CN215161919U - Municipal administration sewage multi-stage treatment system - Google Patents
Municipal administration sewage multi-stage treatment system Download PDFInfo
- Publication number
- CN215161919U CN215161919U CN202120473712.0U CN202120473712U CN215161919U CN 215161919 U CN215161919 U CN 215161919U CN 202120473712 U CN202120473712 U CN 202120473712U CN 215161919 U CN215161919 U CN 215161919U
- Authority
- CN
- China
- Prior art keywords
- tank
- treatment system
- sedimentation tank
- water outlet
- reverse osmosis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 71
- 238000004062 sedimentation Methods 0.000 claims abstract description 36
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000010802 sludge Substances 0.000 claims abstract description 24
- 238000005273 aeration Methods 0.000 claims abstract description 18
- 238000001179 sorption measurement Methods 0.000 claims abstract description 18
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 17
- 239000004155 Chlorine dioxide Substances 0.000 claims abstract description 14
- 235000019398 chlorine dioxide Nutrition 0.000 claims abstract description 14
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 11
- 239000000126 substance Substances 0.000 claims abstract description 11
- 238000005352 clarification Methods 0.000 claims abstract description 10
- 239000012528 membrane Substances 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 8
- 239000012530 fluid Substances 0.000 abstract description 4
- 239000003651 drinking water Substances 0.000 abstract description 2
- 235000020188 drinking water Nutrition 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 10
- 239000012535 impurity Substances 0.000 description 4
- 210000005056 cell body Anatomy 0.000 description 3
- 239000000645 desinfectant Substances 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000035622 drinking Effects 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Abstract
The utility model discloses a municipal administration sewage multi-stage treatment system, including the preliminary sedimentation tank, biological treatment system, chemical treatment system, adsorption equipment and the reverse osmosis system that connect gradually, biological treatment system includes aeration tank, sedimentation tank, backward flow mud system and excess sludge treatment system, and aeration tank one end is connected with preliminary sedimentation tank, and the other end and sedimentation tank are connected, and backward flow mud system and excess sludge treatment system are connected to the sedimentation tank bottom of the pool, and backward flow mud system and aeration tank are connected, chemical treatment system includes chlorine dioxide disinfection fluid reservoir and the clarification tank of connecting chlorine dioxide disinfection fluid reservoir, is equipped with the flowmeter between chlorine dioxide disinfection fluid reservoir and the clarification tank, adsorption equipment includes the adsorption tank, reverse osmosis system includes reverse osmosis membrane. The utility model discloses a multiple multi-stage treatment makes sewage reach the biggest purifying effect, and the treatment effect is good, and the back water of handling can directly insert city pipe network and use as the drinking water.
Description
Technical Field
The utility model relates to a water treatment field specifically is a municipal administration sewage multi-stage treatment system.
Background
China is a water-deficient country, and sewage treatment and recycling are effective measures for developing and utilizing water resources. The sewage reuse is to treat urban sewage and industrial sewage by sewage treatment equipment and the like, and then to use the treated sewage for non-drinking purposes such as greening, flushing, and supplying ornamental water, and to use clean water for high water quality requirements such as drinking. Urban sewage and industrial sewage are available nearby, long-distance water delivery can be omitted, nearby treatment is realized, water resources are fully utilized, meanwhile, sewage is treated nearby, sewage leakage caused in the long-distance delivery process can be prevented, underground water sources are polluted, sewage recycling is widely adopted in many water-deficient areas in the world, and the sewage recycling technology is considered to be the most practical technology for sewage treatment in the 21 st century.
However, the existing municipal sewage treatment device has poor treatment effect on impurities in sewage, poor sewage color purification, large sewage peculiar smell and poor sterilization and disinfection effects, and therefore a municipal sewage multistage treatment system is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a municipal sewage multi-stage treatment system to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a municipal sewage multi-stage treatment system comprises a primary sedimentation tank, a biological treatment system, a chemical treatment system, an adsorption device and a reverse osmosis system which are sequentially connected, wherein the primary sedimentation tank comprises a tank body, one side of the tank body is provided with a water inlet, the other side of the tank body is respectively provided with a first water outlet, a second water outlet and a third water outlet, the biological treatment system comprises an aeration tank, a sedimentation tank, a return sludge system and a residual sludge treatment system, one end of the aeration tank is connected with the primary sedimentation tank, the other end of the aeration tank is connected with the sedimentation tank, the bottom of the sedimentation tank is connected with the return sludge system and the residual sludge treatment system, the return sludge system is connected with the aeration tank, the chemical treatment system comprises a chlorine dioxide disinfection liquid tank and a clarification tank connected with the chlorine dioxide disinfection liquid tank, a flow meter is arranged between the chlorine dioxide disinfection liquid tank and the clarification tank, the sedimentation tank is connected with the clarification tank, the adsorption device comprises an adsorption tank, the reverse osmosis system includes a reverse osmosis membrane.
Preferably, the water inlet of the primary sedimentation tank is 10cm away from the top of the tank, the water inlet is connected with a water inlet pipe, the water inlet pipe extends to be close to the bottom of the tank, a valve is arranged on the water inlet pipe, and the first water outlet, the second water outlet and the third water outlet are all connected with valves.
Preferably, the height of the first water outlet is lower than that of the water inlet by 10cm, the height of the second water outlet is half of that of the tank body, and the third water outlet is positioned at the bottom of the tank body.
Further preferably, a stirrer is arranged in the aeration tank.
Further preferably, baffles are arranged on the upper portion and the lower portion of the adsorption tank, and resin is arranged between the baffles.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses the structure sets up rationally, and is functional strong, has following advantage:
1. through various multi-stage treatment means such as physics, biology, chemistry and the like, the sewage treatment effect is good, and the aim of cleaning water is achieved;
2. through the water outlets with three height differences, impurities can be effectively removed, activated sludge can flow back, and the utilization rate of the system is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the primary sedimentation tank of the present invention.
Illustration of the drawings: 1 is the primary sedimentation tank, 11 is the cell body, 12 is the water inlet, 13 is first delivery port, 14 is the second delivery port, 15 is the third delivery port, 16 is the valve, 2 is biological treatment system, 21 is the aeration tank, 22 is the sedimentation tank, 23 is the backward flow mud system, 24 is excess sludge processing system, 3 is chemical treatment system, 31 is chlorine dioxide disinfection fluid reservoir, 32 is the flowmeter, 33 is the clarifier, 4 is adsorption equipment, 41 is the adsorption tank, 42 is the baffle, 43 is the resin, 5 is reverse osmosis system, 51 is reverse osmosis membrane.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The utility model provides a municipal administration sewage multi-stage treatment system, is including the preliminary sedimentation tank 1, biological treatment system 2, chemical treatment system 3, adsorption equipment 4 and the reverse osmosis system 5 that connect gradually, preliminary sedimentation tank 1 includes cell body 11, and one side of cell body 11 is equipped with water inlet 12, and the opposite side is equipped with first delivery port 13, second delivery port 14 and third delivery port 15 respectively, 2 systems of biological treatment include aeration tank 21, sedimentation tank 22, return sludge system 23 and surplus sludge treatment system 24, and 21 one end of aeration tank are connected with preliminary sedimentation tank 1, and the other end is connected with sedimentation tank 22, and return sludge system 23 and surplus sludge treatment system 24 are connected to sedimentation tank 22 bottom of the pool, and return sludge system 23 and aeration tank 21 are connected. The chemical treatment system 3 comprises a chlorine dioxide disinfectant tank 31 and a clarification tank 33 connected with the chlorine dioxide disinfectant tank, and a flow meter 32 is arranged between the chlorine dioxide disinfectant tank 31 and the clarification tank 33. The settling tank 22 is connected with a clarification tank 33. The adsorption device 4 comprises an adsorption tank 41, wherein baffles 42 are arranged at the upper part and the lower part in the adsorption tank 41, and resin 43 is filled between the baffles. The reverse osmosis system 5 includes a reverse osmosis membrane 51.
The sewage of the utility model is sequentially treated by physical treatment method, biological treatment method, chemical treatment method, adsorption device and reverse osmosis treatment, the physical treatment method is natural sedimentation (primary sedimentation tank), the biological treatment method is activated sludge process, the chemical treatment method is chlorine dioxide oxidation process, the reverse osmosis treatment method is reverse osmosis membrane. The structure of the sedimentation tank is similar to that of the primary sedimentation tank, and the excess sludge treatment system is heated and shrunk.
The water inlet 12 of the primary sedimentation tank 1 is 10cm away from the top of the tank, the water inlet 12 is connected with a water inlet pipe, the water inlet pipe stretches into the tank bottom, the water inlet pipe stretches into about 4/5 in the tank, a valve is arranged on the water inlet pipe, and the first water outlet 13, the second water outlet 14 and the third water outlet 15 are all connected with a valve 16. The third water outlet 15 is intended to discharge the sediment. The height of the first water outlet 13 is 10cm lower than that of the water inlet, the height of the second water outlet 14 is half of the height of the tank body, and the third water outlet 15 is positioned at the bottom of the tank body. When enough sediments or activated sludge accumulated at the bottom of the primary sedimentation tank 1 stop water inflow and the first water outlet 13 cannot discharge water, the second water outlet 14 is opened until the second water outlet 14 cannot discharge water, and the third water outlet 15 is opened to thoroughly remove bottom impurities or return activated sludge.
A stirrer is arranged in the aeration tank 21.
The utility model discloses the structure sets up rationally, and is functional strong, has following advantage:
1. through various multi-stage treatment means such as physics, biology, chemistry and the like, the sewage treatment effect is good, and the aim of cleaning water is achieved;
2. through the water outlets with three height differences, impurities can be effectively removed, activated sludge can flow back, and the utilization rate of the system is improved.
Through many times of multi-stage treatment, make sewage reach the biggest purifying effect, the treatment effect is good, and the water can directly insert city pipe network and use as the drinking water after the processing.
The foregoing merely illustrates preferred embodiments of the present invention, which are described in considerable detail and detail, but are not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes, modifications and substitutions can be made, which are all within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (5)
1. A municipal sewage multi-stage treatment system is characterized by comprising a primary sedimentation tank, a biological treatment system, a chemical treatment system, an adsorption device and a reverse osmosis system which are sequentially connected, wherein the primary sedimentation tank comprises a tank body, one side of the tank body is provided with a water inlet, the other side of the tank body is respectively provided with a first water outlet, a second water outlet and a third water outlet, the biological treatment system comprises an aeration tank, a sedimentation tank, a return sludge system and a residual sludge treatment system, one end of the aeration tank is connected with the primary sedimentation tank, the other end of the aeration tank is connected with the sedimentation tank, the bottom of the sedimentation tank is connected with the return sludge system and the residual sludge treatment system, the return sludge system is connected with the aeration tank, the chemical treatment system comprises a chlorine dioxide disinfection liquid tank and a clarification tank connected with the chlorine dioxide disinfection liquid tank, a flow meter is arranged between the chlorine dioxide disinfection liquid tank and the clarification tank, and the sedimentation tank are connected, the adsorption device comprises an adsorption tank, and the reverse osmosis system comprises a reverse osmosis membrane.
2. The municipal sewage multi-stage treatment system according to claim 1, wherein the water inlet of the primary sedimentation tank is 10cm from the top of the tank, the water inlet is connected with a water inlet pipe, the water inlet pipe extends to be close to the bottom of the tank, the water inlet pipe is provided with a valve, and the first water outlet, the second water outlet and the third water outlet are all connected with valves.
3. The municipal sewage multi-stage treatment system according to claim 2, wherein the first water outlet is 10cm lower than the water inlet, the second water outlet is half the height of the tank body, and the third water outlet is located at the bottom of the tank body.
4. The municipal sewage multi-stage treatment system according to claim 1, wherein a stirrer is provided in the aeration tank.
5. The municipal sewage multi-stage treatment system according to claim 1, wherein baffles are provided at both the upper and lower portions of the adsorption tank, and resin is provided between the baffles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120473712.0U CN215161919U (en) | 2021-03-04 | 2021-03-04 | Municipal administration sewage multi-stage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120473712.0U CN215161919U (en) | 2021-03-04 | 2021-03-04 | Municipal administration sewage multi-stage treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215161919U true CN215161919U (en) | 2021-12-14 |
Family
ID=79414054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120473712.0U Expired - Fee Related CN215161919U (en) | 2021-03-04 | 2021-03-04 | Municipal administration sewage multi-stage treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215161919U (en) |
-
2021
- 2021-03-04 CN CN202120473712.0U patent/CN215161919U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |