewater treatment, and particularly discloses a treatment method for complex-component mine acid wastewater. The method comprises the following steps: introducing wastewater into a primary mixing reaction tank, and respectively adding an alkaline agent, powdered zeolite and a heavy metal capturing agent to adjust the pH value and remove organic nitrogen and NH3-N to form a heavy metal chelate precipitate; pressurizing effluent in the first-stage mixing reaction tank to a first-stage efficient cyclone water purifier, carrying out solid-liquid separation, and introducing the wastewater into an efficient denitrification filter to adsorb organic nitrogen; introducing the filtrate in the efficient denitrification filter into a secondary mixing reaction tank, and then respectively adding a heavy metal capturing agent, a defluorination agent and NaClO; pressurizing the wastewater in the second-stage mixing reaction tank to a second-stage efficient cyclone water purifier, then introducing the wastewater into an efficient manganese removal filter, then introducing filtrate into a clean water tank, and finally calculating the removal rate n of each pollutant. The method has the characteristics of high treatment efficiency, simplicity and convenience in operation, stability in operation and low cost.

The invention relates to the technical field of water purifiers, in particular to a filter element, a preparation method of the filter element and a water purifying device.The filter element comprises a silica sand layer, an activated carbon adsorption layer and a modified nano-silver functional layer which are stacked in the water flow direction; wherein the modified nano-silver functional layer comprises nano-silver particles modified by antibacterial peptide-cyclodextrin. According to the filter element prepared through the method, a superfine and dispersed nano-silver particle system is constructed, the stability of nano-silver in the filter element system can be greatly enhanced, then the antibacterial activity and antibacterial broad-spectrum performance of the nano-silver are improved, meanwhile, efficient removal of heavy metal is achieved in an auxiliary mode, and the water purification efficiency of a water purification device is effectively and comprehensively improved.

The utility model relates to the field of water purifiers, in particular to a portable water purifier which comprises an inlet water filtering mechanism, a first filtering mechanism and a UV (ultraviolet) sterilization mechanism, the inlet water filtering mechanism is connected with a water inlet of the first filtering mechanism, and the UV sterilization mechanism is connected with a water outlet of the first filtering mechanism; the first filtering mechanism comprises a first machine shell, a blocking piece is arranged in the first machine shell, the blocking piece enables the interior of the first machine shell to form a first cavity and a second cavity, the lower portions of the first cavity and the second cavity are communicated, a first water purifying assembly is arranged in the second cavity, and a manual pump is arranged in the first cavity; and the top of the manual pump is located above the first machine shell, a water inlet of the first filtering mechanism is formed in one side of the first machine shell and located below the first cavity, and a water outlet of the first filtering mechanism is formed in a water outlet end cover at the top of the first machine shell. The water purifier has the characteristics of good water purification effect, convenience in carrying, simplicity in operation and the like.

The invention discloses welding equipment, and relates to the technical field of water purification filter element manufacturing, the welding equipment is applied to a filter element workpiece, the filter element workpiece comprises a filter element cover and a filter bottle, the welding equipment comprises a main body rack, a welding host and a visual inspection assembly, the main body rack is provided with a lower mold, and the lower mold accommodates the bottom of the filter bottle; the welding main machine is arranged on the main body rack and provided with an upper mold, and the upper mold clamps a filter element cover; the welding host is used for controlling the upper die to drive the filter element cover to rotate downwards, so that the filter element cover and the filter bottle are subjected to rotary fusion welding to form a filter element workpiece; the shooting direction of the visual detection assembly faces the welding position of the filter element workpiece. And the visual detection assembly is used for shooting and processing the welding image of the filter element workpiece to obtain the welding depth of the filter element workpiece, outputting a qualified signal when the welding depth is within a preset range, and outputting an alarm signal when the welding depth exceeds the preset range. The welding depth of the filter element workpiece can be shot and identified, so that the quality stability is ensured.

The invention discloses a water purifier filter element loss prediction method based on an adversarial strategy, and the method comprises the following steps: constructing a data set composed of time sequence data related to the loss degree of a water purifier filter element and the loss rate of the water purifier filter element, and dividing the data set into a training set and a verification set; a water purifier filter element loss prediction model composed of a transform network and a generative adversarial network is constructed; inputting the training set into a Transform network for training, outputting a first predicted value, and generating random noise by adjusting parameters of a Gaussian function; inputting the first predicted value and the random noise into a generative adversarial network for training; and verifying the trained water purifier filter element loss prediction model by using the verification set. The method solves the problem that in an existing water purifier filter element service life prediction method based on a mirror symmetry adversarial network model, the mirror symmetry adversarial network model does not fully consider the space-time relation among various factors influencing the service life of the water purifier filter element in the prediction process.

The utility model relates to the technical field of water purification equipment, in particular to a high-efficiency whole house water purifier filter element which comprises a fixing cover and a filtering assembly, the filtering assembly is arranged in the fixing cover and comprises a filtering barrel, the filtering barrel is movably connected in the fixing cover in a sleeved mode, a first threaded groove is formed in the side surface of the filtering barrel, and a second threaded groove is formed in the side surface of the filtering barrel. A filtering protective sleeve is movably connected to the interior of the filtering barrel, and two connecting belts are fixedly connected to the outer side of the filtering protective sleeve and are symmetrically distributed. When the high-efficiency whole-house water purifier filter element is used, a water source can be filtered through the mounted filter protection sleeve and the activated carbon folding filter element, residual chlorine in tap water can be better removed by utilizing the adsorption performance of activated carbon, impurities in the water source are effectively reduced, and the water quality is improved. Meanwhile, the filtering protective sleeve and the activated carbon folding filter element can be repeatedly cleaned, so that the water purifier is more durable, more energy-saving and lower in cost, and the water purification effect can be further improved.

The water purification system comprises a pipeline, a water purification barrel, a front filter element, a filter element assembly and a water pumping assembly, the front filter element is mounted at the front end of the pipeline, the water purification barrel is mounted at the tail end of the pipeline, the filter element assembly is mounted on the pipeline, and the water pumping assembly is mounted on the pipeline; a pipeline from the front filter element to the filter element assembly section is a pipeline I, and a pipeline from the filter element assembly to the water purification barrel section is a pipeline II; a branch pipe is connected with the pipeline I and the pipeline II, a valve I is installed on the pipeline I and located on the downstream of the joint of the branch pipe and the pipeline I, a valve II is installed on the pipeline II and located on the downstream of the joint of the branch pipe and the pipeline II, and a valve III is installed on the branch pipe. The closing valve I, the closing valve II and the opening valve III enable water stored in the filter element assembly and the pipeline to be discharged from the front filter element, and the front filter element is backwashed. Two purposes are achieved, namely, water stored in the filter element assembly and the pipeline is discharged, and the front filter element is cleaned.

The present application relates to a kind of water purifiers, water purifier includes: liquid level box, with atmosphere communication, and is equipped with liquid level box communication port, liquid level box is equipped with water level sensor for detecting water level in;Water purification tank, with atmosphere communication, and is equipped with water purification tank communication port, the volume of water purification tank inner chamber of water purification tank is greater than the volume of liquid level box inner chamber of liquid level box;Communicator, with communicator inner chamber is structured, communicator inner chamber is communicated with water purification tank communication port and liquid level box communication port respectively, communicator is detachably connected with water purification tank;And filter, for being connected with the water source to be purified, and with the communication of communicator inner chamber;Wherein, the minimum cross-sectional area of first communication channel for water purification tank communication port and communicator inner chamber communication, greater than the minimum cross-sectional area of second communication channel for liquid level box communication port and communicator inner chamber communication.The water purifier of the present application is higher in reliability.

Disclosed in the present invention is a new-type backwash filter water purifier, comprising a container, a filter element and a valve body, wherein the container comprises a main body bottle and a main body cover, the main body cover having a water intake channel, a water output channel and a waste discharge channel, the water output channel being in communication with the inner cavity of the main body bottle; the filter element is vertically arranged in the container, and a raw water channel is provided in the filter element; the valve body is rotatably arranged on the main body cover, a first communication port and a second communication port are formed outside the valve body, and the first communication port is in communication with the second communication port via an internal water cavity of the valve body; and when the valve body is turned to a filtering state, the water intake channel is in communication with the first communication port, and the second communication port is in communication with the raw water channel, and when the valve body is turned to a backwashing state, the raw water channel is in communication with the second communication port, and the first communication port is in communication with the waste discharge channel. This configuration effectively improves the filtering effect and flushing effect and prolongs the service life of the filter element, and the backwash filter water purifier has a simple structure and a low failure rate, is convenient for maintenance and easy to manufacture, and has a low cost.