CN210012659U - Artificial wetland system for sewage treatment - Google Patents
Artificial wetland system for sewage treatment Download PDFInfo
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- CN210012659U CN210012659U CN201920451533.XU CN201920451533U CN210012659U CN 210012659 U CN210012659 U CN 210012659U CN 201920451533 U CN201920451533 U CN 201920451533U CN 210012659 U CN210012659 U CN 210012659U
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- purification tank
- wetland system
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- constructed wetland
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Abstract
The utility model relates to a sewage treatment technical field, concretely relates to constructed wetland system for sewage treatment, include: the purification tank is equipped with the multiple microorganism that carries out the processing to sewage in, just the opening part of purification tank is equipped with a backup pad, the backup pad with purification tank swing joint, be equipped with a plurality of cultivation spaces that are used for bearing aquatic plant in the backup pad, just cultivate the space with the inside of purification tank link up the setting. The utility model provides a constructed wetland system for sewage treatment who conveniently maintains.
Description
Technical Field
The utility model relates to a sewage treatment technical field, concretely relates to constructed wetland system for sewage treatment.
Background
The artificial wetland is a novel wastewater treatment technology, and is a treatment system which is constructed by an artificial optimization simulation wetland system, has an ecological system comprehensive degradation function and can be manually monitored and controlled. The wetland sewage treatment system is constructed for fully exerting the wastewater treatment function of the wetland ecosystem and improving the sewage purification effect, and the sewage purification function of the wetland sewage treatment system is incomparable with that of a natural wetland system. It has unique functions in maintaining ecological balance and protecting biodiversity. The method overcomes the defects that secondary pollution is easily caused by using a chemical method in sewage treatment and the symptoms and root causes are not treated by a physical method, and has the advantages of small investment, good treatment effect, convenient operation and maintenance and the like. However, in recent research and engineering practice, the defects of the artificial wetland technology are gradually revealed: because the aquatic plant mostly floats on the surface of water, when the silt of constructed wetland bottom needs to be handled, often need take out the aquatic plant at first, carry out subsequent processing again, it is very inconvenient to operate like this, the maintenance of constructed wetland of being inconvenient for, leads to the death of aquatic plant even because the misoperation.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming among the prior art because the aquatic plant floats on the constructed wetland surface, the defect of later maintenance of being not convenient for to a constructed wetland system for sewage treatment who conveniently maintains is provided.
The utility model discloses another technical problem who solves lies in overcoming the constructed wetland system among the prior art and receives environmental impact great, the poor defect of suitability to a wide applicability's constructed wetland system for sewage treatment is provided.
In order to solve the first technical problem, the utility model provides an artificial wetland system for sewage treatment, include:
the purification tank is equipped with the multiple microorganism that carries out the processing to sewage in, just the opening part of purification tank is equipped with a backup pad, the backup pad with purification tank swing joint, be equipped with a plurality of cultivation spaces that are used for bearing aquatic plant in the backup pad, just cultivate the space with the inside of purification tank link up the setting.
The constructed wetland system for sewage treatment is characterized in that a plurality of positioning columns are arranged in the purification tank, and the supporting plate is sleeved on the positioning columns to slide along the positioning columns in a reciprocating manner when being acted by external force.
The artificial wetland system for sewage treatment is characterized in that the culture space is a through groove formed in the supporting plate, and a net-shaped supporting structure is arranged at the bottom of the through groove.
The constructed wetland system for sewage treatment further comprises an inflatable structure arranged below the supporting plate, wherein the inflatable structure is provided with a first position and a second position, the first position is separated from the supporting plate and is in contact with the opening of the purification tank, and the second position is in contact with the opening of the purification tank.
The artificial wetland system for sewage treatment is characterized in that the inflatable structure is an air bag arranged on the periphery below the supporting plate.
The constructed wetland system for sewage treatment is characterized in that a plurality of gas outlets are formed in the positions, facing the supporting plate, of the air bags.
The artificial wetland system for sewage treatment further comprises a pretreatment device communicated with the purification tank, and sewage is conveyed into the purification tank after being treated by the pretreatment device.
The artificial wetland system for sewage treatment comprises a pretreatment device and a secondary pretreatment device, wherein the pretreatment device comprises a primary pretreatment unit and a secondary pretreatment unit which are communicated with each other, a solid-liquid separation structure is arranged in the primary pretreatment unit, and an aeration structure is arranged in the secondary pretreatment unit.
The constructed wetland system for sewage treatment is characterized in that a heating structure for heating sewage is further arranged in the secondary pretreatment unit.
The artificial wetland device for sewage treatment is characterized in that the culture space is a groove formed in the supporting plate, and a plurality of through holes are formed in the side wall and/or the bottom wall of the groove.
The utility model discloses technical scheme has following advantage:
1. the utility model provides an artificial wetland system for sewage treatment, the setting up of purification tank opening part backup pad makes the system at normal during operation, and aquatic plant can keep with the effective contact of the normal water and other compositions of purification tank, guarantees normal growth, and when needs are handled the silt of bottom of the pool, can separate through the opening with backup pad and purification tank again for all aquatic plants break away from the purification tank together, convenient operation, the maintenance in the later stage of being convenient for.
2. The utility model provides a constructed wetland system for sewage treatment, the backup pad through with the sliding fit of the reference column in the purification tank for when needs are handled the silt of purification tank bottom, the backup pad just can be followed the reference column and slided, and outer clearance is accomplished the back and is slided to initial showy position along the reference column, has guaranteed direction of motion's accuracy, has improved work efficiency.
3. The utility model provides an artificial wetland system for sewage treatment, netted bearing structure's setting not only plays certain support effect to aquatic plant, and the operation in the later stage of being convenient for still makes aquatic plant's root can guarantee its normal growth through netted bearing structure's mesh and the inside water contact of clean pool.
4. The utility model provides an artificial wetland system for sewage treatment, setting up of backup pad below gas filled structure makes the backup pad need not can conveniently realize with the help of external force with the help of the open-ended separation of purification tank, and it is more convenient to operate.
5. The utility model provides an artificial wetland system for sewage treatment, the setting up of heating structure makes sewage just obtain certain intensification treatment before getting into the purification tank in the second grade pretreatment unit to reach aquatic plant's best growth temperature as far as possible, improve the sewage treatment effect, and enlarge the application scope of this system.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of an artificial wetland system for sewage treatment provided by the utility model;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a schematic view of the pretreatment apparatus of FIG. 1;
fig. 4 is a cross-sectional view of fig. 3.
Description of reference numerals:
1-a primary pretreatment unit; 3-a collection box; 5-a purification tank; 7-a gas supply device; 10-a culture space; 11-a positioning post; 12-aerobic descending tank; 13-a support plate; 14-a draft tube; 15-solar photovoltaic panel; 17-a gas deodorization tank; 18-plant ash matrix layer; 19-a second sandstone layer; 20-anaerobic ascending pool; 21-flow-through holes; 22-an inflated structure; 23-a mesh support structure; 25-an annular aeration pipe; 26-an activated carbon matrix layer; 27-a first sandstone layer; 28-a second air pump; 29-lithium batteries; 31-a grille filter screen; 32-a screw conveyor; 34-a lifting lug; 35-a secondary pretreatment unit; 36-an electrical heating plate; 37-a temperature sensor; 38-liquid outlet pipe.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
One embodiment of the constructed wetland system for sewage treatment as shown in fig. 1 to 4 comprises a purification tank 5 in which a plurality of microorganisms for sewage treatment are arranged, wherein the purification tank 5 comprises an aerobic descending tank 12 and an anaerobic ascending tank 20, and an activated carbon substrate layer 26 and a first sand stone layer 27, as well as aerobic microorganisms, are arranged in the aerobic descending tank 12 from top to bottom in sequence; the interior of the anaerobic ascending tank 20 is sequentially provided with a plant ash matrix layer 18, a second sand and stone layer 19 and anaerobic microorganisms from top to bottom, and the aerobic descending tank is communicated with the anaerobic ascending tank through a circulation hole 21 arranged between the aerobic descending tank and the anaerobic ascending tank.
The opening part of purification tank 5 is equipped with a backup pad 13, backup pad 13 with purification tank 5 swing joint, be equipped with a plurality of culture spaces 10 that are used for bearing aquatic plant in the backup pad 13, just culture space 10 with the inside of purification tank 5 link up the setting. In normal sewage treatment process, backup pad 13 floats at the upper surface of purifying pond 5 for aquatic plant can normal growth, and when the bottom silt of purifying pond 5 was handled to needs, only need to remove backup pad 13 and aquatic plant to the position that breaks away from purifying pond 5 opening together, and convenient follow-up operation can. The support plate 13 may be made of a relatively light material, such as a foam or plastic plate.
In order to facilitate the movement of the supporting plate 13, a plurality of positioning columns 11 are arranged in the purifying tank 5, the positioning columns 11 can be arranged at each corner of the purifying tank 5, the supporting plate 13 is sleeved on the positioning columns 11 through positioning holes so as to slide along the positioning columns 11 in a reciprocating manner when being acted by external force, and when moving to a certain height, the supporting plate is fixed at the current position through an external clamping piece or a supporting rod.
As a specific embodiment, the cultivation space 10 is a through groove formed on the support plate 13, the through grooves are distributed in an array on the support plate 13, a net-shaped support structure 23, such as a net bag, is disposed at the bottom of the through groove, and the net-shaped support structure 23 can be fixed at the bottom of the through groove by direct sticking, drawing pins or screws. Due to the arrangement of the mesh-shaped supporting structure 23, the aquatic plants can be fully contacted with the water in the purifying tank 5, the aquatic plants can be limited to freely float and move on the water surface, and the aquatic plants can be conveniently and completely taken out at one time when needed.
In order to further facilitate the one-off taking out of the aquatic plants, an air inflation structure 22 is further arranged below the support plate 13, and the air inflation structure 22 has a first position for supporting the support plate 13 to be separated from the contact with the opening of the purification tank 5 under the action of the air supply device 7 and a second position for contacting with the opening of the purification tank 5. Specifically, the inflatable structure 22 is an airbag disposed on the periphery of the lower portion of the supporting plate 13, which does not affect the distribution of the aquatic plants in the purification tank 5, and after the airbag is inflated, the supporting plate 13 is separated from the purification tank 5 under the supporting force and the buoyancy. The air supply device 7 is a first air pump arranged outside the purifying tank 5, and an air outlet of the first air pump is connected with an inlet of the air bag through a conduit. When the first air pump blows air into the air bag, the air bag exerts upward supporting force on the supporting plate 13, and finally the supporting plate is separated from the contact with the opening of the purifying tank 5, so that a certain operation space is reserved; when the cleaning is finished, only the gas in the air bag needs to be discharged.
In order to further improve the growing environment of the aquatic plants, the air bags are provided with a plurality of air outlets facing the supporting plate 13, so as to provide certain oxygen for the growth of the aquatic plants. The aperture of the gas outlet is smaller than that of the air bag inlet so as to ensure that the air input is larger than the air output.
In order to avoid the system from being blocked in use, the inlet of the purifying tank 5 is also communicated with a pretreatment device, and the sewage is treated by the pretreatment device and then is conveyed into the purifying tank 5. The cause of the blockage may be that solid impurities contained in the sewage enter the purification tank 5 or air is directly blown into the purification tank 5 for aeration, so that particles precipitated at the bottom of the purification tank 5 float in the sewage along with the airflow, thereby causing turbidity of the sewage. A liquid outlet pipe 38 is arranged on one side of the purifying tank 5 far away from the pretreatment device and is used for discharging purified water.
As a specific embodiment, the pretreatment device comprises a primary pretreatment unit 1 and a secondary pretreatment unit 35 which are communicated with each other, wherein a solid-liquid separation structure is arranged in the primary pretreatment unit 1, and an aeration structure is arranged in the secondary pretreatment unit 35. The primary treatment unit 1 is a filter tank, the solid-liquid separation structure comprises a grid filter screen 31 arranged in the filter tank and a spiral conveyor 32 communicated with an outlet of the grid filter screen 31, the grid filter screen 31 is obliquely arranged in the filter tank, and solid impurities are blocked at the upper part of the grid filter screen 31 and enter a collecting box 3 connected with the grid filter screen under the suction effect of the spiral conveyor 32. The collecting box 3 is provided with a lifting lug 34, which is convenient for carrying. The secondary treatment unit 35 is a box body, and the aeration structure is including the annular aeration pipe 25 of locating the bottom half and the second air pump 28 that links to each other with annular aeration pipe 25, and the upper portion of box is located to second air pump 28, and the air inlet intercommunication through pipe and annular aeration pipe 25 to let in oxygen in the sewage, just carry out aeration treatment to it before sewage gets into purification tank 5 promptly, avoid the water pollution that direct aeration treatment caused in purification tank 5.
In order to make the temperature of the sewage reach the optimal growth temperature of the aquatic plants, a heating structure for heating the sewage is further provided in the secondary pretreatment unit 35. The heating structure comprises a temperature sensor 37 and an electric heating piece 36 which are arranged inside the box body, wherein the temperature sensor 37 is used for monitoring the temperature inside the box body in real time and sending the temperature to an external controller to control the heating temperature of the electric heating piece 36.
In order to ensure the normal operation of the first air pump, the second air pump and the controller, a solar photovoltaic panel 15 is further arranged at the opening of the secondary processing unit 35, and electric energy generated by the solar photovoltaic panel 15 is stored in the lithium battery pack 29 arranged on one side of the secondary processing unit 35 so as to conveniently provide electric energy for other elements.
In order to treat the waste gas generated in the secondary treatment unit 35, a gas deodorization tank 17 is further arranged on one side of the secondary treatment unit 35, and the gas deodorization tank 17 sucks the waste gas generated in the secondary treatment unit 35 into the interior through a pipeline, and discharges the waste gas into the atmosphere after being treated by activated carbon.
Aerobic microorganisms are cultured in the aerobic descending tank 12, anaerobic microorganisms are cultured in the anaerobic ascending tank 20, then aquatic plants are cultured in the through grooves of the supporting plate 13, and meanwhile, the roots of the aquatic plants penetrate through the net-shaped supporting structure 23 to be arranged. Sending sewage to be treated into a filtering tank, filtering solid impurities in the sewage by a grid filter screen 31 arranged in the filtering tank, and simultaneously conveying the solid impurities generated by filtering into a collecting box 3 by a screw conveyor 32; inside sewage after the prefilter enters into the box, carries out heat treatment to sewage by the electric heating piece 36 that sets up in the box inside for the temperature of sewage reaches the best temperature that microorganism grows and breeds, carries out the oxygenation to sewage by the inside that annular aeration pipe 25 was sent to the air drum by second air pump 28 simultaneously, can also avoid the organic solid particle thing that contains in the sewage to deposit in the box inside when the aeration. The oxygenated sewage enters the aerobic descending tank 12 through the draft tube 14, and the microorganisms and the aquatic plants in the aerobic descending tank 12 degrade the organic matters in the sewage. The primarily degraded sewage enters the interior of the anaerobic ascending tank 20 through the circulating hole 21, organic matters in the sewage are further degraded by anaerobic microorganisms and aquatic plants arranged in the anaerobic ascending tank 20, and the treated sewage is discharged through the liquid outlet pipe 38. When sludge deposited at the bottoms of the aerobic descending tank 12 and the anaerobic ascending tank 20 needs to be cleaned, only the first air pump is needed to blow air into the air bags, the air bags are blown to lift the aquatic plants and the supporting plates 13 out of the water, and then the sludge deposited at the bottoms of the aerobic descending tank 12 and the anaerobic ascending tank 20 is cleaned through the external sludge pump. After the cleaning is completed, the air bag is deflated, and the aquatic plants and the supporting plate fall to the initial floating position under the action of gravity.
Alternatively, the support plate 13 may be mounted at the opening of the purification tank 5 by a connector such as a clamp, and when it is necessary to lift the support plate 13 and the aquatic plants upward, the clamp is simply removed.
As an alternative embodiment, the culture space 10 is a groove formed on the support plate 13, and a plurality of through holes are formed on the side wall and the bottom wall of the groove. The grooves themselves provide a certain support for the aquatic plants, thereby simplifying the structure of the support plate 13.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. An artificial wetland system for sewage treatment, comprising:
purification tank (5) is equipped with the multiple microorganism that carries out the treatment to sewage in, just the opening part of purification tank (5) is equipped with a backup pad (13), backup pad (13) with purification tank (5) swing joint, be equipped with a plurality of cultivation spaces (10) that are used for bearing aquatic plant on backup pad (13), just cultivate space (10) with the inside of purification tank (5) link up the setting.
2. The constructed wetland system for sewage treatment according to claim 1, wherein a plurality of positioning columns (11) are arranged in the purification tank (5), and the support plate (13) is sleeved on the positioning columns (11) to slide back and forth along the positioning columns (11) when an external force is applied.
3. The constructed wetland system for sewage treatment according to claim 1, characterized in that the culture space (10) is a through groove formed on the support plate (13), and the bottom of the through groove is provided with a net-shaped support structure (23).
4. The constructed wetland system for sewage treatment according to any of claims 1 to 3, further comprising an aeration structure (22) arranged below the support plate (13), wherein the aeration structure (22) has a first position for supporting the support plate (13) away from contact with the opening of the purification tank (5) under the action of the gas supply means (7) and a second position for contacting the opening of the purification tank (5).
5. The constructed wetland system for sewage treatment according to claim 4, characterized in that the inflatable structure (22) is an air bag provided at the lower periphery of the support plate (13).
6. The constructed wetland system for sewage treatment according to claim 5, characterized in that the air bags are provided with a plurality of gas outlets at positions facing the support plate (13).
7. The constructed wetland system for sewage treatment according to any one of claims 1 to 3, further comprising a pretreatment device communicated with the purification tank (5), wherein the sewage is treated by the pretreatment device and then delivered into the purification tank (5).
8. The constructed wetland system for sewage treatment according to claim 7, wherein the pretreatment device comprises a primary pretreatment unit (1) and a secondary pretreatment unit (35) which are communicated with each other, a solid-liquid separation structure is arranged in the primary pretreatment unit (1), and an aeration structure is arranged in the secondary pretreatment unit (35).
9. The constructed wetland system for sewage treatment according to claim 8, wherein a heating structure for heating sewage is further arranged in the secondary pretreatment unit (35).
10. The constructed wetland system for sewage treatment according to claim 1 or 2, characterized in that the culture space (10) is a groove formed on the support plate (13), and a plurality of through holes are arranged on the side wall and/or the bottom wall of the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920451533.XU CN210012659U (en) | 2019-04-03 | 2019-04-03 | Artificial wetland system for sewage treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920451533.XU CN210012659U (en) | 2019-04-03 | 2019-04-03 | Artificial wetland system for sewage treatment |
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| CN210012659U true CN210012659U (en) | 2020-02-04 |
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| CN201920451533.XU Active CN210012659U (en) | 2019-04-03 | 2019-04-03 | Artificial wetland system for sewage treatment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110015758A (en) * | 2019-04-03 | 2019-07-16 | 北京建工环境修复股份有限公司 | A kind of artificial wet land system for sewage treatment |
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2019
- 2019-04-03 CN CN201920451533.XU patent/CN210012659U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110015758A (en) * | 2019-04-03 | 2019-07-16 | 北京建工环境修复股份有限公司 | A kind of artificial wet land system for sewage treatment |
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