阅读说明：本技术 一种饮用水净水自洁方法及其净水装置 (Drinking water purification self-cleaning method and water purification device thereof ) 是由 殷富新 于 2021-08-23 设计创作，主要内容包括：本发明公开了一种饮用水净水自洁方法及其净水装置,自洁步骤包括：第一步骤,通过大颗粒杂质分离装置8对所述前置滤芯3进行防堵塞清洗：利用离心力使得大颗粒杂质与水分离,大颗粒杂质被收集统一处理,分离出来的水回流至所述原水箱1；第二步骤,通过活性炭再生系统9恢复活性炭的吸附能力：通过水蒸气,震动以及物理撞击,疏通活性炭的间隙,使其恢复吸附能力。本发明设置原水箱,可以储存原水便于携带,适用于短期的外出或是车载使用；设置有大颗粒杂质分离装置,可以将水中的大颗粒物质集中析出处理,避免在装置内部造成堵塞；设置有活性炭再生装置,能够自我完成再生过程,不需要专门进行额外的再生处理,有效降低活性炭的更换频率。(The invention discloses a self-cleaning method for purifying drinking water and a water purifying device thereof, wherein the self-cleaning steps comprise: the first step, the front filter element 3 is cleaned by blocking prevention through a large particle impurity separation device 8: separating large particle impurities from water by using centrifugal force, collecting and uniformly treating the large particle impurities, and refluxing the separated water to the raw water tank 1; and a second step of restoring the adsorption capacity of the activated carbon by an activated carbon regeneration system 9: the clearance of the active carbon is dredged through water vapor, vibration and physical impact, so that the adsorption capacity of the active carbon is recovered. The invention is provided with the raw water tank, can store raw water, is convenient to carry, and is suitable for short-term outgoing or vehicle-mounted use; the large-particle impurity separation device is arranged, so that large-particle substances in water can be intensively separated out, and the blockage in the device is avoided; be provided with active carbon regenerating unit, can accomplish regeneration process by oneself, need not carry out extra regeneration treatment specially, effectively reduce the change frequency of active carbon.)

1. A drinking water purifying and self-cleaning method is characterized in that: the method comprises the following steps:

the water purification step comprises:

firstly, raw water is introduced into a raw water tank (1), and then the raw water in the raw water tank (1) is pumped into a pretreatment system (2) through a water pump;

the second step, raw water is pretreated: raw water is firstly filtered by a preposed filter element (3) in the pretreatment system (2) and then filtered by activated carbon;

and a third step of finely filtering the pretreated water: filtering the pretreated water through a reverse osmosis membrane module (4) to reduce the total soluble solids in the water;

step four, optimizing the outlet water taste: the finely filtered water is led to pass through a compressed active carbon filter element (5);

step five, pure water with any water temperature can be obtained at the water taking end (7): firstly, a part of purified water with optimized taste is pumped and heated through a hot water tank (6-2), the flow rate of cold and hot water is controlled through an adjusting valve, and then the purified water is conveyed to the water taking end (7) through a cold and hot water pipe system (6-3); the self-cleaning step comprises:

the method comprises a first step of cleaning the preposed filter element (3) through a large-particle impurity separation device (8) in a blockage-preventing way: firstly, preventing large-particle impurities from settling and accumulating on the surface of the preposed filter element (3) through continuous stirring to avoid blockage, then carrying away the large-particle impurities suspended in water through water flow, then separating the large-particle impurities from the water through centrifugal force, finally winding, adsorbing and fixing the large-particle impurities through an adsorbent, separating the large-particle impurities from the adsorbent through clamping, then gathering and collecting the large-particle impurities, finally quickly drying and gathering the large-particle impurities into a pile through strong hot air, and enabling the separated water to flow back to the raw water tank (1);

and a second step of restoring the adsorption capacity of the activated carbon by an activated carbon regeneration system (9): meanwhile, the gaps of the activated carbon are dredged by using water vapor, vibration and physical impact, so that the adsorption capacity of the activated carbon is recovered.

2. The drinking water purifying self-cleaning method according to claim 1, characterized in that: the water vapor required by the activated carbon regeneration system (9) is supplied by the water vapor generated when the hot water is fired by the cold and hot water system (6);

the large-particle impurity separation device (8) is internally added with a flocculating agent to adsorb large-particle impurities and coagulate the large-particle impurities into floccules, and then the floccules are collected by a large-particle impurity collection device (15).

3. The water purifying device of the drinking water purifying self-cleaning method according to any one of claims 1-2, characterized in that: the device comprises a raw water tank (1), wherein the raw water tank (1) is vertically arranged on one side of a water purifying device, a water inlet (1-1) with a cover is arranged at the upper end of the raw water tank (1), the raw water tank (1) is communicated with a water inlet end (2-1) of a pretreatment system (2) through a vertical water pipe extending to the bottom of the tank and a water suction pump, a filtrate outlet (2-2) at the lower end of the pretreatment system (2) is sequentially connected in series with a reverse osmosis membrane component (4) and a compressed activated carbon filter element (5) to form a water purifying passage (10), the water outlet end of the water purifying passage (10), namely the water outlet end of the compressed activated carbon filter element (5), is communicated with a cold and hot water system (6), and the cold and hot water system (6) is correspondingly communicated with a cold and hot water outlet of a water taking end (7) through a cold and hot water pipe;

slag discharge opening (2-3) of pretreatment systems (2) through return bend and water pump communicate in large granule impurity separator (8), the play water end of large granule impurity separator (8) through the return bend communicate in raw water tank (1), pretreatment systems (2) and large granule impurity separator (8) establish ties in proper order and form large granule impurity separation return circuit (11).

4. The water purifying device of the drinking water purifying self-cleaning method according to claim 3, characterized in that: the pretreatment system (2) comprises a preposed filter element (3), the preposed filter element (3) comprises a filter element body (3-1), the filter element body (3-1) is placed in a cylindrical horizontal mode, one end of the filter element body (3-1) extends into the raw water tank (1) to form the water inlet end (2-1), filter holes are uniformly formed in the cylindrical surface of the lower half part of the other end of the filter element body (3-1), the inner cavity of the filter element body (3-1) is communicated with an activated carbon accommodating cavity (12) through the filter holes, the activated carbon accommodating cavity (12) is wrapped outside the filter element body (3-1) in a U shape, openings in two ends of the activated carbon accommodating cavity (12) extend upwards to form the upper end face of a water purifying device shell (13), the lowest end of the activated carbon accommodating cavity (12) is provided with a slope-shaped water outlet which is the filtrate outlet (2-2), the filtrate outlet (2-2) is connected with the water inlet of the reverse osmosis membrane module (4); the filter element body (3-1) is far away from the end face center of one end of the water inlet end (2-1) and is provided with the slag discharging port (2-3), and the slag discharging port (2-3) is provided with a water stop valve.

5. The water purifying device of the drinking water purifying self-cleaning method according to claim 4, characterized in that: a stirring water pusher (14) is arranged in an inner cavity of the filter element body (3-1), the stirring water pusher (14) is horizontally arranged at the central axis position of the inner cavity of the filter element body (3-1), the stirring water pusher (14) is driven to rotate by a power device arranged on the end surface of the water inlet end (2-1), the stirring water pusher (14) comprises a horizontally arranged central rotating shaft (14-1), a spiral water pushing groove (14-2) is arranged on the surface of the central rotating shaft (14-1), a stirring brush (14-3) is arranged at a convex part between the spiral water pushing grooves (14-2), the stirring brush (14-3) is arranged around the surface of the central rotating shaft (14-1), and the stirring brush (14-3) comprises elastic bristles (14-4) which are divergently arranged, the top ends of the elastic bristles (14-4) are contacted with the inner cavity wall of the filter element body (3-1).

6. The water purifying device of the drinking water purifying self-cleaning method according to claim 4, characterized in that: the large particle impurity separation device (8) comprises a disc-shaped water distributor (8-1) communicated with the slag discharge port (2-3), the disc-shaped water distributor (8-1) is fixedly arranged on the inner wall of one side of a shell (8-2) of the large particle impurity separation device (8), water distribution ports (8-3) which are dispersed to the periphery are formed in the annular arc surface of the disc-shaped water distributor (8-1) in an encircling mode, the disc-shaped water distributor (8-1) is communicated with the inner cavity of a centrifugal drum (8-4) through the water distribution ports (8-3), the centrifugal drum (8-4) is horizontally arranged, one end of the centrifugal drum (8-4) is sleeved in the annular groove in the surface of the disc-shaped water distributor (8-1), and the other end of the centrifugal drum (8-4) is far away from the disc-shaped water distributor (8-1) through being arranged on the shell (8-2) ) The centrifugal machine is characterized in that a power device on the outer wall of one side drives the centrifugal machine to rotate, filter holes are uniformly formed in the wall of the centrifugal drum (8-4), elastic tentacles (8-5) are arranged among the filter holes in an inserting mode, the elastic tentacles (8-5) are linearly arranged in groups along the axis direction of the centrifugal drum (8-4), a plurality of groups of the elastic tentacles (8-5) are arranged around the inner wall of the centrifugal drum (8-4), a large-particle impurity collecting device (15) is fixedly arranged in the inner cavity of the centrifugal drum (8-4) along the central axis direction, the centrifugal drum (8-4) is arranged in a filtrate cavity (8-6), and the filtrate cavity (8-6) is communicated with the raw water tank (1) through a guide pipe.

7. The water purifying device of the drinking water purifying self-cleaning method according to claim 6, characterized in that: the large-particle impurity collecting device (15) comprises a slag collecting clamp (15-1) and a slag collecting pipe (15-2), wherein the slag collecting clamp (15-1) is arranged corresponding to each group of elastic tentacles (8-5), the slag collecting pipe (15-2) is horizontally arranged on the central axis, two ends of the slag collecting clamp (15-1) are arranged in a sliding rail in a sliding mode along the radius direction of the cross section of the centrifugal roller (8-4) through sliding blocks, a plurality of groups of slag collecting clamps (15-1) gather together from the inner wall of the centrifugal roller (8-4) to the slag collecting pipe (15-2), each slag collecting clamp (15-1) comprises two clamping plates (15-3) which move relatively, the two clamping plates (15-3) are respectively positioned on two sides of the elastic tentacles (8-5) of the corresponding group, two ends of each clamping plate (15-3) are arranged in sliding grooves in the surface of the sliding blocks in a sliding mode, and the pull rod oil cylinders arranged at the two ends of the sliding chute are used for driving the pull rod oil cylinders to move in opposite directions;

the slag collecting clamp (15-1) is provided with a horn-shaped slag collecting disc (15-4) corresponding to each elastic tentacle (8-5), the slag collecting disc (15-4) comprises two symmetrical halves which are respectively fixed on the two clamping plates (15-3), a horn mouth of the slag collecting disc (15-4) faces the slag collecting pipe (15-2), the wall of the slag collecting pipe (15-2) is provided with a slag collecting port (15-5) with the size of the horn mouth corresponding to the slag collecting disc (15-4), the slag collecting disc (15-4) is correspondingly inserted into the slag collecting port (15-5) by sliding along the radius direction of the cross section of the centrifugal roller (8-4) along with the slag collecting clamp (15-1), and the slag collecting port (15-5) is communicated with the inner cavity of the slag collecting pipe (15-2), one end of the slag collecting pipe (15-2) is provided with an air blower (15-8), the air blower (15-8) is fixed on the inward end face of the disc-shaped water distributor (8-1), one end of the slag collecting pipe (15-2) is inserted into an air outlet of the air blower (15-8), a port of the slag collecting pipe (15-2) and the air outlet of the air blower (15-8) rotate relatively, a heating wire (15-9) is arranged at the front end of the air blower (15-8), the other end, namely a slag discharging end, of the slag collecting pipe (15-2) extends into an external slag collecting box (15-6), and the slag discharging end surrounds the wall of the slag collecting pipe (15-2) to form a divergent slag discharging hole (15-7).

8. The water purifying device of the drinking water purifying self-cleaning method according to claim 4, characterized in that: the cold and hot water system (6) comprises a pure water tank (6-1), a hot water tank (6-2) and a cold and hot water pipe system (6-3), the pure water tank (6-1) is communicated with the water outlet end of the compressed activated carbon filter element (5), the pure water tank (6-1) is communicated with the hot water tank (6-2) through a water pipe and a water pump, and the pure water tank (6-1) and the hot water tank (6-2) are communicated with a cold and hot water outlet (7-1) of the water taking end (7) through the cold and hot water pipe system (6-3).

9. The water purifying device of the drinking water purifying self-cleaning method according to claim 8, characterized in that: the activated carbon regeneration system (9) comprises a steam channel (9-1) arranged in the outer wall of the activated carbon accommodating cavity (12), the air inlet end of the steam channel (9-1) is communicated with the hot water tank (6-2) through a gas collecting pipe (9-2), an air stop valve is arranged at the communication position of the gas collecting pipe (9-2) and the hot water tank (6-2), a steam pressure valve is arranged on the upper end face of the hot water tank (6-2), the steam channel (9-1) exhausts through a steam ejector pin (16), and the steam ejector pin (16) is uniformly distributed on the arc-shaped bottom face of the activated carbon accommodating cavity (12).

10. The water purifying device of the drinking water purifying self-cleaning method according to claim 9, characterized in that: the steam thimble (16) comprises a mesh-shaped annular air outlet (16-1), a pressure valve is arranged at the center of the annular air outlet (16-1), the pressure valve comprises a guide pipe (16-2) and a valve block (16-3), the guide pipe (16-2) is fixedly arranged at the center of the annular air outlet (16-1), the valve block (16-3) is arranged in the guide pipe (16-2) in a sliding manner, the part of the valve block (16-3) extending out of the guide pipe (16-2) is in a pointed cone shape, an annular sealing cover (16-3) is arranged at the root of the pointed cone shape, and the annular sealing cover (16-3) is attached to the surface of the annular air outlet (16-1); and a vibration element is arranged in the pointed cone part.

Technical Field

The invention relates to the field of water purification, in particular to a drinking water purification self-cleaning method and a drinking water purification device.

Background

Common purifier generally connects to and comes the water pipe use again, belongs to furniture electrical apparatus commonly used, can make the user drink clean healthy pure water again at home, along with the continuous development of society, the continuous promotion of people's happiness sense, people pursue high-quality of life more, craving more convenient, the purifier of more intelligence for people can be in the open air, also can drink clean healthy pure water again during the trip.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides a drinking water purification self-cleaning method and a drinking water purification device, which are convenient to carry and have good water purification and self-cleaning capabilities.

The technical scheme is as follows: in order to achieve the purpose, the invention discloses a drinking water purifying and self-cleaning method and a water purifying device thereof, which comprise the following steps:

the water purification step comprises:

firstly, introducing raw water into a raw water tank, and pumping the raw water in the raw water tank into a pretreatment system through a water pump;

the second step, raw water is pretreated: raw water passes through a pre-filter element and then passes through activated carbon in the pretreatment system;

and a third step of finely filtering the pretreated water: reducing the total soluble solids in the water by passing the pretreated water through a reverse osmosis membrane component;

step four, optimizing the outlet water taste: the finely filtered water is led to pass through a compressed activated carbon filter element;

step five, pure water with any water temperature can be obtained at the water taking end: firstly, pumping a part of purified water with optimized taste, heating the purified water through a hot water tank, controlling the flow of cold and hot water through an adjusting valve, and then conveying the purified water to the water taking end through a cold and hot water pipe system;

the self-cleaning step comprises:

the first step, it is right through large granule impurity separation device leading filter core prevents blockking up the washing: firstly, preventing large-particle impurities from settling and accumulating on the surface of the preposed filter element through continuous stirring to avoid blockage, then carrying away the large-particle impurities suspended in water through water flow, then separating the large-particle impurities from the water through centrifugal force, finally winding, adsorbing and fixing the large-particle impurities through an adsorbent, separating the large-particle impurities from the adsorbent through clamping, gathering and collecting the large-particle impurities, finally quickly drying and gathering the large-particle impurities into a pile through strong hot air, and returning the separated water to the raw water tank;

and a second step of restoring the adsorption capacity of the activated carbon by an activated carbon regeneration system: at the same time, the water vapor is utilized,

shaking and physical impact to dredge the gap of the active carbon and restore the adsorption capacity of the active carbon.

Further, the water vapor required by the activated carbon regeneration system is supplied by the water vapor generated when the hot water is fired by the cold and hot water system;

the large-particle impurity separation device is internally added with a flocculating agent to adsorb large-particle impurities and coagulate the large-particle impurities into floccules, and then the floccules are collected by the large-particle impurity collection device.

The raw water tank is vertically arranged on one side of the water purifying device, a water inlet with a cover is arranged at the upper end of the raw water tank, the raw water tank is communicated with a water inlet end of the pretreatment system through a vertical water pipe extending to the bottom of the raw water tank and a water suction pump, a filtrate outlet at the lower end of the pretreatment system is sequentially connected with the reverse osmosis membrane component and the compressed activated carbon filter element in series to form a water purifying passage, a water outlet end of the water purifying passage, namely the water outlet end of the compressed activated carbon filter element, is communicated with the cold and hot water system, and the cold and hot water system is correspondingly communicated with a cold and hot water outlet of the water taking end through a cold and hot water pipe;

the sediment outflow mouth of pretreatment systems pass through return bend and water pump communicate in large granule impurity separator, large granule impurity separator's play water end pass through the return bend communicate in former water tank, pretreatment systems and large granule impurity separator establishes ties in proper order and forms large granule impurity separation return circuit.

Furthermore, the pretreatment system comprises a preposed filter element, the preposed filter element comprises a filter element body, the filter element body is horizontally placed in a cylindrical shape, one end of the filter element body extends into the original water tank, namely the water inlet end, filter holes are uniformly formed in the cylindrical surface of the lower half part of the other end of the filter element body, the inner cavity of the filter element body is communicated with an active carbon accommodating cavity through the filter holes, the active carbon accommodating cavity is wrapped outside the filter element body in a U shape, openings at two ends of the active carbon accommodating cavity extend upwards to the upper end surface of the shell of the water purifier, a slope-shaped water outlet, namely the filtrate outlet, is formed in the lowest end of the active carbon accommodating cavity, and the filtrate outlet is connected to the water inlet of the reverse osmosis membrane module; the filter element body is far away from the end face center of one end of the water inlet end, the slag discharging opening is formed in the end face center of one end of the water inlet end, and a water stop valve is arranged at the slag discharging opening.

Further, the inner cavity of the filter element body is internally provided with a stirring water pushing device, the stirring water pushing device is horizontally arranged at the central axis position of the inner cavity of the filter element body, the stirring water pushing device is driven to rotate by a power device arranged on the end face of the water inlet end, the stirring water pushing device comprises a central rotating shaft horizontally arranged, the surface of the central rotating shaft is provided with a spiral water pushing groove, a stirring brush is arranged at a protruding part between the spiral water pushing grooves, the stirring brush surrounds the surface of the central rotating shaft, the stirring brush is arranged by dispersing elastic brush hairs, and the top end of the elastic brush hairs is contacted with the inner cavity wall of the filter element body.

Furthermore, the large granular impurity separation device comprises a disc-shaped water distributor communicated with the slag discharge port, the disc-shaped water distributor is fixedly arranged on the inner wall of one side of the shell of the large granular impurity separation device, a water distribution port which is dispersed to the periphery is arranged on the annular arc surface of the disc-shaped water distributor in a surrounding manner, the disc-shaped water distributor is communicated with the inner cavity of the centrifugal drum through the water distribution port, the centrifugal drum is horizontally arranged, one end of the centrifugal drum is sleeved in the annular groove on the surface of the disc-shaped water distributor, the other end of the centrifugal drum is driven to rotate by a power device arranged on the outer wall of one side of the shell far away from the disc-shaped water distributor, filter holes are uniformly arranged on the wall of the centrifugal drum, elastic tentacles are arranged among the filter holes in an alternating manner, the elastic tentacles are linearly arranged in groups along the axial direction of the centrifugal drum, and a plurality of groups of the elastic tentacles are arranged on the inner wall of the centrifugal drum in a surrounding manner, the centrifugal roller inner chamber sets up large granule impurity collection device along the central axis direction is fixed, centrifugal roller sets up in the filtrating intracavity, the filtrating chamber pass through the pipe communicate in raw water tank.

Furthermore, the large-particle impurity collecting device comprises a slag collecting clamp and a slag collecting pipe, wherein the slag collecting clamp is arranged corresponding to each group of elastic tentacles, the slag collecting pipe is horizontally arranged on the central axis, two ends of the slag collecting clamp are arranged in a sliding rail in a sliding mode along the radius direction of the cross section of the centrifugal roller through sliding blocks, a plurality of groups of slag collecting clamps gather together from the inner wall of the centrifugal roller to the slag collecting pipe, the slag collecting clamp comprises two clamping plates which move relatively, the two clamping plates are respectively positioned on two sides of the elastic tentacles of the corresponding group, two ends of each clamping plate are arranged in sliding grooves in the surfaces of the sliding blocks in a sliding mode, and the clamping plates are driven to move oppositely through pull rod oil cylinders arranged at two ends of each sliding groove;

the slag collecting clamp is provided with horn-shaped slag collecting discs corresponding to each elastic tentacle, each slag collecting disc comprises two symmetrical halves which are respectively fixed on the two clamping plates, the horn mouth of each slag collecting disc faces the slag collecting pipe, the wall of each slag collecting pipe is provided with a slag collecting port with the horn mouth size corresponding to the slag collecting disc, the slag collecting discs are correspondingly inserted into the slag collecting ports by sliding along the radial direction of the cross section of the centrifugal roller along the slag collecting clamp, the slag collecting ports are communicated with the inner cavity of the slag collecting pipe, one end of the slag collecting pipe is provided with a blower, the blower is fixed on the inward end surface of the disc-shaped water distributor, one end of the slag collecting pipe is inserted into the air outlet of the blower, the port of the slag collecting pipe and the air outlet of the blower rotate relatively, the front end of the blower is provided with a heating wire, and the other end of the slag collecting pipe, namely the slag discharging end, extends to the slag collecting tank, and the slag outlet end is surrounded on the pipe wall of the slag collecting pipe and is provided with a divergent slag outlet.

Furthermore, the cold and hot water system includes pure water case, hot-water tank and cold and hot water piping system, the pure water case communicate in the play water end of compressed activated carbon filter core, the pure water case lead to pipe and water pump communicate in the hot-water tank, pure water case and the hot-water tank pass through cold and hot water piping system communicate in the cold and hot water export of water intaking end.

Furthermore, the activated carbon regeneration system comprises a steam channel arranged in the outer wall of the activated carbon holding cavity, the air inlet end of the steam channel is communicated with the hot water tank through an air collecting pipe, an air stop valve is arranged at the communication position of the air collecting pipe and the hot water tank, a steam pressure valve is arranged on the upper end surface of the hot water tank, the steam channel exhausts through a steam thimble, and the steam thimbles are uniformly distributed on the arc-shaped bottom surface of the activated carbon holding cavity.

Furthermore, the steam thimble comprises a mesh-shaped annular air outlet, a pressure valve is arranged at the center of the annular air outlet, the pressure valve comprises a guide pipe and a valve block, the guide pipe is fixedly arranged at the center of the annular air outlet, the valve block is arranged in the guide pipe in a sliding manner, the part of the valve block extending out of the guide pipe is in a pointed cone shape, an annular sealing cover is arranged at the root of the pointed cone-shaped part, and the annular sealing cover is attached to the surface of the annular air outlet; and a vibration element is arranged in the pointed cone part.

Has the advantages that: according to the drinking water purification self-cleaning method and the drinking water purification device, the raw water tank is arranged, so that raw water can be stored and is convenient to carry, and the drinking water purification self-cleaning device is suitable for short-term outgoing or vehicle-mounted use; the large-particle impurity separation device is arranged, so that large-particle substances in water can be intensively separated out, and the blockage in the device is avoided; be provided with active carbon regenerating unit, can accomplish regeneration process by oneself, need not carry out extra regeneration treatment specially, effectively reduce the change frequency of active carbon.

Drawings

FIG. 1 is a schematic diagram of a water purification apparatus;

FIG. 2 is a front sectional view of the water purifying apparatus;

FIG. 3 is a side sectional view of the pretreatment system;

FIG. 4 is a front cross-sectional view of the pretreatment system;

FIG. 5 is a front sectional view of the large particle impurity separating apparatus;

FIG. 6 is a view of a part of a large-particle impurity collecting apparatus;

FIG. 7 is a diagram of a hot and cold water system;

fig. 8 is a structural view of a steam thimble.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

The self-cleaning method for purifying drinking water and the water purifying device thereof as shown in the attached figure 1 comprise the following steps:

the water purification step comprises:

firstly, raw water is introduced into a raw water tank 1, and then the raw water in the raw water tank 1 is pumped into a pretreatment system 2 through a water pump;

the second step, raw water is pretreated: raw water firstly passes through a preposed filter element 3 and then passes through activated carbon in the pretreatment system 2;

and a third step of finely filtering the pretreated water: the pretreated water passes through a reverse osmosis membrane component 4 to reduce the total soluble solids in the water;

step four, optimizing the outlet water taste: the finely filtered water is led to pass through a compressed activated carbon filter element 5;

fifth step, pure water of any water temperature can be obtained at the water taking end 7: firstly, a part of purified water with optimized taste is pumped and heated through a hot water tank 6-2, the flow rate of cold and hot water is controlled through an adjusting valve, and then the purified water is conveyed to a water taking end 7 through a cold and hot water pipe system 6-3;

the self-cleaning step comprises:

the first step, the front filter element 3 is cleaned by blocking prevention through a large particle impurity separation device 8:

firstly, preventing large-particle impurities from settling and accumulating on the surface of the preposed filter element 3 through continuous stirring to avoid blockage, then carrying away the large-particle impurities suspended in water through water flow, then separating the large-particle impurities from the water through centrifugal force, finally winding, adsorbing and fixing the large-particle impurities through an adsorbent, separating the large-particle impurities from the adsorbent through clamping, then gathering and collecting the large-particle impurities, and finally quickly drying and gathering the large-particle impurities into a pile through strong hot air, wherein the separated water flow is conveyed to the raw water tank 1;

and a second step of restoring the adsorption capacity of the activated carbon by an activated carbon regeneration system 9: meanwhile, the gaps of the activated carbon are dredged by using water vapor, vibration and physical impact, so that the adsorption capacity of the activated carbon is recovered.

The water vapor required by the activated carbon regeneration system 9 is supplied by the water vapor generated when the hot water is fired by the cold and hot water system 6;

large-particle impurities are adsorbed by adding a flocculating agent in the large-particle impurity separation device 8 and coagulated into floccules, and then are collected by the large-particle impurity collection device 15.

The water purifying device as shown in fig. 2-3 includes the raw water tank 1, the raw water tank 1 is vertically disposed on one side of the water purifying device, a water inlet 1-1 with a cover is disposed at an upper end of the raw water tank 1, the raw water tank 1 is communicated with a water inlet 2-1 of the pre-treatment system 2 through a vertical water pipe extending to a bottom of the water tank and a water pump, a filtrate outlet 2-2 at a lower end of the pre-treatment system 2 is sequentially connected in series with the reverse osmosis membrane module 4 and the compressed activated carbon filter element 5 to form a water purifying passage 10, a water outlet of the water purifying passage 10, i.e., a water outlet of the compressed activated carbon filter element 5, is communicated with the cold and hot water system 6, the cold and hot water system 6 is communicated with a cold and hot water outlet of the water taking end 7 through a cold and hot water pipe, a common water purifying device generally obtains raw water through a tap water pipe, and has certain limitations, the water tank can store a certain amount of raw water, and can be used in places far away from a fixed water source tap water pipe, such as short-distance family travel picnic, vehicle-mounted water purifying devices and the like, and the device is compact in structure and convenient to carry;

the cinder notch 2-3 of pretreatment systems 2 through return bend and water pump communicate in large granule impurity separator 8, large granule impurity separator 8's play water end through the return bend communicate in former water tank 1, pretreatment systems 2 and large granule impurity separator 8 establishes ties in proper order and forms large granule impurity separation return circuit 11, concentrates the large granule material of aquatic through large granule impurity separator and separates out the processing, avoids causing the jam inside the device, makes and is keeping good 1 operating condition throughout, has protected inside filter element and water pump, has improved the life of equipment.

The pretreatment system 2 shown in fig. 4 comprises a front filter element 3, the front filter element 3 comprises a filter element body 3-1, the filter element body 3-1 is horizontally arranged in a cylindrical shape, one end of the filter element body 3-1 extends into the original water tank 1, namely the water inlet end 2-1, the lower half cylindrical surface at the other end of the filter element body 3-1 is uniformly provided with filter holes, the inner cavity of the filter element body 3-1 is communicated with the active carbon holding cavity 12 through the filter holes, the active carbon containing cavity 12 is wrapped outside the filter element body 3-1 in a U shape, openings at two ends of the active carbon containing cavity 12 extend upwards to the upper end surface of the shell 13 of the water purifier, the lowest end of the active carbon accommodating cavity 12 is provided with a slope-shaped water outlet, namely the filtrate outlet 2-2, and the filtrate outlet 2-2 is connected with the water inlet of the reverse osmosis membrane component 4; the center of the end face of one end of the filter element body 3-1, which is far away from the water inlet end 2-1, is provided with the slag discharge port 2-3, and a water stop valve is arranged at the position of the slag discharge port 2-3;

the filtering at each stage is sequentially arranged from top to bottom, and the filtering is performed step by step under the action of pressure difference and gravity, and the filtering liquid filtered by the activated carbon can be more easily gathered at the filtering liquid outlet at the bottom by the U-shaped activated carbon accommodating cavity; the water stop valve is arranged at the slag discharge port 2-3, so that the large particle impurity separation device can work intermittently.

A stirring water pusher 14 is arranged in the inner cavity of the filter element body 3-1, the stirring water pusher 14 is horizontally arranged at the central axis position of the inner cavity of the filter element body 3-1, the stirring water pusher 14 is driven to rotate by a power device arranged on the end surface of the water inlet end 2-1, the stirring water pusher 14 comprises a central rotating shaft 14-1 which is horizontally arranged, a spiral water pushing groove 14-2 is arranged on the surface of the central rotating shaft 14-1, a stirring brush 14-3 is arranged at the convex part between the spiral water pushing grooves 14-2, the stirring brush 14-3 is arranged around the surface of the central rotating shaft 14-1, the stirring brush 14-3 comprises elastic bristles 14-4 which are divergently arranged, and the top ends of the elastic bristles 14-4 are contacted with the inner cavity wall of the filter element body 3-1;

play the effect of preventing blockking up: utilize the stirring brush when following the rotation of center pivot, the filtration pore is drawn to stirring brush hair point end, the long-grained impurity that has taken the deposition, simultaneously the stirring brush plays the effect of stirring for the long-grained impurity who has taken keeps the state of suspension throughout, the jam that the long-grained impurity deposition caused has been avoided, the spiral on center pivot surface pushes away the basin when following the rotation of center pivot, make near being close to center pivot formation spiral vortex, the velocity of flow is fast, the water pressure is low, can adsorb the long-grained impurity that suspends in aqueous when promoting rivers and moving forward, long-grained impurity is under the drive of spiral rivers, the propelling movement goes out the cinder notch.

As shown in the attached figure 5, the large particle impurity separation device 8 comprises a disc-shaped water distributor 8-1 communicated with the slag discharge port 2-3, the disc-shaped water distributor 8-1 is fixedly installed on the inner wall of one side of a shell 8-2 of the large particle impurity separation device 8, a water distribution port 8-3 which is dispersed to the periphery is arranged on the annular arc surface of the disc-shaped water distributor 8-1 in a surrounding manner, the disc-shaped water distributor 8-1 is communicated with the inner cavity of a centrifugal roller 8-4 through the water distribution port 8-3, the centrifugal roller 8-4 is horizontally arranged, one end of the centrifugal roller 8-4 is sleeved in an annular groove on the surface of the disc-shaped water distributor 8-1, the other end of the centrifugal roller 8-4 is driven to rotate by a power device installed on the outer wall of one side, far away from the disc-shaped water distributor 8-1, of the shell 8-2, filter holes are uniformly formed in the wall of the centrifugal roller 8-4, elastic tentacles 8-5 are inserted and arranged among the filter holes, the elastic tentacles 8-5 are linearly arranged in groups along the axial direction of the centrifugal roller 8-4, a plurality of groups of the elastic tentacles 8-5 are arranged around the inner wall of the centrifugal roller 8-4, a large-particle impurity collecting device 15 is fixedly arranged in the inner cavity of the centrifugal roller 8-4 along the central axial direction, the centrifugal roller 8-4 is arranged in a filtrate cavity 8-6, and the filtrate cavity 8-6 is communicated with the raw water tank 1 through a conduit;

make large granule impurity condense into the flocculus through adding the flocculating agent, when centrifuge drum's rotation, utilize centrifugal force to make the filtrating thrown away, and the elastic tentacle swings in the centrifuge drum intracavity for the flocculus solid impurity twines on the elastic tentacle.

The large particle impurity collecting device 15 shown in figure 6 comprises slag collecting clamps 15-1 arranged corresponding to each group of the elastic tentacles 8-5 and slag collecting pipes 15-2 horizontally arranged on the central axis, the two ends of the slag collecting clamp 15-1 are arranged in a slide rail in a sliding way along the radius direction of the cross section of the centrifugal roller 8-4 through slide blocks, a plurality of groups of slag collecting clamps 15-1 gather to move from the inner wall of the centrifugal roller 8-4 to the slag collecting pipe 15-2, the slag collecting clamp 15-1 comprises two clamping plates 15-3 which move relatively, the two clamping plates 15-3 are respectively positioned at two sides of the elastic tentacles 8-5 of the corresponding group, the two ends of the clamping plate 15-3 are slidably arranged in the sliding grooves on the surfaces of the sliding blocks and are driven to move oppositely by pull rod oil cylinders arranged at the two ends of the sliding grooves;

a horn-shaped slag collecting disc 15-4 is arranged on the slag collecting clamp 15-1 corresponding to each elastic tentacle 8-5, the slag collecting disc 15-4 comprises two symmetrical halves which are respectively fixed on the two clamping plates 15-3, a horn mouth of the slag collecting disc 15-4 faces the slag collecting pipe 15-2, a slag collecting opening 15-5 with the size of the horn mouth is arranged on the pipe wall of the slag collecting pipe 15-2 corresponding to the slag collecting disc 15-4, the slag collecting disc 15-4 is correspondingly inserted into the slag collecting opening 15-5 by sliding along the radial direction of the cross section of the centrifugal drum 8-4 along with the slag collecting clamp 15-1, the slag collecting opening 15-5 is communicated with the inner cavity of the slag collecting pipe 15-2, one end of the slag collecting pipe 15-2 is provided with a blower 15-8, the air blower 15-8 is fixed on the inward end surface of the disc-shaped water distributor 8-1, one end of the slag collecting pipe 15-2 is inserted into the air outlet of the air blower 15-8, the port of the slag collecting pipe 15-2 rotates relative to the air outlet of the air blower 15-8, the front end of the air blower 15-8 is provided with a heating wire 15-9, the other end, namely a slag discharging end, of the slag collecting pipe 15-2 extends into an external slag collecting box 15-6, and the slag discharging end surrounds the pipe wall of the slag collecting pipe 15-2 and is provided with a divergent slag discharging hole 15-7;

the slag collecting process and the solid-liquid separation process are not carried out simultaneously, the water stop valve is closed before slag collection is started, no new water enters, then the original water is dried through the centrifugal drum, the centrifugal drum stops rotating after drying, then the two clamping plates are pushed to clamp the root of the elastic tentacle through the pull rod oil cylinders in the sliding blocks at the two ends in a relative motion mode, then a plurality of groups of slag collecting clamps are pushed to slide along the track through the pull rod oil cylinders, the flocculent impurities wound on the elastic tentacle are driven to be accumulated in the slag collecting disc and finally completely separated from the elastic tentacle, the flocculent impurities are continuously pushed to enter a slag collecting port through the slag collecting disc, and at the moment, strong wind generated by the air blower at one end of the slag collecting tube carries heat generated by the heating wire to rapidly dry and blow the flocculent impurities in the slag collecting end to the slag discharging end, and then the flocculent impurities are blown into the slag collecting box from the divergence slag discharging port, and when all flocculent impurities in the slag collecting pipe are removed, the slag collecting disc exits from the slag collecting port, and meanwhile, the two clamping plates are driven to be separated through the pull rod oil cylinder and move to the root of the elastic tentacle again along the track.

As shown in fig. 7, the hot and cold water system 6 includes a pure water tank 6-1, a hot water tank 6-2 and a hot and cold water pipe system 6-3, the pure water tank 6-1 is connected to the water outlet of the compressed activated carbon filter element 5, the pure water tank 6-1 is connected to the hot water tank 6-2 through a water pipe and a water pump, and the pure water tank 6-1 and the hot water tank 6-2 are connected to the hot and cold water outlet 7-1 of the water taking end 7 through the hot and cold water pipe system 6-3.

The activated carbon regeneration system 9 shown in fig. 2-3 includes a steam channel 9-1 disposed in the outer wall of the activated carbon accommodating cavity 12, an air inlet end of the steam channel 9-1 is communicated with the hot water tank 6-2 through an air collecting pipe 9-2, an air stop valve is disposed at a communication position of the air collecting pipe 9-2 and the hot water tank 6-2, a steam pressure valve is disposed on an upper end surface of the hot water tank 6-2, the steam channel 9-1 exhausts through steam thimbles 16, and the steam thimbles 16 are uniformly distributed on the arc-shaped bottom surface of the activated carbon accommodating cavity 12; the air stop valve is closed in the water purification process, so that the sewage is prevented from flowing back into the hot water tank to cause pollution, meanwhile, the steam in the tank is released through the steam pressure valve, and the shell of the water purification device is also provided with a vent for removing the steam.

As shown in fig. 8, the steam thimble 16 includes a mesh-shaped annular air outlet 16-1, a pressure valve is disposed at the center of the annular air outlet 16-1, the pressure valve includes a guide tube 16-2 and a valve block 16-3, the guide tube 16-2 is fixedly disposed at the center of the annular air outlet 16-1, the valve block 16-3 is slidably disposed in the guide tube 16-2, a portion of the valve block 16-3 extending out of the guide tube 16-2 is in a taper shape, an annular sealing cover 16-3 is disposed at a root of the taper shape, and the annular sealing cover 16-3 is attached to the surface of the annular air outlet 16-1; a vibration element is arranged in the pointed cone part;

before the activated carbon is regenerated, the water inlet process is finished firstly, after liquid in the activated carbon accommodating cavity is drained, the air stop valve is opened, the activated carbon regeneration is started, in the activated carbon regeneration process, because the pressure in the water vapor channel is continuously changed, and the critical value of the pressure valve block pushed open is wandering up and down, after the valve block is pushed open, under the action of gravity and the downward pressure of the activated carbon above, the valve block is restored to the original position, so that the valve block in the shape of the pointed cone keeps a bouncing state, meanwhile, when the valve block is pushed open, the annular sealing cover leaves the annular air outlet, water vapor is sprayed out from the annular air outlet, the water vapor passes through the activated carbon gap, and the good dredging function is achieved by matching the bouncing of the valve block in the shape of the pointed cone and the vibration of the vibration element, so that the activated carbon can restore the adsorption capacity.

The foregoing is a description of the preferred embodiments of the present invention and it will be apparent to those skilled in the art that certain changes and modifications may be made without departing from the principles of the invention and that such changes and modifications are to be considered as within the scope of the invention.