CN113072252A - Domestic sewage aeration type wetland filter tank - Google Patents
Domestic sewage aeration type wetland filter tank Download PDFInfo
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- CN113072252A CN113072252A CN202110347337.XA CN202110347337A CN113072252A CN 113072252 A CN113072252 A CN 113072252A CN 202110347337 A CN202110347337 A CN 202110347337A CN 113072252 A CN113072252 A CN 113072252A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
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Abstract
The invention discloses a domestic sewage aeration type wetland filter tank which comprises an artificial wetland filter tank, wherein an artificial wet stratum is suspended on the surface of a water body of the artificial wetland filter tank and is formed by sequentially splicing a plurality of unit planting frames. Has the advantages that: according to the invention, the plurality of strip-shaped unit planting frames are sequentially arranged, then the connecting strips arranged at the end parts of the unit planting frames are pulled to enable the connecting strips to compress the springs on the surfaces of the T-shaped columns, and the connecting strips are abandoned to be pulled to enable the springs to be pushed in the processes of resetting and extending, so that the connecting strips are spliced with the positioning columns of the adjacent unit planting frames in the process of adhering to the end surfaces of the unit planting frames, the quick splicing of the plurality of strip-shaped unit planting frames is realized, and the planting lattices arranged on the surfaces of the unit planting frames, the purification vegetations in the planting lattices and the filter layers (the gravel layers, the gravel layers and the microbial films generated by the layers) for planting the purification vegetations are matched, thereby being beneficial to the quick splicing type installation of constructed wet ground.
Description
Technical Field
The invention relates to the technical field of water treatment, in particular to a domestic sewage aeration type wetland filter tank.
Background
Along with the rapid development of rural areas in China to urbanization, the discharge amount of rural domestic sewage is increased day by day, the problem of water pollution is more obvious when a large amount of domestic sewage with high COD and high N content is discharged, and currently, the rural domestic sewage treatment is generally carried out by adopting a mode of artificial wetland, filter tank and aeration.
In the process of putting the existing aeration type wetland filter tank for treating domestic sewage into use, because the constructed wetland and the filter material arranged in the filter tank are always fixedly arranged, the problems that construction is long in time consumption in the installation process, the purified vegetation is inconvenient to maintain (for example, the purified vegetation is disassembled, replaced and harvested), and the filter material in the filter tank is inconvenient to disassemble and replace in the later period exist, and meanwhile, a large amount of impurities are suspended on the water surface of the aeration type wetland filter tank in the process of water purification treatment of the aeration type wetland filter tank, so that the problem that the filter tank is inconvenient to clean exists.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a domestic sewage aeration type wetland filter tank which has the advantages of convenience in installation, disassembly and impurity cleaning, and further solves the problems in the background art.
(II) technical scheme
In order to realize the advantages of convenient installation, disassembly and impurity cleaning, the invention adopts the following specific technical scheme:
a domestic sewage aeration type wetland filter tank comprises an artificial wetland filter tank, wherein an artificial wet stratum is arranged on the surface of a water body of the artificial wetland filter tank in a suspension manner and is formed by sequentially splicing a plurality of unit planting frames, planting grids are arranged on the surfaces of the unit planting frames, a filtering layer and purifying vegetation are arranged on the inner side of the planting grids, a filtering material layer is tightly mounted below the artificial wet stratum, a supporting layer is arranged below the filtering material layer, a plurality of filtering heads are arranged on the supporting layer at equal intervals on the surface, a water distribution tank is arranged on one side of the upper part of the artificial wetland filter tank, a water guide pipe is arranged on the bottom surface of the water distribution tank and is communicated with the surface of the lower part of the artificial wetland filter tank, a water outlet weir is arranged on the other side of the upper part of the artificial wetland filter tank, a lifting mechanism is fixedly mounted on the top surface of the water outlet weir, the inboard top surface welding of play weir has the fretwork baffle, and the inboard bottom surface welding of play weir has solid baffle, solid baffle one side is located play weir bottom surface intercommunication and has the outlet pipe, and the solid baffle opposite side is located play weir bottom surface intercommunication and has the back flush drain pipe, the intercommunication has the aeration pipe between supporting layer and the precoat, and the surface equidistance of aeration pipe installs haplopore membrane air diffuser, constructed wetland filtering pond internal face is provided with the leading water pipe through the U type clamp is fixed, and the surface mounting of leading water pipe has the water pump, the one end intercommunication of leading water pipe has the broach pipe, and the one end of broach pipe is provided with the shower nozzle.
Further, the top surface bolt fixed mounting of play mill weir has the plummer, and the inside fastening mounting of plummer has positive and negative motor, the output of positive and negative motor is provided with the axostylus axostyle, and the fixed surface of axostylus axostyle is provided with the coiling dish, the surface winding of coiling dish is connected with the haulage rope, and the one end of haulage rope has been hung through the couple and has been arranged the sediment and fight, hoist mechanism comprises plummer, positive and negative motor, coiling dish, axostylus axostyle, haulage rope and row sediment fill, the edge of play mill weir top surface corresponds row sediment fill.
Further, the both ends of frame are planted to the unit all are provided with a set of reference column and T type post, and the surface interlude of T type post is connected with the connecting strip, connecting strip one side is located T type post surface and has cup jointed the spring, and the one end of connecting strip corresponds the reference column and has seted up the through-hole.
Furthermore, a plurality of hollow loading boxes are sequentially arranged on the inner side of the filter material layer, box covers are fixedly connected to the top surfaces of the loading boxes through bolts, hangers of a semi-ring structure are welded at the center of the top surfaces of the box covers, an opening is formed in the top surface of the filter material layer, and hollow nets with the aperture of 3-5mm are welded on the bottom surface of the filter material layer.
Furthermore, the surface of plummer corresponds positive and negative motor and is provided with control panel, and control panel's output and positive and negative motor electric connection, the welding of plummer upper portion side has the support frame that the cross-section is L type structure, and the support frame passes through the bearing and is connected with the one end rotation of axostylus axostyle.
Furthermore, the diversion pipe, the comb-tooth pipe, the spray head and the water pump form a turbulence mechanism, and the comb-tooth pipe is integrally formed by combining a plurality of end pipes and the spray heads arranged at the end parts of the end pipes.
Furthermore, a filtering layer consisting of a gravel layer, a gravel layer and microbial films generated by each layer is arranged on the inner side of the planting grid, and a communication port is formed in the bottom of the planting grid.
Furthermore, the top surface of the deslagging hopper is welded with a traction lug, and one side of the traction lug is welded with an extension plate.
Furthermore, valves are arranged on the surfaces of the backwashing water inlet pipe, the water guide pipe, the water outlet pipe, the backwashing water drain pipe and the aeration pipe.
(III) advantageous effects
Compared with the prior art, the invention provides a domestic sewage aeration type wetland filter tank, which has the following beneficial effects:
(1) according to the invention, the plurality of strip-shaped unit planting frames are sequentially arranged, then the connecting strips arranged at the end parts of the unit planting frames are pulled to enable the connecting strips to compress the springs on the surfaces of the T-shaped columns, and the connecting strips are abandoned to be pulled to enable the springs to be reset and to be pushed in the extension process, so that the connecting strips are spliced with the positioning columns of the adjacent unit planting frames in the process of being attached to the end surfaces of the unit planting frames, the quick splicing of the plurality of strip-shaped unit planting frames is realized, the planting lattices arranged on the surfaces of the unit planting frames, the purification vegetations in the planting lattices and the filter layers (the gravel layers, the gravel layers and the microbial films generated by the layers) for planting the purification vegetations are matched, the quick splicing type installation of the constructed wet stratum is facilitated, and the later-.
(2) According to the invention, the filter material for purifying the water body is loaded into the plurality of hollow loading boxes, then the bolts penetrate through the box covers and extend to the loading boxes, so that the loading boxes are sealed, then the plurality of loading boxes are sequentially stacked in the filter material layer with the opening on the top surface, and the hollow nets arranged on the bottom surface of the filter material layer are matched, so that the water body flowing out from bottom to top in the artificial wetland filter tank is fully filtered and purified by the filter material, and the semi-ring-shaped hangers are welded on the top surface of the box cover, so that the advantage of facilitating the later-stage replacement of the filter material in the loading boxes is achieved.
(3) When the water surface of the artificial wetland filter tank needs to be cleaned, the water in the artificial wetland filter tank is led into the water guide pipe by starting the water pump, the water is led out by the water guide pipe through a plurality of end pipes of the comb-tooth pipe and the spray heads at the end parts of the end pipes, so that the water transversely disturbs the water surface of the artificial wetland filter tank, impurities suspended on the water surface of the artificial wetland filter tank are forced to be guided to the hollow baffle plate of the water outlet weir, the shaft lever at the output end of the positive and negative motor is driven to drive the winding disc to rotate by starting the positive and negative motor, the winding disc is wound with the traction rope, and the impurities collected near the hollow baffle plate are taken by the slag discharge hopper hidden in the water body in a lifting process, the groove of stepping down that passes the play weir top surface is fought until arranging the sediment and shows, makes things convenient for the collection and the further clearance of impurity, simultaneously, articulates through the hangers with the couple of haulage rope and the case lid on the loading box, and the hoist mechanism of being convenient for promotes the intraformational loading box of filter material, is favorable to the change of the interior filter material of loading box.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a domestic sewage aeration type wetland filter according to an embodiment of the invention;
FIG. 2 is a schematic structural diagram of a lifting mechanism of a domestic sewage aeration type wetland filter according to an embodiment of the invention;
FIG. 3 is a schematic diagram of a filter material layer structure of a domestic sewage aeration type wetland filter according to an embodiment of the invention;
FIG. 4 is a schematic view of an artificial wetland structure of a domestic sewage aeration type wetland filter according to an embodiment of the invention;
FIG. 5 is a schematic structural view of a slag discharge hopper of the domestic sewage aeration type wetland filter according to the embodiment of the invention;
FIG. 6 is a schematic view of a water conduit of a domestic sewage aeration type wetland filter according to an embodiment of the invention.
In the figure:
1. a constructed wetland filter tank; 2. a support layer; 3. a filter head; 4. backwashing the water inlet pipe; 5. a water conduit; 6. a filter material layer; 7. a loading bin; 8. a water distribution tank; 9. a water conduit; 10. a water pump; 11. artificial wet ground; 12. purifying vegetation; 13. a lifting mechanism; 14. an effluent weir; 15. a solid baffle; 16. a water outlet pipe; 17. backwashing the drain pipe; 18. an aeration pipe; 19. a single-hole membrane air diffuser; 20. a bearing table; 21. a positive and negative motor; 22. a winding disc; 23. a shaft lever; 24. a hauling rope; 25. a yielding groove; 26. hollowing out the baffle plate; 27. a slag discharge hopper; 28. a box cover; 29. hanging a lug; 30. a unit planting frame; 31. planting lattices; 32. a communication port; 33. a connecting strip; 34. a positioning column; 35. a T-shaped column; 36. a spring; 37. pulling the ears; 38. an extension plate; 39. a comb-tooth tube; 40. and (4) a spray head.
Detailed Description
For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the invention, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.
According to the embodiment of the invention, the domestic sewage aeration type wetland filter is provided.
The invention will be further explained with reference to the accompanying drawings and specific embodiments, as shown in fig. 1-6, the domestic sewage aeration type wetland filter tank according to the embodiment of the invention comprises an artificial wetland filter tank 1, an artificial wet ground layer 11 is suspended on the surface of a water body of the artificial wetland filter tank 1, the artificial wet ground layer 11 is formed by sequentially splicing a plurality of unit planting frames 30, planting grids 31 are arranged on the surfaces of the unit planting frames 30, a filtering layer and a purifying vegetation 12 are arranged on the inner sides of the planting grids 31, a filtering material layer 6 is tightly installed below the artificial wet ground layer 11, a supporting layer 2 is arranged below the filtering material layer 6, a plurality of filtering heads 3 are equidistantly arranged on the surface of the supporting layer 2, a water distribution tank 8 is arranged on one side of the upper part of the artificial wetland filter tank 1, a water guide pipe 5 is arranged on the bottom surface of the water distribution tank 8, and the water guide pipe 5 is communicated with the lower surface, an effluent weir 14 is arranged on the other side of the upper part of the artificial wetland filter tank 1, a lifting mechanism 13 is fixedly arranged on the top surface of the effluent weir 14 through bolts, a back flush water inlet pipe 4 is communicated with the bottom surface of the artificial wetland filter tank 1, a hollowed baffle 26 is welded on the top surface of the inner side of the effluent weir 14, a solid baffle 15 is welded on the bottom surface of the inner side of the effluent weir 14, a water outlet pipe 16 is communicated with the bottom surface of the effluent weir 14 on one side of the solid baffle 15, a back flush water outlet pipe 17 is communicated with the bottom surface of the effluent weir 14 on the other side of the solid baffle 15, an aeration pipe 18 is communicated between a supporting layer 2 and a filter material layer 6, single-hole membrane air diffusers 19 are equidistantly arranged on the surface of the aeration pipe 18, a water guide pipe 9 is fixedly arranged on the inner wall surface of the artificial wetland filter tank 1 through a U-shaped, the water flows into the artificial wetland filter 1 through the water distribution tank 8 and the water guide pipe 5, then sequentially passes through the plurality of filter heads 3, the filter material layer 6 and the artificial wet stratum 11 of the supporting layer 2 from bottom to top to realize the filtration and purification treatment of the water, the single-hole membrane air diffusers 19 which are equidistantly arranged on the surface of the aeration pipe 18 guide the air into the water in a fine bubble manner to supplement the dissolved oxygen content required by the microorganism nitration reaction in the artificial wet stratum 11, and the filter material layer 6 and the artificial wet stratum 11 are regularly back-flushed through the back-flushing water inlet pipe 4 (the back-flushing and aeration specific implementation modes and necessary components of the wetland filter are the prior art, and redundant description is not needed), so as to increase the treatment effect of the water and prevent blockage.
In one embodiment, a bearing platform 20 is fixedly installed on the top surface of the effluent weir 14 through bolts, a positive and negative motor 21 is fixedly installed inside the bearing platform 20, an output end of the positive and negative motor 21 is provided with a shaft rod 23, a winding disc 22 is fixedly installed on the surface of the shaft rod 23, a traction rope 24 is wound on the surface of the winding disc 22, a slag discharge hopper 27 is hung at one end of the traction rope 24 through a hook, a lifting mechanism 13 is composed of the bearing platform 20, the positive and negative motor 21, the winding disc 22, the shaft rod 23, the traction rope 24 and the slag discharge hopper 27, a abdicating groove 25 is formed in the edge of the top surface of the effluent weir 14 corresponding to the slag discharge hopper 27, a water conduit 9, a comb conduit 39, a spray head 40 and a water pump 10 form a turbulence mechanism, the comb conduit 39 is integrally composed of a plurality of end pipes and spray heads 40 arranged at the ends of the end pipes, the water conduit 9 in the artificial wetland filter tank 1 is led out of a water body through the water conduit 9 by shunting The water body transversely disturbs the water surface of the artificial wetland filter tank 1, impurities suspended on the water surface of the artificial wetland filter tank 1 are forced to be guided to the hollow baffle 26 of the water outlet weir 14, the forward and reverse motors 21 are started to cause the shaft rod 23 at the output end of the forward and reverse motors 21 to drive the winding disc 22 to rotate, and then the winding disc 22 winds the traction rope 24, so that the slag discharge hopper 27 hidden in the water body pockets the impurities gathered near the hollow baffle 26 in the lifting process until the slag discharge hopper 27 passes through the abdicating groove 25 on the top surface of the water outlet weir 14 to be exposed, thereby facilitating the collection and further cleaning of the impurities, meanwhile, the lifting mechanism 13 is convenient to lift the loading box 7 in the filter material layer 6 by hooking the hook of the traction rope 24 with the hanging lug 29 of the box cover 28 on the loading box 7, facilitating the replacement of the filter material in the loading box 7, wherein, the water pump 10 is directly connected with an external power supply, the power supply is convenient.
In one embodiment, a set of positioning columns 34 and T-shaped columns 35 are disposed at both ends of the unit planting frames 30, a connecting strip 33 is inserted and connected to the surface of the T-shaped column 35, a spring 36 is sleeved on one side of the connecting strip 33 and located on the surface of the T-shaped column 35, and a through hole is formed in one end of the connecting strip 33 corresponding to the positioning column 34, the plurality of strip-shaped unit planting frames 30 are sequentially arranged, then the connecting strip 33 disposed at the end of the unit planting frame 30 is pulled to cause the connecting strip 33 to compress the spring 36 on the surface of the T-shaped column 35, and the connecting strip 33 is pushed in the process of restoring and extending the spring 36 by giving up pulling the connecting strip 33, so that the connecting strip 33 is inserted into the positioning column 34 of the adjacent unit planting frame 30 in the process of attaching the end face of the unit planting frame 30, thereby realizing fast splicing of the plurality of strip-shaped unit planting frames 30, and matching the planting lattices 31 disposed on the surface of the unit planting frames 30, the, Gravel layers and microbial films generated by each layer) to realize the quick splicing type installation of the artificial wet stratum 11, wherein the through holes of the connecting strips 33 are convenient to be spliced with the positioning columns 34 of the adjacent unit planting frames 30, the unit planting frames 30 are made of wood materials or suspensible plastic materials, in order to increase the stability of the artificial wet stratum 11 on the surface of a water body, a fence can be additionally arranged on the inner wall surface of the artificial wetland filter tank 1 to avoid the wave following deviation of the artificial wet stratum 11.
In one embodiment, a plurality of hollow loading boxes 7 are sequentially arranged on the inner side of the filter material layer 6, box covers 28 are fixedly connected to the top surfaces of the loading boxes 7 through bolts, hangers 29 of a semicircular structure are welded at the centers of the top surfaces of the box covers 28, openings are formed in the top surfaces of the filter material layer 6, hollow nets with the pore diameters of 3-5mm are welded on the bottom surfaces of the filter material layer 6, the filter material for purifying water is loaded into the hollow loading boxes 7 through the hollow loading boxes 7, then the bolts penetrate through the box covers 28 and extend to the loading boxes 7, sealing of the loading boxes 7 is achieved, then the loading boxes 7 are sequentially stacked in the filter material layer 6 with the opening in the top surface, and the hollow nets arranged on the bottom surfaces of the filter material layer 6 are matched, so that the water body gushed from bottom to top in the constructed wetland filter tank 1 is fully filtered and purified.
In an embodiment, a control panel is disposed on the outer surface of the bearing platform 20 corresponding to the front and back motors 21, and the output end of the control panel is electrically connected to the front and back motors 21, a support frame with an L-shaped cross section is welded on the side of the upper portion of the bearing platform 20, and the support frame is rotatably connected to one end of the shaft rod 23 through a bearing, so that the front and back motors 21 can be controlled through the control panel (the control panel is connected to an external power supply through a wire, and power is supplied conveniently), wherein the control panel control circuit can be implemented through simple programming by a technician in the field, and the control panel control circuit belongs to the common knowledge in the field and is only used without modification, so that the control mode and circuit connection are not described in detail, one end of the shaft rod 23 can be limited through the support frame.
In one embodiment, a filter layer composed of a gravel layer, a gravel layer and microbial films generated by the layers is arranged on the inner side of the planting lattice 31, the bottom of the planting lattice 31 is provided with a communication port 32, and the water body is purified by the filter layer composed of the gravel layer, the gravel layer and the microbial films generated by the layers and the purifying vegetation 12.
In one embodiment, the slag discharging bucket 27 has a traction lug 37 welded on the top surface thereof, and an extension plate 38 welded on one side of the traction lug 37, and is conveniently hooked with the hook at one end of the traction rope 24 through the traction lug 37, thereby being beneficial to lifting the slag discharging bucket 27, and increasing the effect of collecting impurities through the extension plate 38.
In one embodiment, the surfaces of the backwash water inlet pipe 4, the water guide pipe 5, the water outlet pipe 16, the backwash water outlet pipe 17 and the aeration pipe 18 are all provided with valves, and the valves are convenient for blocking gas or liquid in the backwash water inlet pipe 4, the water guide pipe 5, the water outlet pipe 16, the backwash water outlet pipe 17 and the aeration pipe 18.
The working principle is as follows:
when the device is used, the strip-shaped unit planting frames 30 are sequentially arranged, then the connecting strips 33 arranged at the end parts of the traction unit planting frames 30 are pulled to enable the connecting strips 33 to compress the springs 36 on the surfaces of the T-shaped columns 35, and the connecting strips 33 are pushed in the process of restoring and extending the springs 36 by abandoning the traction of the connecting strips 33, so that the connecting strips 33 are spliced with the positioning columns 34 of the adjacent unit planting frames 30 in the process of adhering the end surfaces of the unit planting frames 30, the rapid splicing of the strip-shaped unit planting frames 30 is realized, the planting lattices 31 arranged on the surfaces of the unit planting frames 30, the purified vegetations 12 in the planting lattices 31 and filter layers (gravel layers, gravel layers and microbial films generated by each layer) required for planting the purified vegetations 12 are matched, the rapid splicing installation of the artificial wet stratums 11 is realized, filter materials for purifying water bodies are loaded into the hollow loading boxes 7, and then bolts penetrate through the box covers 28 and extend to the loading boxes 7, the sealing of the loading boxes 7 is realized, then a plurality of loading boxes 7 are sequentially stacked in the filter material layer 6 with an opening on the top surface, and the hollow net arranged on the bottom surface of the filter material layer 6 is matched to ensure that water body which is flushed from bottom to top in the artificial wetland filter tank 1 is fully filtered and purified by the filter material, then the water body flows into the artificial wetland filter tank 1 through the water distribution tank 8 and the water guide pipe 5, then the water body sequentially passes through the plurality of filter heads 3 of the supporting layer 2, the filter material layer 6 and the artificial wet stratum 11 from bottom to top to realize the filtering and purifying treatment of the water body, the single-hole membrane air diffusers 19 which are equidistantly arranged on the surface of the aeration pipe 18 are used for finely bubbling the air and guiding the air into the water body, the content of dissolved oxygen required by the microorganism nitration reaction in the artificial wet stratum 11 is supplemented, and the back flushing of the filter material layer 6 and the artificial back flushing wet stratum 11 is regularly carried out through the back, not described in detail), so as to increase the water body treatment effect and prevent blockage, when the water surface of the artificial wetland filter tank 1 needs to be cleaned, the water pump 10 is started to introduce the water body inside the artificial wetland filter tank 1 into the water conduit 9, the water conduit 9 is prompted to guide the water body out of the end pipes of the comb-tooth pipe 39 and the spray heads 40 at the ends of the end pipes, so that the water body transversely disturbs the water surface of the artificial wetland filter tank 1, impurities suspended on the water surface of the artificial wetland filter tank 1 are forced to be guided to the hollow baffle 26 of the effluent weir 14, the forward and reverse motor 21 is started, the shaft rod 23 at the output end of the forward and reverse motor 21 is prompted to drive the winding disc 22 to rotate, the winding disc 22 winds the traction rope 24, the slag discharge hopper 27 hidden in the water body takes the impurities gathered near the hollow baffle 26 in the lifting process until the slag discharge hopper 27 passes through the yielding groove 25 on the top surface of the, make things convenient for the collection and the further clearance of impurity, simultaneously, articulate through couple of haulage rope 24 and the hangers 29 of case lid 28 on the loading box 7, the hoist mechanism 13 of being convenient for promotes the loading box 7 in the filter material layer 6, is favorable to the change of the filter material in the loading box 7.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The domestic sewage aeration type wetland filter tank is characterized by comprising an artificial wetland filter tank (1), wherein an artificial wet stratum (11) is arranged on the surface of a water body of the artificial wetland filter tank (1) in a suspension manner, the artificial wet stratum (11) is formed by sequentially splicing a plurality of unit planting frames (30), planting grids (31) are arranged on the surface of each unit planting frame (30), a filtering layer and a purifying vegetation (12) are arranged on the inner side of each planting grid (31), a filtering material layer (6) is tightly installed below the artificial wet stratum (11), a bearing layer (2) is arranged below the filtering material layer (6), a plurality of filtering heads (3) are arranged on the surface of the bearing layer (2) at equal intervals, a water distribution tank (8) is arranged on one side of the upper part of the artificial wetland filter tank (1), a water guide pipe (5) is arranged on the bottom surface of the water distribution tank (8), and the water guide pipe (5) is communicated with the surface of the lower part of the artificial wetland filter tank, an effluent weir (14) is arranged on the other side of the upper part of the artificial wetland filter tank (1), a lifting mechanism (13) is fixedly mounted on the top surface of the effluent weir (14) through bolts, a backwash water inlet pipe (4) is communicated with the bottom surface of the artificial wetland filter tank (1), a hollowed baffle (26) is welded on the top surface of the inner side of the effluent weir (14), a solid baffle (15) is welded on the bottom surface of the inner side of the effluent weir (14), an outlet pipe (16) is communicated with the bottom surface of the effluent weir (14) on one side of the solid baffle (15), a backwash water outlet pipe (17) is communicated with the bottom surface of the effluent weir (14) on the other side of the solid baffle (15), an aeration pipe (18) is communicated with the supporting layer (2) and the filter material layer (6), a single-hole membrane air diffuser (19) is installed on the surface of the aeration pipe (18) at equal distance, and a water pump (10) is arranged on the surface of the water conduit (9), one end of the water conduit (9) is communicated with a comb-tooth pipe (39), and one end of the comb-tooth pipe (39) is provided with a spray head (40).
2. The domestic sewage aeration type wetland filter tank of claim 1, wherein a bearing table (20) is fixedly installed on the top surface of the effluent weir (14) through bolts, a positive and negative motor (21) is tightly installed inside the bearing table (20), an output end of the positive and negative motor (21) is provided with a shaft rod (23), a winding disc (22) is fixedly arranged on the surface of the shaft rod (23), a traction rope (24) is wound on the surface of the winding disc (22), a slag discharge hopper (27) is hung at one end of the traction rope (24) through a hook, the lifting mechanism (13) is composed of the bearing table (20), the positive and negative motor (21), the winding disc (22), the shaft rod (23), the traction rope (24) and the slag discharge hopper (27), and a yielding groove (25) is formed at the edge of the top surface of the effluent weir (14) corresponding to the slag discharge hopper (27).
3. The domestic sewage aeration type wetland filter tank of claim 1, wherein a set of positioning columns (34) and T-shaped columns (35) are arranged at both ends of the unit planting frame (30), a connecting strip (33) is inserted and connected to the surface of each T-shaped column (35), a spring (36) is sleeved on one side of each connecting strip (33) on the surface of each T-shaped column (35), and a through hole is formed in one end of each connecting strip (33) corresponding to each positioning column (34).
4. The domestic sewage aeration type wetland filter tank according to claim 1, wherein a plurality of hollow loading boxes (7) are sequentially arranged on the inner side of the filter material layer (6), the top surfaces of the loading boxes (7) are fixedly connected with a box cover (28) through bolts, a semi-ring-shaped hanging lug (29) is welded at the center of the top surface of the box cover (28), the top surface of the filter material layer (6) is provided with an opening, and the bottom surface of the filter material layer (6) is welded with a hollow net with the aperture of 3-5 mm.
5. The domestic sewage aeration type wetland filter tank of claim 2, wherein a control panel is arranged on the outer surface of the bearing platform (20) corresponding to the positive and negative motors (21), the output end of the control panel is electrically connected with the positive and negative motors (21), a support frame with an L-shaped section is welded on the side surface of the upper part of the bearing platform (20), and the support frame is rotatably connected with one end of the shaft rod (23) through a bearing.
6. The domestic sewage aeration type wetland filter tank according to claim 1, wherein the water conduit (9), the comb-tooth pipe (39), the spray head (40) and the water pump (10) form a flow disturbance mechanism, and the comb-tooth pipe (39) is integrally formed by combining a plurality of end pipes and the spray head (40) arranged at the end part of the end pipe.
7. An aeration type wetland filter tank for domestic sewage according to claim 1, characterized in that a filter layer consisting of a gravel layer, a gravel layer and microbial films generated by each layer is arranged inside the planting lattice (31), and a communication port (32) is opened at the bottom of the planting lattice (31).
8. The domestic sewage aeration wetland filter tank of claim 2, wherein the top surface of the slag discharge hopper (27) is welded with a traction lug (37), and one side of the traction lug (37) is welded with an extension plate (38).
9. The domestic sewage aeration type wetland filter tank according to claim 1, wherein valves are mounted on the surfaces of the backwash water inlet pipe (4), the water guide pipe (5), the water outlet pipe (16), the backwash water outlet pipe (17) and the aeration pipe (18).
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