CN108579200B - Rainwater collecting and purifying device - Google Patents

Rainwater collecting and purifying device Download PDF

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Publication number
CN108579200B
CN108579200B CN201810464947.6A CN201810464947A CN108579200B CN 108579200 B CN108579200 B CN 108579200B CN 201810464947 A CN201810464947 A CN 201810464947A CN 108579200 B CN108579200 B CN 108579200B
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China
Prior art keywords
filtering
filter screen
box body
box
crawler
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CN201810464947.6A
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CN108579200A (en
Inventor
曹淑杰
曹洪臣
赵炳慧
杨婷婷
王海霞
韩亚娟
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TIANJIN LEISHENG TECHNOLOGY Co.,Ltd.
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Tianjin Leisheng Technology Co ltd
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Publication of CN108579200A publication Critical patent/CN108579200A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D36/00Filter circuits or combinations of filters with other separating devices
    • B01D36/02Combinations of filters of different kinds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/283Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/001Runoff or storm water

Abstract

The application provides a purifier's concrete technical scheme is collected to rainwater, its characterized in that, including rainwater collecting box, purifier and water purification case. The utility model provides a purifier is collected to rainwater, structural design is reasonable, has realized energy saving and emission reduction, green. The inner surface of the box cover of the device is provided with the semicircular groove, so that the rainwater collection efficiency is improved; the crawler-type filtering device is combined with the first inclined filtering net, so that the rainwater collecting and filtering efficiency is greatly improved; the filter screen cleaning device is arranged, so that sundries are prevented from blocking the crawler-type filter screen, and the filtering efficiency is improved; the first filtering component greatly improves the filtering efficiency; the second filtering component improves the filtering efficiency of rainwater and the activated carbon layer, and meanwhile, the left side of the second filtering component has the buffering effect, so that rainwater can be collected and filtered conveniently.

Description

Rainwater collecting and purifying device
Technical Field
The application relates to the technical field of sewage treatment, in particular to a rainwater collection and purification device.
Background
Water resources are basic natural resources, are one of the control factors of ecological environment, and are strategic economic resources, and are a part of the comprehensive national force development of the country. However, the water resource in China faces serious problems, so that the utilization of the water resource in China is more tense nowadays. The total annual water resource of China is 28124 billions of cubic meters in years and occupies the sixth position in the world, but the water resource quantity owned by people is 2200 cubic meters and is only one fourth of the average water resource level of the world, and the water resource is listed as one of 13 water-poor countries, particularly in the northern and western regions of China, the average water resource occupancy of people is 1127 cubic meters and is only 1/3 of the average water resource occupancy of the southern people. In northern areas, river flow is cut off, underground water is seriously overstrained, and the phenomenon of large-area underground water level decline gradually becomes serious. People in many areas have the problem of difficult water use until now, most of water resources are from rivers, underground water and rainfall, and for western areas, rivers and underground water are used as doctors, and rainwater is a good water resource source, so that the daily water use problem of people can be relieved to a great extent if reasonable collection and purification can be realized.
Disclosure of Invention
The present application is provided to solve the above-mentioned technical problems.
The technical scheme adopted by the application is as follows: a rainwater collecting and purifying device is characterized by comprising a rainwater collecting box, a purifying device and a purified water box, wherein the rainwater collecting box comprises a first box body, a rotary box cover, a crawler-type filtering device, a second box body, a vertical filtering plate, a filtering screen cleaning device, a first inclined filtering screen, a filtering water cavity, a sewage storage cavity and a sewage discharge hole; the upper part of the first box body is provided with a rotating box cover, the rotating box cover comprises a box cover, a rotating shaft and a rotating motor, the inner side surface of the box cover is provided with a plurality of semicircular grooves, the box cover is rotatably arranged on the left side of the first box body through the rotating shaft, one end of the rotating shaft is connected with the rotating motor, the upper part of the inner side of the first box body is provided with a crawler-type filtering device, the crawler-type filtering device comprises a driving motor, a driving roller, a driven roller, a plurality of first supporting rods, a plurality of second supporting rods and a crawler-type filtering net, the driving roller is arranged on the left side of the first box body, one end of the driving roller is rotatably fixed on the side wall of the first box body, the other end of the driving roller penetrates through the box wall and is connected with the driving motor, the driven roller is rotatably, the middle part of the inner side of the first box body is provided with a plurality of second supporting rods, the driving roller, the driven roller and the second supporting rods are connected through a crawler-type filter screen, the crawler-type filter screen is in a trapezoid shape with a large upper part and a small lower part, a second box body is arranged between the driving roller, the driven roller and the second supporting rods, the bottom of the second box body is arranged in a manner of being high in the front and low in the rear, the rear side of the second box body is provided with a plurality of first drain holes, the right side below the crawler-type filter device is provided with a vertical filter plate, the vertical filter plate is provided with a filter screen cleaning device, the filter screen cleaning device comprises a plurality of connecting rods, a fixed plate and bristles, the connecting rods are uniformly and fixedly arranged on the upper part of the vertical filter plate, the connecting rods are fixedly connected with the fixed plate, the bristles are arranged, one end of the first inclined filter screen is connected with the left side wall of the first box body, the other end of the first inclined filter screen is connected with the vertical filter plate, the first inclined filter screen, the first box body and the vertical filter plate form a filter water cavity, a plurality of second drain holes are formed in the bottom of the filter water cavity, a sewage storage cavity is formed between the vertical filter plate and the right box wall, the bottom of the sewage storage cavity is arranged in a mode of being high on the left and low on the right, and a sewage discharge hole is formed in the right side of the bottom of the sewage storage; the first drain hole and the second drain hole are connected with the purifying device through pipelines, the purifying device comprises a first filtering device and a second filtering device, the first filtering device comprises a first filtering box body, a first water inlet, a first filtering component, a first water outlet and a second water outlet, the left side of the first filtering box body is provided with the first water inlet, the right side of the first filtering box body is provided with the first filtering component, the first filtering component comprises a horizontal filtering net, a vertical filtering net and a second inclined filtering net, the horizontal filtering net is fixed on the right side wall of the first filtering box body, the upper part of the left end of the horizontal filtering net is provided with the vertical filtering net, the upper part of the vertical filtering net is provided with the second inclined filtering net, one side of the second inclined filtering net is connected with the wall of the first filtering box body, the other side of the second inclined filtering net is connected with the upper end of the vertical filtering net, and the diameters of the, a first water outlet is formed in the upper part of the horizontal filter screen, a second water outlet is formed in the lower part of the second inclined filter screen, the bottom of the first filter box body is low at the left side and high at the right side, and a sewage draining outlet is formed in the left side of the bottom of the first filter box body; the first filtering device is connected with the second filtering device through the first water outlet and the second water outlet; the second filter equipment includes that the second filters box, second water inlet, second filtering component and third delivery port, second filters box left side upper portion and is equipped with the second water inlet, the second water inlet links to each other with first filter equipment, second filters the box right side and is equipped with second filtering component, second filtering component includes first activated carbon layer, second activated carbon layer and third activated carbon layer, first activated carbon layer and third activated carbon layer parallel arrangement are on the internal right side wall of second filter box, and link to each other with the second filters box side from top to bottom, first activated carbon layer and third activated carbon layer left side are connected through second activated carbon layer, be equipped with the third delivery port between first activated carbon layer and the third activated carbon layer, second filter equipment passes through the second delivery port and links to each other with the water purification case.
Further, the crawler-type filter screen is a nylon screen.
Further, the drive roll and the driven roll are nylon rollers, and the first support rod and the second support rod are stainless steel support rods.
Furthermore, the first inclined filter screen is arranged in a left-high-right mode.
Furthermore, the diameters of the crawler-type filter screen, the vertical filter plate and the first inclined filter screen are equal
Further, horizontal filter screen, vertical filter screen and second slope filter screen mesh diameter size equal, and are less than crawler-type filter screen, vertical filter plate and first slope filter screen mesh diameter.
The application has the advantages and positive effects that: the utility model provides a purifier is collected to rainwater, structural design is reasonable, has realized energy saving and emission reduction, green. The device is provided with a rainwater collecting box, the upper part of the rainwater collecting box is provided with a rotating box cover, and the inner surface of the rotating box cover is provided with a semicircular groove, so that rainwater collecting efficiency is improved; the crawler-type filtering device is arranged at the upper part of the inner side of the rainwater collecting box, and the first inclined filtering net is arranged at the bottom of the rainwater collecting box, so that the rainwater filtering efficiency is greatly improved; the lower part of the crawler-type filtering device is provided with the filtering screen cleaning device, so that sundries are prevented from blocking the crawler-type filtering screen, and the filtering efficiency is improved; the sewage storage cavity is arranged to facilitate centralized cleaning of rainwater and sundries; the first filtering component is arranged on the right side of the first filtering device, the first filtering component improves the contact area of rainwater and the filtering net, the filtering efficiency is greatly improved, and the bottom of the first filtering device is arranged in a mode that the left part is lower than the right part, so that sundries after rainwater filtering can be conveniently discharged; the second filter equipment right side is equipped with second filtering component, has improved the filtration efficiency on rainwater and activated carbon layer, and the second filtering component left side has the effect of buffering simultaneously, and the rainwater of being convenient for is collected and is filtered.
In addition to the technical problems addressed by the present application, the technical features constituting the technical solutions, and the advantages brought by the technical features of the technical solutions described above, other technical problems solved by the present application, other technical features included in the technical solutions, and advantages brought by the technical features will be further described in detail below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic structural diagram of a rainwater collecting and purifying device provided in an embodiment of the present application;
FIG. 2 is a right side view of a rainwater collection box provided in an embodiment of the present application;
FIG. 3 is a cross-sectional view of a cover provided in an embodiment of the present application;
FIG. 4 is a schematic structural diagram of a screen cleaning apparatus according to an embodiment of the present disclosure;
FIG. 5 is a schematic structural diagram of a first filtering apparatus provided in an embodiment of the present application;
FIG. 6 is a schematic structural diagram of a second filtering apparatus provided in the embodiments of the present application;
fig. 7 is a top view of a second filter device provided in embodiments of the present application.
In the figure: 1, a rainwater collection box; 110 a first case; 111 a second drain hole; 120 rotating the box cover; 121 case covers; 121a semicircular groove; 122 a rotating shaft; 123 a rotating electrical machine; 130 a track-mounted filter unit; 131 drive the motor; 132 drive rollers; 133 driven rollers; 134 a first support bar; 135 a second support bar; 136 crawler-type filter screens; 140 a second case; 141 a first drain hole; 150 vertical filter plates; 160 a screen cleaning device; 161 connecting rod; 162 securing the plate; 163 bristles; 170 first inclined screen; 180 a water filtering cavity; 190 a sewage storage cavity; 191 a sewage draining hole; 2, a purification device; 210 a first filter device; 211a first filter housing; 211a sewage draining outlet; 212 a first water inlet; 213a first filter element; 213a horizontal screen; 213b vertical screens; 213c a second inclined screen; 214 a first water outlet; 215 a second water outlet; 220 a second filter device; 221 a second filter housing; 222 a second water inlet; 223a second filter assembly; 223a first activated carbon layer; 223b a second activated carbon layer; 223c a third activated carbon layer; 224 a third water outlet; 3 water purifying tank
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1, the present embodiment is a rainwater collecting and purifying device, which is characterized by comprising a rainwater collecting tank 1, a purifying device 2 and a purified water tank 3.
As shown in fig. 1, 2, 3 and 4, the rainwater collection tank 1 includes a first tank 110, a rotary tank cover 120, a crawler-type filter device 130, a second tank 140, a vertical filter plate 150, a screen cleaning device 160, a first inclined screen 170, a filter water chamber 180 and a sewage storage chamber 190; the upper portion of the first box body 110 is provided with a rotating box cover 120, the rotating box cover 120 comprises a box cover 121, a rotating shaft 122 and a rotating motor 123, the inner side surface of the box cover 121 is provided with a plurality of semicircular grooves 121a, the box cover 121 is rotatably arranged on the left side of the first box body 110 through the rotating shaft 122, one end of the rotating shaft 122 is connected with the rotating motor 123, the upper portion of the inner side of the first box body 110 is provided with a crawler-type filtering device 130, the crawler-type filtering device 130 comprises a driving motor 131, a driving roller 132, a driven roller 133, a plurality of first supporting rods 134, a plurality of second supporting rods 135 and a crawler-type filtering net 136, the driving roller 132 is arranged on the left side of the first box body 110, one end of the driving roller 132 is rotatably fixed on the side wall of the first box body 110, one end of the driving roller 132 passes through the box wall to be connected with the driving motor 131, the first supporting rod 134 is rotatably arranged on the front and rear box walls, the middle part of the inner side of the first box body 110 is provided with a plurality of second supporting rods 135, the driving roller 132 and the driven roller 133 are nylon rollers, and the first supporting rod 134 and the second supporting rod 135 are stainless steel supporting rods. The driving roller 132, the driven roller 133 and the second support rod 135 are connected through a crawler-type filter screen 136, and the crawler-type filter screen 136 is a nylon screen. The crawler-type filter screen 136 is in a trapezoid shape with a large upper part and a small lower part, a second box 140 is arranged between the driving roller 132, the driven roller 133 and the second support rod 135, the bottom of the second box 140 is arranged in a manner of high front and low back, the rear side of the second box 140 is provided with a plurality of first drainage holes 141, the right side below the crawler-type filter device 130 is provided with a vertical filter plate 150, the vertical filter plate 150 is provided with a filter screen cleaning device 160, the filter screen cleaning device 160 comprises a plurality of connecting rods 161, a fixing plate 162 and bristles 163, the connecting rods 161 are uniformly and fixedly arranged on the upper part of the vertical filter plate 150, the connecting rods 161 and the fixing plate 162 are fixedly connected, the bristles 163 are arranged on the fixing plate 162, the vertical filter plate 150 is provided with a first inclined filter screen 170, the diameter of the first inclined filter screen 170 is equal to the diameter of the holes of the crawler-type filter screen 136, the other end of the first inclined filter screen 170, the first box body 110 and the vertical filter plate 150 form a filter water cavity 180, the bottom of the filter water cavity 180 is provided with a plurality of second drain holes 111, a sewage storage cavity 190 is formed between the vertical filter plate 150 and the right box wall, the bottom of the sewage storage cavity 190 is arranged in a left-high-right mode, and the right side of the bottom of the sewage storage cavity 190 is provided with a sewage discharge hole 191;
as shown in fig. 5, the first drain hole 141 and the second drain hole 111 are connected to the purification apparatus 2 through a pipe, the purification apparatus 2 includes a first filtering apparatus 210 and a second filtering apparatus 220, the first filtering apparatus 210 includes a first filtering tank 211, a first water inlet 212, a first filtering assembly 213, a first water outlet 214 and a second water outlet 215, the first filtering tank 211 is provided with the first water inlet 212 at the left side, the first filtering tank 211 is provided with the first filtering assembly 213 at the right side, the first filtering assembly 213 includes a horizontal filtering net 213a, a vertical filtering net 213b and a second inclined filtering net 213c, the horizontal filtering net 213a is fixed to the right side wall of the first filtering tank 211, the vertical filtering net 213b is provided at the upper portion of the left end of the horizontal filtering net 213a, the second inclined filtering net 213c is provided at the upper portion of the vertical filtering net 213b, and one side of the second inclined filtering net 213c is connected to the wall of the first filtering tank 211, the other side links to each other with vertical filter screen 213b upper end, horizontal filter screen 213a, vertical filter screen 213b and second slope filter screen 213c mesh diameter size are equal, and are less than crawler-type filter screen 136, vertical filter plate 150 and first slope filter screen 160 mesh diameter. A first water outlet 214 is formed in the upper part of the horizontal filter screen 213a, a second water outlet 215 is formed in the lower part of the second inclined filter screen 213c, the bottom of the first filter tank body 211 is low at the left and high at the right, and a sewage outlet 211a is formed in the left side of the bottom of the first filter tank body 211; the first filtering device 210 is connected with the second filtering device 220 through the first water outlet 214 and the second water outlet 215;
as shown in fig. 6 and 7, the second filtering apparatus 220 includes a second filtering tank 221, a second water inlet 222, a second filtering component 223 and a third water outlet 224, the second filtering tank 221 is provided with the second water inlet 222 at the upper portion of the left side, the second water inlet 222 is connected to the first filtering apparatus 210, the second filtering tank 221 is provided with the second filtering component 223 at the right side, the second filtering component 223 includes a first activated carbon layer 223a, a second activated carbon layer 223b and a third activated carbon layer 223c, the first activated carbon layer 223a and the third activated carbon layer 223c are arranged in parallel on the inner right side wall of the second filtering tank 221 and connected to the upper and lower sides of the second filtering tank 221, the first activated carbon layer 223a and the third activated carbon layer 223c are connected at the left side by the second activated carbon layer 223b, the third water outlet 224 is arranged between the first activated carbon layer 223a and the third activated carbon layer 223c, the second filter device 220 is connected to the fresh water tank 3 through the second water outlet 215.
The embodiments of the present application have been described in detail, but the description is only for the preferred embodiments of the present application and should not be construed as limiting the scope of the application. All equivalent changes and modifications made within the scope of the present application shall fall within the scope of the present application.

Claims (6)

1. The rainwater collecting and purifying device is characterized by comprising a rainwater collecting box (1), a purifying device (2) and a purified water box (3), wherein the rainwater collecting box (1) comprises a first box body (110), a rotary box cover (120), a crawler-type filtering device (130), a second box body (140), a vertical filtering plate (150), a filtering screen cleaning device (160), a first inclined filtering screen (170), a water filtering cavity (180) and a sewage storage cavity (190); the utility model discloses a crawler-type filter device, including first box (110), rotatory case lid (120) is equipped with rotatory case lid (120) on first box (110) upper portion, rotatory case lid (120) includes case lid (121), pivot (122) and rotating electrical machines (123), case lid (121) medial surface is equipped with a plurality of semicircular groove (121a), case lid (121) is rotatory through pivot (122) and is set up in first box (110) left side, pivot (122) one end links to each other with rotating electrical machines (123), first box (110) inboard upper portion is equipped with crawler-type filter device (130), crawler-type filter device (130) include driving motor (131), drive roll (132), driven roll (133), a plurality of first bracing piece (134), a plurality of second bracing piece (135) and crawler-type filter screen (136), drive roll (132) set up in first box (110) left side, drive roll (132) one end is rotatory to be fixed on first box (110) lateral wall, one end of the crawler-type filter device penetrates through the box wall to be connected with a driving motor (131), a driven roller (133) is rotatably arranged on the right side of a first box body (110), a plurality of first supporting rods (134) are arranged between the driving roller (132) and the driven roller (133), the first supporting rods (134) are rotatably arranged on the front and rear box walls, a plurality of second supporting rods (135) are arranged in the middle of the inner side of the first box body (110), the driving roller (132), the driven roller (133) and the second supporting rods (135) are connected through a crawler-type filter screen (136), the crawler-type filter screen (136) is in a shape of a trapezoid with a large upper part and a small lower part, a second box body (140) is arranged between the driving roller (132), the driven roller (133) and the second supporting rods (135), the bottom of the second box body (140) is arranged in a shape of a high front part and a low part, a plurality of first water drainage holes (141) are arranged on the rear side, the filter screen cleaning device (160) is arranged on the vertical filter plate (150), the filter screen cleaning device (160) comprises a plurality of connecting rods (161), a fixing plate (162) and bristles (163), the connecting rods (161) are uniformly and fixedly arranged on the upper portion of the vertical filter plate (150), the connecting rods (161) are fixedly connected with the fixing plate (162), the bristles (163) are arranged on the fixing plate (162), a first inclined filter screen (170) is arranged on the vertical filter plate (150), the diameter of a filter hole of the first inclined filter screen (170) is equal to that of a hole of the crawler-type filter screen (136), one end of the first inclined filter screen (170) is connected with the left side wall of the first box body (110), the other end of the first inclined filter screen is connected with the vertical filter plate (150), the first inclined filter screen (170), the first box body (110) and the vertical filter plate (150) form a filter water cavity (180), a plurality of second drain holes (111) are formed at the, a sewage storage cavity (190) is formed between the vertical filter plate (150) and the right box wall, the bottom of the sewage storage cavity (190) is arranged in a left-high and right-low mode, and a sewage discharge hole (191) is formed in the right side of the bottom of the sewage storage cavity (190);
the first drainage hole (141) and the second drainage hole (111) are connected with the purification device (2) through a pipeline, the purification device (2) comprises a first filtering device (210) and a second filtering device (220), the first filtering device (210) comprises a first filtering box body (211), a first water inlet (212), a first filtering component (213), a first water outlet (214) and a second water outlet (215), the first water inlet (212) is arranged on the left side of the first filtering box body (211), the first filtering component (213) is arranged on the right side of the first filtering box body (211), the first filtering component (213) comprises a horizontal filtering net (213a), a vertical filtering net (213b) and a second inclined filtering net (213c), the horizontal filtering net (213a) is fixed on the right side wall of the first filtering box body (211), the upper part of the left end of the horizontal filtering net (213a) is provided with a vertical filtering net (213b), a second inclined filter screen (213c) is arranged on the upper part of the vertical filter screen (213b), one side of the second inclined filter screen (213c) is connected with the wall of the first filter box body (211), the other side of the second inclined filter screen is connected with the upper end of the vertical filter screen (213b), the mesh diameters of the horizontal filter screen (213a), the vertical filter screen (213b) and the second inclined filter screen (213c) are equal, a first water outlet (214) is formed in the upper part of the horizontal filter screen (213a), a second water outlet (215) is formed in the lower part of the second inclined filter screen (213c), the bottom of the first filter box body (211) is low at the left side and high at the right side, and a sewage outlet (211a) is formed in the left side of; the first filtering device (210) is connected with the second filtering device (220) through a first water outlet (214) and a second water outlet (215);
the second filtering device (220) comprises a second filtering box body (221), a second water inlet (222), a second filtering component (223) and a third water outlet (224), the upper portion of the left side of the second filtering box body (221) is provided with a second water inlet (222), the second water inlet (222) is connected with the first filtering device (210), the right side of the second filtering box body (221) is provided with the second filtering component (223), the second filtering component (223) comprises a first activated carbon layer (223a), a second activated carbon layer (223b) and a third activated carbon layer (223c), the first activated carbon layer (223a) and the third activated carbon layer (223c) are arranged on the right side wall in the second filtering box body (221) in parallel and are connected with the upper side and the lower side of the second filtering box body (221), the left sides of the first activated carbon layer (223a) and the third activated carbon layer (223c) are connected through the second activated carbon layer (223b), a third water outlet (224) is arranged between the first activated carbon layer (223a) and the third activated carbon layer (223c), and the second filtering device (220) is connected with the purified water tank (3) through a second water outlet (215).
2. A rainwater collecting and purifying device according to claim 1, wherein: the crawler-type filter screen (136) is a nylon screen.
3. A rainwater collecting and purifying device according to claim 1, wherein: the driving roller (132) and the driven roller (133) are nylon rollers, and the first supporting rod (134) and the second supporting rod (135) are stainless steel supporting rods.
4. A rainwater collecting and purifying device according to claim 1, wherein: the first inclined filter screen (170) is arranged in a left-high and right-low manner.
5. A rainwater collecting and purifying device according to claim 1, wherein: the mesh diameters of the crawler-type filter screen (136), the vertical filter plate (150) and the first inclined filter screen (170) are equal.
6. A rainwater collecting and purifying device according to claim 1, wherein: horizontal filter screen (213a), vertical filter screen (213b) and second slope filter screen (213c) mesh diameter size equals, and is less than crawler-type filter screen (136), vertical filter plate (150) and first slope filter screen (170) mesh diameter.
CN201810464947.6A 2018-05-16 2018-05-16 Rainwater collecting and purifying device Active CN108579200B (en)

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CN110258751A (en) * 2019-06-22 2019-09-20 东莞市永庆市政服务有限公司 A kind of municipal rainwater storage system
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