CN109279737A - A kind of sewage disposal system - Google Patents
A kind of sewage disposal system Download PDFInfo
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- CN109279737A CN109279737A CN201710589911.6A CN201710589911A CN109279737A CN 109279737 A CN109279737 A CN 109279737A CN 201710589911 A CN201710589911 A CN 201710589911A CN 109279737 A CN109279737 A CN 109279737A
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- sewage
- disposal system
- sewage disposal
- treatment region
- water inlet
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- 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
- C02F3/00—Biological 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F2003/001—Biological treatment of water, waste water, or sewage using granular carriers or supports for the microorganisms
-
- 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
- C02F3/28—Anaerobic digestion processes
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- 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)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The present invention provides a kind of sewage disposal systems, comprising: septic tank；Filter device is precipitated, is connected to septic tank；Bidirectional flow biofiltration device, it include: treatment region and drainage area, first baffle is provided between treatment region and drainage area, treatment region is connected to precipitating filter device, the height of first baffle is lower than the Sidewall Height of bidirectional flow biofiltration device, and green nourishing salt absorption mixing material is filled in treatment region；The sewage of user's discharge is after septic tank carries out decomposition filtering, it is circulated in precipitating filter device, it precipitates filtered sewage by precipitating filter device to enter in the treatment region, the sewage after treatment region carries out absorption and biological treatment enters in drainage area from overflow at the top of first baffle.Sewage disposal system of the invention can effectively remove the pollutants such as suspended matter, nitrogen, phosphorus and organic matter in the sewage of discharge, avoid water pollution, guarantee safe drinking water；The sewage disposal system is at low cost, occupied area is small and operation and maintenance are simple.
Description
Technical field
The present invention relates to sewage treatment field, especially a kind of sewage disposal system.
Background technique
China's people in the countryside are numerous, sparsely populated, it is difficult to after sewage collecting, will be established as city sewage treatment plant into
Row centralized processing.China's overwhelming majority domestic sewage in rural areas without processing or by simple septic tank processing after direct emission,
Water environment and water head site are caused seriously to pollute.Investigation display, the half that rural pollution object has accounted for national gross contamination discharge amount are left
The right side, wherein the discharge amount of COD (COD), total nitrogen and total phosphorus accounts for 43%, the 57% of national gross contamination object discharge amount respectively
With 67%.Untreated sanitary sewage is arbitrarily discharged to be caused seriously to pollute to surface water and groundwater.Surface water is by nitrogen phosphorus
After pollution, water eutrophication can be caused, various algae especially toxic algae is generated, influence sense organ, endanger human health.Ground
It is lauched by after domestic sewage in rural areas pollution, organic matter and nitrate concentration in water increase, and underground water is the main drink in rural area
With water head site, the exceeded water of nitrate is drunk, the human health problems such as methemoglobinemia, liver damage, cancer can be caused.
Therefore be badly in need of study be suitble to country sewage water quality characteristics processing technique and method, this technology should have investment and
Operating cost is low, operation and maintenance are simple, has the features such as good treatment effect to organic matter and nitrogen phosphorus etc..
Summary of the invention
Technical problems to be solved of the embodiment of the present invention are to provide a kind of sewage disposal system, to realize to life in the countryside
Nitrogen, phosphorus, organic matter in sewage etc. discharge again after being effectively treated, and avoiding sanitary sewage from arbitrarily discharging leads to water pollution,
Guarantee safe drinking water.
In order to solve the above technical problems, sewage disposal system provided in an embodiment of the present invention, comprising:
Septic tank；
Filter device is precipitated, is connected to the septic tank；
Bidirectional flow biofiltration device, comprising: treatment region and drainage area are arranged between the treatment region and the drainage area
There is first baffle, the treatment region is connected to the precipitating filter device, and the height of the first baffle is lower than the bidirectional flow
The Sidewall Height of biofiltration device is filled with green nourishing salt absorption mixing material in the treatment region；
Wherein, the sewage of user's discharge is circulated to the precipitating filtering dress after the septic tank carries out decomposition filtering
In setting, filtered sewage is precipitated by the precipitating filter device and is entered in the treatment region, is carried out by the treatment region
Biological adsorption treated sewage enters in the drainage area from overflow at the top of first baffle.
Preferably, the treatment region includes: the area Xia Xiangliu and upward flow area, the area Xia Xiangliu and the upward flow area it
Between be provided with second baffle, and the bottom in the area Xia Xiangliu is connected with the bottom in the upward flow area；
Wherein, precipitate after filtered sewage flows into the area Xia Xiangliu by the precipitating filter device, from
The bottom in the area Xia Xiangliu enters in the upward flow area.
Preferably, at least one layer of porous masses are provided in the precipitating filter device.
Preferably, the septic tank is located on the precipitating filter device, and the precipitating filter device is located at described double
To on stream biofiltration device.
Preferably, the sewage disposal system further includes water distribution system, and the water distribution system includes: water inlet pipe, it is described into
The both ends of water pipe are connected to the treatment region and the precipitating filter device respectively, and the tube wall of the water inlet pipe is equipped with multiple
Through-hole；
Wherein, by the precipitating filter device precipitate filtered sewage pass through it is multiple logical on the water inlet pipe
Hole flows into the treatment region.
Preferably, the water inlet pipe includes:
First water inlet pipe is connected to the precipitating filter device；
More second water inlet pipes are connected to first water inlet pipe；
Wherein, first water inlet pipe and the perpendicular setting of the second water inlet pipe.
It preferably, is in predetermined angle between first water inlet pipe and the side wall of the bidirectional flow biofiltration device.
Preferably, the aperture of first water inlet pipe is greater than the aperture of second water inlet pipe.
Preferably, the equal length between adjacent two second water inlet pipes.
Preferably, the green nourishing salt absorption mixing material includes: fine sand, sawdust and tyre crumbs；And the fine sand
Mass ratio be 50%, the mass ratio of the sawdust is 30%, and the mass ratio of the tyre crumbs is 20%.
Preferably, the green nourishing salt absorption mixing material includes: fine sand, sawdust, tyre crumbs and haydite；And it is described
The mass ratio of fine sand is 50%, and the mass ratio of the sawdust is 30%, and the mass ratio of the tyre crumbs is 10%, the haydite
Mass ratio be 10%.
Preferably, the green nourishing salt adsorbs the partial size of mixing material as 0.3mm to 0.9mm, and the green nourishing
It is 30cm that salt, which adsorbs filling height of the mixing material in the treatment region,.
Preferably, fine sand is filled in the drainage area, and the drainage area is connected to described pair by cess
To the outside of stream biofiltration device.
Preferably, length of the treatment region on the bidirectional flow biofiltration device length direction is the drainage area
9 times of length.
Preferably, the precipitating filter device and bidirectional flow biofiltration device are rectangular parallelepiped structure.
Preferably, the bidirectional flow biofiltration device is made of waterproof plastics.
Compared with prior art, sewage disposal system provided in an embodiment of the present invention, at least has the advantages that
Septic tank carries out first degradation treatment to the biological sewage that user discharges, to the larger suspended matter and silt in sewage
Etc. being removed, and larger molecular organics is made to be decomposed into small organic molecule, reduces subsequent processing load；Precipitate filter device
To in sewage suspended matter and particulate matter etc. further precipitated filtering, prevent subsequent bidirectional flow biofiltration device from occurring stifled
Plug；Green nourishing salt absorption mixing material in treatment region carries out absorption and biological treatment, eliminates the nitrogen in sewage, phosphorus and has
The pollutants such as machine object avoid water pollution, and then ensure human health.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of sewage disposal system described in the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of bidirectional flow biofiltration device described in the embodiment of the present invention；
Fig. 3 is the top view of Fig. 2；
Fig. 4 is the structural schematic diagram that filter device is precipitated described in the embodiment of the present invention.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.In the following description, such as specific configuration is provided and the specific detail of component is only
In order to help comprehensive understanding the embodiment of the present invention.It therefore, it will be apparent to those skilled in the art that can be to reality described herein
Example is applied to make various changes and modifications without departing from scope and spirit of the present invention.In addition, for clarity and brevity, it is omitted pair
The description of known function and construction.
Referring to figs. 1 to Fig. 4, the embodiment of the invention provides a kind of sewage disposal systems, comprising:
Septic tank 1；
Filter device 2 is precipitated, is connected to the septic tank 1；
Bidirectional flow biofiltration device 3, comprising: treatment region 31 and drainage area 32, the treatment region 31 and the drainage area
First baffle 33 is provided between 32, the treatment region 31 is connected to the precipitating filter device 2, the height of the first baffle 33
Degree is lower than the Sidewall Height of the bidirectional flow biofiltration device 3, and it is mixed that the absorption of green nourishing salt is filled in the treatment region 31
Condensation material 34；
Wherein, the sewage of user's discharge is circulated to the precipitating filtering dress after the septic tank 1 carries out decomposition filtering
It sets in 2, precipitates filtered sewage by the precipitating filter device 2 and enter in the treatment region 31, by the treatment region
31 carry out biological adsorptions, and treated that sewage enters in the drainage area 32 from 33 top overflow of first baffle.
Specifically, the sanitary sewage of user's discharge enters in septic tank 1, handles, can remove larger by septic tank 1
Suspended matter, silt etc., and the larger molecular organics in sewage is made to be decomposed into small organic molecule, it is negative to reduce subsequent processing
Lotus.
The water outlet of septic tank 1 enters precipitating filter device 2, further removes the suspension in sewage by precipitating filtration
Object, particulate matter etc. prevent subsequent two-way biology stream filter device from blocking.
Bidirectional flow biofiltration device 3 can carry out absorption and biological treatment to the sewage that precipitating filter device 2 flows out, right
Nitrogen, phosphorus and organic matter in sewage etc. are effectively removed, and soil or water pollution are avoided, and ensure mankind's drinking water safety.
Due to the setting of first baffle 33, the sewage of the outflow of filter device 2 is precipitated after entering in treatment region 31, treatment region
Interior water level is gradually increasing, when the height of water level in treatment region 31 rises to identical as the height of first baffle 33, treatment region
Sewage in 31 can be from the outside overflow in the top of first baffle 33, and then enters in drainage area 32.Also, in the present invention, by
It is lower than the Sidewall Height of bidirectional flow biofiltration device 3 in the height of first baffle 33, so that the water in treatment region 31 can only overflow
It flow in drainage area 32, without directly from the outside overflow of side wall for the treatment of region 31.
Specifically, referring to Fig. 2 and Fig. 3, the treatment region 31 includes: the area Xia Xiangliu 311 and upward flow area 312, under described
Second baffle 313 is provided between stream area 311 and the upward flow area 312, and the bottom in the area Xia Xiangliu 311 and described
The bottom in upward flow area 312 is connected；
Wherein, it carries out precipitating filtered sewage by the precipitating filter device 2 and flows into the area Xia Xiangliu 311
Afterwards, it is entered in the upward flow area 312 from the bottom in the area Xia Xiangliu 311.
Green nourishing salt absorption mixing material 34 is filled in the area Xia Xiangliu 311 and upward flow area 312.Precipitating filtering
After the sewage that device 2 flows out enters in the area Xia Xiangliu 311, the green nourishing salt in the area Xia Xiangliu 311 adsorbs mixing material 34
Ammonia, nitrogen and organic matter etc. in sewage can be adsorbed, meanwhile, aerobic organic matter degradation occurs under the action of aerobic microbiological
And nitrification, at nitrate, the organic matter in sewage is degraded under the action of aerobic microbiological for mineralized nitrogen in sewage
Carbon dioxide is simultaneously overflowed from device outward, since nitrification needs to consume a large amount of oxygen, from the top in the area Xia Xiangliu 311 to
Its bottom, dissolved oxygen are gradually reduced to 0, make subsequent process anoxic.Then water enters upward flow area from the bottom in the area Xia Xiangliu 311
Upward flow area 312 is flowed through in a manner of upward flow, also, denitrification, nitric acid occur in upward flow area 312 in 312 sides
Salt is converted into nitrogen under the action of aerobic microbiological and is completely removed, and the sawdust in adsorbent material mentions for denitrification process
For carbon source.
Specifically, referring to Fig. 4, at least one layer of porous masses 21 are provided in the precipitating filter device 2.
Referring to Fig. 4, in embodiments of the present invention, porous masses 21 are arranged at the medium position of precipitating filter device 2.It is more
Screen mesh 21 includes 3 layers, which is divided into the first settling zone by 3 layers of porous masses 21, filtering area and second sinks
Three, shallow lake area region, the first settling zone are the region precipitated between the first side side wall and porous masses 21 of filter device 2, filtering
The region that area forms between three floor porous masses 21, the second settling zone be precipitate filter device 2 second side side wall with it is porous
Region between sieve 21, wherein the first side side wall is opposite with second side side wall.Specific in Fig. 4, the first settling zone is heavy
Region between the left side side wall and left side porous masses 21 of shallow lake filter device 2, the second settling zone are to precipitate filter device 2
Region between right sidewall and right side porous masses 21.
In precipitating filter device 2, entered in the first settling zone by the sewage that septic tank 1 carries out primary decomposition filtering
Primary deposition is carried out, then is blocked the biggish suspended matter of partial size and particulate matter etc. by 3 layers of porous masses 21, finally again by the
Two settling zones carry out secondary precipitation, so that the partial size for entering the impurity in the sewage in bidirectional flow biofiltration device 3 is smaller,
It will not block.
Specifically, the septic tank 1 is located on the precipitating filter device 2, and the precipitating filter device 2 is located at described
On bidirectional flow biofiltration device 3.
The meaning that septic tank 1 is located on precipitating filter device 2 refers to that the setting height of septic tank 1 is higher than precipitating filtering dress
2 setting height is set, precipitating filter device 2 is located at the meaning on bidirectional flow biofiltration device 3 and refers to precipitating filter device 2
Setting height be higher than bidirectional flow biofiltration device 3 setting height.The purpose of such set-up mode is, will the present invention it is real
The sewage disposal system for applying example is arranged to gravity flow system, and the sanitary sewage for discharging user is flowed through at sewage step by step by gravity
Reason system reduces operating cost.
Specifically, referring to Fig. 3, the sewage disposal system further includes water distribution system, and the water distribution system includes: water inlet pipe
4, the both ends of the water inlet pipe 4 are connected to the treatment region 31 and the precipitating filter device 2 respectively, and the water inlet pipe 4
Tube wall is equipped with multiple through-holes；
Wherein, by the precipitating filter device 2 precipitate filtered sewage pass through it is multiple on the water inlet pipe 4
Through-hole flows into the treatment region 31.
Multiple through-holes are evenly distributed on the tube wall of water inlet pipe 4, and the aperture of each through-hole is identical, enable sewage
Evenly into treatment region 31, and the region is made to keep aerobic state.
Specifically, referring to Fig. 3, the water inlet pipe 4 includes:
First water inlet pipe 41 is connected to the precipitating filter device 2；
More second water inlet pipes 42, are connected to first water inlet pipe 41；
Wherein, first water inlet pipe 41 and the perpendicular setting of second water inlet pipe 42.
It specifically, is in predetermined angle between first water inlet pipe 41 and the side wall of the bidirectional flow biofiltration device 3.
First water inlet pipe 41 is obliquely installed inside bidirectional flow biofiltration device 3, that is, the first water inlet pipe 41 and bidirectional flow
Angle between the side wall of biofiltration device 3 is between 0 degree to 90 degree (not including 0 degree and 90 degree).By being obliquely installed
Mode, enable precipitating filter device 2 inside sewage utilize gravity enter inside treatment region 31, it is other without increasing
Equipment reduces system cost；Also, the water velocity for also ensuring that sewage enters in treatment region 31 is more slow, is handling
Flowing time in area 31 is longer so that inside treatment region 31 green nourishing salt absorption mixing material 34 in sewage nitrogen,
The processing of phosphorus and organic matter is more thorough, improves removal effect.
Specifically, referring to Fig. 3, the aperture of first water inlet pipe 41 is greater than the aperture of second water inlet pipe 42.
The aperture of first water inlet pipe 41 is greater than the aperture of the second water inlet pipe 42, it is ensured that the water flow in the first water inlet pipe 41
Greater than the water flow in the second water inlet pipe 42, the usage amount of material is maximumlly reduced；Also to flow out from precipitating filter device 2
Sewage can be evenly into each position for the treatment of region 31 at.
Specifically, the equal length referring to Fig. 3, between adjacent two second water inlet pipes 42.
This kind of set-up mode can further ensure that the sewage flowed out from precipitating filter device 2 more uniformly enters
To at each position for the treatment of region 31.
Specifically, the green nourishing salt absorption mixing material 34 includes: fine sand, sawdust and tyre crumbs；And it is described thin
Husky mass ratio is 50%, and the mass ratio of the sawdust is 30%, and the mass ratio of the tyre crumbs is 20%.
Specifically, the green nourishing salt absorption mixing material 34 includes: fine sand, sawdust, tyre crumbs and haydite；And institute
The mass ratio for stating fine sand is 50%, and the mass ratio of the sawdust is 30%, and the mass ratio of the tyre crumbs is 10%, the pottery
The mass ratio of grain is 10%.
In embodiments of the present invention, by the green nourishing of the first proportion mode (fine sand, sawdust and tyre crumbs) composition
Salt adsorbs mixing material 34 and is known as nutritive salt adsorbent material A；By second proportion mode (fine sand, sawdust, tyre crumbs and pottery
Grain) composition green nourishing salt absorption mixing material 34 be known as nutritive salt adsorbent material B, nutritive salt adsorbent material A and nutritive salt
Adsorbent material B is referred to as nutritive salt absorption mixing material (green nourishing salt adsorbs mixing material).Sawdust can be in treatment region 31
Denitrification process provide electron donor, and sawdust be especially suitable for C/N than low domestic sewage in rural areas, to improve nitrate
Removal effect.Tyre crumbs improve the adsorption effect of nitrogen and phosphorus.Also, the green nourishing salt adsorbs the wheel in mixing material 34
Tire and sawdust are all the recyclings of human lives' waste, that is, reach prevention and treatment waste (sawdust and waste tire) arbitrarily disposition pollution
The effect of environment, and reduce the investment and operating cost of sewage treatment.
Also, in the embodiment of the present invention, green nourishing salt adsorbs mixing material 34 to the pollutant in sewage
When reason, the other materials for being harmful to environment will not be generated.
Specifically, the partial size of the green nourishing salt absorption mixing material 34 is 0.3mm to 0.9mm, and the green is sought
Supporting filling height of the salt absorption mixing material 34 in the treatment region 31 is 30cm.
Green nourishing salt adsorbs filling height of the mixing material 34 in treatment region 31 and is lower than bidirectional flow biofiltration dress
Set 3 Sidewall Height.
Specifically, it is filled with fine sand in the drainage area 32, and the drainage area 32 is connected to institute by cess
State the outside of bidirectional flow biofiltration device 3.
It is raw can will to adsorb mixing material 34 by the green nourishing salt in treatment region 31 for the fine sand filled in drainage area 32
The suspended matters such as the biomembrane formed after object adsorption treatment are removed, and are drained into surrounding body by cess, are penetrated into ground
Down or it is recycled.
Specifically, length of the treatment region 31 on 3 length direction of bidirectional flow biofiltration device is the row
9 times of the length in pool 32.
Specifically, the precipitating filter device 2 and bidirectional flow biofiltration device 3 are rectangular parallelepiped structure.
Specifically, the bidirectional flow biofiltration device 3 is made of waterproof plastics.
Waterproof plastics can prevent the sewage without biological adsorption processing from soaking from the side wall of bidirectional flow biofiltration device 3
Out into soil, the pollution to soil environment and/or underground water is caused.
The sewage disposal system of the embodiment of the present invention is not only contributed to nitrogen, phosphorus and the organic matter in domestic sewage in rural areas
There is good removal effect, at the same time it can also contain the rainwash of nitrogen, phosphorus and organic matter, rural area for taking out other types
Black and odorous water etc. is handled, and when for rainwash, the processing of rural area black and odorous water, can exempt septic tank.
Test result shows that sewage disposal system provided in an embodiment of the present invention can effectively remove in domestic sewage in rural areas
The pollutants such as nitrogen, phosphorus and organic matter.Table 1 to table 5 is bidirectional flow biofiltration device to the pollutant removal in sanitary sewage
Effect.
Table 1 is using nutritive salt adsorbent material A and nutritive salt adsorbent material B in the embodiment of the present invention respectively to life in the countryside
The removal effect of nitrate from waste water ammonia.
Table 2 is using nutritive salt adsorbent material A and nutritive salt adsorbent material B in the embodiment of the present invention respectively to life in the countryside
The removal effect of ammonia nitrogen in sewage.
Table 3 is using nutritive salt adsorbent material A and nutritive salt adsorbent material B in the embodiment of the present invention respectively to life in the countryside
The removal effect of total nitrogen in sewage.
Table 4 is using nutritive salt adsorbent material A and nutritive salt adsorbent material B in the embodiment of the present invention respectively to life in the countryside
The removal effect of total phosphorus in sewage.
Table 5 is using nutritive salt adsorbent material A and nutritive salt adsorbent material B in the embodiment of the present invention respectively to life in the countryside
The removal effect of COD in sewage.
The data recorded from table 1 into table 5 it can be concluded that, the green nourishing salt in the embodiment of the present invention adsorbs mixing material
There is extraordinary removal effect to nitrate ammonia, ammonia, the nitrogen etc. in sewage, prevent containing pollutants such as nitrogen, phosphorus and organic matters
Sewage without soil pollution and water pollution caused by processing direct emission, also, the sewage treatment of the embodiment of the present invention
The investment cost and operating cost of system entirety is lower.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, several improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (16)
1. a kind of sewage disposal system characterized by comprising
Septic tank (1)；
It precipitates filter device (2), is connected to the septic tank (1)；
Bidirectional flow biofiltration device (3), comprising: treatment region (31) and drainage area (32), the treatment region (31) and the row
It being provided between pool (32) first baffle (33), the treatment region (31) is connected to the precipitating filter device (2), and described
The height of one baffle (33) is lower than the Sidewall Height of the bidirectional flow biofiltration device (3), filling in the treatment region (31)
There is green nourishing salt to adsorb mixing material (34)；
Wherein, the sewage of user's discharge is circulated to the precipitating filter device after the septic tank (1) carries out decomposition filtering
(2) in, filtered sewage is precipitated by the precipitating filter device (2) and is entered in the treatment region (31), by the place
Reason area (31) carries out biological adsorption treated sewage and enters in the drainage area (32) from overflow at the top of first baffle (33).
2. sewage disposal system according to claim 1, which is characterized in that the treatment region (31) includes: the area Xia Xiangliu
(311) and upward flow area (312), second baffle is provided between the area Xia Xiangliu (311) and the upward flow area (312)
(313), and the bottom in the area Xia Xiangliu (311) is connected with the bottom of the upward flow area (312)；
Wherein, precipitate after filtered sewage flows into the area Xia Xiangliu by the precipitating filter device (2), from institute
The bottom in the area Shu Xiaxiangliu enters in the upward flow area.
3. sewage disposal system according to claim 1, which is characterized in that be provided in the precipitating filter device (2)
At least one layer of porous masses (21).
4. sewage disposal system according to claim 1, which is characterized in that the septic tank (1) is located at described precipitated
It filters on device (2), the precipitating filter device (2) is located on the bidirectional flow biofiltration device (3).
5. sewage disposal system according to claim 1, which is characterized in that the sewage disposal system further includes with water system
System, the water distribution system includes: water inlet pipe (4), the both ends of the water inlet pipe (4) respectively with the treatment region (31) and it is described sink
Shallow lake filter device (2) connection, and the tube wall of the water inlet pipe (4) is equipped with multiple through-holes；
Wherein, by precipitating filter device (2) precipitate filtered sewage pass through it is multiple on the water inlet pipe (4)
Through-hole flows into the treatment region (31).
6. sewage disposal system according to claim 5, which is characterized in that the water inlet pipe (4) includes:
First water inlet pipe (41) is connected to the precipitating filter device (2)；
More second water inlet pipes (42) are connected to first water inlet pipe (41)；
Wherein, first water inlet pipe (41) and the perpendicular setting of second water inlet pipe (42).
7. sewage disposal system according to claim 6, which is characterized in that first water inlet pipe (41) with it is described two-way
Flowing is in predetermined angle between the side wall of biofiltration device (3).
8. sewage disposal system according to claim 6, which is characterized in that the aperture of first water inlet pipe (41) is greater than
The aperture of second water inlet pipe (42).
9. sewage disposal system according to claim 6, which is characterized in that between adjacent two second water inlet pipes (42)
Equal length.
10. sewage disposal system according to claim 1, which is characterized in that the green nourishing salt adsorbs mixing material
It (34) include: fine sand, sawdust and tyre crumbs；And the mass ratio of the fine sand is 50%, the mass ratio of the sawdust is 30%,
The mass ratio of the tyre crumbs is 20%.
11. sewage disposal system according to claim 1, which is characterized in that the green nourishing salt adsorbs mixing material
It (34) include: fine sand, sawdust, tyre crumbs and haydite；And the mass ratio of the fine sand is 50%, the mass ratio of the sawdust is
30%, the mass ratio of the tyre crumbs is 10%, and the mass ratio of the haydite is 10%.
12. sewage disposal system according to claim 1, which is characterized in that the green nourishing salt adsorbs mixing material
(34) partial size is 0.3mm to 0.9mm, and green nourishing salt absorption mixing material (34) is in the treatment region (31)
Filling height is 30cm.
13. sewage disposal system according to claim 1, which is characterized in that fine sand is filled in the drainage area (32),
And the drainage area (32) is connected to the outside of the bidirectional flow biofiltration device (3) by cess.
14. sewage disposal system according to claim 1, which is characterized in that the treatment region (31) is along the bidirectional flow
Length on biofiltration device (3) length direction is 9 times of the length of the drainage area (32).
15. sewage disposal system according to claim 1, which is characterized in that the precipitating filter device (2) and bidirectional flow
Biofiltration device (3) is rectangular parallelepiped structure.
16. sewage disposal system according to claim 1, which is characterized in that the bidirectional flow biofiltration device (3) is adopted
It is made of waterproof plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710589911.6A CN109279737A (en) | 2017-07-19 | 2017-07-19 | A kind of sewage disposal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710589911.6A CN109279737A (en) | 2017-07-19 | 2017-07-19 | A kind of sewage disposal system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109279737A true CN109279737A (en) | 2019-01-29 |
Family
ID=65184867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710589911.6A Pending CN109279737A (en) | 2017-07-19 | 2017-07-19 | A kind of sewage disposal system |
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Application publication date: 20190129 |