CN111888836B - Side filtering system for filtering impurities in water - Google Patents

Abstract

The invention discloses a side filtering system for filtering impurities in water, which comprises a water filtering tank and a sedimentation tank arranged on the outer side wall of the water filtering tank, wherein a first water inlet hole is formed in the upper side wall of the water filtering tank, a first water outlet pipe is arranged at the bottom of the water filtering tank, a first through hole is formed in the side wall of the water filtering tank, a second through hole matched with the first through hole is formed in the side wall of the sedimentation tank, a rotating shaft is arranged on one side, close to the water filtering tank, of the sedimentation tank along the vertical horizontal direction, a foldable filter assembly is arranged on the side wall of the rotating shaft, the filter assembly is positioned in the water filtering tank in an initial state, the filter assembly is completely unfolded and seals the cross section of the water filtering tank, and when the side filtering system is used, the part, positioned in the water filtering tank, is folded towards the direction close to the sedimentation tank. Compared with the prior art, the side filtering system provided by the invention has the advantages that the foldable filtering component is arranged, and impurities deposited on the filtering component are transferred into the settling tank, so that the influence of the deposition of the impurities on the filtering component on the filtering effect is avoided.

Description

Side filtering system for filtering impurities in water

Technical Field

The invention relates to a side filtering system, in particular to a side filtering system for filtering impurities in water.

Background

At present, heat generated in the running process of equipment in industrial production mainly adopts a circulating water cooling mode, and a large amount of suspended substances exist in the running process of a circulating water system, especially cooling water, so that the heat exchange function is seriously affected. Wherein, due to the entry of dust and sundries in the air, the daily cooling treatment can cause the falling and dispersion of partial scale, rust scale and microorganism slime, and the turbidity of water quality can be caused. Because of the small solubility of various impurities in water, a bypass quartz sand filter is generally arranged on a system pipeline for filtering. The side filtering is not to install the filter on the main circulation pipeline, to filter all the circulating water once, but to draw out a part of circulating water filtering on the main circulation pipeline, which filters the impurities in the system by gradual repeated cycle interception, and finally removes the impurities out of the system by necessary back flushing.

The existing side filtering device directly filters impurities in cooling water by using a filter, and the filter of the side filtering device is deposited with impurities after long-time use due to large water quantity of the cooling water, so that filtering holes are blocked, the filtering effect is reduced, and if the impurities in the filter are to be cleaned, the filtering structure in the filter is required to be taken out for cleaning, so that the operation is complex.

Disclosure of Invention

The invention aims to overcome the defect that impurities are easy to deposit after long-term use in the side filtering device in the prior art, so that the filtering effect is poor, and provides a side filtering system for filtering impurities in water.

The aim of the invention is mainly realized by the following technical scheme:

the utility model provides a side filtration system of aquatic impurity filters, including the filter tank and set up the precipitation tank on the filter tank lateral wall, it has first inlet opening to open at the filter tank upper side wall, be equipped with first outlet pipe in the filter tank bottom, it has first through-hole to open on the filter tank lateral wall, it has the second through-hole that matches with first through-hole to open on the lateral wall of precipitation tank, be equipped with the pivot along vertical horizontally's direction in one side that the precipitation tank is close to the filter tank, be equipped with folding filter unit on the pivot lateral wall, filter unit is located the filter tank under the initial condition, filter unit spreads out completely and carry out the shutoff to the filter tank cross section, the pivot rotates and drives filter unit and run through first through-hole and second through-hole during the use, make filter unit part in the precipitation tank is arranged in to be close to the precipitation tank direction folding.

The existing side filtering device generally utilizes a filter to directly filter impurities in cooling water, and the filter of the side filtering device is deposited in the filter after being used for a long time due to large water quantity of the cooling water, so that particularly a filtering hole is blocked, the filtering effect is reduced, if the impurities in the filter are to be cleaned, a filtering structure in the filter is required to be taken out for cleaning, and the operation is complex. In order to enable a side filtering device to keep stable filtering effect in long-term use, the labor amount for cleaning a filtering structure in a filter is reduced, a sedimentation tank communicated with the side filtering system is arranged on the side wall of a filtering tank, the filtering structure in the filtering tank is arranged as a fan-shaped unfolded filtering component, the filtering component is located in the filtering tank in an initial state, the filtering component is in a fan-shaped unfolded state, after cooling water enters the filtering tank from a first water inlet, the cooling water flows onto the filtering component, solid impurities in the water are trapped on the filtering component, after the filtering component is used for a period of time, the deposited solid impurities on the filtering component are increased, the filtering component is locally placed in the sedimentation tank by utilizing rotation of a rotating shaft, the filtering component is folded, the solid impurities on the filtering component are gradually pushed into the sedimentation tank by utilizing the folding process of the filtering component, the fan-shaped unfolded structure is generally composed of a plurality of fan-shaped subunits, the lower surface of the fan-shaped subunit on the upper layer can be in contact with the upper surface of the fan-shaped subunit on the fan-shaped subunit when the fan-shaped filtering component is folded, the deposited impurities on the fan-shaped impurities can be prevented from being pushed onto the upper surface of the sedimentation tank by utilizing the fan-shaped subunit, and the deposited impurities can be prevented from being pushed onto the upper surface of the sedimentation tank by utilizing the fan-shaped unit.

It should be noted that, in this technical scheme, rotation of the rotating shaft and folding and unfolding of the folding assembly can all be through conventional technical means, set up the motor in the rotating shaft and make the rotating shaft drive the filter assembly to rotate to the filter assembly part and place in the sedimentation tank, the folding assembly of rethread motor control is folding. After the filter component is folded in the technical scheme, the motor controls the folding component to be unfolded, and the rotating shaft drives the filter component to reset to the water filtering tank for filtering again. The side filtering system of this technical scheme is in the use, and folding subassembly rotates and when folding, and the water liquid level after filtering in the filter tank is located the filter module below, avoids folding subassembly to rotate and folding in-process rivers undulant impurity on the leading to the filter module to fall in water once more. Preferably, the fan-shaped filter assembly is arranged horizontally, and the cross section of the filter tank is matched with the shape of the fan-shaped filter assembly. Preferably, a first filter screen is further arranged in the filter tank, and the first filter screen is positioned below the filter assembly.

Further, the filter assembly comprises a plurality of filter units consisting of a first rotary drum and a fan-shaped filter screen, the end part of the fan-shaped filter screen is fixed on the outer side wall of the first rotary drum, the plurality of first rotary drums are axially sleeved on the rotary shaft along the rotary shaft, the rotary shaft is parallel to the axis of the first rotary drum, a third annular sliding groove is formed in the inner side wall of the first rotary drum along the circumferential direction of the first rotary drum, a first telescopic rod is arranged on the side wall of the rotary shaft, a second sliding block sliding along the third annular sliding groove is arranged at the end part of the first telescopic rod, external teeth are arranged on the side wall of the first telescopic rod along the circumferential direction of the rotary shaft, a toothed belt matched with the external teeth is arranged on the inner side wall of the first rotary drum along the circumferential direction of the first rotary drum, an arc-shaped sliding groove is arranged at one end of the toothed belt, a first sliding block sliding along the arc-shaped sliding groove is arranged at the bottom of the movable teeth, and a first spring is arranged between the side wall of the first sliding block and the end part of the arc-shaped sliding groove; when the filter component is changed into a folding state from a tiling state, the rotating shaft rotates to enable the fan-shaped filter screen to approach the sedimentation tank until the external teeth are matched with the movable teeth on each first rotary drum, so that the movable teeth drive the first sliding blocks to extrude the first springs.

Because the side filtering system provided by the technical scheme is used for filtering impurities in water, the filtering component and the rotating shaft of the system can be directly contacted with the water in the using process, and especially the contact surface between the filtering component and the water is extremely large, if a common method is adopted, a plurality of motors are used for respectively driving the filtering component to rotate and move in an unfolding way, a plurality of control structures are required to be installed in the filtering system, and the filtering system is in long-term contact operation with the water, so that water is easy to enter to cause faults and even accidents. In order to solve the problem, the technical scheme only sets the rotating shaft as a unique active rotating structure, namely, the rotation and the unfolding of the filter assembly are realized only by driving the rotating shaft to rotate by a motor, so that the control structure is greatly saved, the long-term contact operation with water is avoided, the water is easy to enter to cause faults, and accidents are even caused. According to the technical scheme, the first rotary drums which are matched with the fan-shaped filter screens one by one are sleeved on the rotary shaft, the first rotary drums are not coaxial with the rotary shaft, and the rotary shaft is eccentrically designed, when the rotary shaft rotates, external teeth of the rotary shaft are only partially matched with external teeth of the first rotary drum, one toothed belt on the first rotary drum is set to be movable teeth, the toothed belt of the first rotary drum is incomplete teeth, the movable teeth are furthest teeth of the first rotary drum from the rotary shaft, when the rotary shaft rotates from one side far away from the movable teeth to the movable teeth of the first rotary drum, on one hand, the rear side of the movable teeth is not matched with the rotary shaft, so that the first rotary drum cannot be matched with the rotary shaft any more, on the other hand, due to the fact that the first sliding block extrudes the first spring, even if the rotary shaft rotates continuously, the first rotary drum cannot be driven to rotate any more, but when the rotary shaft rotates reversely, the first spring drives the external teeth of the first sliding block to be matched with the movable teeth, and can continue to be matched with the toothed belt beside the movable teeth to drive the first rotary drum to reset, and through the arrangement, the rotary shaft is continuously rotated, and only the first rotary drum is driven to rotate at a certain angle by rotating with the rotary drum, and the rotary drum is formed by the rotary drum. According to the technical scheme, through the arrangement of the plurality of first rotary drums, tooth belts with different lengths are arranged in each first rotary drum according to the angle required to rotate each fan-shaped filter screen, when the rotary drum is used, the rotary shaft rotates to enable all the fan-shaped filter screens to rotate towards the direction close to the sedimentation tank until the bottommost fan-shaped filter screen is arranged in the sedimentation tank, the bottommost first rotary drum tooth belts are matched with the outer teeth of the rotary shaft until the outer teeth of the rotary shaft are matched with the movable teeth of the bottommost first rotary drum, the rotary shaft rotates to drive all the first rotary drums except the bottommost first rotary drum to rotate until the bottommost two fan-shaped filter screens are folded, and the like, the rotary shaft continues to rotate to enable all the fan-shaped filter screens to be folded, and in this way, only one precipitate on the fan-shaped filter screens are cleaned by the fan-shaped filter screens folded above each time, so that the sedimentation amount of the plurality of fan-shaped filter screens which are folded and cleaned simultaneously is too large is omitted or dropped is avoided, and the fan-shaped filter screens are cleaned more cleanly.

Further, the bottom surface of any one fan-shaped filter screen is provided with first bristles for cleaning the fan-shaped filter screen below, a scraping plate which extends downwards is arranged on one side, far away from the sedimentation tank, of the fan-shaped filter screen along the fully unfolded fan-shaped direction of the filter assembly, and the bottom of the scraping plate is in contact with the upper surface of the adjacent fan-shaped filter screen below the scraping plate. Only rely on the upper surface of fan-shaped filter screen bottom surface clearance lower floor fan-shaped filter screen, lead to the wearing and tearing of fan-shaped filter screen easily, the cleaning performance is also relatively poor, this technical scheme is through setting up first brush hair and scraper blade to keep away from the one side of sedimentation tank with the scraper blade at fan-shaped filter screen, when two fan-shaped filter screens are folding, the brush hair is earlier followed folding direction and is swept solid precipitation, the scraper blade is scraped remaining impurity on the fan-shaped filter screen again, promotes the cleaning performance to the fan-shaped filter screen through two kinds of cleaning means, avoid impurity deposit to influence the filter effect on filter element.

Further, a brush for cleaning the uppermost fan-shaped filter screen is arranged on the inner side wall of the sedimentation tank, and a dust collector is arranged in the sedimentation tank.

Utilize the unable clearance of folding of filter unit to lie in the precipitate on the fan-shaped filter screen of top, this technical scheme sets up the brush in the precipitation tank, uses the brush to clear up the filter screen of top after filter unit is folding completely to reach the clearance to all filter screens, set up the dust catcher in the precipitation tank in addition, inhale the precipitate that drops or fly away when the clearance is precipitated and also can improve the cleaning efficiency to filter unit greatly. Preferably, the dust collector is provided with a plurality of exhaust openings, part of the exhaust openings are distributed from top to bottom along the axial direction of the rotating shaft, and the part of the exhaust openings is arranged at the bottom of the settling tank, so that impurities deposited on the filter assembly are transferred into the settling tank, and the influence of the deposition of the impurities on the filter assembly on the filter effect is avoided. According to the technical scheme, the rods of the hairbrushes are telescopic rods, when the filtering assembly is changed from a flat state to a folded state, the rods of the hairbrushes are stretched to enable the hairbrushes to be in contact with the upper surface of the uppermost sector filter screen of the filtering assembly, and the hairbrushes are rotated to enable the hairbrushes to clean the uppermost sector filter screen; in addition, the rod of the hairbrush can be arranged in the chute in a sliding way by arranging the fourth chute on the inner side wall of the settling tank, and when the hairbrush is used, the uppermost fan-shaped filter screen is cleaned by sliding the hairbrush along the chute.

Further, be equipped with the third baffle that shelters from the second through-hole on the inside wall of precipitation tank, be equipped with a lead screw respectively in third baffle both sides along vertical horizontal direction, be equipped with respectively on the lateral wall of third baffle both sides with two lead screw complex nuts, every lead screw tip all overlaps to establish in a action wheel, the action wheel rotates and drives the lead screw and rotate during the use, makes the lead screw drive the third baffle and moves up until the second through-hole exposes.

Because open first through-hole and the second through-hole of mutual matching respectively on the lateral wall of filter tank and rose box, when the filter tank filters aquatic impurity, water can get into the rose box from first through-hole and the second through-hole on the lateral wall, lead to the rose box ponding, this technical scheme sets up the third baffle that shelters from the second through-hole, when the filter tank no longer filters water, utilize motor drive action wheel to rotate, make the lead screw drive the third baffle to shift up and make the second through-hole expose, make folding subassembly can get into the rose box in, this technical scheme avoids the rose box ponding through this kind of setting on the one hand, impurity is in the filter tank along with the water reflux, on the other hand avoids the long-term water damage of rose box.

Further, be equipped with a plurality of first baffles and a plurality of first impeller between first inlet port and filter unit, first baffle slope sets up, and first baffle upper end is close to first inlet port axis, and first inlet port axis is kept away from to first baffle lower extreme, and first impeller is located first baffle below, and first baffle will follow the water flow that first inlet port got into when using to drive first impeller rotation.

In order to improve the filter effect of the water filtering tank, the contact surface of the cooling water entering the water filtering tank and the filter assembly is increased, a plurality of first baffles and a plurality of first impellers are arranged in the technical scheme, water is split through the angle arrangement of the plurality of first baffles, and the centrifugal force brought by rotation of the impellers is utilized to further disperse the water.

Further, be equipped with rather than the first inlet tube of intercommunication in first inlet port upside, be equipped with a plurality of first annular spouts along first inlet tube circumference on its inside wall, be equipped with a plurality of and first annular spout one-to-one's rotation board along first inlet tube axial in the intraductal, it has the third through-hole to open on the rotation board, it all is equipped with a second rotary drum that matches with this rotation board to be close to one side of filter tank at arbitrary rotation board along first inlet tube axial, mutually supporting rotation board and second rotary drum pass through a plurality of second spring coupling, second rotary drum both ends are open, be equipped with a plurality of first rotor blades that drive second rotary drum pivoted on second rotary drum inside wall, be equipped with the second brush hair that is used for clearing up first inlet tube inner wall on second rotary drum lateral wall.

Since the solid impurities in the cooling water are generally suspended solid impurities, when the water enters the first water inlet pipe, the impurities in the water are likely to adhere to the inner wall of the first water inlet pipe, so that the impurities cannot be effectively filtered. This technical scheme sets up rotor plate and second rotary drum in first inlet tube, and when cooling water flowed into the filter tank from first inlet tube, the first rotary vane that sets up on the second rotary drum can drive the rotary drum and rotate to make the second brush hair clearance inlet tube inner wall on the second rotary drum lateral wall, avoid impurity adhesion on first inlet tube inner wall, lead to impurity can not be by effective filtration.

Further, a plurality of filtering units are arranged in the first water outlet pipe along the axial direction of the first water outlet pipe, each filtering unit comprises a filter plate, a second annular chute, a pushing groove and a pipeline filter screen which are sequentially arranged along the axial direction of the first water outlet pipe, a plurality of second rotating blades for driving the filter plate to rotate are arranged on one side of the filter plate away from the pipeline filter screen, a third brush hair for cleaning the pipeline filter screen is arranged on one side of the filter plate close to the pipeline filter screen, and a plurality of fourth through holes are formed in the filter plate; the second annular chute is circumferentially arranged on the inner side wall of the first water outlet pipe, a bearing is arranged in the second annular chute, the filter plate is sleeved in the bearing, a third spring is arranged between the bearing and the side wall of the second annular chute, which is far away from the pipeline filter screen, the pushing groove is formed in the side wall of the first water outlet pipe, which is located between the filter plate and the pipeline filter screen, a water receiving tank is arranged below the first water outlet pipe, a first connecting pipe connected with the first water outlet pipe is arranged on the water receiving tank, a fifth through hole communicated with the first connecting pipe is formed in the inner side wall of the pushing groove, a stop block axially sliding along the pushing groove is arranged in the pushing groove, a second telescopic rod is arranged on the side wall of the bearing, which is close to the pipeline filter screen, an arc-shaped rod is arranged at the end part of the stop block, which is far away from the stop block extends to the second telescopic rod, a connecting rod is hinged at the end part of the second telescopic rod, the free end of the connecting rod is hinged to the arc-shaped rod, in an initial state, the side wall of the stop block contacts with the opening end of the fifth through hole, when in use, the water flow drives the filter plate to the pipeline filter screen until the third filter plate contacts with the pipeline filter screen, the third filter brush hair drives the fifth through hole to expose, and the second filter plate to the brush hair to rotate, and the third filter plate rotates to clean the filter screen.

According to the technical scheme, most of impurities in water can be filtered by the water filtering tank, and a plurality of filtering units are arranged on the first water outlet pipe to filter tiny and small amounts of impurities in water, so that the filtering effect is further improved. The technical proposal sets up the filter unit on the first water outlet pipe, avoids the cost increase caused by using too many box-type filter structures, sets up the pipeline filter screen in the first water outlet pipe to intercept and clean the impurity in the water, because the impurity entering the first water outlet pipe after the filtration of the water filtering tank is generally tiny and small amount of impurity, the impurity is extremely easy to adhere on the pipeline filter screen, through setting up rotatable filter plate, when the water flows in the first water outlet pipe class, the filter plate rotates under the drive of the second rotating vane, the third brush hair on the filter plate side can clean the impurity on the pipeline filter screen, the impurity cleaning on the pipeline filter screen can reduce the impurity amount on the pipeline filter screen to avoid the pipeline filter screen to block up and influence the filter effect, but only clean up like this, along with the continuous flow of the water, the impurity content in the pipeline is only caused to be higher and higher, as long as the first water outlet pipe continuously works and the pipeline filter screen can be plugged again, the technical proposal sets a pushing groove, and a fifth through hole communicated with the outside is arranged in the pushing groove, because the filter plate is sleeved in the bearing, when the filter plate rotates under the drive of the second rotating vane, the bearing can not rotate along the second annular chute, the filter plate drives the bearing to push the baffle block to expose the fifth through hole due to the approach of the water flow to the pipeline filter screen, the second rotating vane drives the filter plate to rotate to enable the third brush hair to clean the pipeline filter screen, at the moment, the water in the first water outlet pipe can flow out from the fifth through hole due to the thrust of the water flow, and because the fifth through hole is positioned between the filter plate and the pipeline filter screen, the water containing a large amount of solid impurities between the third brush hair and the pipeline filter screen after the third brush hair cleans the pipeline filter screen can be discharged from the fifth through hole, thereby realizing the cleaning of impurities in the pipeline filter screen, the content of impurities in the first water outlet pipe is also reduced. According to the technical scheme, the third spring is arranged between the bearing and the side wall of the second annular chute, which is far away from the pipeline filter screen, when the filter plate moves towards the direction, which is close to the pipeline filter screen, of the filter plate, the third spring is stretched, and when water in the third pipeline does not flow any more, the third spring resets, and the filter unit resets. It should be noted that, according to the technical scheme, the water at the bottom of the water filtering tank can be pumped out from the first water outlet pipe by arranging the water suction pump at the bottom of the water filtering tank, intermittent movement and resetting of the filtering unit can be realized by arranging the water suction pump, in addition, when water pumping is started, the filter plate moves to enable the baffle plate to move along the pushing groove, but the fifth through hole is not exposed, a certain amount of impurities are deposited on the pipeline filter screen after water pumping for a period of time, and at the moment, the baffle plate also moves to the fifth through hole to be exposed; in addition to the setting method, since the water suction pump is arranged at the bottom of the water filtering tank to pump out water at the bottom of the water filtering tank from the first water outlet pipe, the water is fed into the first pipeline from the water filtering tank, and the impact force of the water towards the pipeline filter screen along the direction of the water filtering tank is increased after the pipeline filter screen is blocked, and the impact force is gradually increased along with the increase of the blocking degree of the pipeline filter screen. It should be noted that, in order to make the connection of the arc rod, the second telescopic rod and the connecting rod not blocked by the side wall of the second annular chute, one side of the second annular chute close to the pushing slot in the technical scheme is communicated with the pushing slot; or a sixth through hole communicated with the pushing groove is formed in the side wall, close to the pushing groove, of the second annular sliding groove, and the arc-shaped rod penetrates through the sixth through hole.

Further, a one-way valve is arranged in the fifth through hole, a vacuum pump is arranged on the upper side of the water receiving tank, a second connecting pipe communicated with the top of the water filtering tank is arranged at the bottom of the water receiving tank, and a water suction pump is arranged at the bottom of the water receiving tank.

According to the technical scheme, the one-way valve is arranged in the fifth through hole, water is prevented from flowing backwards from the first connecting pipe and entering the first water outlet pipe, the vacuum pump is arranged to accelerate the water to enter the first connecting pipe from the first water outlet pipe, after the water is accumulated for a period of time in the water collecting pipe, the water in the water collecting tank is sent into the top of the water filtering tank from the second connecting pipe by the water suction pump in the water collecting tank, and circulation treatment of filtered water is achieved. Preferably, a third filter screen is arranged in the filter tank and is positioned above the second connecting pipe.

Further, still include the fresh water tank, open at the fresh water tank top have with the second inlet opening of first outlet pipe intercommunication, be equipped with the second outlet pipe in the fresh water tank bottom, be equipped with the second filter screen in the fresh water tank, be equipped with a plurality of second baffles and second impeller between second inlet opening and second filter screen, the second baffle slope sets up, and the second baffle upper end is close to second inlet opening axis, second inlet opening axis is kept away from to second baffle lower extreme, the second impeller is located the second baffle below, the second baffle will follow the water flow that the second inlet opening got into during the use to drive the second impeller rotation.

The clean water tank is used for storing filtered clean water, the second filter screen is arranged in the clean water tank to promote the filtering effect, and the second baffle plates and the second impellers are arranged, so that water entering the clean water tank can be uniformly filtered.

In summary, compared with the prior art, the invention has the following beneficial effects:

1. according to the side filtering system, the sedimentation tank communicated with the side filtering tank is arranged on the side wall of the filtering tank, the filtering net structure in the filtering tank is provided with the fan-shaped unfolded filtering component, the filtering component is positioned in the filtering tank in an initial state, the filtering component is in a fan-shaped unfolded state, after cooling water enters the filtering tank from the first water inlet hole, the cooling water flows onto the filtering component, solid impurities in the water are trapped on the filtering component, after the side filtering system is used for a period of time, the solid impurities deposited on the filtering component are increased, the filtering component is locally placed in the sedimentation tank by rotating the rotating shaft, the filtering component is folded, and the solid impurities on the filtering component are gradually pushed into the sedimentation tank by the movable subunits of the folding process of the filtering component, so that the solid impurities deposited on the upper surface of the fan-shaped filtering component are cleaned, and the filtering effect of the filtering component is prevented from being influenced by the impurities deposited on the filtering component.

2. The filter component of the side filter system is only provided with the rotating shaft as a unique active rotating structure, and the multistage first rotating cylinder is sleeved outside the rotating shaft to realize the gradual rotation of the filter component, namely the rotation and the unfolding of the filter component are realized only by driving the rotating shaft to rotate by a motor, so that the control structure is greatly saved, the long-term contact operation with water is avoided, the water is easy to enter to cause faults, and accidents are even caused.

3. The side filtering system is provided with the pipeline filter screen in the first water outlet pipe for intercepting and cleaning impurities in water, the rotatable filter plate is arranged, the impurities on the pipeline filter screen can be cleaned by utilizing the third bristles on the side surface of the filter plate, the impurity cleaning on the pipeline filter screen can reduce the impurity amount on the pipeline filter screen to avoid the influence of the blockage of the pipeline filter screen on the filtering effect, the pushing groove and the fifth through hole are also arranged, and the filter plate is sleeved in the bearing.

Drawings

The accompanying drawings, which are included to provide a further understanding of embodiments of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. In the drawings:

FIG. 1 is a schematic diagram of a side-filtering system for filtering impurities in water;

FIG. 2 is an enlarged schematic view of FIG. 1 at A;

FIG. 3 is an enlarged schematic view of FIG. 1 at B;

FIG. 4 is a top view of the filter assembly when deployed;

FIG. 5 is a side view of the filter assembly when deployed;

FIG. 6 is a side view of the filter assembly when folded;

FIG. 7 is a schematic view of the structure of the shaft and the first drum

FIG. 8 is a schematic view of the structure of the baffle, screw, nut and capstan;

wherein, 1-filter tank, 101-first inlet port, 102-first filter screen, 2-settling tank, 3-spindle, 301-first drum, 302-fan filter screen, 303-external teeth, 304-toothed belt, 305-arc chute, 306-movable teeth, 307-first slider, 308-first spring, 309-first brush, 310-scraper, 201-brush, 202-cleaner, 401-first baffle, 402-first impeller, 5-first inlet tube, 501-rotating plate, 503-third through hole, 504-second drum, 505-first rotating blade, 506-second brush, 507-second spring, 6-first outlet tube, 601-pipe filter screen, 602-filter plate, 603-second rotating blade, 604-third brush, 605-fourth through hole, 606-second annular chute, 607-bearing, 608-pushing groove, 609-fifth through hole, 610-stopper, 611-second telescopic rod, 612-arc rod, connecting rod, 614-second connecting tank, 615-second connecting tube, 506-second impeller, 506-third connecting tube, 507-second filter screen, 604-third filter screen, 703-first water inlet tube, 703-second impeller, 703-second water inlet tube, 703-third filter tube, water inlet tube, and water inlet tube, 703-outlet tube, water inlet tube, and water inlet tube of, and water outlet tube of each of the like, as described above, respectively, and these are described.

Detailed Description

For the purpose of making apparent the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present invention and the descriptions thereof are for illustrating the present invention only and are not to be construed as limiting the present invention.

Example 1:

as shown in fig. 1, this embodiment includes a water filtering tank 1 and a sedimentation tank 2 disposed on the outer sidewall of the water filtering tank 1, a first water inlet 101 is formed on the upper sidewall of the water filtering tank 1, a first water outlet pipe 6 is disposed at the bottom of the water filtering tank 1, a first through hole is formed on the sidewall of the water filtering tank 1, a second through hole matching with the first through hole is formed on the sidewall of the sedimentation tank 2, a rotating shaft 3 is disposed on one side of the sedimentation tank 2, close to the water filtering tank 1, along the vertical and horizontal direction, on the sidewall of the rotating shaft 3, a foldable filter assembly is disposed in the water filtering tank 1 in an initial state, the filter assembly is completely spread and seals the cross section of the water filtering tank 1, and when in use, the rotating shaft 3 rotates to drive the filter assembly to penetrate through the first through hole and the second through hole, so that the filter assembly is partially disposed in the sedimentation tank 2, and the portion of the filter assembly disposed in the water filtering tank 1 is folded toward the direction, close to the sedimentation tank 2. Preferably, the fan-shaped filter element is arranged horizontally, and the cross section of the filter tank 1 is matched with the shape of the fan-shaped filter element. Preferably, a first filter screen 102 is also provided in the filter tank, the first filter screen 102 being located below the filter assembly.

In order to enable the side filtering device to keep stable filtering effect in long-term use, the labor amount for cleaning the filtering structure in the filter is reduced, the sedimentation tank communicated with the side filtering system is arranged on the side wall of the filtering tank, the filtering structure in the filtering tank is arranged as a fan-shaped unfolded filtering component, the filtering component is located in the filtering tank in an initial state, the filtering component is in a fan-shaped unfolded state, after cooling water enters the filtering tank from a first water inlet, the cooling water flows onto the filtering component, solid impurities in the water are trapped on the filtering component, after the filtering component is used for a period of time, the deposited solid impurities on the filtering component are increased, the filtering component is locally placed in the sedimentation tank by utilizing rotation of a rotating shaft, the filtering component is folded, the solid impurities on the filtering component are gradually pushed into the sedimentation tank by utilizing the folding process of the filtering component, the fan-shaped unfolded structure is generally composed of a plurality of fan-shaped subunits, the lower surface of the fan-shaped subunit on the upper layer can be in contact with the upper surface of the fan-shaped subunit on the fan-shaped subunit when the fan-shaped filtering component is folded, the deposited solid impurities can be prevented from being pushed onto the fan-shaped subunit on the upper surface of the sedimentation tank by utilizing the fan-shaped subunit, and the deposited solid impurities can be prevented from being pushed onto the upper surface of the sedimentation tank by utilizing the fan-shaped unit.

Example 2:

as shown in fig. 1 and 4 to 8, this embodiment further includes, in addition to embodiment 1: the filter assembly comprises a plurality of filter units consisting of a first rotary drum 301 and a fan-shaped filter screen 302, wherein the end parts of the fan-shaped filter screen 302 are fixed on the outer side wall of the first rotary drum 301, the plurality of first rotary drums 301 are axially sleeved on the rotary shaft 3 along the rotary shaft 3, the rotary shaft 3 is parallel to the axis of the first rotary drum 301, a third annular sliding groove is formed in the inner side wall of the rotary shaft along the circumferential direction of the first rotary drum 301, a first telescopic rod is arranged on the side wall of the rotary shaft 3, a second sliding block sliding along the third annular sliding groove is arranged at the end part of the first telescopic rod, an external tooth 303 is arranged on the side wall of the rotary shaft 3 along the circumferential direction, a toothed belt 304 matched with the external tooth 303 is arranged on the inner side wall of the rotary drum 301 along the circumferential direction of the first rotary drum 301, one end of the toothed belt 304 is provided with a movable tooth 306, an arc-shaped sliding groove 305 is arranged on the inner side wall of the rotary drum 301 along the circumferential direction of the first rotary drum 301, a first sliding block 307 sliding along the arc-shaped sliding groove 305 is arranged at the bottom of the movable tooth 306, and a first spring 308 is arranged between the side wall of the first sliding block 307 and the arc-shaped sliding groove 305; when the filter assembly is changed from the flat state to the folded state, the rotating shaft 3 rotates to enable the fan-shaped filter screen 302 to approach the sedimentation tank 2 until the external teeth 303 are matched with the movable teeth 306 on each first rotary drum 301, and the movable teeth 306 drive the first sliding blocks 307 to press the first springs 308. The filter assembly only uses the rotating shaft as a unique active rotating structure, namely, the rotation and the unfolding of the filter assembly are realized only by driving the rotating shaft to rotate by a motor, so that the control structure is greatly saved, the long-term contact operation with water is avoided, the water is easy to enter to cause faults, and accidents are even caused. Through the setting of a plurality of first rotary drums, set up the toothed belt of different length in every first rotary drum according to every fan-shaped filter screen needs pivoted angle, when using, the pivot rotates and makes all fan-shaped filter screens all rotate to the direction that is close to the sedimentation tank, until the fan-shaped filter screen part of bottommost is arranged in the sedimentation tank, the first rotary drum toothed belt of rotation in-process bottommost cooperates with the pivot external tooth, until the pivot external tooth cooperates with the movable tooth of bottommost first rotary drum, the pivot rotates and drives all first rotary drums except that bottommost, until two fan-shaped filter screens of bottommost fold, and so on, the pivot continues to rotate and makes all fan-shaped filter screens fold, adopt this kind of mode each time only the sediment on one fan-shaped filter screen is cleared up by the fan-shaped filter screen of its top folding, avoid a plurality of fan-shaped filter screens folding simultaneously the sediment volume that clearance down too big to miss or drop, make fan-shaped filter screen clearance cleaner more clean up

Preferably, the bottom surface of any one fan-shaped filter screen 302 is provided with first bristles 309 for cleaning the lower fan-shaped filter screen 302, a downward extending scraping plate 310 is arranged on one side of the fan-shaped filter screen 302 away from the settling tank 2 along the fully-unfolded fan-shaped radial direction of the filter assembly, and the bottom of the scraping plate 310 is contacted with the upper surface of the adjacent fan-shaped filter screen 302 below. Through setting up first brush hair and scraper blade to with the scraper blade setting in one side that the sedimentation tank was kept away from to fan-shaped filter screen, when two fan-shaped filter screens were folding, the brush hair was earlier followed folding direction and is swept the solid sediment, and the scraper blade is scraped remaining impurity on the fan-shaped filter screen again, promotes the cleaning performance to fan-shaped filter screen through two kinds of clearance means, avoids impurity deposit to influence the filter effect on filter element.

Preferably, a brush 201 for cleaning the uppermost fan-shaped filter screen 302 is arranged on the inner side wall of the sedimentation tank 2, and a dust collector 202 is arranged in the sedimentation tank 2. The sedimentation tank is internally provided with the brush, and the uppermost filter screen is cleaned by the brush after the filter assembly is completely folded so as to clean all the filter screens. Preferably, the dust collector is provided with a plurality of exhaust openings, part of the exhaust openings are distributed from top to bottom along the axial direction of the rotating shaft, and the part of the exhaust openings is arranged at the bottom of the settling tank, so that impurities deposited on the filter assembly are transferred into the settling tank, and the influence of the deposition of the impurities on the filter assembly on the filter effect is avoided.

Preferably, a third baffle plate 9 for shielding the second through hole is arranged on the inner side wall of the settling tank 2, a screw rod 901 is respectively arranged on two sides of the third baffle plate 9 along the vertical and horizontal direction, nuts 902 respectively matched with the two screw rods 901 are arranged on the side walls of the two sides of the third baffle plate 9, the end part of each screw rod 901 is sleeved in a driving wheel 903, and when the settling tank is used, the driving wheels 903 rotate to drive the screw rods 901 to rotate, so that the screw rods 901 drive the third baffle plate 9 to move upwards until the second through holes are exposed. The setting shields the third baffle of second through-hole, when the drainage tank no longer filters water, utilizes motor drive action wheel to rotate to make the lead screw drive the third baffle and shift upward and make the second through-hole expose, make folding subassembly can get into the precipitation tank in, this technical scheme avoids the precipitation tank ponding through this kind of setting on the one hand, and impurity is in the drainage tank along with the backward flow of water, on the other hand avoids the long-term damage of intaking of precipitation tank.

Preferably, a plurality of first baffles 401 and a plurality of first impellers 402 are arranged between the first water inlet 101 and the filtering component, the first baffles 401 are obliquely arranged, the upper ends of the first baffles 401 are close to the axis of the first water inlet 101, the lower ends of the first baffles 401 are far away from the axis of the first water inlet 101, the first impellers 402 are located below the first baffles 401, and when in use, the first baffles 401 enable water entering from the first water inlet 101 to flow and drive the first impellers 402 to rotate. The water distributor is provided with a plurality of first baffles and a plurality of first impellers, water is split through the angle arrangement of the plurality of first baffles, and the water is further dispersed by centrifugal force brought by rotation of the impellers.

In this embodiment, the water flow entering the water filtering tank 1 is dispersed through the plurality of first baffles 401 and the plurality of first impellers 402, the contact surface between the cooling water entering and the filter assembly is increased, the filtering effect of the filter assembly is improved, the rotating shaft is utilized to continuously fold all the fan-shaped filter screens, only the precipitate on one fan-shaped filter screen is cleaned by the fan-shaped filter screen folded above the fan-shaped filter screen each time, the excessive omission or dropping of the precipitation quantity of a plurality of fan-shaped filter screens which are simultaneously folded and cleaned is avoided, the fan-shaped filter screens are cleaned more cleanly, the influence of impurity deposition on the filter assembly is avoided, so that the long-term stable use is realized, the cleaning effect of the fan-shaped filter screens is improved through the two cleaning means of the first bristles and the scraping plate, and the influence of impurity deposition on the filter assembly is avoided.

Example 3:

as shown in fig. 1 to 2, this embodiment further includes, on the basis of embodiment 1: the upper side of the first water inlet hole 101 is provided with a first water inlet pipe 5 communicated with the first water inlet pipe, a plurality of first annular sliding grooves distributed along the first water inlet pipe 5 are formed in the inner side wall of the first water inlet pipe 5 along the circumferential direction, a plurality of rotating plates 501 matched with the first annular sliding grooves one by one are arranged in the pipe along the axial direction of the first water inlet pipe 5, third through holes 503 are formed in the rotating plates 501, a second rotating drum 504 matched with the rotating plates 501 is arranged on one side, close to the water filtering tank 1, of any rotating plate 501 along the axial direction of the first water inlet pipe 5, the mutually matched rotating plates 501 and the second rotating drum 504 are connected through a plurality of second springs 507, two ends of the second rotating drum 504 are opened, a plurality of first rotating blades 505 which drive the second rotating drum 504 to rotate are arranged on the inner side wall of the second rotating drum 504, and second bristles 506 used for cleaning the inner wall of the first water inlet pipe 5 are arranged on the outer side wall of the second rotating drum 504. This embodiment sets up rotor plate and second rotary drum in first inlet tube, and when cooling water flowed into the filter tank from first inlet tube, the first rotary vane that sets up on the second rotary drum can drive the rotary drum and rotate to make the second brush hair clearance inlet tube inner wall on the second rotary drum lateral wall, avoid impurity adhesion on first inlet tube inner wall, lead to impurity can not be by effective filtration.

Example 4:

as shown in fig. 1 and 3, this embodiment further includes, on the basis of embodiment 1: a plurality of filtering units are arranged in the first water outlet pipe 6 along the axial direction, each filtering unit comprises a filter plate 602, a second annular chute 606, a pushing groove 608 and a pipeline filter screen 601 which are sequentially arranged along the axial direction of the first water outlet pipe 6, a plurality of second rotating blades 603 which drive the filter plate 602 to rotate are arranged on one side of the filter plate 602 far away from the pipeline filter screen 601, a third brush hair 604 which is used for cleaning the pipeline filter screen 601 is arranged on one side of the filter plate 602 close to the pipeline filter screen 601, and a plurality of fourth through holes 605 are formed in the filter plate 602; the second annular chute 606 is circumferentially arranged on the inner side wall of the first water outlet pipe 6, a bearing 607 is arranged in the second annular chute 606, the filter plate 602 is sleeved in the bearing 607, a third spring is arranged between the bearing 607 and the side wall of the second annular chute 606 far away from the pipeline filter screen 601, a pushing groove 608 is arranged on the side wall of the first water outlet pipe 6 between the filter plate 602 and the pipeline filter screen 601, a water receiving tank 614 is arranged below the first water outlet pipe 6, a first connecting pipe 615 connected with the first water outlet pipe 6 is arranged on the water receiving tank 614, a fifth through hole 609 communicated with the first connecting pipe 615 is arranged on the inner side wall of the pushing groove 608, a stop block 610 axially sliding along the pushing groove 608 is arranged in the pushing groove 608, the bearing 607 is provided with a second telescopic rod 611 on the side wall close to the pipeline filter screen 601, the end part of the stop block 610 far away from the pushing groove 608 is provided with an arc rod 612, the end part of the arc rod 612 far away from the stop block 610 extends to the second telescopic rod 611, the end part of the second telescopic rod 611 is hinged with a connecting rod 613, the free end of the connecting rod 613 is hinged on the extending section of the arc rod 612, in the initial state, the side wall of the stop block 610 is contacted with the opening end of the fifth through hole 609, when in use, water flow drives the filter plate 602 to approach the pipeline filter screen 601 until the third brush hair 604 is contacted with the pipeline filter screen 601, meanwhile, the filter plate 602 drives the bearing 607 to push the stop block 610 to expose the fifth through hole 609, and the second rotary blade 603 drives the filter plate 602 to rotate to enable the third brush hair 604 to clean the pipeline filter screen 601. The pipeline filter screen is arranged in the first water outlet pipe to intercept and clear impurities in water, the rotatable filter plate is arranged, the impurities on the pipeline filter screen can be cleared by utilizing the third brush hair on the side surface of the filter plate, the impurity clearing on the pipeline filter screen can reduce the impurity amount on the pipeline filter screen to avoid the influence of the blockage of the pipeline filter screen on the filtering effect, the pushing groove and the fifth through hole are also arranged, the filter plate is sleeved in the bearing, when the filter plate rotates under the drive of the second rotary vane, the bearing does not rotate along the second annular chute, the filter plate is close to the pipeline filter screen due to the action of water flow, the filter plate drives the bearing to push the stop block to expose the fifth through hole 609, at the moment, the water in the first water outlet pipe flows out from the fifth through hole due to the thrust of water flow, and the water containing a large amount of solid impurities is discharged from the fifth through hole after the third brush hair is cleared on the pipeline filter screen, so that the impurities in the pipeline filter screen can be cleared, and the impurity content in the first water outlet pipe is reduced.

Preferably, a one-way valve is arranged in the fifth through hole 609, a vacuum pump is arranged on the upper side of the water receiving tank 614, a second connecting pipe 616 communicated with the top of the water filtering tank 1 is arranged at the bottom of the water receiving tank 614, and a water suction pump is arranged at the bottom of the water receiving tank 614. The one-way valve is arranged in the fifth through hole to prevent water from flowing backward from the first connecting pipe to enter the first water outlet pipe, the vacuum pump is arranged to accelerate water from the first water outlet pipe to enter the first connecting pipe, and after the water is accumulated in the water receiving pipe for a period of time, the water in the water receiving tank is sent into the top of the water filtering tank from the second connecting pipe by the water suction pump in the water receiving tank, so that the circulation treatment of the filtered water is realized. Preferably, a third filter screen is arranged in the filter tank and is positioned above the second connecting pipe.

Example 5:

as shown in fig. 1, this embodiment further includes, on the basis of embodiment 1: the water treatment device further comprises a clean water tank 7, a second water inlet 701 communicated with the first water outlet pipe 6 is formed in the top of the clean water tank 7, a second water outlet pipe 705 is arranged at the bottom of the clean water tank 7, a second filter screen 702 is arranged in the clean water tank 7, a plurality of second baffles 703 and second impellers 704 are arranged between the second water inlet 701 and the second filter screen 702, the second baffles 703 are obliquely arranged, the upper ends of the second baffles 703 are close to the axis of the second water inlet 701, the lower ends of the second baffles 703 are far away from the axis of the second water inlet 701, the second impellers 704 are located below the second baffles 703, and when the water treatment device is used, the second baffles 703 are used for distributing water entering from the second water inlet 701 and driving the second impellers 704 to rotate. Preferably, the first water inlet pipe 5 is communicated with the top of the cold water tank 8, and the second water outlet pipe 705 is communicated with the bottom of the cold water tank 8. The clear water tank is arranged to store filtered clear water, the second filter screen is arranged in the clear water tank to promote the filtering effect, and the second baffle plates and the second impellers are arranged to enable water entering the clear water tank to be uniformly filtered, and the filtered clear water tank is pumped to the bottom of the cold water tank by the pump.

The side filtering system provided by the invention has the working process that: cooling water is pumped out from the top of the cold water tank 8 by a water suction pump in the cold water tank 8 and enters the first water inlet pipe 5, the cooling water pushes the first rotary blade 505 to rotate, the second rotary drum 504 and the rotary plate 501 are driven to rotate, the second bristles 506 on the outer side wall of the second rotary drum 504 clean the inner wall of the first water inlet pipe 5, cooling water enters the water filtering tank 1 from the first water inlet holes 101, after being filtered by the expanded filter assembly and the first filter screen 102, the cooling water is accumulated at the bottom of the water filtering tank 1, the water suction pump at the bottom of the water filtering tank 1 intermittently pumps water into the first water outlet pipe 6, due to the water flow effect, the filter plate 602 approaches the pipeline filter screen 601, the third spring is stretched, the filter plate 602 drives the bearing 607 to push the stop block 610 to expose the fifth through hole 609, the second rotary blade 603 drives the filter plate 602 to rotate, the third bristles 604 clean the pipeline filter screen 601, water containing a large amount of solid impurities is discharged from the fifth through hole 609 to enter the water receiving tank 614, when the water suction pump at the bottom of the water filtering tank 1 stops working, the third spring resets the filter plate 602, the filter unit resets after the water suction pump at the bottom of the water filtering tank 1 is reset, the water suction pump at the bottom of the water filtering tank 7 is filtered by the water suction pump 7, and enters the water filtering tank 7 after the water tank 7 is filtered by the water suction pump 7, and enters the water tank 7 after the water tank 7 is filtered at the bottom of the water tank 8. When cooling water is not fed into the water filtering tank 1 from the cold water tank 8, the motor drives the rotating shaft 3 to rotate, so that all the fan-shaped filter screens 302 rotate in the direction close to the sedimentation tank 2 until the bottommost fan-shaped filter screens 302 are partially arranged in the sedimentation tank 2, the toothed belt of the bottommost first rotating cylinder 301 is matched with the outer teeth 303 of the rotating shaft 3 in the rotating process until the outer teeth 303 of the rotating shaft 3 are matched with the movable teeth of the bottommost first rotating cylinder 301, the rotating shaft 3 rotates to drive all the first rotating cylinders 301 outside the bottommost first rotating cylinder 301 to rotate until the bottommost two fan-shaped filter screens 302 are folded, the scraping plates 310 and the first bristles 309 at the bottom of the upper fan-shaped filter screens 302 clean the lower fan-shaped filter screens 302 in the rotating direction in the folding process, and so on, the rotating shaft 3 continues to rotate so that all the fan-shaped filter screens 302 are folded, the brush 201 in the sedimentation tank 2 is contacted with the upper surface of the topmost fan-shaped filter screens 302, the motor drives the brush 201 to rotate, and the sediment on the upper surface of the topmost fan-shaped filter screens 302 is cleaned, and the dust collector 202 in the sedimentation tank 2 is sucked and the sediment dropped and flying down is cleaned.

The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims (9)

1. The side filtering system for filtering impurities in water is characterized by comprising a water filtering tank (1) and a sedimentation tank (2) arranged on the outer side wall of the water filtering tank (1), wherein a first water inlet hole (101) is formed in the upper side wall of the water filtering tank (1), a first water outlet pipe (6) is arranged at the bottom of the water filtering tank (1), a first through hole is formed in the side wall of the water filtering tank (1), a second through hole matched with the first through hole is formed in the side wall of the sedimentation tank (2), a rotating shaft (3) is arranged on one side, close to the water filtering tank (1), of the sedimentation tank (2) along the vertical and horizontal direction, a foldable filter component is arranged on the side wall of the rotating shaft (3), the filter component is positioned in the water filtering tank (1) in an initial state, the filter component is completely spread out and seals the cross section of the water filtering tank, when the rotating shaft (3) drives the filter component to penetrate through the first through hole and the second through hole to enable the filter component to be locally arranged in the sedimentation tank (2), the part, which is positioned in the water filtering tank (1), the fan-shaped filter component is folded towards the direction close to the sedimentation tank (2), the side, the rotating shaft is arranged on one side, and the fan-shaped filter component is matched with the fan-shaped filter component. The filter assembly comprises a plurality of filter units consisting of first rotary drums (301) and fan-shaped filter screens (302), wherein the end parts of the fan-shaped filter screens (302) are fixed on the outer side wall of the first rotary drums (301), a plurality of first rotary drums (301) are axially sleeved on the rotary shafts (3) along the rotary shafts (3), the rotary shafts (3) are parallel to the axes of the first rotary drums, third annular sliding grooves are formed in the inner side walls of the first rotary drums (301) along the circumferential direction, first telescopic rods are arranged on the side walls of the rotary shafts, second sliding blocks sliding along the third annular sliding grooves are arranged at the end parts of the first telescopic rods, outer teeth (303) are arranged on the side walls of the first telescopic rods along the circumferential direction of the rotary shafts (3), toothed belts (304) matched with the outer teeth (303) are arranged on the inner side walls of the first rotary drums (301) along the circumferential direction, toothed belts with different lengths are arranged in each first rotary drum (301) according to the required rotation angle of each fan-shaped filter screen, one end of each toothed belt (304) is provided with a movable tooth (306), arc-shaped sliding groove (305) is formed in the inner side walls of the first rotary drums along the circumferential direction, the bottoms of the movable tooth (306) are provided with first arc-shaped sliding grooves (307), and the first arc-shaped sliding grooves (307) are arranged between the arc-shaped sliding grooves (307) and the first arc-shaped sliding blocks (308) are arranged at the end parts; when the filter assembly is changed from a flat state to a folding state, the rotating shaft (3) rotates to enable the fan-shaped filter screen (302) to approach the sedimentation tank (2) until the external teeth (303) are matched with the movable teeth (306) on each first rotary drum (301), and the movable teeth (306) drive the first sliding blocks (307) to squeeze the first springs (308).

2. A side filter system for filtering impurities in water according to claim 1, characterized in that the bottom surface of any one fan-shaped filter screen (302) is provided with first bristles (309) for cleaning the lower fan-shaped filter screen (302), a downward extending scraping plate (310) is arranged on one side of the fan-shaped filter screen (302) far away from the sedimentation tank (2) along the fully unfolded fan-shaped direction of the filter assembly, and the bottom of the scraping plate (310) is contacted with the upper surface of the adjacent fan-shaped filter screen (302) below.

3. A side filtering system for filtering impurities in water according to claim 2, characterized in that the inner side wall of the sedimentation tank (2) is provided with a brush (201) for cleaning the uppermost sector filter screen (302), and the sedimentation tank (2) is internally provided with a dust collector (202).

4. A side filtering system for filtering impurities in water as claimed in claim 1, characterized in that a third baffle (9) for shielding the second through hole is arranged on the inner side wall of the precipitation tank (2), a screw rod (901) is respectively arranged on two sides of the third baffle (9) along the vertical horizontal direction, nuts (902) respectively matched with the two screw rods (901) are arranged on the side walls of the two sides of the third baffle (9), the end part of each screw rod (901) is sleeved in a driving wheel (903), and in use, the driving wheel (903) rotates to drive the screw rod (901) to rotate, so that the screw rod (901) drives the third baffle (9) to move upwards until the second through hole is exposed.

5. A side filtering system for filtering impurities in water according to claim 1, characterized in that a plurality of first baffles (401) and a plurality of first impellers (402) are arranged between the first water inlet (101) and the filtering assembly, the first baffles (401) are obliquely arranged, the upper ends of the first baffles (401) are close to the axis of the first water inlet (101), the lower ends of the first baffles are far away from the axis of the first water inlet (101), the first impellers (402) are located below the first baffles (401), and in use, the first baffles (401) divide the water entering from the first water inlet (101) and drive the first impellers (402) to rotate.

6. A side filtering system for filtering impurities in water according to claim 1, characterized in that a first water inlet pipe (5) communicated with the first water inlet hole (101) is arranged on the upper side of the first water inlet hole, a plurality of first annular sliding grooves distributed along the first water inlet pipe are arranged on the inner side wall of the first water inlet pipe (5) along the circumference direction, a plurality of first rotating blades (505) which are matched with the first annular sliding grooves one by one are arranged in the pipe along the axial direction of the first water inlet pipe (5), a third through hole (503) is formed in the rotating blades (501), a second rotating drum (504) matched with the rotating blades (501) is arranged on one side, close to the water filtering tank (1), of any rotating blade (501) along the axial direction of the first water inlet pipe (5), the rotating blades (501) matched with the second rotating blades (504) are connected through a plurality of second springs (507), two ends of the second rotating drum (504) are opened, a plurality of first rotating blades (505) which drive the second rotating blades (504) to rotate are arranged on the inner side wall of the second rotating blades (504), and second water inlet pipe (506) is cleaned by the second bristles (506) of the first water inlet pipe (5) are arranged on the outer side wall of the second rotating blades.

7. A side filtering system for filtering impurities in water according to claim 1, wherein a plurality of filtering units are arranged in the side filtering system along the axial direction of the first water outlet pipe (6), each filtering unit comprises a filter plate (602), a second annular chute (606), a pushing groove (608) and a pipeline filter screen (601) which are sequentially arranged along the axial direction of the first water outlet pipe (6), a plurality of second rotating blades (603) which drive the filter plate (602) to rotate are arranged on one side of the filter plate (602) far away from the pipeline filter screen (601), a third brush hair (604) which is used for cleaning the pipeline filter screen (601) is arranged on one side of the filter plate (602) close to the pipeline filter screen (601), and a plurality of fourth through holes (605) are formed in the filter plate (602); the second annular chute (606) is circumferentially arranged on the inner side wall of the first water outlet pipe (6), a bearing (607) is arranged in the second annular chute (606), the filter plate (602) is sleeved in the bearing (607), a third spring is arranged between the bearing (607) and the side wall of the second annular chute (606) far away from the pipeline filter screen (601), a pushing groove (608) is formed on the side wall of the first water outlet pipe (6) between the filter plate (602) and the pipeline filter screen (601), a water receiving tank (614) is arranged below the first water outlet pipe (6), a first connecting pipe (615) connected with the first water outlet pipe (6) is arranged on the water receiving tank (614), a fifth through hole (609) communicated with the first connecting pipe (615) is formed in the inner side wall of the pushing groove (608), a stop block (610) axially sliding along the pushing groove (608) is arranged in the pushing groove (608), a second telescopic rod (611) is arranged on the side wall of the bearing (607) near the pipeline filter screen (601), an arc-shaped rod (612) is arranged at the end part of the stop block (610) far away from the pushing groove (608), the arc-shaped rod (612) extends towards the end part of the arc-shaped rod (613) and extends towards the arc-shaped connecting rod (613), in an initial state, the side wall of the stop block (610) is in contact with the opening end of the fifth through hole (609), when the filter plate is used, water flows drive the filter plate (602) to approach the pipeline filter screen (601) until the third bristles (604) are in contact with the pipeline filter screen (601), meanwhile, the filter plate (602) drives the bearing (607) to push the stop block (610) to enable the fifth through hole (609) to be exposed, and the second rotating blade (603) drives the filter plate (602) to rotate to enable the third bristles (604) to clean the pipeline filter screen (601).

8. A side filtering system for filtering impurities in water according to claim 7, characterized in that a one-way valve is arranged in the fifth through hole (609), a vacuum pump is arranged on the upper side of the water receiving tank (614), a second connecting pipe (616) communicated with the top of the water filtering tank (1) is arranged at the bottom of the water receiving tank (614), and a water suction pump is arranged at the bottom of the water receiving tank (614).

9. A side filtering system for filtering impurities in water according to any one of claims 1 to 8, further comprising a clean water tank (7), wherein a second water inlet hole (701) communicated with the first water outlet pipe (6) is formed in the top of the clean water tank (7), a second water outlet pipe (705) is arranged at the bottom of the clean water tank (7), a second filter screen (702) is arranged in the clean water tank (7), a plurality of second baffles (703) and second impellers (704) are arranged between the second water inlet hole (701) and the second filter screen (702), the second baffles (703) are obliquely arranged, the upper ends of the second baffles (703) are close to the axis of the second water inlet hole (701), the lower ends of the second baffles (703) are far away from the axis of the second water inlet hole (701), the second impellers (703) are located below the second baffles (703), and when in use, the second baffles (703) enable water entering from the second water inlet holes (701) to flow and drive the second impellers (704) to rotate.