CN208762353U - Two-part rural domestic sewage treatment system - Google Patents
Two-part rural domestic sewage treatment system Download PDFInfo
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- CN208762353U CN208762353U CN201820908808.3U CN201820908808U CN208762353U CN 208762353 U CN208762353 U CN 208762353U CN 201820908808 U CN201820908808 U CN 201820908808U CN 208762353 U CN208762353 U CN 208762353U
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- layer
- gravel
- leading portion
- back segment
- connecting tube
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- 239000010865 sewage Substances 0.000 title claims abstract description 84
- 238000011282 treatment Methods 0.000 title claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 90
- 239000002689 soil Substances 0.000 claims abstract description 48
- 239000000945 filler Substances 0.000 claims abstract description 26
- 239000010410 layer Substances 0.000 claims description 177
- 239000003818 cinder Substances 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 9
- 239000000919 ceramic Substances 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 6
- 230000003750 conditioning effect Effects 0.000 claims description 5
- 239000002344 surface layer Substances 0.000 claims description 4
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical group O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims description 2
- 238000011068 loading method Methods 0.000 abstract description 21
- 238000005202 decontamination Methods 0.000 abstract 1
- 230000003588 decontaminative effect Effects 0.000 abstract 1
- 230000000593 degrading effect Effects 0.000 abstract 1
- 238000001914 filtration Methods 0.000 description 19
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
- 230000000694 effects Effects 0.000 description 12
- 239000003344 environmental pollutant Substances 0.000 description 11
- 231100000719 pollutant Toxicity 0.000 description 11
- 238000012545 processing Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 6
- 229910052698 phosphorus Inorganic materials 0.000 description 6
- 239000011574 phosphorus Substances 0.000 description 6
- 239000005416 organic matter Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000000356 contaminant Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000006396 nitration reaction Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910021536 Zeolite Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 238000011026 diafiltration Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000010457 zeolite Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004166 bioassay Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- -1 by admaic earth Substances 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
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- Treatment Of Biological Wastes In General (AREA)
Abstract
The utility model provides a kind of two-part rural domestic sewage treatment system, including pretreatment system for sewage, leading portion system and back segment system；Leading portion system includes water inlet tube layer, gravel layer, soil block layer, filter layer, tube layer of catchmenting；Back segment system includes water inlet tube layer, gravel layer, mixed filler layer, layer of plants, outlet pipe；Pretreatment system for sewage is connect with leading portion system by the first connecting tube；Leading portion system is connect with back segment system by the second connecting tube；Pretreatment system for sewage is connect with back segment system by third connecting tube.The utility model uses two-part sewage treatmentmethod, and leading portion is using intercepting, degrading, suction type decontamination, and back segment strengthened denitrification enhances the endurance to hydraulic loading, is not easy to plug, and occupied area is small, and the cycle of operation is long, and sewage treating efficiency is high.
Description
Technical field
The utility model relates to technical field of sewage, it particularly relates at a kind of two-part domestic sewage in rural areas
Reason system, at a kind of high load capacity sewage that multilevel soil filtration system is combined with conventional shunt Efficiency for Soil Aquifer Treatment
Science and engineering skill.
Background technique
It is the decentralized type sewage natural ecological treatment technology of representative because of its preferable pollutant removal using land treatment system
The advantages that performance and lower capital construction, operating cost, is widely used in rural area and other economic condition backward areas.Wherein,
Efficiency for Soil Aquifer Treatment is widely used because it designs the advantages that simple, contaminant removal efficiency is high in countries in the world.
Conventional soil filtration system is that had using animal, plant, microorganism and the soil itself in soil under earth's surface
Physics, chemistry, biological nature remove the pollutant in water body, conventional soil filtration system is equal to organic matter, ammonia nitrogen and phosphorus
With superior removal effect, in the case where shunting measure provides sufficient carbon source for denitrification, Efficiency for Soil Aquifer Treatment is to total
Nitrogen also has good removal effect, but is affected by hydraulic loading, as the increase pollutants removal rate of hydraulic loading can be big
Width reduces, and easily blocks, and occupied area is also larger.
Multilevel soil filtration system is a kind of innovative Efficiency for Soil Aquifer Treatment, it is with soil block layer and diafiltration cross-bedding
Structure substitution conventional soil filtration system uniform soil matrix effectively subtract so that the dispersibility into sewage gets a promotion
The blocking of few system, greatly enhances the hydraulic loading ability to bear of system, reduces the occupied area of system, and to solid in water body
Body suspended matter, organic matter etc. easily cause the removal efficiency of the pollutant of blocking superior；But in the removal of nitrogen pollutant, due to
System with adsorb with nitrification based on, denitrogenation is not thorough, and nitrogen removal efficiency is relatively low.
Because domestic sewage in rural areas is wide, dispersion, water quality, the features such as water fluctuation is big are caused at conventional town sewage
Reason technology is more difficult to meet processing requirement, although and using land treatment system as the decentralized type sewage natural ecological treatment technology of representative
There is certain treatment effect to domestic sewage in rural areas, and in contrast invest compared with small, O&M is easy, secondary pollution is few, but
There are the situation that high water-base fluid, long periods of time in order and excellent treatment effect can not get both, the promotion of hydraulic loading easily causes place
The filler of reason system blocks and shortens the cycle of operation, and contaminant removal efficiency can also be greatly reduced；If guaranteeing processing system in height
Longtime running under the conditions of hydraulic loading, the occupied area and construction cost of system can greatly increase again, this is also greatly limited
It is promoted and applied in the area that rural area is backward and land resource is in short supply.
Therefore, the utility model is directed to existing rural sewage treatment technology above shortcomings, especially conventional soil
Nitric efficiency existing for the disadvantages of easily blocking, taking up a large area existing for filtration system and multilevel soil filtration system is low etc. bad
Gesture provides a kind of high load capacity two-part rural domestic sewage treatment system, to enhance the endurance to hydraulic loading, reduces land occupation
Area extends the cycle of operation, improves treatment effeciency.
Utility model content
For the defects in the prior art, the purpose of the utility model is to provide a kind of two-part rural domestic sewage treatments
System.
According to a kind of two-part rural domestic sewage treatment system provided by the utility model, including sewage disinfection treatment system
System, leading portion system and back segment system；
The pretreatment system for sewage is anaerobism conditioning tank；
The leading portion system includes water inlet tube layer, gravel layer, soil block layer, filter layer, tube layer of catchmenting；
The back segment system includes water inlet tube layer, gravel layer, mixed filler layer, layer of plants, water outlet tube layer；
Pretreatment system for sewage is connect with leading portion system by the first connecting tube, and one end connection sewage of the first connecting tube is pre-
At the water outlet of processing system, the water inlet tube layer of the other end connection leading portion system of the first connecting tube；
Leading portion system is connect with back segment system by the second connecting tube, the collection of one end connection leading portion system of the second connecting tube
Water pipe layer, the water inlet tube layer of the other end connection back segment system of the second connecting tube；
Pretreatment system for sewage is connect with back segment system by third connecting tube, and one end connection sewage of third connecting tube is pre-
At the water outlet of processing system, the water inlet tube layer of the other end connection back segment system of third connecting tube.
Preferably, the water inlet tube layer of leading portion system includes multiple water inlet pipes；The tube layer of catchmenting of leading portion system includes multiple collection
Water pipe；Two gravel layers in multiple gravel layers of leading portion system are denoted as the first gravel layer, the second gravel layer respectively；Water inlet tube layer
It is distributed in the first gravel layer, tube layer of catchmenting is distributed in the second gravel layer；
First gravel layer is located at the top of the second gravel layer, and soil block layer and filter layer are distributed in the first gravel layer to
In the flow channel space of two gravel layers.
Preferably, in the leading portion system:
Filler depth is 0.65m；
The grain size of gravel of gravel layer be 1~3cm, the first gravel layer, the second gravel layer thickness be 5cm；
Filter layer is mainly made of the zeolite that partial size is 1~3cm, and the soil block layer is mainly by admaic earth, cinder, life
Object haydite distributes alternately in filter layer, between the level of ecology bag according to the ecology bag loaded after the mass ratio mixing of 6:3:1
Every, perpendicular separation be 5cm.
Preferably, in the back segment system:
The water inlet tube layer of leading portion system includes multiple water inlet pipes；
One gravel layer of back segment system is denoted as third gravel layer, and water inlet tube layer is distributed in third gravel layer；
Mixed filler layer is distributed in the top of third gravel layer, and layer of plants is distributed in the top of mixed filler layer, outlet pipe
Layer includes the second outlet pipe, is distributed in the side of mixed filler layer, for water outlet.
Preferably, in the back segment system:
Filler depth is 0.65m；
The grain size of gravel of gravel layer be 1~3cm, third gravel layer with a thickness of 10cm；
Mixed filler layer is mainly mixed by admaic earth, cinder, biological ceramic particle according to the mass ratio of 7:2:1.
Preferably, second outlet pipe is placed in away from the surface layer of back segment system at 10cm.
Preferably, the third connecting tube is connected with the second connecting tube, after third connecting tube is connected to the second connecting tube
It is connected by the 4th connecting tube with the water inlet tube layer of back segment system.
Preferably, the layer of plants kind is implanted with landscape or the economy plant of waterlogging type.
According to a kind of two-part treatment method for rural sewage provided by the utility model, above-mentioned two-part agriculture is utilized
Village's domestic sewage processing system handles sewage, includes the following steps:
Sewage is pre-processed by pretreatment system for sewage, obtains pretreated water；
A part of pretreated water is handled by leading portion system, obtains leading portion processing water；
Another part of pretreated water, leading portion processing water are handled by back segment system, obtain back segment processing water.
Preferably, total hydraulic loading of the pretreated water is 0.30m3/m2D, wherein the waterpower of the first connecting tube (2)
Load is 0.10-0.23m3/m2D, the hydraulic loading of third connecting tube (8) are 0.07-0.20m3/m2·d；Pretreated water into
Enter leading portion system, the method for operation of back segment system using intermittent duty mode.
Compared with prior art, the utility model has the following beneficial effects:
1, using two-part rural domestic sewage treatment system, by multilevel soil filtration system and conventional shunt soil filtration
System is used in combination so that the two has complementary functions while playing self-acting, reach be not easy to plug, occupied area is small, water
The advantage that power load-bearing power is strong and the cycle of operation is long, to improve the overall effect of sewage treatment.After being connected, each list
Member is playing self-acting simultaneously, can have complementary functions, to improve overall effect.
2, multilevel soil filtration system is constituted as leading portion system because it is distributed alternately by soil block layer and filter layer,
The pollutants such as solid suspension, organic matter, the phosphorus in sewage can be effectively cut down, are greatly enhanced subsequent by homogeneous conventional soil
The hydraulic loading ability to bear for the back segment system that filtration system is constituted, reduces the occupied area and construction cost of whole system,
Middle occupied area can effectively reduce the half of traditional land treatment system to one third.
3, conventional shunt Efficiency for Soil Aquifer Treatment be easy to cause the pollutant of blocking by leading portion as back segment system in sewage
After system removal, stronger hydraulic loading endurance is obtained, provides the feelings of sufficient carbon source for denitrification shunting sewage
It under condition, is absorbed using its plants on surface, packing medium materialization absorption and the effects of microorganism conversion, can efficiently remove water body
In nitrogen, and to other pollutants carry out deep purifying, be that the operational efficiency of whole system gets a promotion.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon:
Fig. 1 is high load capacity two-part rural domestic sewage treatment system structural schematic diagram.
It is shown in figure:
Specific embodiment
The utility model is described in detail combined with specific embodiments below.Following embodiment will be helpful to this field
Technical staff further understands the utility model, but does not limit the utility model in any form.It should be pointed out that ability
For the those of ordinary skill in domain, without departing from the concept of the premise utility, various modifications and improvements can be made.
These are all within the protection scope of the present invention.
As shown in Figure 1, the utility model provides a kind of high load capacity two-part rural domestic sewage treatment system, including sewage
Pretreatment system, leading portion system and back segment system；The pretreatment system for sewage is anaerobism conditioning tank；The leading portion system includes
Water inlet tube layer, gravel layer, soil block layer, filter layer, tube layer of catchmenting；The back segment system includes water inlet tube layer, gravel layer, mixes
Close packing layer, layer of plants, outlet pipe；Pretreatment system for sewage is connect with leading portion system by the first connecting tube 2, it is preferable that is detested
Pretreated sanitary sewage pump is promoted to leading portion system through the first connecting tube 2 in oxygen conditioning tank；One end of first connecting tube 2
At the water outlet for connecting pretreatment system for sewage, the other end connects the water inlet tube layer of leading portion system；Leading portion system and back segment system are logical
The connection of the second connecting tube 6, the tube layer of catchmenting of one end connection leading portion system of the second connecting tube 6 are crossed, the other end connects back segment system
Water inlet tube layer；Pretreatment system for sewage is connect with back segment system by third connecting tube 8, one end connection of third connecting tube 8
At the water outlet of pretreatment system for sewage, the other end connects the water inlet tube layer of back segment system.Preferably, the structure of leading portion system can adopt
With the structure of multilevel soil filtration system, the structure of back segment system can be used the structure of conventional soil filtration system, adopt in structure
It is connected with multilevel soil filtration system with conventional soil filtration system, utilizes the solid in multilevel soil filtration system removal sewage
Suspended matter, organic matter etc. easily cause the pollutant of Efficiency for Soil Aquifer Treatment physical clogging and toxicity bioassay, utilize conventional shunt soil
The superior purifying property of filtration system strengthens whole nitric efficiency, and to other in sewage after the processing of multilevel soil filtration system
Residual contaminants carry out advanced treating.
Specifically, the water inlet tube layer of the leading portion system is distributed in the top of leading portion system, water inlet tube layer be laid with it is multiple into
Water pipe, it is preferable that water inlet pipe is uniformly distributed in the top of leading portion system, and tube layer of catchmenting is distributed in the bottom of leading portion system, catchments
Tube layer is laid with multiple collector pipes, it is preferable that collector pipe is uniformly distributed in the bottom of leading portion system；Gravel layer includes the first gravel layer
3, the second gravel layer 7；Water inlet tube layer is distributed in the first gravel layer 3, and tube layer of catchmenting is distributed in the second gravel layer 7；Soil brick
Block layer and filter layer are distributed in the space that the first gravel layer 3 and the second gravel layer 7 are formed, it is preferable that soil block layer and infiltration
Filtering layer distributes alternately in the space, and gravel layer fills gravel, soil block layer filling soil brick, filter layer filling boiling
Stone.
Specifically, the filler depth of the leading portion system is 0.65m；The filler depth of the leading portion system refers to the first gravel
The thickness of rock layers 3, the thickness of soil block layer 4, the thickness of filter layer 5, the second gravel layer 7 thickness sum total, wherein gravel
Layer grain size of gravel be 1~3cm, the first gravel layer 3, the second gravel layer 7 with a thickness of 5cm；Filter layer is 1~3cm by partial size
Zeolite composition, the soil block layer mainly by admaic earth, cinder, biological ceramic particle according to 6:3:1 mass ratio mixing after fill
It inserts in ecology bag, distributes alternately in filter layer, it is preferable that admaic earth is the admaic earth that the place of production is Dali, the cinder, life
Object haydite passes through the screening of 2mm, and partial size is preferable less than the soil block layer filter effect formed after the mixing of the particle of 2mm, diafiltration
Layer and soil block layer horizontal interval, perpendicular separation 5cm.Under the reciprocation of the filter layer and soil block layer, water
The pollutants such as solid suspension, organic matter, phosphorus in body are intercepted, degrade or adsorb, so that system is not easy to plug.
Specifically, it is filled with the gravel layer of gravel in back segment system and is mainly matched by admaic earth, cinder and biological ceramic particle
The water inlet tube layer of the soil media mixed filler layer being uniformly mixed, the back segment system is distributed in the bottom of back segment system,
It is laid with multiple water inlet pipes；Gravel layer includes third gravel layer 10, and water inlet tube layer is distributed in third gravel layer 10, it is preferable that into
Water pipe is equably laid in third gravel layer 10；Mixed filler layer is distributed in the top of third gravel layer 10, layer of plants distribution
In the top of mixed filler layer, outlet pipe includes the second outlet pipe 12, is distributed in the side of mixed filler layer, for water outlet.It is excellent
Selection of land, admaic earth are the admaic earth that the place of production is Dali, and the second outlet pipe 12 is placed in away from the surface layer of back segment system at 10cm, are increased dirty
The residence time of water guarantees that anti-nitration reaction sufficiently carries out.
Specifically, the filler depth of back segment system is 0.65m；The filler depth of the back segment system refers to mixed filler layer
11 thickness, third gravel layer 10 thickness sum total, wherein gravel layer is mainly made of third gravel layer 10, grain size of gravel 1
~3cm, third gravel layer 10 with a thickness of 10cm；Mixed filler layer is mainly by admaic earth, cinder and biological ceramic particle according to 7:2:1
Mass ratio be mixed, it is preferable that admaic earth is the admaic earth that the place of production is Dali, and the cinder, biological ceramic particle are by 2mm's
Screening, partial size are preferable less than the soil block layer filter effect formed after the mixing of the particle of 2mm.
Specifically, second outlet pipe 12 is placed in away from the surface layer of back segment system at 10cm.
Specifically, the third connecting tube 8 is connected with the second connecting tube 6, and third connecting tube 8 and the second connecting tube 6 connect
It is connected by the 4th connecting tube 9 with the water inlet layer of back segment system after logical.
Specifically, the layer of plants kind is implanted with landscape or the economy plant 13 of waterlogging type.
Specifically, first connecting tube 2, the second connecting tube 6, third connecting tube 8, the 4th connecting tube 9, the second outlet pipe
12 be PVC material pipe.First connecting tube 2 is used as water inlet pipe, and sewage is drained into leading portion system.Second connecting tube 6
It is used as outlet pipe, will drain into back segment system by the processed sewage of leading portion system and further handle.Third connects
Adapter tube 8 is used as sewage water inlet pipe is shunted, and carbon source in pretreatment system for sewage is supplied to back segment system, for back segment system
Interior anti-nitration reaction, the nitric efficiency of consolidation system.4th connecting tube 9 is used as the water inlet pipe of back segment system, is being implemented
In example, in order to obtain better nitration denitrification reaction, say that the water outlet of leading portion system and the shunting obtained from anaerobism conditioning tank are dirty
Water is mixed, and is entered back segment system as water inlet pipe by the 4th connecting tube 9, is anti-under the conditions of preferable anaerobic environment
Nitrification provides carbon source, while guaranteeing the water outlet mixing supply back segment system of sewage and leading portion system, strengthens system-wide denitrogenation effect
Rate, treated, and water is discharged by the second outlet pipe 12.Preferably, the connecting tube with water inlet pipe and outlet pipe function is PVC
The perforated pipe of material, for example, the first connecting tube 2, the second connecting tube 6, the 4th connecting tube 9, the second outlet pipe 12, have and be diverted into
The third connecting tube 8 of water pipe function is PVC material pipe.
A kind of processing method of country sewage system, using a kind of two-part rural domestic sewage treatment of the utility model
System is handled, and total hydraulic loading is 0.30m3/m2D, wherein the hydraulic loading of the first connecting tube 2 is 0.10-0.23m3/
m2D, the hydraulic loading of third connecting tube 8 are 0.07-0.20m3/m2D, using intermittent duty mode, flooding time 12h is fallen
Dry 12h.Total hydraulic loading refers to that the hydraulic loading value from pretreatment system for sewage outflow water, the value of total hydraulic loading are
Pretreatment system for sewage is diverted to the hydraulic loading value of leading portion system and pretreatment system for sewage is diverted to the waterpower of back segment system
The sum total of load value.
In in specific implementation, the high load capacity two-part rural domestic sewage treatment system device of the utility model is specific
The method of operation is as follows: total hydraulic loading of pretreated water is 0.30m3/m2D, wherein the hydraulic loading of the first connecting tube (2) is
0.10-0.23m3/m2D, preferably 0.20m3/m2D, the hydraulic loading of third connecting tube (8) are 0.07-0.20m3/m2·
D, preferably 0.10m3/m2·d；Pretreated water enters leading portion system, the method for operation of back segment system uses intermittent duty mode,
Sewage is sent to leading portion system by water inlet pipe by sewage, is mixed after preliminary purification with shunting sewage and is sent into back segment system, then
Discharge.The intermittent duty refers to that the energization by intermittent duty relay, power-off are used for control in pretreatment system for sewage respectively
It conveys the starting of the pump of sewage, stop, it is preferable that time switch can be set in the intermittent duty relay, is controlled at sewage with this
The runing time of reason system.For example, for conveying the pump startup of sewage, pretreated water enters after intermittent duty relay control is powered
Leading portion system, back segment system, pretreatment system for sewage operate normally, this process is known as water inlet process；Intermittent duty relay control is disconnected
After electricity, the pump for conveying sewage is out of service, and pretreated water stops entering leading portion system, back segment system, sewage disinfection treatment system
System internal moisture falls dry, restores oxygen state, this process is known as falling dry process.Preferably, is operated by intermittent duty relay in the morning 8
Point be powered, at night 8 points power-off, i.e., the pump operation time be 8:00-20:00, Shi Changwei 12 hours (system water inlet)；When out of service
Between be 20:00- next day 8:00, duration 12h (system falls dry).
In this way, contaminant removal efficiency is high, and operational effect is stablized, and can be very good to complete nitration denitrification
Reaction, significantly improves the removal efficiency of nitrogen and phosphorus pollutants.Experiments verify that: it be COD concentration for concentration is 125-181mg/L,
Ammonia nitrogen concentration is 15-25mg/L, and total nitrogen concentration 30-40mg/L, total phosphorus concentration is the sewage of 2.5-4.5mg/L, through handling it
COD, ammonia nitrogen, total nitrogen and total phosphorus average removal rate are respectively 92%, 80%, 79% and 97% afterwards.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom", "inner", "outside" be orientation based on the figure or
Positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Specific embodiment of the utility model is described above.It is to be appreciated that the utility model not office
It is limited to above-mentioned particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims,
This has no effect on the substantive content of the utility model.In the absence of conflict, the spy in embodiments herein and embodiment
Sign can be arbitrarily combined with each other.
Claims (8)
1. a kind of two-part rural domestic sewage treatment system, which is characterized in that including pretreatment system for sewage, leading portion system with
And back segment system；
The pretreatment system for sewage is anaerobism conditioning tank (1)；
The leading portion system includes water inlet tube layer, gravel layer, soil block layer, filter layer, tube layer of catchmenting；
The back segment system includes water inlet tube layer, gravel layer, mixed filler layer, layer of plants, water outlet tube layer；
Pretreatment system for sewage is connect with leading portion system by the first connecting tube (2), and one end of the first connecting tube (2) connects sewage
At the water outlet of pretreatment system, the water inlet tube layer of the other end connection leading portion system of the first connecting tube (2)；
Leading portion system is connect with back segment system by the second connecting tube (6), one end connection leading portion system of the second connecting tube (6)
It catchments tube layer, the water inlet tube layer of the other end connection back segment system of the second connecting tube (6)；
Pretreatment system for sewage is connect with back segment system by third connecting tube (8), and one end of third connecting tube (8) connects sewage
At the water outlet of pretreatment system, the water inlet tube layer of the other end connection back segment system of third connecting tube (8).
2. two-part rural domestic sewage treatment system according to claim 1, which is characterized in that
The water inlet tube layer of leading portion system includes multiple water inlet pipes；The tube layer of catchmenting of leading portion system includes multiple collector pipes；
Two gravel layers in multiple gravel layers of leading portion system are denoted as the first gravel layer (3), the second gravel layer (7) respectively；Into
Water pipe layer is distributed in the first gravel layer (3), and tube layer of catchmenting is distributed in the second gravel layer (7)；
First gravel layer (3) is located at the top of the second gravel layer (7), and soil block layer (4) and filter layer (5) are distributed in the first gravel
In rock layers (3) to the flow channel space of the second gravel layer (7).
3. two-part rural domestic sewage treatment system according to claim 2, which is characterized in that in the leading portion system
In:
Filler depth is 0.65m；
The grain size of gravel of gravel layer be 1~3cm, the first gravel layer (3), the second gravel layer (7) thickness be 5cm；
Filter layer (5) mainly by partial size be 1~3cm zeolite form, the soil block layer (4) mainly by admaic earth, cinder,
Biological ceramic particle distributes alternately in filter layer (5) according to the ecology bag loaded after the mass ratio mixing of 6:3:1, the water of ecology bag
Flat interval, perpendicular separation are 5cm.
4. two-part rural domestic sewage treatment system according to claim 1, which is characterized in that in the back segment system
In:
The water inlet tube layer of leading portion system includes multiple water inlet pipes；
One gravel layer of back segment system is denoted as third gravel layer (10), and water inlet tube layer is distributed in third gravel layer (10)；
Mixed filler layer (11) is distributed in the top of third gravel layer (10), and layer of plants (13) is distributed in mixed filler layer (11)
Top, water outlet tube layer includes the second outlet pipe (12), is distributed in the side of mixed filler layer (11), for water outlet.
5. two-part rural domestic sewage treatment system according to claim 4, which is characterized in that in the back segment system
In:
Filler depth is 0.65m；
The grain size of gravel of gravel layer be 1~3cm, third gravel layer (10) with a thickness of 10cm；
Mixed filler layer (11) is mainly mixed by admaic earth, cinder, biological ceramic particle according to the mass ratio of 7:2:1.
6. two-part rural domestic sewage treatment system according to claim 4, which is characterized in that second outlet pipe
(12) it is placed in away from the surface layer of back segment system at 10cm.
7. two-part rural domestic sewage treatment system according to claim 1, which is characterized in that the third connecting tube
(8) it is connected with the second connecting tube (6), third connecting tube (8) passes through the 4th connecting tube (9) after being connected to the second connecting tube (6)
It is connected with the water inlet tube layer of back segment system.
8. two-part rural domestic sewage treatment system according to claim 1, which is characterized in that the layer of plants (13)
Kind is implanted with landscape or the economy plant of waterlogging type.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820908808.3U CN208762353U (en) | 2018-06-12 | 2018-06-12 | Two-part rural domestic sewage treatment system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820908808.3U CN208762353U (en) | 2018-06-12 | 2018-06-12 | Two-part rural domestic sewage treatment system |
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| CN208762353U true CN208762353U (en) | 2019-04-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108689551A (en) * | 2018-06-12 | 2018-10-23 | 上海交通大学 | Two-part rural domestic sewage treatment system and method |
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2018
- 2018-06-12 CN CN201820908808.3U patent/CN208762353U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108689551A (en) * | 2018-06-12 | 2018-10-23 | 上海交通大学 | Two-part rural domestic sewage treatment system and method |
| CN108689551B (en) * | 2018-06-12 | 2023-11-24 | 上海交通大学 | Two-section rural domestic sewage treatment system and method |
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