CN216039151U - Can wash constructed wetland structure of preventing blockking up automatically - Google Patents

Can wash constructed wetland structure of preventing blockking up automatically Download PDF

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Publication number
CN216039151U
CN216039151U CN202122021811.8U CN202122021811U CN216039151U CN 216039151 U CN216039151 U CN 216039151U CN 202122021811 U CN202122021811 U CN 202122021811U CN 216039151 U CN216039151 U CN 216039151U
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wetland
water
pipe
sewage
structure capable
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CN202122021811.8U
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刘飞
王健
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Huaibei Normal University
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Huaibei Normal University
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Abstract

The utility model discloses an anti-clogging constructed wetland structure capable of automatically washing, which comprises a wetland pool, wherein the periphery of the upper end of the wetland pool is provided with a water inlet groove for injecting sewage into the wetland pool, the interior of the wetland pool is fixedly connected with a bottom plate, the middle part of the bottom plate is provided with a water outlet pipe, the lower end of the water outlet pipe is communicated with a communicating pipe, one end of the communicating pipe far away from the water outlet pipe penetrates through the side wall of the wetland tank and extends to the outside, the bottom plate is fixedly connected with a filter layer, and a purification layer is arranged between the filter layer and the water outlet pipe, the utility model separates the large-particle sewage and the floating object in the water inlet tank through the filter plate, prevents the large-particle sewage and the floating object from entering the inside of the wetland pool, and secondarily filters the water entering the inside of the wetland pool through the filter layer, thereby filtering out the small-particle sewage in the water, effectively reducing the sewage and organic pollutants in the sewage, and preventing the blockage problem caused by the wetland for a long time.

Description

Can wash constructed wetland structure of preventing blockking up automatically
Technical Field
The utility model relates to the technical field of artificial wetland wastewater treatment, in particular to an anti-clogging artificial wetland structure capable of being automatically washed.
Background
The constructed wetland is constructed and operated under control artificially, can be used for treating sewage, mud of dosing to it, and with its effective control, the current constructed wetland forms serious jam easily because of reasons such as pretreatment inadequacy when waste water treatment, greatly influences effluent quality and treatment water yield, the jam of constructed wetland mainly comes from the suspended particles in the sewage, the constructed wetland enters the section and holds back the suspended solid and often leads to filtering the gap to produce the jam, the treatment effect and the service life of reduced constructed wetland, and the constructed wetland mainly blocks up in the section of intaking.
Therefore, the artificial wetland structure capable of automatically flushing and preventing blockage is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an anti-clogging constructed wetland structure capable of being automatically washed, so as to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a can wash constructed wetland structure of preventing blockking up automatically, includes the wetland pond, the upper end in wetland pond is equipped with the intake chamber that is used for pouring sewage into the wetland pond all around, one side of intake chamber is equipped with the water injection pipe, the inside fixedly connected with bottom plate in wetland pond, the middle part of bottom plate is equipped with the outlet pipe, just the lower extreme intercommunication of outlet pipe has communicating pipe, the one end of keeping away from the outlet pipe communicating pipe runs through the lateral wall in wetland pond and extends to the outside, fixedly connected with filter layer on the bottom plate, just be equipped with between filter layer and the outlet pipe and purify the layer.
Preferably, the filter layer comprises two grid ring plates, an interlayer exists between the two grid ring plates, and the interior of the interlayer is filled with filter filler with pores for filtering water introduced into the wetland pool.
Preferably, the filter filler is a gravel or ceramsite material.
Preferably, the communicating pipe is connected with a flushing pump, and the communicating pipe can be connected with an external water source to start the flushing pump to perform backwashing.
Preferably, one side of wetland pond still is equipped with the tank, the lower extreme of communicating pipe is connected at the tank and is realized the inside water drainage to the tank with the inside water in wetland pond, the upper end of tank is equipped with the outlet, the lower extreme of tank is provided with the crane, and the accessible control crane highly can be to rivers control direction.
Preferably, the purification layer comprises a purification cavity filled with biochemical filler, floating plants are planted on the upper portion inside the purification cavity, the floating plants can be water lettuce, water hyacinth, water dragon and the like, and an aeration pipe for providing more oxygen for aerobic microorganisms is arranged at the bottom of the purification cavity.
Preferably, the bottom of the wetland pool is provided with a collecting area for collecting sediments, the collecting area is connected with a drain pipe, and the drain pipe is connected with a mud pump in series.
Preferably, a filter plate used for intercepting large-particle dirt in sewage is arranged between the water inlet tank and the wetland pool.
Preferably, a porous partition plate is arranged in the purification cavity, and the floating plants are positioned above the partition plate.
Compared with the prior art, the utility model has the beneficial effects that: the utility model separates the large-particle dirt and the floater in the water inlet tank through the filter plate, prevents the large-particle dirt and the floater from entering the inside of the wetland pool, filters the small-particle dirt in the water through the filter layer, deposits the small-particle dirt in the collecting region, can intermittently start the sludge pump, discharges the dirt collected to the collecting region through the sewage discharge pipe, removes the organic pollutants in the water through aerobic microorganisms and floating plants after the water filtered by the filter layer enters the purifying layer, can effectively reduce the dirt and the organic pollutants in the sewage, and can reversely flush the dirt accumulated in the filter layer through the function of back flushing, thereby preventing the blockage problem caused by the wetland for a long time.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention with a water storage tank;
FIG. 2 is a schematic sectional view showing the overall structure of the present invention with a water storage tub;
FIG. 3 is a schematic cross-sectional view of the present invention with a water storage bucket during backflushing;
FIG. 4 is a cross-sectional exploded view of the grid ring plate and filter packing of the present invention;
FIG. 5 is a cross-sectional view of the outlet pipe, the purification chamber, the mesh ring plate and the filter packing of the present invention;
FIG. 6 is a cross-sectional view of the filter layer, purification layer, outlet tube and collection region of the present invention;
FIG. 7 is a cross-sectional view of the water outlet pipe, the filter layer, the purification chamber and the aeration pipe of the present invention;
FIG. 8 is an enlarged view taken at A of FIG. 7 in accordance with the present invention;
FIG. 9 is a schematic view of the overall structure of the present invention with a flush pump;
FIG. 10 is a schematic cross-sectional view of the present invention with a flush pump for performing a back flush.
In the figure: 1. wetland pond, 2, intake chamber, 3, water injection pipe, 4, bottom plate, 5, outlet pipe, 6, communicating pipe, 7, filter layer, 701, net ring board, 702, filter filler, 8, purification layer, 801, purification chamber, 802, floating plant, 803, aeration pipe, 804, air pump, 805, biochemical filler, 9, filter, 10, water storage bucket, 1001, outlet, 11, crane, 12, collecting region, 13, blow off pipe, 14, dredge pump, 15, flush pump, 16, division board.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-10, the present invention provides a technical solution: the utility model provides a can wash constructed wetland structure of preventing blockking up automatically, includes wetland pond 1, the upper end in wetland pond 1 is equipped with all around and is used for pouring into the intake chamber 2 of wetland pond 1 with outside sewage, one side of intake chamber 2 is equipped with water injection pipe 3 and is used for communicateing outside sewage, the inside fixedly connected with bottom plate 4 in wetland pond 1, the middle part of bottom plate 4 is equipped with outlet pipe 5 and is used for the rivers discharge after handling, just the lower extreme intercommunication of outlet pipe 5 has communicating pipe 6, utilizes communicating pipe 6 design that can carry out the recoil, the one end of outlet pipe 5 is kept away from to communicating pipe 6 runs through the lateral wall in wetland pond 1 and extends to the outside, fixedly connected with filter layer 7 is used for the pollutant of the great particle size of prefiltering on bottom plate 4, just be equipped with between filter layer 7 and the outlet pipe 5 and purify layer 8 for purify the water.
In order to further filter the sewage in the wetland tank 1, the filter layer 7 includes two grid ring plates 701, as shown in fig. 8, the lower grid walls of the outer grid ring plates 701 are arranged in an inclined state to prevent the dirt from accumulating in the grids of the grid ring plates 701, an interlayer space is formed between the two grid ring plates 701, a filter filler 702 with pores is filled in the interlayer to filter the water introduced into the wetland tank 1, and specifically, the filter filler 702 is made of crushed stone or ceramsite material.
After the filter filler 702 is filled into the interlayer, the water in the wetland tank 1 is filtered by utilizing the pores among the filter fillers 702, and the filter filler 702 can adopt crushed stones or ceramsite with fine particle size to improve the filtering efficiency, for example, the filter filler 702 selects crushed stones or ceramsite filler with particle size of 10-20 mm; in addition, different heights of the filter filler 702 can also be selected in different particle size forms, such as: the filtering filler 702 is divided into a low filtering layer, a middle filtering layer and a high filtering layer from bottom to top, the low filtering layer is a gravel or ceramsite filler with the particle size of 10-20 mm, the middle filtering layer is a gravel or ceramsite filler with the particle size of 30-50 mm, and the high filtering layer is a gravel or ceramsite filler with the particle size of 60-80 mm.
In order to carry out back flushing on the wetland tank 1 and prevent the wetland tank from being blocked due to long-term operation, the application provides two modes, the first mode is that a flushing pump 15 (controlled by an external power supply) is connected on the communicating pipe 6, the flushing pump 15 is started forward to discharge water in the water outlet pipe 5 to the outside through the communicating pipe 6 when filtering and cleaning are carried out under normal conditions, when back flushing is to be carried out, the outer end of the communicating pipe 6 can be connected with an external water source, the flushing pump 15 is started reversely to enable the external water source to flow back to the inside of the wetland tank 1 through the communicating pipe 6 and the water outlet pipe 5 (the reverse flow route of the water is in the arrow direction shown in figure 10, at the moment, the mud pump 14 can be started simultaneously to play a role of back flushing the wetland tank 1, so that dirt accumulated in the filtering layer is flushed out reversely,
the second mode, it is specific one side of wetland pond 1 still is equipped with storage bucket 10, the lower extreme of communicating pipe 6 is connected and is realized the inside with the inside water drainage to storage bucket 10 of wetland pond 1 at storage bucket 10's lower extreme, the upper end of storage bucket 10 is equipped with outlet 1001, the lower extreme of storage bucket 10 is provided with crane 11, and crane 11 installs in the region of wetland pond 1 outside, can adopt prior art's form accessible to go up and down electronically.
As shown in fig. 2, when the lifting frame 11 is not started, the water storage barrel 10 is at a low position, and the height of the water outlet 1001 is lower than the height of the upper end of the water outlet pipe 5, so that when the water outlet pipe 5 is filled with water into the water storage barrel 10 through the communication pipe 6, the water in the water storage barrel 10 is continuously discharged from the water outlet 1001 (a pipeline can be additionally arranged for collection);
when needs clearance, crane 11 promotes water storage bucket 10 after starting, and the inside liquid level of water storage bucket 10 is higher than the inside liquid level of wetland pond 1 this moment, and the inside water of water storage bucket 10 can flow backward to wetland pond 1's inside like this (the palirrhea route of water is for the arrow direction as shown in fig. 3), plays the effect of back flush wetland pond 1 to pile up and reversely wash out (can start dredge pump 14 simultaneously) at the inside filth of filter layer, avoided wetland pond 1 to use for a long time and caused the jam.
In order to eliminate organic pollutants in sewage and further purify wetland sewage, specifically, the purification layer 8 includes a purification cavity 801 filled with biochemical fillers 805 (as shown in fig. 2), the biochemical fillers 805 may adopt combined fillers including soft fiber fillers and semi-soft fillers (prior art), which can increase specific surface area and allow aerobic microorganisms to adhere to the surface of the purification cavity, floating plants 802 are planted on the upper portion of the purification cavity 801, the floating plants 802 may adopt water lettuce, water hyacinth, water dragon, etc., which can reduce COD content in water and have good removal effect on TP, TN, etc., and its wide blades can reduce damage to artificial media caused by direct sunlight, the bottom of the purification cavity 801 is provided with an aeration pipe 803 which provides more oxygen for the aerobic microorganisms, the aeration pipe 803 can increase oxygen content inside the purification cavity 801, the aerobic microorganisms are favorably decomposed and organic pollutants are eliminated, one end of the aeration pipe 803 is connected with the air pump 804, and the air pump 804 is started to enable the aeration pipe 803 to inject air into the purification cavity 801;
in addition, in order to purify sewage more thoroughly in the purification cavity 801, a water guide channel is arranged between the purification cavity 801 and the filter layer 7, so that water filtered by the filter layer 7 flows upwards and then enters the purification cavity 801 from the upper port of the purification cavity 801, and a water guide channel is also arranged between the purification cavity 801 and the water outlet pipe 5, so that water in the purification cavity 801 flows into the water guide channel from the bottom of the purification cavity 801 and flows upwards into the water outlet pipe 5 along the water guide channel, and water entering the purification cavity 801 can flow through the whole purification cavity 801, so that the time of sewage in the purification cavity 801 is prolonged, and the thorough purification of sewage is facilitated.
In order to facilitate discharging of dirt in the wetland pool 1, particularly, a collecting region 12 for collecting sediment is arranged at the bottom of the wetland pool 1, as shown in fig. 2-3, the collecting region 12 is in a bucket shape, when water entering the wetland pool 1 is filtered by a filter layer 7, the dirt (such as silt) is intercepted by the filter layer 7 and then suspended between the outer wall of the filter layer 7 and the inner wall of the wetland pool 1, when the suspended dirt is excessive and accumulated mutually, the dirt finally settles downwards to the inside of the collecting region 12, a drain pipe 13 is connected to the collecting region 12, a mud pump 14 is connected in series to the drain pipe 13, the mud pump 14 is started, the mud pump 14 can pump water in the collecting region 12 through the drain pipe 13, and the water in the collecting region 12 is wrapped by the dirt and flows into the drain pipe 13 and finally discharged out of the wetland pool 1.
In order to effectively intercept larger granular sewage in the sewage and avoid entering the deep layer and then being difficult to clean, a filter plate 9 used for intercepting large granular sewage in the sewage is arranged between the water inlet tank 2 and the wetland pool 1, and the space between the filter plate 9 and the wetland pool 1 can be cleaned regularly.
And in order to prevent the biochemical filler 805 from floating upwards and mixing with the floating plant 802 to influence the effect, a porous partition plate 16 (shown in fig. 2) is arranged in the purification cavity 801, and the floating plant 802 is positioned above the partition plate 16.
The working principle is as follows: the water injection pipe 3 injects sewage into the water inlet tank 2, after the initial filtration of the filter plate 9 (large-particle dirt is intercepted inside the water inlet tank 2, the salvage is convenient, the manual periodical salvage can be arranged), the sewage in the water inlet tank 2 slowly flows into the wetland pool 1, the sewage entering the wetland pool 1 is filtered by the filter layer 7, the small-particle dirt is intercepted by the filter layer 7 and then settled in the collecting area 12, the sewage passing through the filter layer 7 enters the interior of the purifying chamber 801 from the upper end opening part of the purifying chamber 801, after the aerobic microorganisms in the purification cavity 801 remove the organic pollutants in the sewage, the purified water in the purification cavity 801 enters the water outlet pipe 5, then flows out of the water outlet 1001 after passing through the communicating pipe 6 and the water storage barrel 10 (the flow path of water is in the reverse direction of the arrow shown in fig. 2), thereby realizing the treatment of the wetland sewage;
in addition, the intermittent activation of the dredge pump 14 uses the sewage drain 13 to drain the dirt inside the collection area 12.
Intermittent type formula start-up flush pump 15 carries out the run-back (or promotes tank 10), and water can flow backward to wetland pond 1's inside, plays back flush wetland pond 1's effect to pile up and reversely rush out at the inside filth of filter layer, avoided wetland pond 1 to use for a long time and caused the jam.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a can wash constructed wetland structure of preventing blockking up automatically, includes wetland pond (1), the upper end of wetland pond (1) is equipped with intake chamber (2) all around, its characterized in that: one side of intake chamber (2) is equipped with water injection pipe (3), the inside fixedly connected with bottom plate (4) of wetland pond (1), the middle part of bottom plate (4) is equipped with outlet pipe (5), just the lower extreme intercommunication of outlet pipe (5) has communicating pipe (6), the one end of keeping away from outlet pipe (5) communicating pipe (6) runs through the lateral wall of wetland pond (1) and extends to the outside, fixedly connected with filter layer (7) on bottom plate (4), just be equipped with between filter layer (7) and outlet pipe (5) and purify layer (8).
2. The constructed wetland structure capable of automatically washing and preventing blockage according to claim 1, is characterized in that: the filter layer (7) comprises two grid ring plates (701), an interlayer exists between the two grid ring plates (701), and the interior of the interlayer is filled with filter filler (702).
3. The constructed wetland structure capable of automatically washing and preventing blockage according to claim 2, is characterized in that: the filtering filler (702) is a gravel or ceramsite material.
4. The constructed wetland structure capable of automatically flushing and preventing blockage according to claim 2 or 3, characterized in that: the communicating pipe (6) is connected with a flushing pump (15).
5. The constructed wetland structure capable of automatically flushing and preventing blockage according to claim 2 or 3, characterized in that: one side of wetland pond (1) still is equipped with water storage bucket (10), the lower extreme at water storage bucket (10) is connected in the outer end of communicating pipe (6), the upper end of water storage bucket (10) is equipped with outlet (1001), the lower extreme of water storage bucket (10) is provided with crane (11).
6. The constructed wetland structure capable of automatically washing and preventing blockage according to claim 1, is characterized in that: the purification layer (8) comprises a purification cavity (801), wherein floating plants (802) are planted on the upper portion in the purification cavity (801), and an aeration pipe (803) is arranged at the bottom of the purification cavity (801).
7. The constructed wetland structure capable of automatically washing and preventing blockage according to claim 1, is characterized in that: the wetland pool (1) is characterized in that a collecting region (12) is arranged at the bottom of the wetland pool (1), a drain pipe (13) is connected to the collecting region (12), and a sludge pump (14) is connected to the drain pipe (13) in series.
8. The constructed wetland structure capable of automatically washing and preventing blockage according to claim 1, is characterized in that: and a filter plate (9) used for intercepting large-particle dirt in sewage is arranged between the water inlet tank (2) and the wetland tank (1).
9. The constructed wetland structure capable of automatically washing and preventing blockage according to claim 6, is characterized in that: a porous partition plate (16) is arranged in the purification cavity (801), and the floating plants (802) are positioned above the partition plate (16).
CN202122021811.8U 2021-08-26 2021-08-26 Can wash constructed wetland structure of preventing blockking up automatically Active CN216039151U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114590905A (en) * 2022-04-27 2022-06-07 淮北师范大学 Integrated constructed wetland wastewater treatment system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114590905A (en) * 2022-04-27 2022-06-07 淮北师范大学 Integrated constructed wetland wastewater treatment system

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