CN211972081U - Sewage treatment device combining sequential batch activated sludge process and biological filter - Google Patents
Sewage treatment device combining sequential batch activated sludge process and biological filter Download PDFInfo
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- CN211972081U CN211972081U CN202020338112.9U CN202020338112U CN211972081U CN 211972081 U CN211972081 U CN 211972081U CN 202020338112 U CN202020338112 U CN 202020338112U CN 211972081 U CN211972081 U CN 211972081U
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Abstract
A sewage treatment device combining an activated sludge process and a biological filter in a sequential batch manner comprises an activated sludge pool and a biological aerated filter, wherein the activated sludge pool and the biological aerated filter are separated by a partition plate, a first aeration device is arranged at the bottom of the activated sludge pool, the activated sludge pool and the biological aerated filter are communicated through a guide pipe, one end of the guide pipe is connected to a lift pump, the lift pump is positioned above the middle part of the activated sludge pool, the guide pipe extends to the bottom of the biological aerated filter, the other end part of the guide pipe is connected with a water distribution pipe, and the water distribution pipe is uniformly distributed at the bottom of the biological aerated filter; the rural domestic sewage treatment system is used for modifying rural domestic sewage treatment terminals, has the characteristics of low cost, low energy consumption and the like, has the characteristics of attractive appearance, small occupied area, high strength and rigidity, convenience in transportation and hoisting and convenience in installation, and utilizes the characteristic of non-uniform rural domestic sewage discharge time.
Description
Technical Field
The utility model belongs to the technical field of water treatment facilities, concretely relates to sewage treatment plant of preface batch activated sludge process and biological filter combination.
Background
Along with the improvement of rural construction and living standard, the rural sewage discharge amount is increasing day by day. At present, the discharge amount of domestic sewage in rural areas of China is continuously increased, and random discharge causes damage to the environment on one hand and waste of water resources on the other hand. The pollution load of sewage in new rural areas is high, the income level of farmers is lower relative to that of cities and towns, so that the pollution treatment measures in the new rural areas are difficult to promote at present, even the phenomenon that the waste water is directly discharged without being treated is very common, and great pollution and harm are caused to the society.
Meanwhile, the conventional sewage treatment mode of the city is not suitable for the countryside due to the dispersion of the population of the countryside and the large sewage discharge area source, and the centralized treatment and the unified municipal treatment of the countryside have certain difficulty in large-scale popularization because of higher manufacturing cost and maintenance cost and lack of certain supervision.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a sewage treatment plant's of preface batch activated sludge process and biological filter combination technical scheme to the not enough of prior art existence for reform transform rural domestic sewage treatment terminal, have characteristics such as with low costs energy consumption low, it is pleasing to the eye to have the appearance, area is little, intensity rigidity is big, transportation hoist and mount are convenient, simple to operate's characteristics, utilize the inhomogeneous characteristic of rural domestic sewage discharge time, this device is operation daytime, the evacuation in evening, like the morning and evening, can strengthen the purifying effect to the pollutant.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a sewage treatment device combining a sequential activated sludge process and a biological filter is characterized in that: the activated sludge pond and the biological aerated filter are separated by a partition plate, a first aeration device is arranged at the bottom of the activated sludge pond, a water inlet is formed in the upper portion of the side wall of the activated sludge pond, the activated sludge pond and the biological aerated filter are communicated through a guide pipe, one end of the guide pipe is connected to a lifting pump, the lifting pump is located above the middle of the activated sludge pond, the guide pipe extends to the bottom of the biological aerated filter, the other end of the guide pipe is connected with a water distribution pipe, the water distribution pipe is uniformly distributed at the bottom of the biological aerated filter, a water outlet is formed in the side wall of the top of the biological aerated filter, the water outlet and the water inlet are located on the same horizontal line, a filter material and a second air diffusion pipe are arranged in the biological aerated filter, and the top of the second air; domestic sewage enters into the activated sludge basin through the water inlet, reach the requirement of intaking in the aeration biological filter under the effect of microorganism etc. in the activated sludge basin, the water of stewing with activated sludge basin upper portion through the elevator pump promotes the aeration biological filter in through the honeycomb duct, carry out the drainage by the outlet that is located the top after the aeration biological filter is handled, adopt polyurethane to be the filter material in the aeration biological filter, can effectively get rid of aquatic SS and colloidal substance, and specific surface area is big, the particle diameter is little, be fit for the microorganism growth, it is short to hang the membrane time, the pollutant is got rid of effectually, the whole dress that paves of filter material is in second aeration equipment top, traditional filter plate and filter head structure are saved.
The device adopts the mode of daytime operation and night emptying to operate, forms tidal current, and the pore suction generated by tidal motion can suck oxygen in the atmosphere into the biological aerated filter, so that the oxygen transmission quantity and the utilization rate in the filter material are obviously improved, the purification effect of the biological aerated filter on sewage is further improved, and the operating cost is reduced. The air humidity inside the biological aerated filter is relatively high, free oxygen in the gas can be mixed in gaseous water and absorbed and utilized by the microbial film, so that the removal effect is good, pollutants such as organic pollutants and the like adsorbed by the filter material and the surface microbial film are rapidly and well degraded by the microbes in the emptying stage, the excessive accumulation of the biological film is reduced, and the problem of blockage inside the filter material is solved.
Further, the activated sludge pond and the biological aerated filter are arranged in the outer box body, the side plates of the outer box body are all curved plates, and the bottom of the outer box body is a reinforcing bottom plate.
Further, first aeration equipment includes first aeration pipe and aeration dish, and first aeration pipe is evenly laid in the bottom of activated sludge pond, and aeration dish is evenly installed to first aeration pipe.
Further, be provided with activated sludge in the activated sludge pond, be provided with first mud outlet on the diapire in activated sludge pond.
Furthermore, an overflow port is arranged on the side arm of the activated sludge tank, and the overflow port and the water inlet are positioned on the same horizontal line.
Furthermore, a first air diffusing pipe is arranged in the activated sludge tank, the first air diffusing pipe is perpendicular to the bottom wall of the activated sludge tank, the top of the first air diffusing pipe extends out of the activated sludge tank, and the bottom of the first air diffusing pipe is connected to the first aeration pipe.
Furthermore, a hook is arranged on the partition plate positioned on one side of the activated sludge tank, and the guide pipe is hung on the hook and penetrates through the partition plate.
Further, the inside of bological aerated filter is provided with second aeration equipment, and second aeration equipment includes second aeration pipe and rotation type aerator, and second aeration pipe cloth sets up the diapire top in bological aerated filter, and rotation type aerator evenly sets up on the second aeration pipe.
Further, a second sludge discharge opening is arranged on the bottom wall of the biological aerated filter.
The utility model discloses owing to adopted above-mentioned technical scheme, following beneficial effect has: domestic sewage enters into the activated sludge basin through the water inlet, reach the requirement of intaking in the aeration biological filter under the effect of microorganism etc. in the activated sludge basin, the water of stewing with activated sludge basin upper portion through the elevator pump promotes the aeration biological filter in through the honeycomb duct, carry out the drainage by the outlet that is located the top after the aeration biological filter is handled, adopt polyurethane to be the filter material in the aeration biological filter, can effectively get rid of aquatic SS and colloidal substance, and specific surface area is big, the particle diameter is little, be fit for the microorganism growth, it is short to hang the membrane time, the pollutant is got rid of effectually, the whole dress that paves of filter material is in second aeration equipment top, traditional filter plate and filter head structure are saved.
The device adopts the mode of daytime operation and night emptying to operate, forms tidal current, and the pore suction generated by tidal motion can suck oxygen in the atmosphere into the biological aerated filter, so that the oxygen transmission quantity and the utilization rate in the filter material are obviously improved, the purification effect of the biological aerated filter on sewage is further improved, and the operating cost is reduced. The air humidity inside the biological aerated filter is relatively high, free oxygen in the gas can be mixed in gaseous water and absorbed and utilized by the microbial film, so that the removal effect is good, pollutants such as organic pollutants and the like adsorbed by the filter material and the surface microbial film are rapidly and well degraded by the microbes in the emptying stage, the excessive accumulation of the biological film is reduced, and the problem of blockage inside the filter material is solved.
The utility model is used for reform transform rural domestic sewage treatment terminal, have characteristics such as with low costs energy consumption low, have that the appearance is pleasing to the eye, area is little, intensity rigidity is big, transportation hoist and mount are convenient, simple to operate's characteristics, utilize the inhomogeneous characteristic of rural domestic sewage discharge time, this device operation daytime, the evacuation in evening, like the morning and evening, can reinforce the purifying effect to the pollutant.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
FIG. 1 is a schematic structural view of a vertical plane of a sewage treatment plant combining a sequential batch activated sludge process with a biological filter according to the present invention;
FIG. 2 is a schematic diagram showing the structure of the horizontal plane of a sewage treatment plant combining a sequential activated sludge process with a biological filter according to the present invention.
In the figure: 1-an activated sludge tank; 2-aeration biological filter; 3-a separator; 4-a first aeration device; 5-a water inlet; 6-a flow guide pipe; 7-a lift pump; 8-water distribution pipe; 9-a water outlet; 10-a first air dispersing pipe; 11-an outer box; 12-a reinforcing bottom plate; 13-a first aeration pipe; 14-an aeration disc; 15-a first sludge discharge port; 16-an overflow port; 17-a second air dispersing pipe; 18-hanging hooks; 19-filtering material; 20-a second aeration device; 21-a second aerator pipe; 22-a rotary aerator; 23-second sludge discharge port.
Detailed Description
As shown in figure 1 and figure 2, the sewage treatment device combining the sequential activated sludge process and the biological filter according to the present invention comprises an activated sludge pool 1 and an aeration biological filter 2, the activated sludge pool 1 and the aeration biological filter 2 are separated by a partition plate 3, a first aeration device 4 is disposed at the bottom of the activated sludge pool 1, a water inlet 5 is disposed at the upper portion of the side wall of the activated sludge pool 1, the activated sludge pool 1 and the aeration biological filter 2 are communicated by a flow guide pipe 6, one end of the flow guide pipe 6 is connected to a lift pump 7, the lift pump 7 is disposed above the middle portion of the activated sludge pool 1, the flow guide pipe 6 extends to the bottom of the aeration biological filter 2, the other end portion of the flow guide pipe 6 is connected to a water distribution pipe 8, the water distribution pipe 8 is uniformly disposed at the bottom of the aeration biological filter 2, a water outlet 9 is disposed on the side wall at, the water outlet 9 and the water inlet 5 are positioned on the same horizontal line, a filter material 19 and a second air diffusion pipe 17 are arranged in the biological aerated filter 2, and the top of the second air diffusion pipe 17 extends out of the biological aerated filter 2; domestic sewage enters into activated sludge tank 1 through water inlet 5, reach the requirement of intaking of bological aerated filter 2 under the effect of microorganism etc. in activated sludge tank 1, the water of stewing activated sludge tank 1 upper portion through elevator pump 7 promotes in bological aerated filter 2 through honeycomb duct 6, bological aerated filter 2 is handled the back and is discharged water by the outlet 9 that is located the top, adopt polyurethane to be filter material 19 among the bological aerated filter 2, can effectively get rid of aquatic SS and colloidal substance, and specific surface area is big, the particle size is little, be fit for the microorganism to grow, it is short to hang the membrane time, the pollutant is got rid of effectually, filter material 19 wholly paves in second aeration equipment top, traditional filter plate and filter head structure are saved.
The device adopts the mode of operation in daytime and evacuation at night to form tidal flow, and the pore suction generated by tidal movement can suck oxygen in the atmosphere into the biological aerated filter 2, so that the oxygen transmission quantity and the utilization rate in the filter material 19 are obviously improved, the sewage purification effect of the biological aerated filter 2 is further improved, and the operation cost is reduced. The air humidity inside the biological aerated filter 2 is high, and free oxygen in the gas can be mixed in gaseous water and absorbed and utilized by the microbial film, so that the removal effect is good, pollutants such as organic pollutants and the like adsorbed by the filter material 19 and the microbial film on the surface are rapidly and well degraded by the microbes in the emptying stage, the excessive accumulation of the biological film is reduced, and the problem of blockage inside the filter material 19 is solved.
The activated sludge tank 1 and the biological aerated filter 2 are arranged in the outer box body, the side plates of the outer box body are all curved plates, and the bottom of the outer box body is a reinforced bottom plate.
The first aeration device 4 comprises a first aeration pipe 13 and an aeration disc 14, the first aeration pipe 13 is uniformly laid at the bottom of the activated sludge tank 1, and the aeration disc 14 is uniformly arranged on the first aeration pipe 13.
Active sludge is arranged in the active sludge tank 1, and a first sludge discharge port 15 is arranged on the bottom wall of the active sludge tank 1.
An overflow port 16 is arranged on the side arm of the activated sludge tank 1, and the overflow port 16 and the water inlet 5 are positioned on the same horizontal line.
A first air diffusing pipe 10 is arranged in the activated sludge pool 1, the first air diffusing pipe 10 is perpendicular to the bottom wall of the activated sludge pool 1, the top of the first air diffusing pipe 10 extends out of the activated sludge pool 1, and the bottom of the first air diffusing pipe 10 is connected to a first aeration pipe 13.
A hook 18 is arranged on the partition plate 3 positioned on one side of the activated sludge tank 1, and the guide pipe 6 is hung on the hook 18 and penetrates through the partition plate 3.
The second aeration device 20 is arranged in the biological aerated filter 2, the second aeration device 20 comprises a second aeration pipe 21 and a rotary aerator 22, the second aeration pipe 21 is arranged above the bottom wall of the biological aerated filter 2, and the rotary aerator 22 is uniformly arranged on the second aeration pipe 21.
The bottom wall of the biological aerated filter 2 is provided with a second sludge discharge port 23.
The utility model discloses owing to adopted above-mentioned technical scheme, following beneficial effect has: domestic sewage enters into activated sludge tank 1 through water inlet 5, reach the requirement of intaking of bological aerated filter 2 under the effect of microorganism etc. in activated sludge tank 1, the water of stewing activated sludge tank 1 upper portion through elevator pump 7 promotes in bological aerated filter 2 through honeycomb duct 6, bological aerated filter 2 is handled the back and is discharged by the outlet 9 that is located the top, adopt polyurethane to be filter material 19 among the bological aerated filter 2, can effectively get rid of aquatic SS and colloidal substance, and specific surface area is big, the particle size is little, be fit for the microorganism to grow, it is short to hang the membrane time, the pollutant is got rid of effectually, filter material 19 wholly paves in second aeration equipment 20 top, traditional filter plate and filter head structure are saved.
The device adopts the mode of operation in daytime and evacuation at night to form tidal flow, and the pore suction generated by tidal movement can suck oxygen in the atmosphere into the biological aerated filter 2, so that the oxygen transmission quantity and the utilization rate in the filter material 19 are obviously improved, the sewage purification effect of the biological aerated filter 2 is further improved, and the operation cost is reduced. The air humidity inside the biological aerated filter 2 is high, and free oxygen in the gas can be mixed in gaseous water and absorbed and utilized by the microbial film, so that the removal effect is good, pollutants such as organic pollutants and the like adsorbed by the filter material 19 and the microbial film on the surface are rapidly and well degraded by the microbes in the emptying stage, the excessive accumulation of the biological film is reduced, and the problem of blockage inside the filter material 19 is solved.
The utility model is used for reform transform rural domestic sewage treatment terminal, have characteristics such as with low costs energy consumption low, have that the appearance is pleasing to the eye, area is little, intensity rigidity is big, transportation hoist and mount are convenient, simple to operate's characteristics, utilize the inhomogeneous characteristic of rural domestic sewage discharge time, this device operation daytime, the evacuation in evening, like the morning and evening, can reinforce the purifying effect to the pollutant.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present invention to achieve substantially the same technical effects are all covered by the scope of the present invention.
Claims (9)
1. A sewage treatment device combining a sequential activated sludge process and a biological filter is characterized in that: comprises an activated sludge pool and an aeration biological filter pool, wherein the activated sludge pool and the aeration biological filter pool are separated by a partition plate, the bottom of the activated sludge pool is provided with a first aeration device, the upper part of the side wall of the activated sludge pool is provided with a water inlet, the activated sludge pool and the aeration biological filter pool are communicated by a guide pipe, one end of the guide pipe is connected with a lifting pump, the lifting pump is positioned above the middle part of the activated sludge pool, the guide pipe extends to the bottom of the aeration biological filter pool, the other end part of the guide pipe is connected with a water distribution pipe, the water distribution pipe is uniformly distributed at the bottom of the aeration biological filter pool, the side wall at the top of the aeration biological filter pool is provided with a water outlet, the water outlet and the water inlet are positioned on the same horizontal line, and the inside of the aeration biological filter pool is provided, the top of the second air diffusing pipe extends out of the biological aerated filter.
2. The apparatus of claim 1, wherein the apparatus comprises: the activated sludge pond and the biological aerated filter are arranged in the outer box body, the side plates of the outer box body are all curved plates, and the bottom of the outer box body is a reinforcing bottom plate.
3. The apparatus of claim 1, wherein the apparatus comprises: the first aeration device comprises a first aeration pipe and an aeration disc, the first aeration pipe is uniformly laid at the bottom of the activated sludge tank, and the aeration disc is uniformly arranged on the first aeration pipe.
4. The apparatus of claim 1, wherein the apparatus comprises: the activated sludge tank is internally provided with activated sludge, and the bottom wall of the activated sludge tank is provided with a first sludge discharge port.
5. The apparatus of claim 1, wherein the apparatus comprises: and an overflow port is arranged on the side arm of the activated sludge tank, and the overflow port and the water inlet are positioned on the same horizontal line.
6. The apparatus of claim 3, wherein the apparatus comprises: the activated sludge tank is internally provided with a first air diffusing pipe, the first air diffusing pipe is perpendicular to the bottom wall of the activated sludge tank, the top of the first air diffusing pipe extends out of the activated sludge tank, and the bottom of the first air diffusing pipe is connected to the first aeration pipe.
7. The apparatus of claim 1, wherein the apparatus comprises: the partition plate positioned on one side of the activated sludge tank is provided with a hook, and the guide pipe is hung on the hook and penetrates through the partition plate.
8. The apparatus of claim 1, wherein the apparatus comprises: the inside of bological aerated filter is provided with second aeration equipment, second aeration equipment includes second aeration pipe and rotation type aerator, second aeration pipe cloth sets up bological aerated filter's diapire top, rotation type aerator evenly sets up on the second aeration pipe.
9. The apparatus of claim 1, wherein the apparatus comprises: and a second sludge discharge port is arranged on the bottom wall of the biological aerated filter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020338112.9U CN211972081U (en) | 2020-03-17 | 2020-03-17 | Sewage treatment device combining sequential batch activated sludge process and biological filter |
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| CN202020338112.9U CN211972081U (en) | 2020-03-17 | 2020-03-17 | Sewage treatment device combining sequential batch activated sludge process and biological filter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114605036A (en) * | 2022-03-17 | 2022-06-10 | 江苏嘉泰蒸发设备股份有限公司 | Tail liquid energy-saving and emission-reducing device for environment-friendly enterprise and working method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114605036A (en) * | 2022-03-17 | 2022-06-10 | 江苏嘉泰蒸发设备股份有限公司 | Tail liquid energy-saving and emission-reducing device for environment-friendly enterprise and working method thereof |
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