CN112811486A - Middle-end sewage treatment method suitable for sewage pipe network inspection well - Google Patents
Middle-end sewage treatment method suitable for sewage pipe network inspection well Download PDFInfo
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- CN112811486A CN112811486A CN202110310345.7A CN202110310345A CN112811486A CN 112811486 A CN112811486 A CN 112811486A CN 202110310345 A CN202110310345 A CN 202110310345A CN 112811486 A CN112811486 A CN 112811486A
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- 239000010865 sewage Substances 0.000 title claims abstract description 119
- 238000007689 inspection Methods 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000010410 layer Substances 0.000 claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000011229 interlayer Substances 0.000 claims abstract description 21
- 238000012856 packing Methods 0.000 claims abstract description 13
- 239000004033 plastic Substances 0.000 claims abstract description 7
- 229920003023 plastic Polymers 0.000 claims abstract description 7
- 239000000945 filler Substances 0.000 claims description 16
- 239000002351 wastewater Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 229920006395 saturated elastomer Polymers 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 230000032683 aging Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 241001070941 Castanea Species 0.000 description 1
- 235000014036 Castanea Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/05—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements supported
-
- 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sewage (AREA)
Abstract
The invention relates to a middle-end sewage treatment method suitable for a sewage pipe network inspection well, which is characterized in that a sewage treatment unit is refitted into the inspection well to form an integrated inspection well with a sewage treatment function. The integrated inspection well consists of an inspection well and a sewage treatment unit; the inspection well consists of a well cover, a shaft, a water inlet, a water outlet and a base; the sewage treatment unit consists of a second layer of filter screen, a round cake interlayer, a right-angle groove, a packing layer and a first layer of filter screen. The integrated inspection well expands the functions of the inspection well, can effectively treat middle-end sewage, and improves the sewage treatment efficiency; the filter has a filtering function, can effectively remove sewage residues, and plays a role in reducing peculiar smell; the component can be installed on site, is mainly made of plastic, has the advantages of low price, light weight, corrosion resistance, ageing resistance, long service life, good sealing and seepage-proofing performance and the like, is convenient and fast to construct, can relieve pressure for terminal sewage treatment, and has wide application prospect.
Description
Technical Field
The invention discloses a middle-end sewage treatment method suitable for a sewage pipe network inspection well, and particularly belongs to the field of water treatment of municipal engineering and environmental engineering.
Background
The construction of ecological environment has important significance for improving the healthy life of people. The water environment protection is an important part of the ecological environment, so that people can drink clean and safe water and see clear water with bottoms, and the water environment protection is a basic guarantee for the nation to have happy and full life for people.
Sewage treatment is an important means for ensuring the quality of water circulating water. In a common sewage treatment project, a drainage pipeline is generally adopted to collect sewage first and then perform terminal treatment in a centralized manner. Furthermore, the laying of drainage pipes involves corresponding inspection shafts, which are provided for drainage and periodic maintenance in sewage treatment works, and are usually provided at pipe junctions, bends, changes in slope, and at regular intervals along straight pipe sections.
The terminal sewage treatment mode usually costs a lot on final treatment facilities, and the sewage is mixed to cause that the quality of water is complicated and is difficult to reach the standard and discharge. The inspection well of the drainage pipeline system is often applied singly in engineering and does not play an additional role. If can design the equipment one kind have sewage treatment function in the inspection shaft of an organic whole, will can promote sewage treatment efficiency, subduct the peculiar smell by a very big degree, can also reduce sewage treatment expense simultaneously.
Disclosure of Invention
Aiming at the current situation that an inspection well in the existing drainage pipeline system has a single application function, the invention provides the method for treating the middle-end sewage of the inspection well of the sewage pipe network, which can effectively treat the middle-end sewage, improve the treatment efficiency of a sewage treatment project and reduce the peculiar smell in the process.
The invention is realized by the following technical scheme:
a middle-end sewage treatment method suitable for a sewage pipe network inspection well is characterized in that a sewage treatment unit is refitted into the inspection well to form an integrated inspection well with a sewage treatment function; the integrated inspection well consists of an inspection well and a sewage treatment unit, wherein the inspection well consists of a well cover (1), a shaft (2), a water inlet (4), a water outlet (5) and a base (8); the sewage treatment unit consists of a second layer of filter screen (7), a round cake interlayer (9), a right-angle groove (10), a packing layer (11) and a first layer of filter screen (13);
the manhole cover (1) of the inspection well covers the shaft (2), the lower section part of the shaft (2) is symmetrically provided with a water inlet (4) and a water outlet (5), and the bottom part is provided with a base (8); the sewage treatment unit is placed in the base (8), a round cake interlayer (9) is designed at the bottom of the sewage treatment unit, eight right-angle grooves (10) are placed on the round cake interlayer (9), and a second layer of filter screen (7) and a first layer of filter screen (13) are sequentially placed on the eight right-angle grooves (10); the inner parts of the round cake interlayer (9) and the right-angle groove (10) are respectively provided with a filler layer (11); the upper end of the connecting rod (3) is connected with the central position of the well lid (1) through a thread (12), and the lower end of the connecting rod is also connected with the central position of the bottom of the sewage treatment unit through a thread; the height of the intersection of the base (8) and the water inlet (4) and the water outlet (5) is greater than that of the sewage treatment unit;
the middle-end sewage treatment process comprises the following steps:
after entering the integrated inspection well from the water inlet (4), sewage firstly passes through a first layer of filter screen (13) with the aperture of 10-80 meshes, then passes through a second layer of filter screen (7) with the aperture of 100-200 meshes, and then passes through the right-angle groove (10) and the packing layer (11) in the round cake interlayer (9); after the sewage is fully contacted with the packing layer (11), the sewage overflows out of the integrated inspection well through the water outlet (5) and then enters the next integrated inspection well for middle-end sewage treatment; after the filler in the filler layer (11) is adsorbed and saturated, the sewage treatment unit is lifted out of the inspection well through the connecting rod (3), residues on the first layer of filter screen (13) and the second layer of filter screen (7) are removed, and the fillers in the round cake interlayer (9) and the right-angle groove (10) are replaced;
the sewage is treated by the wastewater of the integrated inspection well, and the COD and NH of the effluent quality3the-N and TP are respectively reduced by 42%, 53% and 45%, the transparency can be improved by 51%, and the odor of the wastewater is obviously reduced.
The inner diameter of the shaft is larger than the width of the sewage treatment unit.
The sewage treatment unit and the connecting rod are made of rustproof material plastics or stainless steel.
The aperture of the surface grids of the first layer of filter screen and the second layer of filter screen is millimeter level.
The invention has the beneficial effects that:
1. the invention relates to a middle-end sewage treatment method suitable for a sewage pipe network inspection well. This has not only expanded the function of inspection shaft, but also can effectively handle midway sewage to promote process sewage treatment's efficiency. In addition, the integrated inspection well has a filtering function, so that the residues of the sewage can be effectively cleaned, and the effect of reducing the generation of peculiar smell is achieved;
2. the components of the integrated inspection well can be installed on site, the main material of the components is plastic, and the plastic has the advantages of low price, light weight, corrosion resistance, ageing resistance, long service life, excellent sealing and seepage-proofing performance and convenient and rapid construction;
3. in the integrated inspection well, the filler with the efficient sewage treatment function is designed, so that the treatment effect of middle-end sewage can be greatly improved, the pressure is reduced for terminal sewage treatment, and even the terminal treatment is not needed in the future, so that the integrated inspection well has wide application prospect.
Drawings
FIG. 1 is a schematic cross-sectional view of an integrated manhole according to the present invention;
FIG. 2 is a schematic sectional view of the sewage treatment unit according to the present invention;
FIG. 3 is a schematic structural view of a right-angle groove of the present invention;
FIG. 4 is a schematic view of the construction of the pie interlayer of the present invention;
FIG. 5 is a schematic view of a threaded connection in a unit connection according to the present invention;
FIG. 6 is a front view of a sewage treatment unit of the present invention;
FIG. 7 is a left side view of the sewage treatment unit of the present invention;
FIG. 8 is a top view of a sewage treatment unit of the present invention;
in the figure 1, a well cover; 2. a wellbore; 3. a connecting rod; 4. a water inlet; 5. a water outlet; 6. a nut; 7. a second layer of filter screen; 8. a base; 9. a round cake interlayer; 10. a right-angled groove; 11. a filler layer; 12. a thread; 13. and a first layer of filter screen.
Detailed Description
The middle-end sewage treatment method suitable for the sewage pipe network inspection well is applied to a sewage treatment project in a certain rural area in chestnut town in the city of Pingxi province, the total length of the sewage pipe network design in the project is 3883 meters, 483 integrated inspection wells are arranged in the middle, and a certain section of the sewage pipe network is selected for testing in the implementation case.
Example 1
The invention relates to a middle-end sewage treatment method suitable for a sewage pipe network inspection well.A sewage treatment unit is modified into the inspection well to form an integrated inspection well with a sewage treatment function; the integrated inspection well consists of an inspection well and a sewage treatment unit, wherein the inspection well consists of a well cover (1), a shaft (2), a water inlet (4), a water outlet (5) and a base (8); the sewage treatment unit consists of a second layer of filter screen (7), a round cake interlayer (9), a right-angle groove (10), a packing layer (11) and a first layer of filter screen (13).
The manhole cover (1) of the inspection well covers the shaft (2), the lower section part of the shaft (2) is symmetrically provided with a water inlet (4) and a water outlet (5), and the bottom part is provided with a base (8); the sewage treatment unit is placed in the base (8), a round cake interlayer (9) is designed at the bottom of the sewage treatment unit, eight right-angle grooves (10) are placed on the round cake interlayer (9), and a second layer of filter screen (7) and a first layer of filter screen (13) are sequentially placed on the eight right-angle grooves (10); the inner parts of the round cake interlayer (9) and the right-angle groove (10) are respectively provided with a filler layer (11); the upper end of the connecting rod (3) is connected with the central position of the well lid (1) through a thread (12), and the lower end of the connecting rod is also connected with the central position of the bottom of the sewage treatment unit through a thread; the height of the intersection of the base (8) and the water inlet (4) and the water outlet (5) is greater than that of the sewage treatment unit.
The well lid, pit shaft, base, connecting rod and the sewage treatment unit that the integration inspection shaft contains transport conveniently, can the field installation, and its main material of material is plastics, and plastics have low price, the quality is light, corrosion resistance, ageing resistance, long service life, outstanding sealed prevention of seepage performance, construction convenience is swift. The base has the function of sinking, and the sewage treatment unit has sewage treatment and filtering capability. The well lid passes through the screw-thread fit connection sewage treatment unit of connecting rod, reaches the fixed action. The inner diameter of the shaft should be larger than the outer diameter of the sewage treatment unit. The height of a connecting port of the base and the water inlet and outlet pipeline is larger than that of the sewage treatment unit, and a certain retention time is kept so that sewage can have sufficient time to contact with the filler. The aperture of first layer filter screen and second floor filter screen aperture should reach the millimeter rank, and the aperture of first layer filter screen should be greater than the aperture of second floor filter screen, and the great residue of particle diameter can effectively be intercepted to first layer filter screen, and the less residue of particle diameter can be intercepted to the second floor filter screen, effectively alleviates the individual layer filter screen like this and leads to blockking up the emergence to can effectively collect residue in the sewage, reduce the peculiar smell and produce.
Example 2
When sewage enters the integrated inspection well from the water inlet (4), the sewage firstly passes through a first layer of filter screen (13) with the aperture of 10-80 meshes, then passes through a second layer of filter screen (7) with the aperture of 100-200 meshes, and then sequentially enters the right-angle groove (10) and the packing layer (11) of the round cake interlayer (9); after the sewage is fully contacted with the packing layer (11), the sewage overflows out of the integrated inspection well through the water outlet (5) and then enters the next integrated inspection well for middle-end sewage treatment; when the first layer of filter screen (13), the second layer of filter screen (7) and the packing layer (11) run to the saturation of the adsorption of the packing, the sewage treatment unit is lifted out of the inspection well through the connecting rod (3), the residue on the filter screens is cleaned, and the packing is replaced.
Different types of fillers can be placed in the round cake interlayer (9) and the right-angle groove (10), and the fillers can be effectively contacted with sewage. Eight right angle type recesses and cake intermediate layer all are independent units respectively, and totally nine parts can place the filler, can increase the area of contact of filler and sewage, promote sewage treatment efficiency. The sewage is treated by the wastewater of the integrated inspection well, and the COD and NH of the effluent quality3the-N and TP are respectively reduced by 42%, 53% and 45%, the transparency can be improved by 51%, and the odor of the wastewater is obviously reduced. The method for treating sewage at the middle end of the inspection well of the sewage pipe network has high feasibility for treating rural sewage and has popularization and application prospects.
Claims (4)
1. A middle-end sewage treatment method suitable for a sewage pipe network inspection well is characterized by comprising the following steps: the middle-end sewage treatment method is characterized in that a sewage treatment unit is refitted into an inspection well to form an integrated inspection well with a sewage treatment function; the integrated inspection well consists of an inspection well and a sewage treatment unit, wherein the inspection well consists of a well cover (1), a shaft (2), a water inlet (4), a water outlet (5) and a base (8); the sewage treatment unit consists of a second layer of filter screen (7), a round cake interlayer (9), a right-angle groove (10), a packing layer (11) and a first layer of filter screen (13);
the manhole cover (1) of the inspection well covers the shaft (2), the lower section part of the shaft (2) is symmetrically provided with a water inlet (4) and a water outlet (5), and the bottom part is provided with a base (8); the sewage treatment unit is placed in the base (8), a round cake interlayer (9) is designed at the bottom of the sewage treatment unit, eight right-angle grooves (10) are placed on the round cake interlayer (9), and a second layer of filter screen (7) and a first layer of filter screen (13) are sequentially placed on the eight right-angle grooves (10); the inner parts of the round cake interlayer (9) and the right-angle groove (10) are respectively provided with a filler layer (11); the upper end of the connecting rod (3) is connected with the central position of the well lid (1) through a thread (12), and the lower end of the connecting rod is also connected with the central position of the bottom of the sewage treatment unit through a thread; the height of the intersection of the base (8) and the water inlet (4) and the water outlet (5) is greater than that of the sewage treatment unit;
the middle-end sewage treatment process comprises the following steps:
after entering the integrated inspection well from the water inlet (4), sewage firstly passes through a first layer of filter screen (13) with the aperture of 10-80 meshes, then passes through a second layer of filter screen (7) with the aperture of 100-200 meshes, and then passes through the right-angle groove (10) and the packing layer (11) in the round cake interlayer (9); after the sewage is fully contacted with the packing layer (11), the sewage overflows out of the integrated inspection well through the water outlet (5) and then enters the next integrated inspection well for middle-end sewage treatment; after the filler in the filler layer (11) is adsorbed and saturated, the sewage treatment unit is lifted out of the inspection well through the connecting rod (3), residues on the first layer of filter screen (13) and the second layer of filter screen (7) are removed, and the fillers in the round cake interlayer (9) and the right-angle groove (10) are replaced;
the sewage is treated by the wastewater of the integrated inspection well, and the COD and NH of the effluent quality3the-N and TP are respectively reduced by 42%, 53% and 45%, the transparency can be improved by 51%, and the odor of the wastewater is obviously reduced.
2. The method of claim 1, wherein the sewage treatment system comprises: the inner diameter of the shaft is larger than the width of the sewage treatment unit.
3. The method of claim 1, wherein the sewage treatment system comprises: the sewage treatment unit and the connecting rod are made of rustproof material plastics or stainless steel.
4. The method of claim 1, wherein the sewage treatment system comprises: the aperture of the surface grids of the first layer of filter screen and the second layer of filter screen is millimeter level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110310345.7A CN112811486A (en) | 2021-03-23 | 2021-03-23 | Middle-end sewage treatment method suitable for sewage pipe network inspection well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110310345.7A CN112811486A (en) | 2021-03-23 | 2021-03-23 | Middle-end sewage treatment method suitable for sewage pipe network inspection well |
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| Publication Number | Publication Date |
|---|---|
| CN112811486A true CN112811486A (en) | 2021-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110310345.7A Pending CN112811486A (en) | 2021-03-23 | 2021-03-23 | Middle-end sewage treatment method suitable for sewage pipe network inspection well |
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- 2021-03-23 CN CN202110310345.7A patent/CN112811486A/en active Pending
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