CN106904790B - Rainwater recycling treatment device and method - Google Patents

Rainwater recycling treatment device and method Download PDF

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Publication number
CN106904790B
CN106904790B CN201710127556.0A CN201710127556A CN106904790B CN 106904790 B CN106904790 B CN 106904790B CN 201710127556 A CN201710127556 A CN 201710127556A CN 106904790 B CN106904790 B CN 106904790B
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pipe
wetland
stainless steel
groove
water
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CN106904790A (en
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夏世斌
李二毛
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Wuhan University of Technology WUT
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Wuhan University of Technology WUT
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water, or sewage
    • 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
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/105Phosphorus compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/16Nitrogen compounds, e.g. ammonia
    • 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
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/40Liquid flow rate
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/32Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used

Abstract

The invention belongs to the technical field of rainwater recycling. The utility model provides a processing apparatus of rainwater resourceization which characterized in that, includes the regulation pond, and the export in regulation pond links to each other with the import on No. 1 constructed wetland upper portion through first connecting pipe, and the export of No. 1 constructed wetland bottom links to each other with the import of No. 2 constructed wetland bottom through the second connecting pipe, and the export on No. 2 constructed wetland upper portion is connected with the inlet of PE-ACF composite filter element filter unit through the third connecting pipe, and the export of PE-ACF composite filter element filter unit is connected with the drain pipe. The device and the method can realize high-efficiency reclamation of the rainwater on the ground surface.

Description

Rainwater recycling treatment device and method
Technical Field
The invention belongs to the technical field of rainwater recycling, and particularly relates to a rainwater recycling treatment device and method.
Background
The surface water resources in the south-west karst region of China are rich, the annual precipitation amount is about 800-1200mm, but the space-time distribution is uneven, and the surface rainwater resources are leaked quickly, so that the underground water resources are rich, but the surface water is deficient, and the problems of engineering and seasonal water shortage are caused.
In order to solve the problems, in recent years, a large number of water cellars are built in karst rocky mountains in southwest, so that the problem of water shortage existing in dry season drinking of people and animals and dry land irrigation in the karst rocky mountains is effectively solved, but a large number of water cellars have the problem of water shortage due to turbidity (SS) and microbial pollution (the total number of bacteria exceeds the standard), and the drinking safety of local people and animals is seriously damaged. Therefore, the key for effectively improving the quality of rainwater collected by the water cellar is to solve the problem of efficient utilization of surface rainwater resources in the karst region.
Disclosure of Invention
The invention aims to solve the technical problems and provides a rainwater recycling device and method, which can realize efficient recycling of surface rainwater.
The technical scheme adopted by the invention for solving the problems is as follows: the utility model provides a processing apparatus of rainwater resourceization, which comprises a regulation pond 1, the export in regulation pond links to each other through the import of first connecting pipe 2 with No. 1 constructed wetland 4 upper portion, the export of No. 1 constructed wetland 4 bottom links to each other through the import of second connecting pipe 6 with No. 2 constructed wetland 7 bottom, the export of No. 2 constructed wetland 7 upper portion is connected with the inlet of PE-ACF composite filter element filter unit through third connecting pipe 9, PE-ACF composite filter element filter unit's export is connected with drain pipe 19.
According to the scheme, the regulation and storage tank is higher than the number 1 artificial wetland 4, the upper part of the regulation and storage tank is provided with a water outlet, and the lower part of the regulation and storage tank is connected with the number 1 artificial wetland through a first connecting pipe.
According to the scheme, the No. 1 artificial wetland comprises a wetland container body and wetland fillers, a groove 3 is formed in the upper portion of the inside of the wetland container body, a plurality of water outlet holes are formed in one side of the groove, a first connecting pipe 2 is communicated with the groove 3, gravel and volcanic rocks are sequentially paved in the wetland container body from bottom to top to serve as the wetland fillers, the volume ratio of the gravel to the volcanic rocks is 1:3, and calamus is planted in the upper wetland filler portion.
According to the scheme, the No. 2 constructed wetland comprises a wetland container body and wetland fillers, gravels and volcanic rocks are sequentially paved in the wetland container body from bottom to top to serve as the wetland fillers, the volume ratio of the gravels to the volcanic rocks is 1:3, and calamus 5 is planted on the upper parts of the wetland fillers; the inlet of the No. 2 artificial wetland is arranged at the lower end of the wetland container body; 2 # artificial wetland's export is located wetland container body upper portion, and the wetland container body outlet side is equipped with the recess board, and recess board and the outlet side of the wetland container body form recess 8, and the recess board upside is opened has a plurality of apopores, and third connecting pipe 9 is linked together with recess 8.
According to the scheme, the PE-ACF composite filter element filtering unit comprises a stainless steel central hole pipe 13, an upper fixing nut 10, an upper movable end cover 11, a lower fixing end cover 12, an activated carbon fiber felt 14 wrapped by a polyethylene fiber mesh, a fixed stainless steel screen 15, PP cotton 16, an outer flow guide hole pipe 17, an outer flow collecting sleeve pipe 18 and a drain pipe 19, wherein the outer flow collecting sleeve pipe 18 is of a cylindrical barrel structure, one end of the stainless steel central hole pipe 13, one end of the fixed stainless steel screen 15 and one end of the outer flow guide hole pipe 17 are welded on the lower fixing end cover 12, the stainless steel central hole pipe 13 is positioned in the fixed stainless steel screen 15, the activated carbon fiber felt 14 wrapped by the polyethylene fiber mesh is filled between the stainless steel central hole pipe 13 and the fixed stainless steel screen 15, the fixed stainless steel screen 15 is positioned in the outer flow guide hole pipe 17, the PP cotton 16 is filled between the fixed stainless steel screen 15 and the outer flow guide hole pipe 17, the outer flow guide hole pipe 17 is positioned in the outer flow collecting sleeve 18, the lower end of the outer flow collecting sleeve 18 is provided with a drain pipe 19, a water cavity 20 is formed between the outer flow guide hole pipe 17 and the outer flow collecting sleeve 18, and the drain pipe 19 is communicated with the water cavity; the upper movable end cover 11 is sleeved on the stainless steel central hole pipe 13, the upper movable end cover 11 is in contact with the upper side of the outer flow guide hole pipe 17 and the upper side of the outer flow collecting sleeve 18, the upper fixing nut 10 is located on the upper side of the upper movable end cover 11, the stainless steel central hole pipe 13 is in threaded connection with the upper fixing nut 10, and the upper end of the stainless steel central hole pipe is communicated with the third connecting pipe 9. The activated carbon fiber felt is provided with abundant regularly arranged micropores and organic functional groups, fine suspended matters in water can be filtered and adsorbed, low-concentration organic matters, N, P compounds, heavy metal ions, microorganisms, bacteria and the like, polyethylene fibers wound on the activated carbon fiber felt block larger particles and resist certain hydraulic impact, activated carbon fiber poisoning is avoided, the use strength of the activated carbon fiber felt is improved, and subsequent PP cotton prevents overflowed activated carbon fibers from entering water to cause secondary pollution.
A rainwater recycling treatment method is characterized by comprising the following steps:
1) the regulation and storage tank regulates and stores the collected rainwater, an overflow hole is formed in the upper portion of the regulation and storage tank, when the rainwater greatly exceeds the treatment capacity, the rainwater overflows through the overflow hole, and the collected rainwater enters the No. 1 artificial wetland from the first connecting pipe through a water outlet hole in the lower portion of the regulation and storage tank;
2) the flow of rainwater entering the No. 1 artificial wetland is controlled by a valve on the first connecting pipe, the rainwater enters the No. 1 artificial wetland through a plurality of water outlet holes in the groove after entering the groove of the No. 1 artificial wetland, the water flow direction is from top to bottom, and the rainwater enters the No. 2 artificial wetland from the water outlet holes through the second connecting pipe after reaching the bottom end;
3) the water inlet flow entering the No. 2 artificial wetland is controlled by a valve in the middle of the second connecting pipe, water flows enter from the bottom end of the No. 2 artificial wetland, the water flows overflow into the groove from a water outlet hole on the upper side of the groove plate after reaching the upper part from bottom to top, and then enter the PE-ACF composite filter element filtering unit from an outlet on the wetland container body on one side of the groove through a third connecting pipe;
4) water firstly enters a stainless steel central hole pipe 13 of the PE-ACF composite filter element filtering unit through a third connecting pipe, flows out from a water outlet hole of the stainless steel central hole pipe 13, then is subjected to filtering and adsorption treatment by an activated carbon fiber felt 14 and PP cotton wrapped by a polyethylene fiber net, is guided by an outer guide hole pipe 17 to enter a water cavity 20 in an outer collecting sleeve, and finally flows together to a drain pipe at the tail end to be discharged.
The invention adopts a treatment process method combining a composite vertical flow artificial wetland technology and a roll type PE fiber net-activated carbon fiber felt composite adsorption technology, can realize high-efficiency reclamation of surface rainwater, and simultaneously greatly improves the service life and the use strength of the activated carbon fiber by the composite use technology of the PE fiber net and the activated carbon fiber felt.
The invention has the beneficial effects that: the composite vertical flow constructed wetland is utilized to pretreat rainwater, the rainwater is subjected to the filtration and adsorption effect of the matrix, the absorption effect of plants and the degradation effect of microorganisms in the matrix, indexes such as SS, COD, total nitrogen, total phosphorus and the like in the rainwater are effectively reduced, and then the filtration and adsorption effect of the PE-ACF composite filter element filtering unit is utilized to greatly purify the effluent, so that the three water quality standards of surface water are basically met. Meanwhile, the polyethylene fiber net is adopted to wind and wrap the whole activated carbon fiber felt in a compact net structure, so that macromolecular particles are effectively intercepted, certain hydraulic impact is counteracted, the service life and the service strength of the activated carbon fiber felt are greatly improved. And moreover, each adsorption layer of the PE-ACF composite filter element filtering unit is relatively independent, and the replacement and washing operation is very convenient in use.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
FIG. 2 is a schematic structural diagram of a PE-ACF composite filter element filtering unit according to the present invention.
Fig. 3 is a schematic diagram of the wrapping of activated carbon fiber felt by polyethylene fiber net (reticulation).
Wherein: 1. the device comprises a regulation and storage tank, 2, a first connecting pipe, 3, a groove, 4.1 # artificial wetland, 5, a calamus, 6, a second connecting pipe, 7.2 # artificial wetland, 8, a groove, 9, a third connecting pipe, 10, an upper fixing nut, 11, an upper movable end cover, 12, a lower fixing end cover, 13, a stainless steel central hole pipe, 14, an activated carbon fiber felt wrapped by a polyethylene fiber net, 15, a fixed stainless steel wire net, 16, PP cotton, 17, an outer flow guide hole pipe, 18, an outer flow collection sleeve, 19, a drain pipe and 20, a water cavity.
Detailed Description
For a better understanding of the present invention, reference is made to the following description taken in conjunction with the accompanying drawings and examples.
As shown in fig. 1, 2 and 3, the rainwater recycling treatment device comprises a regulation pool 1, wherein an outlet of the regulation pool is connected with an inlet (a port of a groove 3) at the upper part of a No. 1 artificial wetland 4 through a first connecting pipe 2, an outlet at the bottom of the No. 1 artificial wetland 4 is connected with an inlet at the bottom of a No. 2 artificial wetland 7 through a second connecting pipe 6, an outlet at the upper part of the No. 2 artificial wetland 7 is connected with an inlet of a PE-ACF composite filter element filtering unit through a third connecting pipe 9, and an outlet of the PE-ACF composite filter element filtering unit is connected with a drain pipe 19.
Valves are arranged on the first connecting pipe 2, the second connecting pipe 6 and the third connecting pipe 9.
The regulation pond is higher than number 1 constructed wetland 4 (locate the eminence, and the hydroenergy of regulation pond is from flowing into in number 1 constructed wetland 4), and regulation pond upper portion is equipped with the outlet, and the regulation pond lower part links to each other with number 1 constructed wetland through first connecting pipe.
The No. 1 artificial wetland comprises a wetland container body (or called a tank body) and wetland filler, wherein a groove 3 is formed in the upper part in the wetland container body (the No. 1 artificial wetland inlet is formed in the upper part of the wetland), a plurality of water outlet holes are formed in one side of the groove, a first connecting pipe 2 is communicated with the groove 3, gravel and volcanic rocks are sequentially paved in the wetland container body from bottom to top to serve as the wetland filler, the volume ratio of the gravel to the volcanic rocks is 1:3, and an acorus calamus is planted in the upper wetland filler part.
The No. 2 constructed wetland comprises a wetland container body and wetland fillers, wherein gravels and volcanic rocks are sequentially paved in the wetland container body from bottom to top to serve as the wetland fillers, the volume ratio of the gravels to the volcanic rocks is 1:3, and calamus 5 is planted on the upper parts of the wetland fillers; the inlet of the No. 2 artificial wetland is arranged at the lower end of the wetland container body; the wetland container body upper portion (the export on the wetland container body of recess one side) is located to No. 2 constructed wetland's export, and the wetland container body outlet side is equipped with the recess board, and the recess board forms recess 8 with the wetland container body outlet side, and the recess board upside is opened has a plurality of apopores, and third connecting pipe 9 is linked together with recess 8.
The two undercurrent type No. 1 and No. 2 artificial wetlands are compounded, one water flow flows from top to bottom, the other water flow flows from bottom to top, rainwater firstly enters the descending pool, is primarily purified through the filtering action of wetland fillers (or called matrixes), the absorption action of plants and the degradation action of microorganisms in the wetland fillers (or called matrixes), and then is subjected to the treatment of the three actions again in the process of upward overflowing of the rainwater in the ascending pool, so that the water body is further purified.
The PE-ACF composite filter element filtering unit (or called composite filter element filtering unit) comprises a stainless steel central hole pipe 13, an upper fixing nut 10, an upper movable end cover 11, a lower fixed end cover 12, an activated carbon fiber felt 14 wrapped by a polyethylene fiber mesh, a fixed stainless steel mesh 15, PP cotton 16, an outer flow guide hole pipe 17, an outer flow collecting sleeve 18 and a drain pipe 19, wherein the outer flow collecting sleeve 18 is of a cylindrical barrel structure (the whole composite filter element filtering device is of a cylindrical barrel structure), the stainless steel central hole pipe (namely a steel pipe is provided with a water outlet hole which is positioned at the center of the whole device) 13, the fixed stainless steel mesh 15 and the outer flow guide hole pipe (the outer flow guide hole pipe is provided with a water outlet hole which is used for water to flow through) 17, one end (the other end is suspended and flush) of the stainless steel central hole pipe 13 is positioned in the fixed stainless steel mesh 15, the activated carbon fiber felt 14 wrapped by the polyethylene fiber mesh is filled in the stainless steel central hole pipe 13 and the fixed stainless steel central hole pipe 12 Between the steel wire meshes 15, the fixed stainless steel wire mesh 15 is positioned in the outer flow guide hole pipe 17, the PP cotton 16 is filled between the fixed stainless steel wire mesh 15 and the outer flow guide hole pipe 17, the outer flow guide hole pipe 17 is positioned in the outer flow collecting sleeve 18, the lower end (namely the right end in figure 1) of the outer flow collecting sleeve 18 is provided with a drain pipe 19, a water cavity 20 is formed between the outer flow guide hole pipe 17 and the outer flow collecting sleeve 18, and the drain pipe 19 is communicated with the water cavity; the upper movable end cover 11 is sleeved on the stainless steel central hole pipe 13 (the middle part of the upper movable end cover 11 is provided with a hole, the stainless steel central hole pipe 13 penetrates through the hole), the upper movable end cover 11 is contacted with the upper side (namely the left side in figure 1) of the outer flow guide hole pipe 17 and the upper side (namely the left side in figure 1) of the outer flow collecting sleeve 18, the upper fixing nut 10 is positioned on the upper side (namely the left side in figure 1) of the upper movable end cover 11, the stainless steel central hole pipe 13 is in threaded connection with the upper fixing nut 10 (namely the water cavity is sealed), and the upper end (namely the left end in figure 1) of the stainless steel central hole pipe is communicated with the third connecting pipe 9. The activated carbon fiber felt is provided with abundant regularly arranged micropores and organic functional groups, fine suspended matters in water can be filtered and adsorbed, low-concentration organic matters, N, P compounds, heavy metal ions, microorganisms, bacteria and the like, a polyethylene fiber net wound on the activated carbon fiber felt blocks larger particles and resists certain hydraulic impact, activated carbon fiber poisoning is avoided, the use strength of the activated carbon fiber felt is improved, and subsequent PP cotton prevents overflowed activated carbon fibers from entering a water body to cause secondary pollution.
The activated carbon fiber mat 14 wrapped with the polyethylene fiber mesh is composed of an activated carbon fiber mat and a polyethylene fiber mesh (polyethylene composite fiber), and the activated carbon fiber mat is wrapped with the polyethylene fiber mesh in a winding manner.
The upper movable end cover and the lower fixed end cover seal the activated carbon fiber felt, the PP cotton, the fixed stainless steel wire mesh 15 and the outer flow guide hole pipe which are wrapped by the polyethylene fiber mesh outside the stainless steel central hole pipe, and a plurality of water outlet holes are formed in the stainless steel central hole pipe and the outer flow guide hole pipe.
A rainwater recycling treatment method (a method for recycling rainwater by adopting the treatment device) comprises the following steps:
1) the regulation and storage tank regulates and stores the collected rainwater, an overflow hole is formed in the upper portion of the regulation and storage tank, when the rainwater greatly exceeds the treatment capacity, the rainwater overflows through the overflow hole, and the collected rainwater enters the No. 1 artificial wetland from the first connecting pipe through a water outlet hole in the lower portion of the regulation and storage tank;
2) the flow of rainwater entering the No. 1 artificial wetland is controlled by a valve (No. 1 valve) on the first connecting pipe, the rainwater enters the No. 1 artificial wetland through a plurality of water outlet holes in the groove after entering the groove of the No. 1 artificial wetland, the direction of the water flow is from top to bottom, and the rainwater enters the No. 2 artificial wetland through the second connecting pipe from the water outlet hole after reaching the bottom end;
3) the water inlet flow entering the No. 2 constructed wetland is controlled by a valve (No. 2 valve) in the middle of the second connecting pipe, water flows enter from the bottom end of the No. 2 constructed wetland, the water flows overflow into the groove from a water outlet hole on the upper side of the groove plate after reaching the upper part from bottom to top, and then enter the PE-ACF composite filter element filtering unit from an outlet hole (water outlet hole) on the wetland container body on one side of the groove through the third connecting pipe;
4) water firstly enters a stainless steel central hole pipe 13 of the PE-ACF composite filter element filtering unit through a third connecting pipe, flows out from a water outlet hole of the stainless steel central hole pipe 13, then is subjected to filtering and adsorption treatment by an activated carbon fiber felt 14 and PP cotton wrapped by a polyethylene fiber net, is guided by an outer guide hole pipe 17 to enter a water cavity 20 in an outer collecting sleeve, and finally flows together to a drain pipe at the tail end (lower end) to be discharged.

Claims (2)

1. The rainwater recycling treatment device is characterized by comprising a regulation and storage tank (1), wherein an outlet of the regulation and storage tank is connected with an inlet at the upper part of a No. 1 artificial wetland (4) through a first connecting pipe (2), an outlet at the bottom of the No. 1 artificial wetland (4) is connected with an inlet at the bottom of a No. 2 artificial wetland (7) through a second connecting pipe (6), an outlet at the upper part of the No. 2 artificial wetland (7) is connected with an inlet of a PE-ACF composite filter element filtering unit through a third connecting pipe (9), and an outlet of the PE-ACF composite filter element filtering unit is connected with a drain pipe (19);
the regulation and storage tank is higher than the No. 1 constructed wetland (4), a water outlet is formed in the upper part of the regulation and storage tank, and the lower part of the regulation and storage tank is connected with the No. 1 constructed wetland through a first connecting pipe;
the No. 1 artificial wetland comprises a wetland container body and wetland filler, wherein a groove (3) is formed in the upper part in the wetland container body, a plurality of water outlet holes are formed in one side of the groove, a first connecting pipe (2) is communicated with the groove (3), gravel and volcanic rocks are sequentially paved in the wetland container body from bottom to top to serve as the wetland filler, the volume ratio of the gravel to the volcanic rocks is 1:3, and an acorus calamus is planted in the upper wetland filler part;
the No. 2 artificial wetland comprises a wetland container body and wetland fillers, wherein gravels and volcanic rocks are sequentially paved in the wetland container body from bottom to top to serve as the wetland fillers, the volume ratio of the gravels to the volcanic rocks is 1:3, and calamus (5) is planted on the upper parts of the wetland fillers; the inlet of the No. 2 artificial wetland is arranged at the lower end of the wetland container body; the outlet of the No. 2 artificial wetland is arranged at the upper part of the wetland container body, the outlet side of the wetland container body is provided with a groove plate, the groove plate and the outlet side of the wetland container body form a groove (8), the upper side of the groove plate is provided with a plurality of water outlet holes, and a third connecting pipe (9) is communicated with the groove (8);
the PE-ACF composite filter element filtering unit comprises a stainless steel central hole pipe (13), an upper fixing nut (10), an upper movable end cover (11), a lower fixing end cover (12), an activated carbon fiber felt (14) wrapped by a polyethylene fiber mesh, a fixed stainless steel screen (15), PP cotton (16), an outer flow guide hole pipe (17), an outer flow collection sleeve pipe (18) and a drain pipe (19), wherein the outer flow collection sleeve pipe (18) is of a cylindrical barrel structure, one end of each of the stainless steel central hole pipe (13), the fixed stainless steel screen (15) and the outer flow guide hole pipe (17) is welded on the lower fixing end cover (12), the stainless steel central hole pipe (13) is positioned in the fixed stainless steel screen (15), the activated carbon fiber felt (14) wrapped by the polyethylene fiber mesh is filled between the stainless steel central hole pipe (13) and the fixed stainless steel screen (15), the fixed stainless steel screen (15) is positioned in the outer flow guide hole pipe (17), PP cotton (16) is filled between a fixed stainless steel wire mesh (15) and an outer flow guide hole pipe (17), the outer flow guide hole pipe (17) is positioned in an outer flow collecting sleeve (18), a drain pipe (19) is arranged at the lower end of the outer flow collecting sleeve (18), a water cavity (20) is formed between the outer flow guide hole pipe (17) and the outer flow collecting sleeve (18), and the drain pipe (19) is communicated with the water cavity; an upper movable end cover (11) is sleeved on a stainless steel central hole pipe (13), the upper movable end cover (11) is in contact with the upper side of an outer flow guide hole pipe (17) and the upper side of an outer flow collecting sleeve (18), an upper fixing nut (10) is positioned on the upper side of the upper movable end cover (11), the stainless steel central hole pipe (13) is in threaded connection with the upper fixing nut (10), and the upper end of the stainless steel central hole pipe is communicated with a third connecting pipe (9).
2. A treatment method using the rainwater recycling treatment apparatus according to claim 1, comprising the steps of:
1) the regulation and storage tank regulates and stores the collected rainwater, an overflow hole is formed in the upper portion of the regulation and storage tank, when the rainwater greatly exceeds the treatment capacity, the rainwater overflows through the overflow hole, and the collected rainwater enters the No. 1 artificial wetland from the first connecting pipe through a water outlet hole in the lower portion of the regulation and storage tank;
2) the flow of rainwater entering the No. 1 artificial wetland is controlled by a valve on the first connecting pipe, the rainwater enters the No. 1 artificial wetland through a plurality of water outlet holes in the groove after entering the groove of the No. 1 artificial wetland, the water flow direction is from top to bottom, and the rainwater enters the No. 2 artificial wetland from the water outlet holes through the second connecting pipe after reaching the bottom end;
3) the water inlet flow entering the No. 2 artificial wetland is controlled by a valve in the middle of the second connecting pipe, water flows enter from the bottom end of the No. 2 artificial wetland, the water flows overflow into the groove from a water outlet hole on the upper side of the groove plate after reaching the upper part from bottom to top, and then enter the PE-ACF composite filter element filtering unit from an outlet on the wetland container body on one side of the groove through a third connecting pipe;
4) water firstly enters a stainless steel central hole pipe (13) of the PE-ACF composite filter element filtering unit through a third connecting pipe, flows out of a water outlet hole of the stainless steel central hole pipe (13), then is subjected to filtering and adsorption treatment by an activated carbon fiber felt (14) and PP cotton wrapped by a polyethylene fiber net, is guided by an outer guide hole pipe (17) to enter a water cavity (20) in an outer flow collecting sleeve pipe, and finally converges to a drain pipe at the tail end to be discharged.
CN201710127556.0A 2017-03-06 2017-03-06 Rainwater recycling treatment device and method Active CN106904790B (en)

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Publication number Priority date Publication date Assignee Title
CN107473498A (en) * 2017-08-11 2017-12-15 武汉理工大学 A kind of device and method of Full-automatic deep processing rainwater

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202193697U (en) * 2011-06-21 2012-04-18 江苏技术师范学院 Rainwater ecological purification system
CN203095806U (en) * 2013-01-29 2013-07-31 北京铭泽源环境工程有限公司 Multifunctional rainwater collecting, treating and recycling device
CN204369656U (en) * 2014-12-16 2015-06-03 无锡摩顶商业管理有限公司 Rainwater treatment artificial wet land system
CN204958553U (en) * 2015-07-17 2016-01-13 厦门建霖工业有限公司 Filter with composite filter element
CN205773956U (en) * 2016-06-29 2016-12-07 南宁北排水环境发展有限公司 Sewage percolation purification system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7678266B2 (en) * 2008-03-13 2010-03-16 Jiangsu Tianyi Science and Technology Development Co. Ltd. Integrated water treatment apparatus and methods for natural water improvement
CN104826397A (en) * 2015-05-05 2015-08-12 苏州凯虹高分子科技有限公司 Activated carbon fiber sintered filter element and preparation method thereof
CN106223027B (en) * 2016-07-25 2019-01-22 江苏沥泽生化科技有限公司 Inhibitory activity Carbon fibe felt falls the surface modifying treatment of bits

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202193697U (en) * 2011-06-21 2012-04-18 江苏技术师范学院 Rainwater ecological purification system
CN203095806U (en) * 2013-01-29 2013-07-31 北京铭泽源环境工程有限公司 Multifunctional rainwater collecting, treating and recycling device
CN204369656U (en) * 2014-12-16 2015-06-03 无锡摩顶商业管理有限公司 Rainwater treatment artificial wet land system
CN204958553U (en) * 2015-07-17 2016-01-13 厦门建霖工业有限公司 Filter with composite filter element
CN205773956U (en) * 2016-06-29 2016-12-07 南宁北排水环境发展有限公司 Sewage percolation purification system

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