CN201648121U - Horizontal submerged flow artificial wet land - Google Patents

Horizontal submerged flow artificial wet land Download PDF

Info

Publication number
CN201648121U
CN201648121U CN2010201209045U CN201020120904U CN201648121U CN 201648121 U CN201648121 U CN 201648121U CN 2010201209045 U CN2010201209045 U CN 2010201209045U CN 201020120904 U CN201020120904 U CN 201020120904U CN 201648121 U CN201648121 U CN 201648121U
Authority
CN
China
Prior art keywords
gravel
district
artificial
wet land
bed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2010201209045U
Other languages
Chinese (zh)
Inventor
王崇宇
贾柠宁
李楠
吕康乐
苏航
卢丽杰
王寅
陈寅嵩
马文瀚
邢文超
沈文佳
路雯潇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hebei Agricultural University
Original Assignee
Hebei Agricultural University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hebei Agricultural University filed Critical Hebei Agricultural University
Priority to CN2010201209045U priority Critical patent/CN201648121U/en
Application granted granted Critical
Publication of CN201648121U publication Critical patent/CN201648121U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • Y02W10/18

Abstract

The utility model discloses a horizontal submerged flow artificial wet land, which comprises a bed body, two sides of the bed body are gravel zones which are respectively a water inlet gravel zone and a water outlet gravel zone, the middle part of the bed body is a substrate zone, a micropore aeration pipe is provided at the lower part of the substrate zone, the substrate zone is provided with a coarse sand layer, an artificial mixed layer and a coarse sand layer in turn from top to bottom, the substrate zone is divided into a snake-shaped water flow channel by an arranged flow guiding baffle, the artificial mixed layer is planted with a deep root plant, a flow discharge slot is provided at the bottom of the bed body, a waterproof layer is arranged at the bottom of the flow discharge slot, the flow discharge slot top is arranged at the water outlet gravel zone wherein a pervious board is provided, the rest part of the flow discharge slot top is provided with the waterproof layer. The utility model can adsorb the heavy metal pollutants with high efficiency, can effectively decompose the organic pollutions, and the sewage purification efficiency can be improved.

Description

Horizontal drowned flow artificial wet land
Technical field
The utility model relates to technical field of sewage, especially a kind of horizontal drowned flow artificial wet land that is used for sewage disposal.
Background technology
China's sewage purification and reuse rate is very low at present, is many-sided though cause the reason of this situation, and major cause still is the sewage purification and reuse technology, can't adapt to the requirement of the sewage resource marketization.Though the past, traditional bio-aeration pool technology can more efficiently be removed the organism in the sewage, lower to the removal ability of nitrogen phosphorus, effluent quality can not reach middle water reuse standard; Though the membrane Bio-reactor Technology effluent quality is higher, the investment working cost is higher, has limited this broad application, and other chemical physics treatment technologies also all exist investment working cost height, effluent quality instability and secondary pollution problems.The constructed wetland waste water treatment technology that is now moving has high-level efficiency, low investment, low running expense, the low characteristics of keeping technology, receives concern more and more widely in worldwide.Existing constructed wetland waste water treatment technology can be divided into surperficial streaming, vertical streaming and undercurrent type substantially.People have proposed composite artificial wetland sewage treatment method in recent years, and this method is the advantage of surface current artificial wetland, horizontal drowned flow artificial wet land and vertical current constructed wetland comprehensively, have certain treatment effect.But at present the horizontal drowned flow artificial wet land of using can not excessively well utilize the effects such as filtration, absorption of matrix, the plant translocation that mainly relies on common horizontal drowned flow artificial wet land realizes vertical oxygen compensation, compensation rate is little, nitrification is bad, the reaction purification efficiency of root system of plant and microorganism species is low, and is bad for the treatment effect of some organic pollutants and heavy metal contaminants.
The utility model content
The technical problems to be solved in the utility model provide a kind of can efficient absorption heavy metal contaminants, effectively decomposing organic pollutant, horizontal drowned flow artificial wet land that wastewater purification efficiency is high.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of horizontal drowned flow artificial wet land, comprise a body, its gordian technique is that a body both sides is the gravel district, be respectively water inlet gravel district and water outlet gravel district, the centre is the matrix district, bottom, matrix district is provided with micropore aeration pipe, the matrix district is followed successively by coarse sands layer from top to bottom, artificial mixolimnion, coarse sands layer, the diaphragm that is provided with is distinguished matrix and is slit into snakelike water stream channel, artificial mixolimnion kind is implanted with dark root system plant, bed body bottom is provided with dredging flow groove, the dredging flow groove bottom land is provided with waterproof layer, and dredging flow groove groove top is positioned at position, water outlet gravel district and is provided with porous disc, and the dredging flow groove groove pushes up all the other positions and is provided with waterproof layer.
Preferably, micropore aeration pipe is the porous PVC aeration tube, and micropore aeration pipe is connected with the underwater jet aeration machine.
Preferably, above-mentioned artificial mixolimnion is mixed by vermiculite, zeolite, cinder, and artificial mixolimnion thickness is at least 20cm, above closely knit, loose below.
Preferably, above-mentioned water inlet gravel district gravel particle diameter is 8-15mm, and water outlet gravel district gravel particle diameter is 2-4cm.
Preferably, above-mentioned coarse sands layer grain diameter is 2-7mm.
Adopt the beneficial effect that technique scheme produced to be: to be laid with matrix and micropore aeration pipe in the horizontal drowned flow artificial wet land, carry out little aeration by micropore aeration pipe to the oxygen supply of horizontal drowned flow wetland, effective increase system oxygen level, improved the reaction purification efficiency of root system of plant and microorganism species, the efficient processing absorbs heavy metal contaminants, decomposing organic pollutant, the diaphragm guiding sewage that is provided with carries out flowing of vertical and horizontal direction at the horizontal drowned flow wetland, increase the clarification time, improve purification efficiency; Behind the sewage process horizontal drowned flow wetland, organic pollutant and heavy metal contaminants can reduce in a large number, and inorganic pollutant also can further reduce.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the vertical view of Fig. 1.
Wherein, 1, dark root system plant; 2, coarse sands layer; 3, artificial mixolimnion; 4, coarse sands layer; 5, micropore aeration pipe; 6, waterproof layer; 7, dredging flow groove; 8, waterproof layer; 9, water inlet gravel district; 10, water outlet gravel district; 11, water guide dividing plate.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Referring to accompanying drawing 1, accompanying drawing 2, the both sides of horizontal drowned flow artificial wet land are the gravel district, wherein a side is water inlet gravel district 9, opposite side is water outlet gravel district 10, the zone that is surrounded by water guide dividing plate 11 is not filled up in water outlet gravel district 10, water outlet adds the part gravel can effectively prevent the system obstruction, is convenient to water and better discharges.Matrix is made up of coarse sands layer 2, artificial mixolimnion 3, coarse sands layer 4 from bottom to top, and artificial mixolimnion 3 is mixed by zeolite, vermiculite, cinder and forms.Micropore aeration pipe 5 is mesh structural porous PVC breather line, can carry out little aeration by micropore aeration pipe 5 to the oxygen supply of horizontal drowned flow wetland by the underwater jet aeration machine, can more effectively increase system's oxygen level, improve the reaction purification efficiency of root system of plant and microorganism species, the efficient processing absorbs heavy metal contaminants, decomposing organic pollutant.The plant translocation that mainly relies on horizontal drowned flow wetland commonly used realizes vertical oxygen compensation, and compensation rate is little.The multiple enriching plant of dark root system plant 1 main configuration, as reed, Stenocalyx micheli, calamus, Scirpus tabernaemontani or the like, the integrated configuration enriching plant is by the removal purpose of all kinds of enriching plants for heavy metal contaminants in the powerful absorptive function realization sewage of heavy metal contaminants.In this horizontal drowned flow wetland, can form plant---the micropopulation ecosystem, a large amount of superior microorganism groups can appear in matrix and root system, rely on microorganism species further decomposing organic pollutant and heavy metal contaminants.Behind this horizontal drowned flow of sewage process wetland pond, organic pollutant and heavy metal contaminants can reduce in a large number, and inorganic pollutant also can further reduce.
Referring to accompanying drawing 1, coarse sands layer 2 and coarse sands layer 4 adopt the coarse sand of grain diameter at 2-7mm, and the water inlet gravel selects particle diameter at 8-15mm, and it is 2-4cm that the gravel of water outlet is selected particle diameter.Artificial mixolimnio 3 thickness are at least 20cm, when inserting in the horizontal drowned flow wetland pond, according to top loose below closely knit, above particle tiny, below the thick principle of particle.10 bottoms, water outlet gravel district are provided with porous disc, and the sewage after the processing imports dredging flow groove 7 from here, and the rest part that the porous disc position is removed at the top of dredging flow groove 7 is provided with waterproof layer 6, and the dredging flow groove bottom also is equipped with waterproof layer 8.
Sewage at first passes through water inlet gravel district 9 during work, then under the guiding of water guide dividing plate 11, in the horizontal drowned flow wetland, carry out flowing of vertical and horizontal direction, can increase the clarification time, improve purification efficiency, enter water outlet gravel district 10 again at tail end, the porous disc below water outlet gravel district 10 imports horizontal drowned flow wetland pond sluicing groove 7, discharged by water discharge pipe, the water of discharge can recycle.The utility model can be formed composite artificial marsh sewage treatment system in conjunction with existing vertical-flow wetland or surface current wetland technology, has better action.

Claims (5)

1. horizontal drowned flow artificial wet land, comprise a body, it is characterized in that: bed body both sides are the gravel district, be respectively water inlet gravel district (9) and water outlet gravel district (10), the centre is the matrix district, bottom, matrix district is provided with micropore aeration pipe (5), the matrix district is followed successively by coarse sands layer (2) from top to bottom, artificial mixolimnion (3), coarse sands layer (4), the diaphragm (11) that is provided with is distinguished matrix and is slit into snakelike water stream channel, artificial mixolimnion (3) is planted and is implanted with dark root system plant (1), bed body bottom is provided with dredging flow groove (7), and dredging flow groove (7) bottom land is provided with waterproof layer (8), and dredging flow groove (7) groove top is positioned at position, water outlet gravel district (10) and is provided with porous disc.
2. horizontal drowned flow artificial wet land according to claim 1 is characterized in that: described micropore aeration pipe (5) is the porous PVC aeration tube, and micropore aeration pipe (5) is connected with the underwater jet aeration machine.
3. horizontal drowned flow artificial wet land according to claim 1 is characterized in that: described artificial mixolimnion (3) is mixed by vermiculite, zeolite, cinder, and artificial mixolimnion (3) thickness is at least 20cm, above closely knit, loose below.
4. horizontal drowned flow artificial wet land according to claim 1 is characterized in that: described water inlet gravel district (9) gravel particle diameter is 8-15mm, and water outlet gravel district (10) gravel particle diameter is 2-4cm.
5. horizontal drowned flow artificial wet land according to claim 1 is characterized in that: described coarse sands layer (2,4) grain diameter is 2-7mm.
CN2010201209045U 2010-03-02 2010-03-02 Horizontal submerged flow artificial wet land Expired - Fee Related CN201648121U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010201209045U CN201648121U (en) 2010-03-02 2010-03-02 Horizontal submerged flow artificial wet land

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010201209045U CN201648121U (en) 2010-03-02 2010-03-02 Horizontal submerged flow artificial wet land

Publications (1)

Publication Number Publication Date
CN201648121U true CN201648121U (en) 2010-11-24

Family

ID=43113350

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010201209045U Expired - Fee Related CN201648121U (en) 2010-03-02 2010-03-02 Horizontal submerged flow artificial wet land

Country Status (1)

Country Link
CN (1) CN201648121U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106242065A (en) * 2016-08-31 2016-12-21 上海二十冶建设有限公司 The drowned flow artificial wet land of a kind of easy purification of waste water and using method thereof
CN110745957A (en) * 2019-10-31 2020-02-04 武汉理工大学 Vertical-flow constructed wetland system for purifying heavy metal wastewater by using enhanced AMF (activated sludge Filter)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106242065A (en) * 2016-08-31 2016-12-21 上海二十冶建设有限公司 The drowned flow artificial wet land of a kind of easy purification of waste water and using method thereof
CN110745957A (en) * 2019-10-31 2020-02-04 武汉理工大学 Vertical-flow constructed wetland system for purifying heavy metal wastewater by using enhanced AMF (activated sludge Filter)

Similar Documents

Publication Publication Date Title
CN107540094B (en) Constructed wetland sewage treatment system
CN203768124U (en) Ecological filter for micro-polluted water treatment
CN103172226B (en) Surface water stagnation type baffling wetland system for synchronously and intensively removing nitrogen, phosphorus and estrogen
CN101817615A (en) Anaerobic-sequencing batch biofilm reactor-artificial wetland method for treating piggery wastewater
CN204474503U (en) A kind of country sewage drips the ecological canal treatment system of filter
CN204324990U (en) Be applicable to the multi-stage biological filter tank-ecological pond purification system into lake landscape water body
CN102173511B (en) Active-matrix-reinforced underflow constructed wetland device
CN104817239B (en) A kind of heavily contaminated water course in situ water purification system and purification method
CN101585607B (en) Preparation method for substrate of vertical-flow constructed wetlands
CN101602563A (en) The method of biology, ecological sectional purifying treatment sanitary sewage
CN106007181A (en) Tidal mixed flow constructed wetland system and sewage treatment method
CN201648121U (en) Horizontal submerged flow artificial wet land
CN105236687A (en) Sewage treatment device and method for self-cleaning type micro-aeration vertical baffled wetland
CN112939381A (en) Multi-efficiency combined biological filter
CN204625450U (en) A kind of Novel heavy polluted river channel original position water purification system
CN201648120U (en) Vertical flow-horizontal underflow combined artificial wetland
CN211339184U (en) Domestic sewage integrated treatment equipment based on steel slag ceramsite filler biological filter
CN109942156B (en) Biological filter based mariculture tail water treatment system and application method thereof
CN111253001A (en) Domestic sewage treatment device and treatment method thereof
CN107601780B (en) A method of utilizing laser treatment ammonia nitrogen in sewage organic matter
CN205387529U (en) Landscape ecology type decentralized sewage treatment device
CN102515413B (en) Sewage treatment system and treatment method of composite horizontal undercurrent constructed wetland
CN205892991U (en) Biological ecology water treatment facilities
CN104355487A (en) Ecological sewage treatment method
CN213141557U (en) Ditch type multi-stage surface flow artificial wetland

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20101124

Termination date: 20150302

EXPY Termination of patent right or utility model