CN110330190A - A kind of modularization backwash constructed wetland device - Google Patents
A kind of modularization backwash constructed wetland device Download PDFInfo
- Publication number
- CN110330190A CN110330190A CN201910680313.9A CN201910680313A CN110330190A CN 110330190 A CN110330190 A CN 110330190A CN 201910680313 A CN201910680313 A CN 201910680313A CN 110330190 A CN110330190 A CN 110330190A
- Authority
- CN
- China
- Prior art keywords
- layer
- coarse sands
- backwash
- gravel
- constructed wetland
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 239000010865 sewage Substances 0.000 claims abstract description 58
- 239000011435 rock Substances 0.000 claims abstract description 31
- 229920001684 low density polyethylene Polymers 0.000 claims abstract description 21
- 239000004702 low-density polyethylene Substances 0.000 claims abstract description 21
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000004576 sand Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 19
- 238000000034 method Methods 0.000 abstract description 12
- 238000010276 construction Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000004804 winding Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 71
- 241000196324 Embryophyta Species 0.000 description 18
- 230000000694 effects Effects 0.000 description 10
- 238000010926 purge Methods 0.000 description 10
- 238000004065 wastewater treatment Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 6
- 244000005700 microbiome Species 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 230000000813 microbial effect Effects 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 238000009395 breeding Methods 0.000 description 2
- 230000001488 breeding effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- CCEKAJIANROZEO-UHFFFAOYSA-N sulfluramid Chemical group CCNS(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F CCEKAJIANROZEO-UHFFFAOYSA-N 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 244000205574 Acorus calamus Species 0.000 description 1
- 235000011996 Calamus deerratus Nutrition 0.000 description 1
- 235000005273 Canna coccinea Nutrition 0.000 description 1
- 240000008555 Canna flaccida Species 0.000 description 1
- 241001503485 Mammuthus Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000035568 catharsis Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
-
- 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
-
- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Biological Wastes In General (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a kind of modularizations to backwash constructed wetland device, water plant is rooted in coarse sands layer, gravel layer is connected with coarse sands layer, boulderet rock layers respectively, large gravel bed is connected with boulderet rock layers, LDPE lining respectively, both sides are equipped with sewage water inlet pipe, backwash outlet pipe on coarse sands layer, the first connection ring, the second connection ring are respectively provided on device both sides equipped with backwash water inlet pipe, bilge discharge pipe with the both sides on LDPE lining under large gravel bed.By multiple modules and company or series winding assembling.Whole device is other than water plant, coarse sands layer, small gravel layer, boulderet rock layers, large gravel bed and LDPE lining.Structure is simple, easy to use, be standard component, can industrialized mass production, according to actual user's quantity carry out modularization assembling, plug and play.The technical problem to be solved is that the domestic sewage processing system improvement in Process of New Countryside Construction, preferably progress sewage treatment meets the demand of the quick modernization construction in rural area at this stage.
Description
Technical field
The invention belongs to the sewage treatment fields in rural development, are more particularly to a kind of modularization backwash artificial swamp
Device.Suitable for fast-developing new countryside construction and urban-rural integration process, the incomplete rural area of sewage treatment auxiliary facility,
Cities and towns, suburbs etc..
Background technique
With the rapid development of economy, in new countryside construction and urban-rural integration process, traditional rural area, cities and towns, city
Suburb etc., living condition increasingly improves, but corresponding auxiliary facility also fail to it is perfect.Serious environmental problem is caused, wherein most
To be that the sanitary sewage containing various detergent, excrement is unprocessed just discharged to be outstanding, be largely discharged into irrigation canals and ditches, pool,
In lake, river, river, pool pollution being caused, villager's living environment and water safety are influenced, China rural area water process lags,
Restrict the whole progress of water environment treatment.And rural area is different from city, height difference is small, and house distribution is more scattered, usually in band-like
Or scatterplot shape, sewage collecting difficulty is increased, if indiscriminately imitating city mode, piping cost can also be increased.
The resident house distance of these usual regions farther out, if setting up sewage treatment plant, needs to be taken out sewage with mammoth pump
Get treatment plant, it will greatly increase cost；And if selecting urban sewage treatment process such as membrane bioreactor, large-sized artificial
Wetland etc., it is not only at high cost, it is economically difficult to bear, and be difficult to realize the requirement of technology during operation and maintenance.Cause
This selection is suitable for that the processing system of the region actual conditions is particularly important.
Artificial swamp is a kind of common facility of China's processing sewage, has effluent quality good, stronger organic matter, ammonia
The advantages such as nitrogen processing capacity, operation and maintenance are convenient, and management is simple, and investment and operating cost are low.It is relatively more suitable for that fund is few, the energy
The Small Urban and rural area that shortage and technician lack.Artificial wet land system is generally divided into level stream, undercurrent and vertical at present
Stream, wherein vertical current constructed wetland because it is small compared with other forms wetland with occupied area, treatment effeciency is high, whole system can be with
The advantages that building underground in completely and be widely used.In vertical current constructed wetland, sewage is percolated downward vertically from surface layer, to
Successively pass through different packing layers in dirty process, the biomembrane on surface plays catharsis to sewage, in waste water
The processing power of aerobic organic matter is stronger, but existing vertical current constructed wetland in top layer due to concentration of wastewater highest, easily formed
It is hardened, influence purifying water effect, it is often necessary to dredge, increase operating cost.
Summary of the invention
The purpose of the invention is to provide a kind of modularizations to backwash constructed wetland device, and apparatus structure is simple, makes
It is low in cost with convenience, it is efficiently easy to operate.It solves artificial wetland modules, joined back purge system in the module, it is right
Existing artificial marsh sewage treatment system is improved, and especially solves the problems, such as Wetland clogging, to preferably be promoted
Wastewater treatment efficiency.
In order to solve the above technical problems, the invention adopts the following technical scheme:
A kind of modularization backwashes constructed wetland device, it is by water plant, coarse sands layer, small gravel layer, boulderet rock layers, big
Bilge discharge pipe, first connect after gravel layer, LDPE lining, sewage water inlet pipe, backwash water inlet pipe, backwash outlet pipe, processing
Connect ring and the second connection ring composition, connection relationship is: water plant is rooted in coarse sands layer, gravel layer respectively with coarse sands layer,
Boulderet rock layers connect, and large gravel bed connects with boulderet rock layers, LDPE lining respectively (is sequentially overlapped small gravel below coarse sands layer
Layer, boulderet rock layers and large gravel bed)；Both sides are equipped with sewage water inlet pipe, backwash outlet pipe on coarse sands layer, for recoil to be discharged
Sewage after washing, with the both sides on LDPE lining equipped with bilge discharge pipe after backwash water inlet pipe, processing under large gravel bed
10, the sewage of discharge standard is reached for being discharged that treated.Biological cleaning is carried out by water plant first, then by thick
Layer of sand carries out physics sedimentation, carries out microbial degradation using small gravel layer, boulderet rock layers, large gravel bed and biomembrane adsorbs.
After these processing, by bottom outside the horizontal discharger of sewage outlet pipe.Sewage at this time has been subjected to be handled layer by layer
And sedimentation, reach level-one A sewage treatment row in national " urban wastewater treatment firm pollutant emission standard (GB18918-2002) "
Standard is put, suitable for being discharged into natural environment.And LDPE lining 6 belongs to impermeable stratum, can prevent whole device leak and pollute ring
Border can also extend the service life of device.It is respectively provided with the first connection ring, the second connection ring on whole device both sides, can be used for
Multiple modules are assembled, the processing suitable for different sewage amount.
The whole device is individual module, and module is square, and module side is 1m or so.According to specifically needing to handle
Sewage quantity, the first connection ring can be passed through, the second connection ring carries out multiple (4-8) module assembleds.It can be by multiple modules and company
Or series winding assembling, the processing system after assembling are put into a hollow place, can only see water plant from surface, will not influence scape
It sees.Whole device owns other than water plant, coarse sands layer, small gravel layer, boulderet rock layers, large gravel bed and LDPE lining
Material be made of PVC.
The coarse sands layer is water penetration matrix, and requires to contain aerobic or anaerobe population, usually 0.1-6mm
The coarse sand of partial size.
The small gravel layer is usually the volcanic rock of 3-5cm diameter, and volcanic rock biological filter material is by volcano rock and ore, warp
The particulate filter that the series of process such as ore dressing, broken, screening, grinding are process is crossed, main component is minerals and micro member
Element is apparently irregular particle, porous light, particularly suitable for microorganism in the growth of its surface, breeding, forms biomembrane.
The boulderet rock layers are the gravel of 8-10cm diameter.
The large gravel bed is the gravel of 10-15cm diameter.
The gross sand thickness is 20cm；
The small gravel layer is with a thickness of 30cm；
The cobble-stone layer is with a thickness of 15cm；
The large gravel bed is with a thickness of 15cm；
The LDPE liner layer thickness is 5cm；
The water plant is specially common emergent aquactic plant, and emergent aquactic plant is that reed, canna, calamus etc. are therein
A kind of or two to three kinds any combination, not only plays suction-operated, but also can make ornamental plant.
By abovementioned technology, it is crucial that the first connection ring and the second connection ring, these components are not only to connect
Connect the important component of standard component, the setting and fastness of number (2-4), size (annulus that diameter is 10 centimetres)
Using effect will also be directly affected.Followed by back purge system, back purge system backwash water inlet pipe and backwash outlet pipe
Composition, this device are an innovations in the wetland module basis to have come into operation in the current market, greatly strengthen dirt
Water treatment efficiency and module service life.This technology solves the problems, such as rural sewage treatment, while solving dirty before
Water is unprocessed to be just discharged into the problem of nature pollutes.Solves the particular problem in rural area according to the actual situation, in not shadow
Under the premise of ringing landscape effect, preferable wastewater treatment efficiency is reached.Artificial swamp before relatively in wastewater treatment efficiency, make
It is more preferable with effect etc., it is also more practical, and can be assembled, and can backwash, implemented and replaced and is also more convenient.
Water plant is mainly biological cleaning, and coarse sands layer carries out physics sedimentation, small gravel layer, boulderet rock layers and large gravel bed
It is substantially carried out microbial degradation and biomembrane absorption.LDPE lining belongs to impermeable stratum, can prevent whole device leak and pollute
Environment can also extend the service life of device.First connection ring and the second connection ring primarily serve connection function, by several (4-
8) module connects for handling different sewage quantity.Sewage water inlet pipe mainly by sewage collecting get up and bleeder,
By sewage, bilge discharge pipe is discharged after processing after to be processed, and backwash water inlet pipe and backwash outlet pipe are back purge systems,
It is mainly used for carrying out backwash use after coarse sands layer is hardened.Wherein, connection ring can be by several (4-8) modules according to difference
Sewage quantity be attached, back purge system increases the service life of the device.
The artificial swamp that the device has come into operation than before has following improvement: 1) it is standardized module, it can basis
Actual conditions (such as number of users, sewage quantity, pollution level) are assembled；2) back purge system is newly added, it can be preferably
Wastewater treatment efficiency is improved, the service life of device is extended；3) since microorganism is the main body and core that artificial swamp decontaminates,
And the small gravel layer in the present apparatus is the volcanic rock of 3-5cm diameter, particularly suitable for microorganism in the growth of its surface, breeding, shape
At biomembrane.The absorption that microorganism in sewage can be enhanced, improves wastewater treatment efficiency.
By above-mentioned technical measures, some simulated experiments have been carried out to the device, have there is following characteristic (conclusion), it can
It refers in actual application:
(1) only the processing family domestic water 1-3 can use single module, two modules in the family 3-6, the multiple modules in 6 families or more
Assembling, has achieved the effect that sewage treatment.
(2) individual module handles sewage, needs to reach discharge standard with about 4 days；Two modules are used about 3 days；Four modules were with 2 days
It can reach discharge standard.Therefore in actual use also it is contemplated that the processing time.
(3) device handles sewage, reduces the pollutant load in sewage, has reached town sewage first discharge standard
(annual average).Such as pH value (6-9), COD (50mg/L), biochemical oxygen demand (BOD) (10mg/L), suspended matter (10mg/L) is moved
Vegetable oil (1mg/L), petroleum-type (1mg/L), anionic surfactant (0.5mg/L), total nitrogen (15mg/L), ammonia nitrogen { 5
(8mg/L) note 5 be water temperature > 12 DEG C when Con trolling index, 8 be water temperature≤12 DEG C when Con trolling index, total phosphorus (1mg/L), coloration
(30 degree), excrement colibacillus group number (103A/liter) etc..
Compared with prior art, the present invention having the following advantages that and effect:
The invention patent not only solves technical problem, and reduces costs, and improves wastewater treatment efficiency, improves life
State environment.Operation is simple for the device.Core is the standard component that side length is 1m or so, can large-scale serial production, according to
Number of users and demand are assembled.Its frame and pipeline use PVC material, at low cost, and light easy transport, assembling
Simply.
This modularized artificial wetland device can be efficiently used 10 years (more than), saved in use largely at
This.Safeguard it is simple to operation, only water plant need to periodically be gathered in trimming, individual module etc. periodic replacement, periodically recoil
It washes, just can guarantee wastewater treatment efficiency and landscape effect well, can be promoted the use of in rural area, cities and towns and suburbs.
Detailed description of the invention
Fig. 1 is that a kind of modularization backwashes constructed wetland device.
Fig. 2 is the operation schematic diagram of the device after a kind of appearance of coarse sands layer is hardened.
Wherein: 1- water plant, 2- coarse sands layer, the small gravel layer of 3-, 4- boulderet rock layers, 5- large gravel bed, 6-LDPE lining,
7- sewage water inlet pipe, 8- backwash water inlet pipe, 9- backwash outlet pipe, 10- bilge discharge pipe, 11- connection ring are connected with 12-
Ring.
Specific embodiment
Embodiment 1:
Below according to Fig. 1, Fig. 2 it is found that a kind of modularization backwashes constructed wetland device, it is by water plant 1, coarse sands layer
2, small gravel layer 3, boulderet rock layers 4, large gravel bed 5, LDPE lining 6, sewage water inlet pipe 7, backwash water inlet pipe 8, recoil wash out
Water pipe 9, bilge discharge pipe 10, the first connection ring 11 and the second connection ring 12 composition, it is characterised in that: water plant 1 is rooted in
In coarse sands layer 2, gravel layer 3 is connected with coarse sands layer 2, boulderet rock layers 4 (connects) respectively, large gravel bed 5 respectively with boulderet rock layers 4,
LDPE lining 6 is connected (connecing), (small gravel layer 3, boulderet rock layers 4 and large gravel bed 5 are sequentially overlapped below coarse sands layer 2).Thick
Both sides fill under large gravel bed 5 with the both sides on LDPE lining 6 equipped with sewage water inlet pipe 7, backwash outlet pipe 9 on layer of sand 2
Bilge discharge pipe 10 after having backwash water inlet pipe 8, handling, is respectively provided with the first connection ring on (entire) device both sides of the invention
11, the second connection ring 12, sewage enter device by sewage water inlet pipe 7, carry out biological cleaning by water plant 1 first, so
Afterwards by coarse sands layer 2 carry out physics sedimentation, using small gravel layer 3, boulderet rock layers 4, large gravel bed 5 carry out microbial degradation and
Biomembrane absorption.After these processing, by bottom outside the horizontal discharger of sewage outlet pipe 10.Sewage at this time is
By handling and settling layer by layer, reach level-one in national " urban wastewater treatment firm pollutant emission standard (GB18918-2002) "
A sewage treatment discharge standard, suitable for being discharged into natural environment.And LDPE lining 6 belongs to impermeable stratum, can prevent whole device from leaking
Water and pollute environment, can also extend the service life of device.The both sides of whole device are respectively provided with the first connection ring 11, second company
Ring 12 is connect, can be used for multiple modules and assembled, the processing suitable for different sewage amount.The present apparatus there are also special designing at one,
That is back purge system (device), after a period of use due to the module, coarse sands layer 3 is easy to harden, influences wastewater purifying efficiency,
Therefore setting back purge system, it is handled, concrete operations are to close bilge discharge pipe 10 after sewage water inlet pipe 7 and processing, so
Tap water is entered into module from backwash water inlet pipe 8 afterwards, which contains force (forcing) pump, and pressure value (usually 20- is arranged
30kpa), the tap water through being overpressurized reaches coarse sands layer 2, can backwash hardened layer of sand, break up.After flushing, recoil is opened
Water pipe 9 is washed out, waste water is discharged.
The present invention (entire) device is individual module, and module is square, and module side is 1m or so, and module is wide
It is 1m or so with thickness, according to the sewage quantity that need to specifically handle, can be carried out by the first connection ring 11, the second connection ring 12 multiple
(generally 4-8) module assembled.Processing system after assembling is put into a hollow place, can only see water plant from surface,
It will not influence landscape.Whole device is in addition to water plant 1, coarse sands layer 2, small gravel layer 3, boulderet rock layers 4,5 and of large gravel bed
Except LDPE lining 6, all materials are made of PVC.
It is sequentially overlapped between multiple modules (4-8)；
The coarse sands layer 2 is water penetration matrix, and requires to contain aerobic or anaerobe population, usually 0.1-
The coarse sand of 6mm partial size (any partial size is ok).
The small gravel layer 3 is usually the volcanic rock of 3-5cm diameter (any diameter is ok), volcanic rock biological filter material
It is by volcano rock and ore, by the particulate filter that the series of process such as ore dressing, broken, screening, grinding are process, main component
Be apparently irregular particle for minerals and microelement, it is porous light, particularly suitable for microorganism its surface growth, it is numerous
It grows, forms biomembrane.
The boulderet rock layers 4 are the gravel of 8-10cm diameter (any diameter is ok).
The large gravel bed 5 is the gravel of 10-15cm diameter (any diameter is ok).
2 thickness of coarse sands layer is specially 20cm
3 thickness of small gravel layer is specially 30cm
4 thickness of boulderet rock layers is specially 15cm
5 thickness of large gravel bed is specially 15cm
6 thickness of LDPE lining is specially 5cm.
The apparatus structure is simple, and material is light, easy to use, be standard component, can industrialized mass production, according to reality
Number of users carries out modularization assembling, plug and play.And the device is vertical current constructed wetland, is presently most used, sewage
The optimal artificial swamp type for the treatment of effect, and joined back purge system.The technical problem to be solved is that new rural village
Domestic sewage processing system improvement in process of construction, preferably progress sewage treatment meet the quick modern times in rural area at this stage
Change the demand of construction.
The house location of user is combined first, and needs the number of users using the device, is dug in using area one big
Hole, depth 1m determine the number for using module according to the size (integral multiple that length and width are preferably side length) that this sewage treatment is cheated
Amount.After quantification, each module is assembled with connection ring, and is put into sewage treatment hole.By the sewage manifold of every family
It always is connected to sewage water inlet pipe to a pipeline, this device brings into operation.(such as two months) after a certain period of time are run to, to plant
It is gathered in and is trimmed, and check the drainage effect of water outlet.
After coarse sands layer 2 occurs hardened, such as Fig. 2 (coarse sands layer 2 occurs hardened), then back purge system (backwash dress is opened
Set i.e. backwash water inlet pipe 8 and backwash outlet pipe 9) module is backwashed and is broken up coarse sands layer.Concrete operations are will be dirty
Bilge discharge pipe 10 is closed after water water inlet pipe 7 and processing, and clean water is then entered module from backwash water inlet pipe (8), is passed through
The clean water being overpressurized reaches 2 surface of coarse sands layer from bottom, can break up hardened surface layer dirt.The dirt broken up passes through recoil
Water pipe 9 is washed out to be discharged.
By above-mentioned specific embodiment, a kind of improvement to original rural sewage treatment, preferably lifting sewage are reached
Treatment effect.
Claims (8)
1. a kind of modularization backwashes constructed wetland device, it is by water plant (1), coarse sands layer (2), small gravel layer (3), boulderet
Rock layers (4), large gravel bed (5), LDPE lining (6), sewage water inlet pipe (7), backwash water inlet pipe (8), backwash outlet pipe
(9), bilge discharge pipe (10), the first connection ring (11) and the second connection ring (12) composition, it is characterised in that: water plant (1)
Be rooted in coarse sands layer (2), gravel layer (3) is connected with coarse sands layer (2), boulderet rock layers (4) respectively, large gravel bed (5) respectively with
Boulderet rock layers (4), LDPE lining (6) are connected, and both sides are equipped with sewage water inlet pipe (7), backwash outlet pipe on coarse sands layer (2)
(9), backwash water inlet pipe (8), bilge discharge pipe (10) are housed under large gravel bed (5) with the both sides on LDPE lining (6),
The first connection ring (11), the second connection ring (12) are respectively provided on device both sides.
2. a kind of modularization according to claim 1 backwashes constructed wetland device, it is characterised in that: the device is
Individual module, module are square, and module side 1m, module is wide and thickness is 1m.
3. a kind of modularization according to claim 1 backwashes constructed wetland device, it is characterised in that: the module is
It is sequentially overlapped between 3-6.
4. a kind of modularization according to claim 1 backwashes constructed wetland device, it is characterised in that: the coarse sands layer
(2) it is water penetration matrix, is the coarse sand of 0.1-6mm partial size, coarse sands layer (2) is with a thickness of 20cm.
5. a kind of modularization according to claim 1 backwashes constructed wetland device, it is characterised in that: the small gravel
Layer (3) is 3-5cm diameter, and small gravel layer (3) is with a thickness of 30cm.
6. a kind of modularization according to claim 1 backwashes constructed wetland device, it is characterised in that: the cobble-stone
Layer (4) is the gravel of 8-10cm diameter, and the boulderet rock layers (4) are with a thickness of 15cm.
7. a kind of modularization according to claim 1 backwashes constructed wetland device, it is characterised in that: the big gravel
Layer (5) is the gravel of 10-15cm diameter, and large gravel bed (5) is with a thickness of 15cm.
8. a kind of modularization according to claim 1 backwashes constructed wetland device, it is characterised in that: the LDPE lining
Layer (6) is with a thickness of 5cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910680313.9A CN110330190A (en) | 2019-07-26 | 2019-07-26 | A kind of modularization backwash constructed wetland device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910680313.9A CN110330190A (en) | 2019-07-26 | 2019-07-26 | A kind of modularization backwash constructed wetland device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110330190A true CN110330190A (en) | 2019-10-15 |
Family
ID=68147657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910680313.9A Pending CN110330190A (en) | 2019-07-26 | 2019-07-26 | A kind of modularization backwash constructed wetland device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110330190A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112607866A (en) * | 2020-10-20 | 2021-04-06 | 中国水利水电科学研究院 | Wetland sewage purification device and method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100460463B1 (en) * | 2004-08-03 | 2004-12-09 | 주식회사 에코다임 | A garden type wastewater treatment plant |
| CN204058073U (en) * | 2014-08-25 | 2014-12-31 | 惠州市东江园林工程有限公司 | A kind of vertical subsurface flow wetland structure |
| CN104817184A (en) * | 2015-04-20 | 2015-08-05 | 天津市联合环保工程设计有限公司 | Back-washable vertical flow subsurface-flow constructed wetland |
| CN205472964U (en) * | 2016-03-17 | 2016-08-17 | 中国科学院水生生物研究所 | Anti device that blocks up water distribution and back flush of constructed wetland |
| CN205500926U (en) * | 2016-01-20 | 2016-08-24 | 浙江省风景园林设计院有限公司 | Undercurrent constructed wetland structure |
| CN206308123U (en) * | 2016-05-18 | 2017-07-07 | 东南大学 | Preprocessing insert-type hybrid constructed wetland system |
| CN210711144U (en) * | 2019-07-26 | 2020-06-09 | 中国科学院水生生物研究所 | Modularized backwashing constructed wetland device |
-
2019
- 2019-07-26 CN CN201910680313.9A patent/CN110330190A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100460463B1 (en) * | 2004-08-03 | 2004-12-09 | 주식회사 에코다임 | A garden type wastewater treatment plant |
| CN204058073U (en) * | 2014-08-25 | 2014-12-31 | 惠州市东江园林工程有限公司 | A kind of vertical subsurface flow wetland structure |
| CN104817184A (en) * | 2015-04-20 | 2015-08-05 | 天津市联合环保工程设计有限公司 | Back-washable vertical flow subsurface-flow constructed wetland |
| CN205500926U (en) * | 2016-01-20 | 2016-08-24 | 浙江省风景园林设计院有限公司 | Undercurrent constructed wetland structure |
| CN205472964U (en) * | 2016-03-17 | 2016-08-17 | 中国科学院水生生物研究所 | Anti device that blocks up water distribution and back flush of constructed wetland |
| CN206308123U (en) * | 2016-05-18 | 2017-07-07 | 东南大学 | Preprocessing insert-type hybrid constructed wetland system |
| CN210711144U (en) * | 2019-07-26 | 2020-06-09 | 中国科学院水生生物研究所 | Modularized backwashing constructed wetland device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112607866A (en) * | 2020-10-20 | 2021-04-06 | 中国水利水电科学研究院 | Wetland sewage purification device and method |
| CN112607866B (en) * | 2020-10-20 | 2021-12-14 | 中国水利水电科学研究院 | Wetland sewage purification device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102251459A (en) | System for carrying out collection, purification and utilization on rainwater on road surfaces | |
| CN201762212U (en) | Wastewater disposal system for artificial wetlands | |
| CN103819005A (en) | Artificial wetland processing system constructed by ecological bags | |
| CN111003893A (en) | New rural sewage treatment irrigation system and treatment method | |
| CN102730915B (en) | Dispersive sewage multilayer soil ecological treatment device and method | |
| CN101386451A (en) | Method for processing town sewage using composite vertical current artificial marshland and apparatus thereof | |
| CN202658055U (en) | Dispersed sewage multi-layer soil ecological treatment device | |
| CN205023952U (en) | Vertical current subsurface flow constructed wetlands | |
| CN110066074A (en) | A kind of sewage reuse processing unit | |
| CN109734254A (en) | A kind of small rural Domestic sewage collecting, processing, reusing integral system | |
| CN205892881U (en) | Vertical -flow constructed wetland decentralized wastewater treatment equipment | |
| CN106517524B (en) | A kind of device and method of micro- aeration rotating wetland filtering pond processing town sewage | |
| CN110330190A (en) | A kind of modularization backwash constructed wetland device | |
| CN106115924B (en) | Vertical-flow artificial wetland distributed sewage treatment equipment | |
| CN108083426A (en) | A kind of rapid infiltration system for initial rainwater efficient process | |
| CN101913730A (en) | Artificial wetland sewage treatment method and system | |
| CN106380042A (en) | Circulating water purification system and method applicable to lakes | |
| CN210711144U (en) | Modularized backwashing constructed wetland device | |
| CN104986863A (en) | Rural domestic sewage manual wetland system and purification method | |
| CN110655190A (en) | Positive-particle-size horizontal subsurface flow constructed wetland system and operation method | |
| CN208869382U (en) | A kind of modular reusing sewage ecological treatment system | |
| CN205892882U (en) | Vertical -flow constructed wetland's water distribution system | |
| CN102503037A (en) | Hydroponic plant and filter dam combined eutrophication water body ex-situ remediation system | |
| CN202322557U (en) | Hydroponic plant and filter dam combined eutrophic water body ex-situ remediation system | |
| CN102515413B (en) | Sewage treatment system and treatment method of composite horizontal undercurrent constructed wetland |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |