CN212425789U - Domestic sewage treatment device - Google Patents
Domestic sewage treatment device Download PDFInfo
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- CN212425789U CN212425789U CN202020611690.5U CN202020611690U CN212425789U CN 212425789 U CN212425789 U CN 212425789U CN 202020611690 U CN202020611690 U CN 202020611690U CN 212425789 U CN212425789 U CN 212425789U
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Abstract
The utility model provides a domestic sewage treatment device, which comprises a shell, wherein a precipitation layer, a microorganism carrier layer, a porous filter material layer and a gravel layer are arranged in the shell from bottom to top, and a clearance layer is reserved between the precipitation layer, the microorganism carrier layer, the porous filter material layer and the gravel layer and the shell; the precipitation layer is provided with water through holes communicated with the clearance layer; the porous filter material layer is provided with a water inlet distribution pipe, the gravel layer is provided with a reflux distribution pipe, and the reflux distribution pipe is communicated with the upper end of the precipitation layer through a reflux device. The utility model discloses a combination formula technology of biological purification and quick infiltration purifies sewage, and whole impact resistance is strong, stable in process, and area is little, has the view effect concurrently under the circumstances that guarantees that water quality of water up to standard.
Description
Technical Field
The utility model relates to a sewage treatment technical field, concretely relates to domestic sewage treatment unit of family.
Background
The main sources of domestic sewage of a family are washing wastewater, toilet flushing wastewater, kitchen wastewater, bathing wastewater and the like, and the domestic sewage is different from urban domestic sewage, and rural domestic sewage has the characteristics of unconcentrated distribution, large difference of sewage discharge intensity and rule in different regions, higher concentration of pollutants in sewage, larger water quality and water quantity fluctuation and the like. In the prior art, AAO sewage treatment equipment based on activated sludge, integrated treatment equipment based on biological contact oxidation filler, MBR process vacuum fiber membrane, coagulating sedimentation and super-magnetic separation and the like are generally used.
However, the integrated equipment and process in the prior art adopt a large-scale and relatively centralized sewage treatment technology, the implementation requirement on the pipe network is high, the implementation cost of the pipe network in most rural areas is about five times that of sewage treatment stations, and the later operation and maintenance management is relatively complex, so that the integrated equipment and process are not suitable for rural areas with non-centralized population distribution.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems of high cost and complex operation and maintenance caused by the adoption of a large-scale and relatively centralized sewage treatment technology in the integrated equipment and process in the prior art, and the integrated equipment and process are not suitable for rural areas with non-centralized population distribution, a small-scale sewage treatment device which can be matched with rural conditions needs to be provided, and rural domestic sewage is treated economically and effectively.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a domestic sewage treatment device comprises a shell, and is characterized in that a precipitation layer, a microorganism carrier layer, a porous filter material layer and a gravel layer are arranged in the shell from bottom to top, and an interval layer is reserved between the precipitation layer, the microorganism carrier layer, the porous filter material layer and the gravel layer and the shell;
the precipitation layer is provided with water through holes communicated with the clearance layer;
the porous filter material layer is provided with a water inlet distribution pipe, the gravel layer is provided with a reflux distribution pipe, and the reflux distribution pipe is communicated with the upper end of the precipitation layer through a reflux device.
Furthermore, the gap layer is connected with a water outlet pipe, and the height of the water outlet pipe is consistent with that of the microorganism carrier layer.
Further, the lower end of the sediment layer is connected with a sludge discharge pipe.
Preferably, the microorganism carrier layer is provided with biological filler, and the bottom of the biological filler is provided with an aeration device.
Preferably, the porous filter material layer is provided with volcanic filler with different particle sizes, the particle size of the volcanic filler is 30-100mm, and the porous filter material layer is also provided with a water inlet and distribution pipe.
Further, aquatic plants are planted in the gravel layer.
According to the technical scheme provided by the utility model, the utility model discloses a combination formula technology of biological purification and rapid infiltration filtration purifies sewage, and whole impact resistance is strong, and the technology is stable, and area is little, has the view effect under the circumstances that guarantees that water quality of water up to standard concurrently.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: 1. a precipitate layer; 11. water passing holes; 12. a sludge discharge pipe; 2. a microbial carrier layer; 21. an aeration device; 3. a porous filter material layer; 31. a water inlet and distribution pipe; 4. a gravel layer; 41. a reflux water distribution pipe; 5. a gap layer; 51. a water outlet pipe; 6. and a reflux device.
Detailed Description
A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
The domestic sewage treatment device shown in fig. 1 comprises a shell, and is characterized in that a precipitation layer 1, a microorganism carrier layer 2, a porous filter material layer 3 and a gravel layer 4 are arranged in the shell from bottom to top, and a gap layer 5 is reserved between the precipitation layer, the microorganism carrier layer, the porous filter material layer and the gravel layer and the shell; the precipitation layer is provided with water through holes 11 communicated with the clearance layer; the gravel layer is provided with a backflow water distribution pipe 41, the backflow water distribution pipe is communicated with the upper end of the sedimentation layer through a backflow device 6, the sedimentation layer is mainly used for carrying out mud-water separation, precipitating biochemical sludge and reducing suspended matters in water, the backflow device can backflow supernatant of the sedimentation layer to the gravel layer, on one hand, water circulation inside the device is promoted, the phenomenon of dead water is avoided, on the other hand, emergent aquatic plants and gravel packing of the gravel layer purify sewage, and therefore water quality is further improved.
The reflux device 6 described in the preferred embodiment adopts a gas stripping reflux mode, and the air delivered by the gas stripping air inlet pipe delivers the supernatant of the precipitation layer to the reflux water distribution pipe 41, so that no additional power consumption is required for gas stripping reflux, and the operation cost can be saved.
The lower end of the sedimentation layer 1 is connected with a sludge discharge pipe 12, when sludge in the sedimentation layer is stored to a certain amount, residual sludge can be discharged in time through the sludge discharge pipe, and the phenomena that denitrification is caused by serious oxygen deficiency to generate floating sludge and the quality of effluent water is influenced can be avoided.
The microorganism carrier layer 2 of this preferred embodiment is provided with biological filler, biological filler bottom is provided with aeration equipment, for carrier layer transport air, guarantees the sufficient dissolved oxygen of carrier layer, ensures the removal effect of microorganism to the pollutant.
The porous filter material layer 3 in the preferred embodiment adopts volcanic fillers with different particle sizes of 30-100mm, on one hand, the fillers are used for adsorbing and intercepting suspended substances in the inlet water, on the other hand, the volcanic fillers with different particle sizes form a large number of pores, so that a good carrier is provided for the attachment and growth of microorganisms, pollutants attached to the surfaces of the fillers are removed under the action of the microorganisms, and the porous filter material layer is also provided with an inlet water distribution pipe 31, so that the uniform water supplement can be realized on the sewage flowing into the device, the short-flow condition inside the device is avoided, the sufficient retention time of the sewage in the volcanic fillers is ensured, and the suspended substances in the sewage are fully removed.
The gap layer 5 of the preferred embodiment is connected with a water outlet pipe 51, the height of the water outlet pipe is consistent with that of the microorganism carrier layer 2, the microorganism carrier layer is guaranteed to be always immersed in water by utilizing the pressure principle of a U-shaped pipe, a good growing environment is provided for microorganisms, and purified water can be directly discharged from the water outlet pipe 51.
The utility model uses the gravel layer 4 and the porous filter material layer 3 to rapidly seep sewage, and then uses microorganism to degrade pollutants in the sewage, and finally obtains purified clear water through precipitation; in specific use, sewage enters the porous filter material layer 3 through the water inlet distribution pipe 31 for adsorption filtration, then is subjected to pollutant degradation in the microorganism carrier layer 2, then is precipitated in the precipitation layer 1 to obtain clear water, the supernatant of the precipitation layer is refluxed to the gravel layer 4 through the air stripping reflux device 6, and the excessive nutrient substances are absorbed by aquatic plants, and the refluxed supernatant permeates the porous filter material layer for retreatment, so that the water quality is further improved.
In the preferred embodiment, the aquatic plants are planted in the gravel layer 4, so that the surrounding environment is embellished while residual nutrient substances in water are absorbed, and the landscape effect is achieved; meanwhile, irritant gas generated by the aeration of the microorganism carrier layer can be purified through the adsorption effect of the porous filter material, so that secondary pollution to the surrounding environment is avoided.
The above-mentioned embodiments are only to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (6)
1. A domestic sewage treatment device comprises a shell, and is characterized in that a precipitation layer (1), a microorganism carrier layer (2), a porous filter material layer (3) and a gravel layer (4) are arranged in the shell from bottom to top, and a gap layer (5) is reserved between the precipitation layer, the microorganism carrier layer, the porous filter material layer, the gravel layer and the shell;
the precipitation layer is provided with water through holes (11) communicated with the clearance layer;
the gravel layer is provided with a backflow water distribution pipe (41), and the backflow water distribution pipe is communicated with the upper end of the sedimentation layer (1) through a backflow device (6).
2. The domestic sewage treatment device according to claim 1, wherein said gap layer (5) is connected with a water outlet pipe (51), the height of said water outlet pipe is identical to the height of said microorganism carrier layer (2).
3. The domestic sewage treatment apparatus according to claim 1, wherein a sludge discharge pipe (12) is connected to the lower end of said settling layer (1).
4. A domestic sewage treatment device according to claim 1, wherein said microorganism carrier layer (2) is provided with biological filler, and the bottom of said biological filler is provided with aeration means (21).
5. The domestic sewage treatment device according to claim 1, wherein said porous filter layer (3) is provided with volcanic rock filler with different particle size, said volcanic rock filler has particle size of 30-100mm, said porous filter layer is further provided with water inlet distribution pipe (31).
6. A domestic sewage treatment apparatus according to claim 1 wherein said gravel layer (4) is planted with aquatic plants.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020611690.5U CN212425789U (en) | 2020-04-20 | 2020-04-20 | Domestic sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020611690.5U CN212425789U (en) | 2020-04-20 | 2020-04-20 | Domestic sewage treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212425789U true CN212425789U (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020611690.5U Active CN212425789U (en) | 2020-04-20 | 2020-04-20 | Domestic sewage treatment device |
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| CN (1) | CN212425789U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114477645A (en) * | 2022-02-16 | 2022-05-13 | 汪祥 | Water treatment device based on biomembrane filtration |
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2020
- 2020-04-20 CN CN202020611690.5U patent/CN212425789U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114477645A (en) * | 2022-02-16 | 2022-05-13 | 汪祥 | Water treatment device based on biomembrane filtration |
| CN114477645B (en) * | 2022-02-16 | 2023-10-20 | 秦皇岛朗星生物科技有限公司 | Water treatment device based on biological membrane filtration |
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Address after: No. 3966, Qimen Road, Baohe District, Hefei, Anhui Province, 230009 Patentee after: ANHUI TONGYUAN ENVIRONMENT ENERGY SAVING Co.,Ltd. Address before: No. 856, Jinzhai South Road, Baohe District, Hefei City, Anhui Province, 230041 Patentee before: ANHUI TONGYUAN ENVIRONMENT ENERGY SAVING Co.,Ltd. |