CN109293140A - A kind of town road sewage water treatment method and its processing system - Google Patents
A kind of town road sewage water treatment method and its processing system Download PDFInfo
- Publication number
- CN109293140A CN109293140A CN201811192683.XA CN201811192683A CN109293140A CN 109293140 A CN109293140 A CN 109293140A CN 201811192683 A CN201811192683 A CN 201811192683A CN 109293140 A CN109293140 A CN 109293140A
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- Prior art keywords
- stainless steel
- sewage
- pond
- anaerobic
- photocatalysis decomposition
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Classifications
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
- C02F1/004—Processes for the treatment of water whereby the filtration technique is of importance using large scale industrial sized filters
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- 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)
- Physical Water Treatments (AREA)
- Treatment Of Sludge (AREA)
Abstract
The present invention relates to the technical fields of sewage treatment, more particularly, to a kind of town road sewage water treatment method and its processing system.A kind of town road sewage water treatment method, include: Step 1: precipitated impurities Step 2: anaerobic digestion Step 3: UV photocatalysis Decomposition Step 4: again settling step five, filtering solid suspension first pass through anaerobic digestion before UV photocatalysis, decomposite the silt deposit come, therefore when entering UV photocatalysis Decomposition step, the visibility of road sewage is relatively high, therefore higher depth can be set and also ensure photocatalysis effect.Simultaneously because organic matter in road sewage decomposed, therefore in the discomposing effect for only needing the shorter photocatalysis Decomposition time that can reach needs.
Description
Technical field
The present invention relates to the technical fields of sewage treatment, more particularly, to a kind of town road sewage water treatment method and its place
Reason system.
Background technique
Sewage treatment is that the water quality requirement for being discharged into a certain water body in order to reach sewage or reusing purifies it
Process.Sewage on road answers the requirement of water-saving and environmental protection based on road water for cleaning and rainwater, need to road sewage into
Row recycling.
The patent of invention that application publication number is CN105967392A discloses a kind of sewage water treatment method and sewage treatment dress
It sets.By the way that sewage is put into degradation area in the sewage water treatment method, under the irradiation of UV light and the catalytic action of titanium dioxide
It degrades.
Above-mentioned prior art has the following deficiencies: when this method is used to handle large amount of sewage, because of certain dirts
Some suspended matters and deeper coloration in water are all unfavorable for the transmission of light, will affect photocatalysis effect.And by reduction
The mode of reason tank depth is then be easy to cause at the average daily sewage of processing pond of equal areas to reduce the low disadvantage of sewage translucency
Reason amount reduces.
Summary of the invention
One of purpose of the invention is to provide a kind of town road sewage water treatment method, its advantage lies in being able to efficiently
Handle sewage.
Foregoing invention purpose of the invention has the technical scheme that a kind of town road sewage treatment
Method, comprising:
Step 1: precipitated impurities
Road sewage precipitate within 2 hours by the first sedimentation basin, so that insoluble contamination precipitation in road sewage is the
The bottom of one sedimentation basin；
Step 2: anaerobic digestion
Road sewage after precipitating is passed into anaerobic pond and carries out anaerobic digestion, the anaerobic digestion time is 8 hours, utilizes anaerobism
Organic matter in sewage or sludge is decomposed and generates methane and carbon dioxide etc. by microorganism；
Step 3: UV photocatalysis Decomposition
Road sewage after anaerobic digestion is passed through in photocatalysis Decomposition pond, under the irradiation of UV light and the catalysis of titanium dioxide
Effect is lower to carry out degradation treatment, and the resolving time is 1 hour；
Step 4: precipitating again
Road sewage after degradation is passed through the second sedimentation basin and is precipitated；
Step 5: filtering solid suspension
Road sewage after degradation is passed through filtering ponds, the solid suspension being filtered to remove in sewage by filtering ponds.
By using above-mentioned technical proposal, anaerobic digestion is first passed through before UV photocatalysis, it is small 8 to decomposite the mud come
When stand in precipitate, therefore when entering UV photocatalysis Decomposition step, the visibility of road sewage is relatively high, therefore can
Photocatalysis effect is also ensured so that higher depth is arranged.Simultaneously because organic matter in road sewage decomposed, because
This is in the discomposing effect for only needing the shorter photocatalysis Decomposition time that can reach needs.
The present invention is further arranged to: added with aluminium polychloride as adsorbent in the second sedimentation basin, so that after degradation
The insoluble impurity formed is adsorbed by adsorbent precipitating.
By using above-mentioned technical proposal, adsorbent is added in the second sedimentation basin, increases its sedimentation effect.
It is a further object to provide a kind of sewage treatments suitable for above-mentioned town road sewage water treatment method
System.
Foregoing invention purpose of the invention has the technical scheme that a kind of sewage disposal system, packet
Include the primary sedimentation device set gradually, anaerobic digestion device, photocatalytic decomposition device, secondary precipitation device and filtering dress
It sets.
By using above-mentioned technical proposal, pass through the primary sedimentation device, anaerobic digestion device, photocatalysis point being once arranged
Solution device, secondary precipitation device and filter device carry out precipitated impurities respectively, anaerobic digestion, UV photocatalysis Decomposition, again sink
The step of forming sediment and filtering solid suspension.
The present invention is further arranged to: the anaerobic digestion device includes multiple anaerobic ponds, and multiple anaerobic ponds are arranged side by side
Cloth is stamped the stainless steel plate of a monolith above multiple anaerobic ponds.
By using above-mentioned technical proposal, due to the time of anaerobic digestion be inside several steps it is longest, lead to
It crosses and increases the processing speed that the quantity of anaerobic pond enables the processing speed of anaerobic digestion step to get caught up in step 1 and step 3
Degree.It is closed above anaerobic pond by cover plate lid, reduces air circulation, manufacture low-oxygen environment.
The present invention is further arranged to: the surrounding of the stainless steel plate is welded with the stainless steel side plate upwardly extended,
Welding is so that stainless steel plate and stainless steel side plate combine to form photocatalysis Decomposition pond between adjacent stainless steel side plate.
By using above-mentioned technical proposal, photocatalysis Decomposition pond is manufactured with stainless steel plate and stainless steel plate-side plate welding, is made
It obtains photocatalysis Decomposition pond not needing to occupy additional occupied area, saves land resource.
The present invention is further arranged to: stainless steel cover board, the stainless steel cover are stamped above the photocatalysis Decomposition pond
UV lamp is fixedly installed with below plate.
By using above-mentioned technical proposal, stainless steel cover board is arranged by the top in photocatalysis Decomposition pond to install UV
Lamp avoids UV lamp and sewage from directly contacting and the surface of lamp body is caused to accumulate more its illumination effect of dirty influence.Due to UV
Lamp be arranged in the space that stainless steel cover board, stainless steel plate and stainless steel side plate are combined into, therefore UV lamp issue light
It can constantly be reflected by stainless steel plate, increase its illuminating effect, so that the light that UV lamp issues is used effectively.
The present invention is further arranged to: being equipped with vertical push plate in the width direction in the photocatalysis Decomposition pond, is pushed away vertically
The side of plate upper end is threaded with screw rod, and the other side of vertical push plate upper end is installed with polished rod；The both ends of polished rod and photocatalysis point
Xie Chi is fixedly connected, and the both ends of screw rod and photocatalysis Decomposition pond are rotatablely connected, and is equipped on the outer wall in photocatalysis Decomposition pond and silk
The connected driving motor of bar；Photocatalysis Decomposition pond connects on the stainless steel side plate of length direction close to the position of stainless steel plate
There is delivery pipe, the electrically-controlled valve of control delivery pipe opening and closing is installed in delivery pipe.
By using above-mentioned technical proposal, driven during driving lead screw to rotate so that screw rod rotates by driving motor
Vertical push plate upper movement along its length.After opening electrically-controlled valve, by the movement of vertical push plate so that by photocatalysis Decomposition
Road sewage is discharged from delivery pipe.
The present invention is further arranged to: the vertical push plate and stainless steel plate, stainless steel side plate fitting side are stained with sealing
Rubber strip.
By using above-mentioned technical proposal, make three sides of vertical push plate with stainless steel plate, no by sealing rubber strip
Rust steel side plate fits closely, so that impurity connection sewage is discharged together when vertical push plate campaign, keeps photocatalysis Decomposition
Cleaning inside pond.
The present invention is further arranged to: the anaerobic pond is provided with eight, and the volume of each anaerobic pond and photocatalysis altogether
The volume of decomposing pool is equal.
By using above-mentioned technical proposal, it is eight that anaerobic pond, which is arranged, and quantity is the octuple of photocatalysis Decomposition pond, due to light
The time that pond single treatment is catalytically decomposed is 1 hour, only 1/8th of anaerobic digestion time.Therefore in the volume of anaerobic pond
When equal with photocatalysis Decomposition pond, eight anaerobic ponds can cooperate continued operation with a photocatalysis Decomposition pond.
The present invention is further arranged to: the primary sedimentation device is including the first sedimentation basin and extends to the first sedimentation basin
Interior suction hose, suction hose is connected with the first water pump far from one end of the first sedimentation basin, between the first water pump and multiple anaerobic ponds
It is connected by more outlet pipes.
By using above-mentioned technical proposal, the road sewage in the first sedimentation basin is extracted into anaerobic pond and carries out by the first water pump
Anaerobic digestion.
In conclusion advantageous effects of the invention are as follows:
1. the visibility of road sewage is relatively high after anaerobic digestion when entering UV photocatalysis Decomposition step, because
This can be set higher depth and also ensures photocatalysis effect, efficient sewerage processing；
The light that 2.UV lamp issues can constantly be reflected by stainless steel plate, increase its illuminating effect, so that the light that UV lamp issues
Line is used effectively.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment；
Fig. 2 is the structural schematic diagram of anaerobic digestion device in embodiment；
Fig. 3 is the top view of anaerobic pond in embodiment.
Appended drawing reference: 1, primary sedimentation device；2, anaerobic digestion device；3, photocatalytic decomposition device；4, secondary precipitation fills
It sets；5, filter device；6, the first sedimentation basin；7, suction hose；8, the first water pump；9, anaerobic pond；10, outlet pipe；11, stainless steel bottom
Plate；12, stainless steel side plate；13, stainless steel cover board；14, UV lamp；15, vertical push plate；16, screw rod；17, polished rod；18, driving electricity
Machine；19, the second sedimentation basin；20, filtering ponds；21, photocatalysis Decomposition pond；22, delivery pipe；23, electrically-controlled valve；24, the second water pump；
25, third water pump.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment one:
As shown, a kind of town road sewage water treatment method, comprising:
Step 1: precipitated impurities
Road sewage precipitate within 2 hours by the first sedimentation basin 6, so that insoluble contamination precipitation in road sewage is the
The bottom of one sedimentation basin 6.
Step 2: anaerobic digestion
Road sewage after precipitating is passed into anaerobic pond 9 and carries out anaerobic digestion, the anaerobic digestion time is 8 hours, using detesting
Organic matter in sewage or sludge is decomposed and generates methane and carbon dioxide etc. by oxygen animalcule.
20~180g of sludge quantity that the every processing 1kgCODCr of anaerobic biological treatment is generated, the mud of generation is in anaerobic pond
9 bottom precipitations.
Step 3: UV photocatalysis Decomposition
Road sewage after anaerobic digestion is passed through in photocatalysis Decomposition pond 21, under the irradiation of UV light and titanium dioxide is urged
Change effect is lower to carry out degradation treatment, and the resolving time is 1 hour.
Step 4: precipitating again
Road sewage after degradation is passed through the second sedimentation basin 19 and precipitates 1 hour, and aluminium polychloride is added in the second sedimentation basin 19
As adsorbent, so that the insoluble impurity formed after degradation is adsorbed by adsorbent precipitating.
Step 5: filtering solid suspension
Road sewage after degradation is passed through filtering ponds 20, the solid suspension being filtered to remove in sewage by filtering ponds 20.
Embodiment two:
As shown in Figure 1, a kind of sewage disposal system, primary sedimentation device 1, anaerobic digestion device 2, light including setting gradually are urged
Change decomposer 3, secondary precipitation device 4 and filter device 5.
As shown in Figure 1, primary sedimentation device 1 includes the first sedimentation basin 6 and extends to suction hose in the first sedimentation basin 6
7, suction hose 7 is connected with the first water pump 8 far from one end of the first sedimentation basin 6, and the road precipitated by the conveying of the first water pump 8 is dirty
Water is out of, cesspool enters anaerobic digestion device 2 anaerobic pond 9.
As depicted in figs. 1 and 2, anaerobic pond 9 is provided with eight, and eight 9 laid out in parallel of anaerobic pond, eight anaerobic ponds 9 altogether
And first be connected between water pump 8 by outlet pipe 10.The stainless steel plate 11 of a monolith is stamped in the top of eight anaerobic ponds 9, no
The surrounding of rust steel sole plate 11 is welded with the stainless steel side plate 12 upwardly extended, is welded on one between adjacent stainless steel side plate 12
It rises, photocatalysis Decomposition pond 21 is formed by stainless steel plate 11 and the combination of stainless steel side plate 12.The equal length of each anaerobic pond 9
And it is all larger than the length of stainless steel plate 11, so that 9 one end of anaerobic pond is exposed to outside stainless steel plate 11, stainless steel plate 11
Block all anaerobic ponds 9 simultaneously in the direction of the width.Road sewage transport in anaerobic pond 9 is entered photocatalysis by the second water pump 24
In decomposing pool 21.
As depicted in figs. 1 and 2, stainless steel cover board 13 is stamped in the top in photocatalysis Decomposition pond 21, under stainless steel cover board 13
Side is fixedly installed with multiple UV lamps 14, provides ultraviolet light source by UV lamp 14 and makes organic matter inside photocatalysis Decomposition pond 21
It decomposes.Vertical push plate 15 in the width direction is installed inside photocatalysis Decomposition pond 21, vertical push plate 15 and stainless steel plate 11,
Stainless steel side plate 12 is bonded side and is stained with sealing rubber strip, by rubber weather strip make vertical push plate 15 and stainless steel plate 11,
Gluing, sealing between stainless steel side plate 12.The side of vertical 15 upper end of push plate is threaded with screw rod 16, vertical 15 upper end of push plate
The other side be installed in polished rod 17(Fig. 3 show).The both ends of polished rod 17 are fixedly connected with photocatalysis Decomposition pond 21, and the two of screw rod 16
End is rotatablely connected with photocatalysis Decomposition pond 21.The driving motor being connected with screw rod 16 is installed on the outer wall in photocatalysis Decomposition pond 21
18, drive screw rod 16 to rotate by driving motor 18 so that vertical length of the push plate 15 along screw rod 16 in photocatalysis Decomposition pond 21
Side moves upwards.Photocatalysis Decomposition pond 21 connects on the stainless steel side plate 12 of length direction close to the position of stainless steel plate 11
There is delivery pipe 22, the electrically-controlled valve 23 that control delivery pipe 22 opens and closes is installed in delivery pipe 22.
As shown in Figure 1, the other end of delivery pipe 22 is connected to again in the second sedimentation basin 19 of settler 1, second
Sewage in sedimentation basin 19 is transported in the filtering ponds 20 of filter device 5 by third water pump 25 and is filtered after precipitating.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (10)
1. a kind of town road sewage water treatment method, characterized in that include:
Step 1: precipitated impurities
Road sewage precipitate within 2 hours by the first sedimentation basin (6), so that the insoluble contamination precipitation in road sewage exists
The bottom of first sedimentation basin (6)；
Step 2: anaerobic digestion
Road sewage after precipitating is passed into anaerobic pond (9) and carries out anaerobic digestion, the anaerobic digestion time is 8 hours, is utilized
Organic matter in sewage or sludge is decomposed and generates methane and carbon dioxide etc. by anaerobe；
Step 3: UV photocatalysis Decomposition
Road sewage after anaerobic digestion is passed through in photocatalysis Decomposition pond (21), under the irradiation of UV light and titanium dioxide
Degradation treatment is carried out under catalytic action, the resolving time is 1 hour；
Step 4: precipitating again
Road sewage after degradation is passed through the second sedimentation basin (19) and is precipitated；
Step 5: filtering solid suspension
Road sewage after degradation is passed through filtering ponds (20), the solid in sewage is filtered to remove by filtering ponds (20) and suspends
Object.
2. town road sewage water treatment method according to claim 1, it is characterized in that: being added in the second sedimentation basin (19)
Aluminium polychloride is as adsorbent, so that the insoluble impurity formed after degradation is adsorbed by adsorbent precipitating.
3. a kind of sewage disposal system suitable for town road sewage water treatment method described in claims 1 or 2, feature
It is: including primary sedimentation device (1), anaerobic digestion device (2), photocatalytic decomposition device (3), the secondary precipitation dress set gradually
Set (4) and filter device (5).
4. according to sewage disposal system described in right skin requirement 3, it is characterized in that: the anaerobic digestion device (2) includes multiple
Anaerobic pond (9), and multiple anaerobic ponds (9) laid out in parallel are stamped the stainless steel plate of a monolith above multiple anaerobic ponds (9)
(11)。
5. according to sewage disposal system described in right skin requirement 4, it is characterized in that: the surrounding of the stainless steel plate (11) is welded
Be connected to the stainless steel side plate (12) upwardly extended, welded between adjacent stainless steel side plate (12) so that stainless steel plate (11) and
Stainless steel side plate (12) combination forms photocatalysis Decomposition pond (21).
6. sewage disposal system according to claim 5, it is characterized in that: being stamped above the photocatalysis Decomposition pond (21)
Stainless steel cover board (13) is fixedly installed with UV lamp (14) below the stainless steel cover board (13).
7. sewage disposal system according to claim 6, it is characterized in that: being equipped in the photocatalysis Decomposition pond (21) along width
The vertical push plate (15) in direction is spent, the side of vertical push plate (15) upper end is threaded with screw rod (16), on vertical push plate (15)
The other side at end is installed with polished rod (17)；The both ends of polished rod (17) are fixedly connected with photocatalysis Decomposition pond (21), and the two of screw rod (16)
End is rotatablely connected with photocatalysis Decomposition pond (21), is equipped with the drive being connected with screw rod (16) on the outer wall of photocatalysis Decomposition pond (21)
Dynamic motor (18)；Photocatalysis Decomposition pond (21) is on the stainless steel side plate (12) of length direction close to the position of stainless steel plate (11)
It sets and is connected with delivery pipe (22), the electrically-controlled valve (23) of control delivery pipe (22) opening and closing is installed in delivery pipe (22).
8. sewage disposal system according to claim 7, it is characterized in that: the vertical push plate (15) and stainless steel plate
(11), stainless steel side plate (12) fitting side is stained with sealing rubber strip.
9. sewage disposal system according to claim 4, it is characterized in that: the anaerobic pond (9) is provided with eight altogether, and every
The volume of a anaerobic pond (9) and the volume of photocatalysis Decomposition pond (21) are equal.
10. sewage disposal system according to claim 4, it is characterized in that: the primary sedimentation device (1) includes first heavy
Shallow lake pond (6) and suction hose (7) in the first sedimentation basin (6) is extended to, the one end of suction hose (7) far from the first sedimentation basin (6)
It is connected with the first water pump (8), is connected between the first water pump (8) and multiple anaerobic ponds (9) by more outlet pipes (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811192683.XA CN109293140A (en) | 2018-10-13 | 2018-10-13 | A kind of town road sewage water treatment method and its processing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811192683.XA CN109293140A (en) | 2018-10-13 | 2018-10-13 | A kind of town road sewage water treatment method and its processing system |
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| Publication Number | Publication Date |
|---|---|
| CN109293140A true CN109293140A (en) | 2019-02-01 |
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| CN201811192683.XA Pending CN109293140A (en) | 2018-10-13 | 2018-10-13 | A kind of town road sewage water treatment method and its processing system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110127952A (en) * | 2019-06-03 | 2019-08-16 | 东莞市颐和园林建设工程有限公司 | A kind of municipal wastewater processing unit and method |
| CN112707592A (en) * | 2020-12-24 | 2021-04-27 | 徐雪玲 | Municipal sewage treatment device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110127952A (en) * | 2019-06-03 | 2019-08-16 | 东莞市颐和园林建设工程有限公司 | A kind of municipal wastewater processing unit and method |
| CN112707592A (en) * | 2020-12-24 | 2021-04-27 | 徐雪玲 | Municipal sewage treatment device and method |
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