CN210736421U - Integrated advanced treatment device for small and medium-scale domestic sewage in villages and small towns - Google Patents
Integrated advanced treatment device for small and medium-scale domestic sewage in villages and small towns Download PDFInfo
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- CN210736421U CN210736421U CN201921232678.7U CN201921232678U CN210736421U CN 210736421 U CN210736421 U CN 210736421U CN 201921232678 U CN201921232678 U CN 201921232678U CN 210736421 U CN210736421 U CN 210736421U
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Abstract
The utility model provides a villages and small-scale and medium-scale domestic sewage integrated advanced treatment device, which comprises a box body, wherein a flocculation stirring tank, a primary coagulation stirring tank, a secondary coagulation stirring tank, a sedimentation tank and a sand filter tank are arranged in the box body; the flocculation stirring tank, the primary coagulation stirring tank and the secondary coagulation stirring tank are communicated in sequence; a vertically arranged guide cylinder is arranged in the sedimentation tank, the top end of the guide cylinder is provided with a connecting pipe communicated with the secondary coagulation stirring tank, the bottom end of the guide cylinder is open, and the bottom end of the box body is provided with a sludge outlet pipe communicated with the sedimentation tank; the top end of the sand filter tank is provided with an overflow effluent weir communicated with the sedimentation tank, a filter plate which is horizontally arranged is arranged below the overflow effluent weir in the sand filter tank, a plurality of filter holes are distributed on the filter plate, a filter layer is accumulated on the filter plate, and a water outlet pipe communicated with the sand filter tank is arranged below the filter plate on the box body. The utility model can adjust the size according to the treated water quantity, and has small occupied area; the sand filter adopts non-pressure gravity flow water inlet, and one-time power transmission is omitted.
Description
Technical Field
The utility model relates to a water treatment technical field especially relates to a middle-size and small-size scale domestic sewage integration advanced treatment unit in villages and small towns.
Background
In recent years, the number of sewage treatment projects in villages and towns has increased, and the number of sewage treatment projects is often the ppp project. The village and town sewage is mainly characterized by low pollutant concentration, small water volume and site design scale of 50m 3/d-500 m 3/d. The small-scale station mostly adopts steel integrated equipment which takes A2/O process as the leading factor. However, in actual operation, the conventional integrated equipment cannot reach the stable standard, especially the TP and SS indexes. It is necessary to add advanced treatment equipment at the back end of the biochemical reaction equipment to ensure that the water quality reaches the discharge standard.
However, the traditional advanced treatment equipment is complex in structure and mostly adopts a pressure type water inlet design, so that the operation energy consumption is increased, the operation cost is increased, and the investment benefit of a ppp project investment company is greatly influenced.
SUMMERY OF THE UTILITY MODEL
Based on the technical problem that exists among the background art, the utility model provides a villages and small-size scale domestic sewage integration advanced treatment unit in villages and small towns
The utility model provides a villages and small-scale and medium-scale domestic sewage integrated advanced treatment device, which comprises a box body, wherein a flocculation stirring tank, a primary coagulation stirring tank, a secondary coagulation stirring tank, a sedimentation tank and a sand filter tank are arranged in the box body;
the flocculation stirring tank, the primary coagulation stirring tank and the secondary coagulation stirring tank are sequentially communicated, and a flocculation stirring device, a primary coagulation stirring device and a secondary coagulation stirring device are respectively arranged in the flocculation stirring tank, the primary coagulation stirring tank and the secondary coagulation stirring tank;
a vertically arranged guide cylinder is arranged in the sedimentation tank, the top end of the guide cylinder is provided with a connecting pipe communicated with the secondary coagulation stirring tank, the bottom end of the guide cylinder is open, and the bottom end of the box body is provided with a sludge outlet pipe communicated with the sedimentation tank;
the top end of the sand filter tank is provided with an overflow effluent weir communicated with the sedimentation tank, a filter plate which is horizontally arranged is arranged below the overflow effluent weir in the sand filter tank, a plurality of filter holes are distributed on the filter plate, a filter layer is accumulated on the filter plate, and a water outlet pipe communicated with the sand filter tank is arranged below the filter plate on the box body.
Preferably, the sedimentation bucket that is located the draft tube below in the sedimentation tank, the sedimentation bucket is the back taper to mud exit tube and sedimentation fill intercommunication.
Preferably, the guide shell is connected with the inner wall of the box body through a support, the bottom end of the guide shell extends into the sedimentation hopper, a flaring is arranged at the bottom of the guide shell, and a reflecting cone is connected to the bottom of the flaring.
Preferably, the box bottom is located the filter plate below position and is equipped with the backwash inlet tube and the backwash intake pipe with the sand filter intercommunication, and the box top is equipped with the backwash outlet pipe that stretches into in the sand filter with overflow play water weir intercommunication.
Preferably, the position of the sedimentation tank above the sedimentation bucket is provided with two mounting brackets, the two mounting brackets are arranged up and down, and a plurality of inclined pipes arranged around the guide cylinder are distributed between the two mounting brackets.
Preferably, the filter layer is removably mounted on the filter plate.
Preferably, the filtering layer comprises a first layer, a second layer and a third layer which are arranged up and down, the first layer is composed of filtering materials with the particle size of 0.8-1.2mm, the thickness of the first layer is 500mm, the second layer is composed of filtering materials with the particle size of 2-4mm, the thickness of the second layer is 100mm, the third layer is composed of filtering materials with the particle size of 5-10mm, and the thickness of the third layer is 100 mm. .
Preferably, the filter material is quartz sand or sea sand.
Preferably, the two sides inside and outside the box body are subjected to epoxy coal tar pitch anticorrosion treatment.
The utility model provides a small and medium-sized domestic sewage integrated advanced treatment device in villages and small towns, which can adjust the size according to the size of the treated water, and has flexible and convenient manufacture and installation and small occupied area; the equipment can have longer service life according to the selection of materials and the anticorrosion process of the equipment, and the main structure can reach more than 15-20 years; the equipment system comprises three treatment units of flocculation stirring, coagulating sedimentation and sand filtration, and the process treatment units are complete and efficient; the sand filtration unit adopts gravity flow non-pressure type filtration, so that the energy consumption is low, and the operation cost is saved; the stirring device, the dosing device and the air backwashing system in the utility model can determine whether to be opened or not according to the water quality condition in actual operation, thereby being used as a standby device to further reduce energy consumption; the utility model discloses compare with conventional pressure type filter vessel, the utility model discloses what the sand filter adopted is that non-pressure formula gravity flow intakes, has lacked a power and has carried, has greatly reduced the energy consumption, reduces the running cost, can ensure that quality of water goes out water up to standard, has very realistic meaning to the operation effect and the income of operation unit.
Drawings
FIG. 1 is a schematic structural view of an integrated advanced treatment unit for domestic sewage of small and medium-sized villages and small towns, which is provided by the utility model;
FIG. 2 is a schematic view of the structure of FIG. 1 along the direction A;
FIG. 3 is a schematic view of the structure of FIG. 1 along the direction B-B;
FIG. 4 is a schematic view of the structure of FIG. 1 along the direction C-C;
FIG. 5 is a schematic view of the structure of FIG. 1 in the direction D-D;
fig. 6 is a working flow chart of the integrated advanced treatment device for domestic sewage of small and medium-scale in villages and small towns, which is provided by the utility model.
Detailed Description
Referring to fig. 1-5, the utility model provides a villages and small-scale and medium-scale domestic sewage integrated advanced treatment unit, which comprises a box body 1, wherein a flocculation stirring tank 2, a primary coagulation stirring tank 3, a secondary coagulation stirring tank 4, a sedimentation tank 5 and a sand filter 6 are arranged in the box body 1;
The sedimentation tank 5 is internally provided with a vertically arranged guide shell 11 and a sedimentation hopper 18 positioned below the guide shell 11. The guide shell 11 is connected with the inner wall of the box body 1 through a support, a connecting pipe communicated with the secondary coagulation stirring pool 4 is arranged at the top end of the guide shell 11, the bottom end of the guide shell 11 extends into the sedimentation hopper 18, a flaring is arranged at the bottom of the guide shell, and a reflecting cone 19 is connected to the bottom of the flaring. The sedimentation hopper 18 is in an inverted cone shape, and the bottom end of the box body 1 is provided with a sludge outlet pipe 12 communicated with the sedimentation hopper 18.
An overflow water outlet weir 13 communicated with the sedimentation tank 5 is arranged at the top end of the sand filter 6, a filter plate 14 which is horizontally arranged is arranged in the sand filter 6 below the overflow water outlet weir 13, a plurality of filter holes 15 are distributed on the filter plate 14, a filter layer 16 is accumulated on the filter plate 14, and a water outlet pipe 17 communicated with the sand filter 6 is arranged on the box body 1 below the filter plate 14.
In this embodiment, a backwash water inlet pipe 20 and a backwash air inlet pipe 21 which are communicated with the sand filter 6 are arranged at the bottom end of the box body 1 below the filter plate 14, and a backwash water outlet pipe 22 which extends into the sand filter 6 and is communicated with the overflow water outlet weir 13 is arranged at the top end of the box body 1.
In this embodiment, the position that is located in the sedimentation tank 5 and deposits 18 tops is equipped with two mounting brackets, and two mounting brackets are arranged from top to bottom and distribute between two mounting brackets and have a plurality of pipe chute 23 of arranging around draft tube 11 for deposit the suspended solid.
In this embodiment, the filter layer 16 is detachably mounted on the filter plate 14, the filter layer 16 includes a first layer, a second layer, and a third layer, which are disposed up and down, the first layer is composed of filter materials with a particle size of 0.8-1.2mm, the first layer has a thickness of 500mm, the second layer is composed of filter materials with a particle size of 2-4mm, the second layer has a thickness of 100mm, the third layer is composed of filter materials with a particle size of 5-10mm, the third layer has a thickness of 100mm, and the filter materials are quartz sand or sea sand.
In this embodiment, the inside and outside of the case 1 are both subjected to epoxy coal pitch anticorrosive treatment. According to the material and the anti-corrosion process selected by the equipment, the equipment can have a longer service life, and the main structure can be more than 15-20 years.
Referring to fig. 6, when the utility model works, the effluent of the secondary sedimentation tank of the sewage biochemical treatment unit enters the device through pumping or flowing automatically, firstly flows through the flocculation stirring tank 2, and is added with flocculation reagent for full mixing; then flows through a primary coagulation stirring tank 3 and a secondary coagulation stirring tank 4, and a coagulation medicament is added to form flocs; then the clear water enters a sedimentation tank 5 for mud-water separation, and the clear water flows to a sand filter 6 through an overflow effluent weir 13; and the water quality is improved through the filtering action of the graded quartz sand or sea sand filtering layer, the water collecting device is buried at the lower end of the filtering layer 16, and the filtered sewage flows out of the equipment box body after being collected by the water collecting device and is discharged after being subjected to ultraviolet disinfection.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (9)
1. An integrated advanced treatment device for small and medium-scale domestic sewage in villages and small towns is characterized by comprising a box body (1), wherein a flocculation stirring tank (2), a primary coagulation stirring tank (3), a secondary coagulation stirring tank (4), a sedimentation tank (5) and a sand filter tank (6) are arranged in the box body (1);
the flocculation stirring tank (2), the primary coagulation stirring tank (3) and the secondary coagulation stirring tank (4) are sequentially communicated, a flocculation stirring device (7), a primary coagulation stirring device (8) and a secondary coagulation stirring device (9) are respectively arranged in the flocculation stirring tank (2), the primary coagulation stirring tank (3) and the secondary coagulation stirring tank (4), and a water inlet pipe (10) communicated with the flocculation stirring tank (2) is arranged at the top end of the side wall of the box body (1);
a guide cylinder (11) is vertically arranged in the sedimentation tank (5), a connecting pipe communicated with the secondary coagulation stirring tank (4) is arranged at the top end of the guide cylinder (11), the bottom end of the guide cylinder is open, and a sludge outlet pipe (12) communicated with the sedimentation tank (5) is arranged at the bottom end of the box body (1);
the top end of the sand filter (6) is provided with an overflow water outlet weir (13) communicated with the sedimentation tank (5), a filter plate (14) which is horizontally arranged is arranged in the sand filter (6) below the overflow water outlet weir (13), a plurality of filter holes (15) are distributed on the filter plate (14), a filter layer (16) is stacked on the filter plate (14), and a water outlet pipe (17) communicated with the sand filter (6) is arranged in the box body (1) below the filter plate (14).
2. The integrated advanced treatment unit for small and medium-scale domestic sewage in villages and small towns as claimed in claim 1, wherein a sedimentation hopper (18) is positioned below the guide shell (11) in the sedimentation tank (5), the sedimentation hopper (18) is in an inverted cone shape, and the sludge outlet pipe (12) is communicated with the sedimentation hopper (18).
3. The integrated advanced treatment unit for small and medium-scale domestic sewage in villages and small towns as claimed in claim 2, wherein the guide shell (11) is connected with the inner wall of the box body (1) through a bracket, the bottom end of the guide shell (11) extends into the sedimentation hopper (18) and is provided with a flaring at the bottom, and the bottom of the flaring is connected with a reflecting cone (19).
4. The integrated advanced treatment unit for small and medium-scale domestic sewage in villages and small towns according to any one of claims 1-3, wherein a backwashing water inlet pipe (20) and a backwashing air inlet pipe (21) which are communicated with the sand filter (6) are arranged at the bottom end of the tank body (1) below the filter plate (14), and a backwashing water outlet pipe (22) which extends into the sand filter (6) and is communicated with the overflow water outlet weir (13) is arranged at the top end of the tank body (1).
5. The integrated advanced treatment unit for small and medium-scale domestic sewage in villages and small towns according to any one of claims 1-3, wherein two mounting frames are arranged above the sedimentation bucket (18) in the sedimentation tank (5), the two mounting frames are arranged up and down, and a plurality of inclined pipes (23) arranged around the guide shell (11) are distributed between the two mounting frames.
6. The integrated advanced treatment unit for small and medium-scale domestic sewage in villages and small towns according to any one of claims 1-3, wherein the filter layer (16) is detachably mounted on the filter plate (14).
7. The integrated advanced treatment unit for small and medium-sized domestic sewage in villages and small towns according to any one of claims 1-3, wherein the filter layer (16) comprises a first layer, a second layer and a third layer which are arranged up and down, the first layer is composed of filter materials with the particle size of 0.8-1.2mm and the thickness of the first layer is 500mm, the second layer is composed of filter materials with the particle size of 2-4mm and the thickness of the second layer is 100mm, the third layer is composed of filter materials with the particle size of 5-10mm and the thickness of the third layer is 100 mm.
8. The integrated advanced treatment unit for small and medium-scale domestic sewage in villages and small towns as claimed in claim 7, wherein the filter material is quartz sand or sea sand.
9. The integrated advanced treatment unit for small and medium-scale domestic sewage in villages and small towns according to any one of claims 1-3, wherein the inside and outside of the box body (1) are subjected to epoxy coal tar pitch anticorrosion treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921232678.7U CN210736421U (en) | 2019-07-31 | 2019-07-31 | Integrated advanced treatment device for small and medium-scale domestic sewage in villages and small towns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921232678.7U CN210736421U (en) | 2019-07-31 | 2019-07-31 | Integrated advanced treatment device for small and medium-scale domestic sewage in villages and small towns |
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| Publication Number | Publication Date |
|---|---|
| CN210736421U true CN210736421U (en) | 2020-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921232678.7U Active CN210736421U (en) | 2019-07-31 | 2019-07-31 | Integrated advanced treatment device for small and medium-scale domestic sewage in villages and small towns |
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| CN (1) | CN210736421U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110436683A (en) * | 2019-07-31 | 2019-11-12 | 安徽环境科技集团股份有限公司 | A kind of middle-size and small-size scale sanitary sewage integration advanced treatment apparatus in villages and small towns |
-
2019
- 2019-07-31 CN CN201921232678.7U patent/CN210736421U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110436683A (en) * | 2019-07-31 | 2019-11-12 | 安徽环境科技集团股份有限公司 | A kind of middle-size and small-size scale sanitary sewage integration advanced treatment apparatus in villages and small towns |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Anhui Xingtai Financial Leasing Co.,Ltd. Assignor: Anhui Environmental Technology Group Co.,Ltd. Contract record no.: X2021340000018 Denomination of utility model: A small and medium scale integrated advanced treatment device for domestic sewage in villages and towns Granted publication date: 20200612 License type: Exclusive License Record date: 20210625 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A small and medium scale integrated advanced treatment device for domestic sewage in villages and towns Effective date of registration: 20210628 Granted publication date: 20200612 Pledgee: Anhui Xingtai Financial Leasing Co.,Ltd. Pledgor: Anhui Environmental Technology Group Co.,Ltd. Registration number: Y2021980005492 |