CN114394692A

CN114394692A - Multistage filter that rainwater was collected

Info

Publication number: CN114394692A
Application number: CN202210074046.2A
Authority: CN
Inventors: 李贺
Original assignee: Jiangsu Yurun Intelligent Technology Co ltd
Current assignee: Jiangsu Yurun Intelligent Technology Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-04-26

Abstract

The invention discloses a multi-stage filter for collecting rainwater, which comprises a collecting bin and is characterized in that: the collection bin is internally and fixedly provided with a splash-proof mechanism, the splash-proof mechanism reduces the splash amount of rainwater when the rainwater falls on the surface of the sponge by means of the water absorption characteristic of the sponge, and the collection bin is matched with the horn-shaped flow guide holes arranged on the surface of the sponge, so that the splash-proof rainwater amount is further reduced, and rainwater can be collected to the maximum extent by collecting the rainwater; the filter membrane is arranged at the bottom of the flow guide hole, so that rainwater falling into the flow guide hole is primarily filtered, and other rainwater falling on the surface of the sponge can also filter some particle impurities through the sponge, and the rainwater is collected and filtered at the same time, so that the rainwater treatment efficiency is improved; through the inside at the water conservancy diversion hole set up the buffer board, can play certain cushioning effect to the rainwater that drips the water conservancy diversion downthehole portion to when preventing that the rainwater from passing through the filter membrane, produce too big impulsive force to the filter membrane, thereby improve the life of filter membrane.

Description

Multistage filter that rainwater was collected

Technical Field

The invention relates to the technical field of rainwater collection, in particular to a multistage filter for rainwater collection.

Background

Rainwater is collected and is just collected the rainwater, through handling the back, obtains the process that accords with the water reuse of certain quality of water index, and rainwater is collected and is used rainwater resource and using water wisely for the comprehensive utilization, has certain environmental protection meaning, because rainwater can a large amount of impurity of adhesion when passing through the atmosphere, consequently in order to improve rainwater quality of water, often uses multi-stage filter to filter when collecting the rainwater.

In current technique, especially in the rainwater field of collecting, current multi-stage filter when collecting the rainwater, the rainwater often appears from the phenomenon of collecting mouthful spill easily, is unfavorable for better collection rainwater, and current multi-stage filter does not possess the purpose of collecting limit filtration disinfection to the rainwater in addition, and the functionality is not strong enough to the efficiency of rainwater quality has been reduced.

For this purpose, a multistage filter for rainwater collection is proposed.

Disclosure of Invention

The present invention is directed to a multistage rainwater collection filter to solve the above problems of the related art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a multistage filter that rainwater was collected, includes collects the storehouse, its characterized in that: an anti-splashing mechanism is fixedly arranged in the collection bin;

the splash-proof mechanism comprises a diversion trench, a first mounting frame and a second mounting frame are fixedly mounted between four inner walls of the collecting bin from top to bottom, a sponge is movably clamped between the first mounting frame and the second mounting frame, the front side and the rear side of the sponge are fixedly mounted at the top of the second mounting frame through the diversion trench, and a plurality of diversion holes are uniformly and vertically formed in the sponge.

Preferably, the top ends of the plurality of flow guide holes are arranged in a horn shape, and filter membranes are horizontally and fixedly mounted at the bottom ends of the plurality of flow guide holes.

Preferably, a plurality of the inner wall in water conservancy diversion hole is from last to the lower fixedly connected with multiunit buffer board, multiunit all become sixty degree contained angles between buffer board and the lateral wall in water conservancy diversion hole.

Preferably, the outer wall symmetry fixed mounting in both sides of collecting the storehouse has two hydraulic stems, two the output of hydraulic stem activity respectively runs through the both sides wall of collecting the storehouse to fixed mounting has the separator box, two the separator box touches with the left and right sides face of sponge respectively mutually.

Preferably, the equal fixed mounting in front and back both sides face of sponge has the slider, collect the both sides inner wall all and be provided with the spout around the storehouse, two the inside of two spouts is installed to slider vertical slidable mounting respectively, one of them the equal fixedly connected with stay cord in top of slider, it is close to a lateral wall inside of stay cord to collect the storehouse, the vertical slidable mounting in inside in function groove has the slide, vertical fixedly connected with spring between the top inner wall in slide and function groove, the top activity of stay cord runs through spout top inner wall to with the bottom fixed connection of slide, the bottom inner wall fixed mounting in function groove has the switch, switch and two hydraulic stem electric connection.

Preferably, two the bottom plate of separator box all runs through and is provided with the active carbon filter screen, two a curb plate that the separator box is close to the sponge all is provided with a set of mounting groove, four the equal level rotation of both sides inner wall is connected with the pivot, four the outer wall of pivot all is fixed the cover and is connect the cylinder, four the equal equidistance of outer wall of cylinder is provided with a plurality of and adsorbs the hole, four the outer wall of cylinder all touches mutually with the side of sponge, two the equal fixedly connected with a set of silica gel board of one side inner wall that the cylinder was kept away from to the separator box, four one side that the silica gel board is close to the cylinder touches mutually with the outer wall of four cylinders respectively to the downward sloping, four the silica gel board all is provided with a plurality of through-holes.

Preferably, the center department of sponge is provided with the installation cavity, the inside fixed mounting of installation cavity has the gasbag, the top intercommunication of gasbag has a liquid head, the left and right sides of going out the liquid head all is provided with a plurality of pipes, and is a plurality of the equal fixed mounting of one end that the liquid head was kept away from to the pipe has the shower nozzle.

Preferably, a plurality of diversion trenches are arranged on the top of the sponge close to two sides of the two separation boxes respectively at equal distances.

Preferably, the heating wires are arranged inside the side wall of the top of the collecting bin.

Preferably, the inner side surface of the first mounting frame is provided with a downward inclined surface.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the splash amount of rainwater when falling on the surface of the sponge is reduced by means of the water absorption characteristic of the sponge, and the splash rainwater amount is further reduced by matching with the horn-shaped diversion holes arranged on the surface of the sponge;

2. according to the invention, the filter membrane is arranged at the bottom of the flow guide hole, so that the rainwater falling into the flow guide hole is primarily filtered, and other rainwater falling on the surface of the sponge can also filter some particle impurities through the sponge, and the rainwater is collected and filtered at the same time, so that the rainwater treatment efficiency is improved;

3. according to the invention, the buffer plate is arranged in the guide hole, so that a certain buffer effect can be exerted on rainwater dropping into the guide hole, and overlarge impact force on the filter membrane when the rainwater passes through the filter membrane is prevented, so that the service life of the filter membrane is prolonged;

4. according to the invention, the two hydraulic rods are started, so that the separation box is pushed inwards to extrude the sponge, and the sponge is movably clamped between the first mounting frame and the second mounting frame and is connected with the middle part of the second mounting frame only through the adhesive plate, so that the two ends in the sponge can be gathered together by the separation box, the adsorbed rainwater is extruded out, and the phenomenon that the splashing amount of the rainwater is increased due to excessive water absorption of the sponge is prevented;

5. according to the invention, by arranging the switch electrically connected with the hydraulic rods, when the sponge absorbs rainwater to reach certain saturation, the gravity of the sponge can be improved, the top surface of the sponge can be gradually lowered, so that the sliding blocks on the two sides are driven to slide downwards, a pull rope connected with the pull rope is pulled, the pull rope can pull the sliding plate to overcome the pulling force of the spring to press the switch downwards, and when the switch is pressed, the two hydraulic rods can be controlled to be started simultaneously, so that the hydraulic rods are ensured to be started at proper time, more energy is saved, and the effect is better;

6. according to the invention, by arranging the air bag, when the two separation boxes are extruded to the center of the sponge, the air bag is extruded along the belt, so that the disinfectant water in the air bag is extruded out in a proper amount through the liquid outlet head and the guide pipe in sequence, and is finally uniformly sprayed on the surface of the sponge through the spray head and mixed with rainwater, thereby preliminarily disinfecting the rainwater;

7. according to the invention, by arranging the rollers, when the two separation boxes extrude two ends of the sponge, the two groups of rollers rotate relative to the surface of the sponge, so that the filtered impurities at the top of the sponge are adsorbed and brought into the separation boxes through the rotation of the rollers, and finally fall into the top of the activated carbon filter screen through the rubbing of the silica gel plate and are adsorbed and filtered by the activated carbon filter screen, so that the impurities are prevented from being excessively accumulated on the surface of the sponge, and the filtering effect of the sponge is reduced;

8. according to the invention, the electric heating wire is started, so that the fallen snowflakes are heated, and are quickly melted into snow water, and the snow water is convenient for later collection, therefore, the device not only can collect rainwater, but also can collect snowflakes, and has stronger functionality.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a bottom view of the present invention;

FIG. 4 is a right side cross-sectional view of the present invention;

FIG. 5 is a top cross-sectional view of the separator tank of the present invention;

FIG. 6 is an enlarged view of A of FIG. 1 in accordance with the present invention;

FIG. 7 is an enlarged view of B of FIG. 1 in accordance with the present invention;

FIG. 8 is an enlarged view of C of FIG. 4 in accordance with the present invention;

FIG. 9 is a front view of a sponge of the present invention;

fig. 10 is a right side view of the present invention.

In the figure: 1. a collection bin; 11. a chute; 12. a functional groove; 121. a slide plate; 122. a switch; 123. a spring; 2. a first mounting frame; 3. a second mounting frame; 4. a sponge; 41. a flow guide hole; 411. a buffer plate; 412. filtering the membrane; 42. a mounting cavity; 421. an air bag; 422. a liquid outlet head; 423. a conduit; 424. a spray head; 43. a slider; 431. pulling a rope; 44. sticking the plate; 45. a diversion trench; 5. a hydraulic lever; 6. a separation tank; 61. an activated carbon filter screen; 62. a drum; 63. a silica gel plate; 631. a through hole; 64. a rotating shaft; 65. mounting grooves; 7. an electric heating wire.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 10, the present invention provides a technical solution:

the utility model provides a multistage filter that rainwater was collected, includes collection storehouse 1, its characterized in that: an anti-splashing mechanism is fixedly arranged in the collection bin 1;

the splashproof goes out the mechanism and includes guiding gutter 45, from last to lower fixed mounting have first installing frame 2 and second installing frame 3 between four side inner walls of collecting storehouse 1, the swing joint has sponge 4 between first installing frame 2 and the second installing frame 3, both sides are all through guiding gutter 45 fixed mounting at the top of second installing frame 3 around sponge 4, sponge 4 is even vertical to be provided with a plurality of guiding hole 41.

As an embodiment of the present invention, as shown in fig. 1, fig. 2, fig. 3 and fig. 6, top ends of a plurality of the diversion holes 41 are arranged in a trumpet shape, and bottom ends of a plurality of the diversion holes 41 are all horizontally and fixedly installed with a filter membrane 412.

During operation, set up to loudspeaker form, have the effect of water conservancy diversion, set up filter membrane 412 to carry out prefilter to the rainwater that falls into the inside of water conservancy diversion hole 41, collect the rainwater while filtering, thereby improve the efficiency of back processing rainwater.

As an embodiment of the present invention, as shown in fig. 1, fig. 2 and fig. 6, a plurality of groups of buffer plates 411 are fixedly connected to inner walls of the diversion holes 41 from top to bottom, and sixty degree included angles are formed between the groups of buffer plates 411 and side walls of the diversion holes 41.

During operation, the inclined buffer plate 411 can play a certain buffering role for rainwater dropping into the diversion hole 41, so that overlarge impact force is generated on the filter membrane 412 when the rainwater passes through the filter membrane 412, and the service life of the filter membrane 412 is prolonged.

As an embodiment of the present invention, as shown in fig. 1, fig. 2, fig. 3 and fig. 10, two hydraulic rods 5 are symmetrically and fixedly installed on outer walls of two sides of the collection bin 1, output ends of the two hydraulic rods 5 respectively and movably penetrate through two side walls of the collection bin 1, and separation boxes 6 are fixedly installed, and the two separation boxes 6 respectively contact with left and right sides of the sponge 4.

The during operation starts two hydraulic stem 5 to inside side promotion separator box 6 extrudees sponge 4, because sponge 4 activity joint has the mid portion to be connected between first installing frame 2 and second installing frame 3 only through flitch 44 and second installing frame 3, so separator box 6 can be in the same place both ends gathering in the sponge 4, thereby extrude absorbent rainwater, prevent that sponge 4 from because absorbing water too much and having improved the volume of splashing of rainwater.

As an embodiment of the present invention, as shown in fig. 4, 8 and 9, the front and rear sides of the sponge 4 are fixedly installed with sliders 43, the inner walls of the front side and the rear side of the collecting bin 1 are respectively provided with a sliding chute 11, the two sliding blocks 43 are respectively vertically and slidably arranged inside the two sliding chutes 11, the top end of one of the sliding blocks 43 is fixedly connected with a pull rope 431, a functional groove 12 is arranged inside one side wall of the collecting bin 1 close to the pull rope 431, a sliding plate 121 is vertically and slidably installed inside the functional groove 12, a spring 123 is vertically and fixedly connected between the sliding plate 121 and the inner wall of the top of the functional groove 12, the top end of the pull rope 431 movably penetrates through the inner wall of the top of the sliding groove 11, and is fixedly connected with the bottom of the sliding plate 121, a switch 122 is fixedly installed on the inner wall of the bottom of the functional groove 12, and the switch 122 is electrically connected with the two hydraulic rods 5.

The during operation, after sponge 4 absorbs the rainwater and reaches certain saturation, sponge 4's gravity can improve, sponge 4's top surface can reduce gradually, thereby drive the slider 43 lapse of both sides, thereby a stay cord 431 rather than being connected is stimulateeed, stay cord 431 can be pulled slide 121 and overcome spring 123's pulling force and push down switch 122, when switch 122 receives to press, can control two hydraulic stem 5 and start simultaneously, thereby guarantee that hydraulic stem 5 starts at suitable opportunity, and is more energy-saving, and the effect is also better.

As an embodiment of the present invention, as shown in fig. 1, 5 and 7, the bottom plates of two separation boxes 6 are all penetrated by an activated carbon filter screen 61, one side plate of the two separation boxes 6 close to the sponge 4 is all provided with a set of mounting grooves 65, the front and rear inner walls of the four mounting grooves 65 are all horizontally and rotatably connected with rotating shafts 64, the outer walls of the four rotating shafts 64 are all fixedly sleeved with rollers 62, the outer walls of the four rollers 62 are all provided with a plurality of adsorption holes at equal intervals, the outer walls of the four rollers 62 are all contacted with the side surface of the sponge 4, the inner wall of one side of the two separation boxes 6 far from the rollers 62 is all fixedly connected with a set of silica gel plates 63, one side of the four silica gel plates 63 close to the rollers 62 is respectively contacted with the outer walls of the four rollers 62, and the downward sloping, four silica gel board 63 all is provided with a plurality of through-holes 631, the top of sponge 4 is close to the equal equidistance in both sides of two separator boxes 6 respectively and is provided with a plurality of guiding gutters 45.

When the two separation boxes 6 squeeze two ends of the sponge 4 in work, the two groups of rollers 62 rotate relative to the surface of the sponge 4, filtered impurities at the top of the sponge 4 are adsorbed and brought into the separation boxes 6 through rotation of the rollers 62, and finally the impurities fall into the top of the activated carbon filter screen 61 through rubbing of the silica gel plate 63 and are adsorbed and filtered by the activated carbon filter screen, so that the impurities are prevented from being excessively accumulated on the surface of the sponge 4, and the filtering effect of the sponge 4 is reduced.

As an embodiment of the present invention, as shown in fig. 1, fig. 2 and fig. 4, a mounting cavity 42 is disposed at the center of the sponge 4, an air bag 421 is fixedly mounted inside the mounting cavity 42, a liquid outlet head 422 is communicated with the top of the air bag 421, a plurality of guide tubes 423 are disposed on both left and right sides of the liquid outlet head 422, and a spray head 424 is fixedly mounted at one end of each of the plurality of guide tubes 423 far from the liquid outlet head 422.

The during operation, when two separator boxes 6 extruded sponge 4's center department, extrude gasbag 421 in the same direction as the area to loop through out liquid head 422 and pipe 423 with the inside disinfectant fluid of gasbag 421 and extrude suitable amount, evenly spray on sponge 4's surface through shower nozzle 424 at last, mix together with the rainwater, thereby carry out preliminary disinfection to the rainwater.

As an embodiment of the present invention, as shown in fig. 1, heating wires 7 are disposed inside top side walls of the collection bin 1.

During operation, the heating wire 7 is started, so that the falling snowflakes are heated, the snowflakes are quickly melted into snow water, the collection at the back is facilitated, rainwater can be collected, the snowflakes can be collected, and the device is stronger in functionality.

As an embodiment of the present invention, as shown in fig. 1, the inner side surface of the first mounting frame 2 is provided as a downward inclined surface.

During operation, the inclined plane is arranged to have the function of guiding rainwater when the sponge 4 is clamped.

The working principle is as follows: the bottom of the device is externally connected with a feed end of a multistage filter, the amount of splashed rainwater when falling on the surface of the sponge 4 is reduced by virtue of the water absorption characteristic of the sponge 4, and the device can play a role of guiding by matching with the horn-shaped guide holes 41 arranged on the surface of the sponge 4, so that the amount of splashed rainwater is further reduced, and rainwater can be collected to the maximum extent by collecting rainwater through the device;

the bottom of the diversion hole 41 is provided with the filter membrane 412, the filter membrane 412 can primarily filter the rainwater falling into the diversion hole 41, and other rainwater falling on the surface of the sponge 4 can also permeate to the bottom of the sponge 4 through the sponge 4, so that particle impurities are filtered by means of the characteristics of the sponge 4, the function of filtering while collecting rainwater is realized, and the overall efficiency of rainwater treatment at the rear is improved;

when rainwater drops into the diversion holes 41, the rainwater can firstly fall on the surface of the buffer plate 411, and the buffer plate 411 is made of a slightly elastic material, so that the buffer plate 411 can buffer the rainwater to a certain extent, and the rainwater is prevented from generating excessive impact force on the filter membrane 412 when passing through the filter membrane 412, so that the service life of the filter membrane 412 is prolonged;

when the sponge 4 absorbs rainwater and reaches a certain saturation, the gravity of the sponge 4 is improved, the top surface of the sponge 4 is gradually reduced, so that the sliders 43 on the two sides are driven to slide downwards, the pull rope 431 connected with the pull rope is pulled, the pull rope 431 pulls the sliding plate 121 to overcome the pulling force of the spring 123 and press the switch 122 downwards, when the switch 122 is pressed, the two hydraulic rods 5 are controlled to be started simultaneously, the two hydraulic rods 5 push the separation box 6 inwards to extrude the sponge 4, the sponge 4 is movably clamped between the first installation frame 2 and the second installation frame 3, and the separation box 6 is connected with the middle part of the second installation frame 3 only through the adhesive plate 44, so that the two ends in the sponge 4 are gathered together by the separation box 6, the adsorbed rainwater is extruded out, and the rainwater splashing amount of the sponge 4 is prevented from being improved because the sponge 4 reaches a saturation state;

when the two separation boxes 6 are extruded to the center of the sponge 4, the air bag 421 is also extruded, so that the disinfectant inside the air bag 421 is extruded out through the liquid outlet head 422 and the guide pipe 423 in sequence, and finally is uniformly sprayed on the surface of the sponge 4 through the spray head 424 to be mixed with rainwater, so that the rainwater is preliminarily disinfected;

when the two separation boxes 6 squeeze the two ends of the sponge 4, the two groups of rollers 62 rotate relative to the surface of the sponge 4, the filtered impurities at the top of the sponge 4 are driven by part of water squeezed out from the top and flow to the two ends close to the separation boxes 6 through the arranged guide grooves 45, so that the impurities are fully contacted with the outer walls of the rollers 62, and most of the impurities in the water are adsorbed by the rollers 62 and are brought into the separation boxes 6 through the rotation of the rollers 62 because the outer walls of the rollers 62 are provided with a plurality of adsorption holes, and finally fall into the tops of the activated carbon filter screens 61 through the rubbing of the silica gel plates 63 and are adsorbed and filtered by the activated carbon filter screens, so that the impurities are prevented from being excessively accumulated on the surface of the sponge 4, and the filtering effect of the sponge 4 is reduced; when the snowflakes fall down, the heating wires 7 are started to heat the snowflakes, so that the snowflakes are quickly melted into snow water, and later collection is facilitated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A multistage filter that rainwater was collected, includes collection storehouse (1), its characterized in that: an anti-splashing mechanism is fixedly arranged in the collection bin (1); the anti-splashing mechanism comprises a flow guide groove (45), a first mounting frame (2) and a second mounting frame (3) are fixedly mounted between the inner walls of the four sides of the collecting bin (1) from top to bottom, a sponge (4) is movably clamped between the first mounting frame (2) and the second mounting frame (3), the front side and the rear side of the sponge (4) are fixedly mounted at the top of the second mounting frame (3) through the flow guide groove (45), and a plurality of flow guide holes (41) are uniformly and vertically formed in the sponge (4).

2. A rainwater collecting multistage filter according to claim 1 wherein: the top ends of the guide holes (41) are arranged to be horn-shaped, and the bottom ends of the guide holes (41) are horizontally and fixedly provided with filter membranes (412).

3. A rainwater collecting multistage filter according to claim 2, characterised in that: a plurality of the inner wall of water conservancy diversion hole (41) is from last to lower fixedly connected with multiunit buffer board (411), multiunit all become sixty degree contained angle between the lateral wall of buffer board (411) and water conservancy diversion hole (41).

4. A rainwater collecting multistage filter according to claim 1 wherein: collect the both sides outer wall symmetry fixed mounting in storehouse (1) and have two hydraulic stem (5), two the output of hydraulic stem (5) is the activity respectively and runs through the both sides wall of collecting storehouse (1) to fixed mounting has separator box (6), two separator box (6) touch with the left and right sides face of sponge (4) respectively.

5. A stormwater collection multistage filter as claimed in claim 4, wherein: the utility model discloses a sponge collection device, including sponge (4), collection storehouse (1), both sides face all fixed mounting have slider (43) around, the both sides inner wall all is provided with spout (11) around collection storehouse (1), two slider (43) vertical slidable mounting respectively has the inside of two spout (11), one of them the top of slider (43) all fixedly connected with stay cord (431), it is provided with function groove (12) to collect storehouse (1) near the inside of a lateral wall of stay cord (431), the inside vertical slidable mounting of function groove (12) has slide (121), vertical fixedly connected with spring (123) between the top inner wall of slide (121) and function groove (12), the top activity of stay cord (431) runs through spout (11) top inner wall to with the bottom fixed connection of slide (121), the bottom inner wall fixed mounting of function groove (12) has switch (122), the switch (122) is electrically connected with the two hydraulic rods (5).

6. A stormwater collection multistage filter as claimed in claim 4, wherein: the bottom plates of the two separation boxes (6) are all provided with an activated carbon filter screen (61) in a penetrating manner, one side plate of the two separation boxes (6) close to the sponge (4) is provided with a group of mounting grooves (65), the inner walls of the front side and the rear side of the four mounting grooves (65) are all horizontally and rotatably connected with rotating shafts (64), the outer walls of the four rotating shafts (64) are all fixedly sleeved with rollers (62), the outer walls of the four rollers (62) are all provided with a plurality of adsorption holes in an equal distance, the outer walls of the four rollers (62) are all contacted with the side surface of the sponge (4), the inner wall of one side of the two separation boxes (6) far away from the rollers (62) is all fixedly connected with a group of silica gel plates (63), and one side of the four silica gel plates (63) close to the rollers (62) is respectively contacted with the outer walls of the four rollers (62), and the four silica gel plates (63) are all provided with a plurality of through holes (631).

7. A stormwater collection multistage filter as claimed in claim 4, wherein: the center department of sponge (4) is provided with installation cavity (42), the inside fixed mounting of installation cavity (42) has gasbag (421), the top intercommunication of gasbag (421) has out liquid head (422), it all is provided with a plurality of pipes (423) all to go out the left and right sides of liquid head (422), and is a plurality of the equal fixed mounting in one end that goes out liquid head (422) is kept away from in pipe (423) has shower nozzle (424).

8. A stormwater collection multistage filter as claimed in claim 4, wherein: the top of the sponge (4) is respectively provided with a plurality of guide grooves (45) close to the equal intervals of the two sides of the two separation boxes (6).

9. A rainwater collecting multistage filter according to claim 1 wherein: the heating wires (7) are arranged inside the side wall of the top of the collecting bin (1).

10. A rainwater collecting multistage filter according to claim 1 wherein: the inner side surface of the first mounting frame (2) is provided with a downward inclined surface.