CN214829778U - Black water and grey water recycling treatment system for rural areas - Google Patents
Black water and grey water recycling treatment system for rural areas Download PDFInfo
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- CN214829778U CN214829778U CN202120916355.0U CN202120916355U CN214829778U CN 214829778 U CN214829778 U CN 214829778U CN 202120916355 U CN202120916355 U CN 202120916355U CN 214829778 U CN214829778 U CN 214829778U
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Abstract
The utility model discloses a black water, grey water resourceful treatment system for rural area, include: the device comprises an ash water inlet, an ash water main pipe, an ash water adjusting tank, an ash water lifting pump, MBBR sewage treatment equipment, a sand filter tank, an ash water pipeline type ultraviolet sterilizer, a liquid storage tank, a drainage pipeline, waste gas treatment equipment, a black water inlet, a black water main pipe, a black water adjusting tank, a black water lifting pump, dehydration separation equipment, black water slag mixing equipment, a fermentation bin and a finished product stacking bin. The utility model discloses on the basis of collecting black water, buck respectively, carry out the comprehensive pollution control who handles respectively and resource utilization's ecological cycle system.
Description
Technical Field
The utility model relates to a sewage treatment field, more specifically the utility model relates to a black water, grey water resourceful treatment system for it is rural.
Background
Rural sewage treatment and resource utilization are the major importance of ecological environmental protection. A plurality of rural domestic sewage treatment processes mainly adopt biochemical treatment, but the problems faced by the processes are increasingly highlighted: the problem of how to treat the biochemical sludge. After sewage treatment, sludge is transported to a garbage treatment plant through remote transportation, so that the transportation cost, manpower and material resources are greatly increased, and effective recycling can not be achieved. Therefore, a comprehensive treatment system capable of utilizing sewage and waste resources to the maximum is needed, which can reduce pollution and save resources, and fundamentally achieve the aim of ecological environmental protection. The process is a comprehensive system for respectively treating and recycling black water and grey water on the basis of rural domestic sewage negative pressure source separation, wherein the grey water is treated by an MBBR sewage treatment process, and the effluent reaches the requirement of a design standard (GB18918 grade A) and is discharged into a nearby receiving water body after reaching the standard; meanwhile, after dehydration pretreatment, the black water and rural organic wastes, straw, livestock and poultry manure and the like enter an aerobic fermentation bin for aerobic fermentation, and compost products reach nutrient soil or organic fertilizers for agriculture and forestry and are reused for nearby agriculture and forestry.
Therefore, the problem that the technical personnel in the field need to solve urgently is to provide a black water and grey water recycling treatment system for rural areas.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a black water, grey water resource processing system for rural area carries out the comprehensive pollution control who handles respectively and resource utilization's ecological cycle system on collecting black water, grey water respectively the basis.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
a black water and grey water recycling treatment system for rural areas comprises: the system comprises an ash water inlet, an ash water main pipe, an ash water regulating tank, an ash water lifting pump, MBBR sewage treatment equipment, a sand filter tank, an ash water pipeline type ultraviolet sterilizer, a liquid storage tank, a drainage pipeline, waste gas treatment equipment, a black water inlet, a black water main pipe, a black water regulating tank, a black water lifting pump, dehydration separation equipment, black water slag mixing equipment, a fermentation bin and a finished product stacking bin;
the grey water inlet is connected with a grey water regulating tank through a grey water main pipe, a grey water lifting pump is arranged in the grey water regulating tank, one end of the grey water lifting pump is connected with a feed inlet of MBBR sewage treatment equipment through the grey water main pipe, a discharge port of the MBBR sewage treatment equipment is connected with an inlet of a sand filter tank through the grey water main pipe, an outlet of the sand filter tank is connected with a grey water pipeline type ultraviolet sterilizer, the other end of the grey water pipeline type ultraviolet sterilizer is connected with a liquid storage tank, the liquid storage tank is respectively connected with a drainage pipeline and waste gas treatment equipment, a sludge outlet of the liquid storage tank is connected with a black water regulating tank through the grey water main pipe, a black water inlet is connected with the black water regulating tank through the black water main pipe, a black water lifting pump is arranged in the black water regulating tank, one end of the black water lifting pump is connected with dehydration separation equipment through the black water main pipe, and a liquid outlet of the dehydration separation equipment is connected with the grey water regulating tank through the black water main pipe, the discharge gate and the black water sediment compounding equipment of dehydration splitter are connected, black water sediment compounding equipment is responsible for through the black water and is connected with the fermentation storehouse, the fermentation storehouse is stacked the storehouse with the finished product and is connected.
Preferably, the MBBR sewage treatment equipment comprises a denitrification unit, an anaerobic unit, an anoxic unit, an aerobic unit I, an aerobic unit II and a sedimentation tank.
Preferably, the built-in filler of the MBBR sewage treatment equipment comprises a biological membrane.
Preferably, the MBBR sewage treatment equipment is externally connected with an aeration fan.
Through taking above scheme, the beneficial effects of the utility model are that:
the utility model discloses a MBBR sewage treatment device as the main reaction unit who handles grey water, the regulating pondage of the sewage equalizing basin that sets up before MBBR sewage treatment device can satisfy a water cycle, can prevent that the inflow is undulant too big in the MBBR sewage treatment device, goes out the harm of the poor MBBR sewage treatment device overflow even of water quality. The MBBR sewage treatment equipment mainly removes main pollutants in a water body through a biological film on a built-in filler, removes nitrogen and phosphorus, mainly removes organic pollutants in the water body in an aeration stage, and simultaneously converts ammonia nitrogen in the water body into nitrate nitrogen; the anaerobic unit is mainly used as a region for releasing phosphorus in the body by phosphorus accumulating bacteria, so that the subsequent aerobic unit can convert the phosphorus in the water body into ATP to be stored in microbial cells, and meanwhile, part of refractory organic matters in the water body can be converted into degradable organic matters; the anoxic unit converts nitrate nitrogen into nitrogen gas through denitrifying bacteria in the water body and discharges the nitrogen gas out of the water body; the sedimentation tank can discharge sludge during sedimentation, and phosphorus pollutants in the water body are discharged along with the sludge; the grey water is subjected to biochemical reaction on the built-in filler of the MBBR to remove pollutants such as COD (chemical oxygen demand) and BOD (biochemical oxygen demand) in the water, and the effluent can be discharged into a nearby natural water body after reaching the standard.
Preferably, the liquid storage tank comprises a clean water tank and a sludge storage tank.
Preferably, the clean water tank is communicated with a drainage pipeline, and the sludge storage tank is respectively communicated with the waste gas treatment equipment and the sludge outlet.
Preferably, the dehydration separation apparatus comprises a pre-dehydration apparatus and a solid-liquid separation apparatus.
Preferably, the fermentation bin comprises a feeding area, a turning area, a main fermentation bin, a deodorization area and a control area.
Through taking above scheme, the beneficial effects of the utility model are that:
the incoming material of the fermentation process passes through a black water inlet, a black water adjusting tank and enters a dehydration separation device, the dehydrated black water slag, livestock and poultry manure, kitchen garbage, straws and the like are mixed in a black water slag mixing device and then enter a fermentation bin for fermentation, and the waste is fermented and aged to reach the reduction and harmless standard of solid waste and obtain the agricultural and forestry nutrient soil.
Known via above-mentioned technical scheme, compare with prior art, the beneficial effect of the utility model is as follows:
the utility model provides a black water and grey water resource treatment system for rural areas, which is suitable for the treatment and resource utilization of organic matters such as rural domestic sewage, organic wastes, straws, livestock and poultry manure and the like. The following 3 purposes are achieved: firstly, discharging ash water after reaching standards; the method comprises the steps of treating sludge nearby, recycling other rural organic wastes, straws, livestock and poultry manure and the like, forming organic fertilizers through aerobic fermentation treatment on black water, grey water, straws, livestock and poultry manure and the like, and realizing closed-loop ecological cycle of the black water, the grey water and the organic wastes in the area.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a recycling system for black water and grey water in rural areas according to the present invention;
FIG. 2 is a schematic structural diagram of the MBBR sewage treatment equipment of the present invention;
in the figure: 1-grey water inlet, 2-grey water main pipe, 3-grey water regulating tank, 4-grey water lifting pump, 5-MBBR sewage treatment equipment, 6-sand filter tank, 7-grey water pipeline type ultraviolet sterilizer, 8-liquid storage tank, 9-drainage pipeline, 10-waste gas treatment equipment, 11-black water inlet, 12-black water main pipe, 13-black water regulating tank, 14-black water lifting pump, 15-dehydration separation equipment, 16-black water slag mixing equipment, 17-fermentation bin, 18-finished product stacking bin, 19-aeration fan, 20-clear water tank and 21-sludge storage tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
The embodiment of the utility model provides a black water, grey water resourceful treatment system for rural area, as shown in figure 1, black water, grey water resourceful treatment system's work flow as follows:
the grey water enters a grey water regulating tank 3 from a grey water inlet 1 through a grey water main pipe 2, regulation and storage are carried out in the grey water regulating tank 3 for 24 hours, after the water quality and the water quantity reach a balanced state, the grey water is lifted to MBBR sewage treatment equipment 5 through an internal grey water lifting pump 4, the grey water is subjected to a series of biological treatment of a denitrification unit, an anaerobic unit, an anoxic unit, an aerobic unit I, an aerobic unit II and a sedimentation tank and is treated by an aeration fan 19, the COD removal rate reaches 95% -98%, the ammonia nitrogen removal rate reaches more than 85%, the grey water enters a sand filter tank 6, suspended matters and part of residual activated sludge in the grey water are removed, and then the grey water flows into a liquid storage tank 8 through a grey water pipeline type ultraviolet sterilizer 7; the liquid storage tank 8 is used for solid-liquid separation, the grey water after the standard treatment overflows from the clean water tank 20 and is discharged into a nearby receiving water body through a drainage pipeline 9, and the waste gas treatment equipment 10 is used for treating the waste gas in the sludge storage tank 21 and discharging the waste gas after the standard treatment is reached; returning the sludge in the sludge storage tank 21 to the black water regulating tank 13 through the sludge outlet via the grey water main pipe 2, mixing the sludge with the black water flowing in from the black water inlet 11, and then performing black water treatment;
the black water in the black water adjusting tank 13 is lifted to a dehydration separation device 15 for dehydration through a black water lifting pump 14, the pre-dehydration device ensures that the water content of the black water is reduced from 95-98% to 80-85%, wherein the solid-liquid separation device reflows the separated water to the grey water adjusting tank 3 for further denitrification and dephosphorization treatment, the black water slag enters a black water slag mixing device 16, the straws, livestock and poultry manure, organic wastes and the like are added together for mixing, the mixture is conveyed to a feeding area of a fermentation chamber 17, the materials are further uniformly mixed in the fermentation chamber 17, the materials enter a main fermentation area through a turning area and undergo aerobic fermentation for 12d, the organic matters are reduced through ideal dehydration under the metabolic action of microorganisms, the water content is reduced from 80-85% to about 45%, and the fiber substances such as the straws and the like are decomposed into nutrient soil and even organic fertilizers due to the metabolic action of the microorganisms, and conveying the mixture to a finished product stacking bin 18 for aging for about 15d, and transporting the finished product nutrient soil or organic fertilizer out for use and reusing the nutrient soil or organic fertilizer in agriculture and forestry.
Through the combination with the environmental assessment department, the effluent quality of the project sewage treatment station needs to meet the C standard in the discharge Standard of pollutants for municipal wastewater treatment plant (DB 12/599-.
| Main indexes | pH | SS | COD | BOD5 | NH3-N | TP |
| Quality of effluent water | 6-9 | ≤10 | ≤50 | ≤10 | ≤5(8) | ≤0.5 |
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. For the switch disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and for the relevant points, refer to the description of the method part.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A black water and grey water recycling treatment system for rural areas is characterized by comprising: the system comprises a grey water inlet (1), a grey water main pipe (2), a grey water regulating tank (3), a grey water lifting pump (4), MBBR sewage treatment equipment (5), a sand filter tank (6), a grey water pipeline type ultraviolet sterilizer (7), a liquid storage tank (8), a drainage pipeline (9), waste gas treatment equipment (10), a black water inlet (11), a black water main pipe (12), a black water regulating tank (13), a black water lifting pump (14), dehydration separation equipment (15), black water slag mixing equipment (16), a fermentation bin (17) and a finished product stacking bin (18);
the grey water inlet (1) is connected with a grey water regulating tank (3) through a grey water main pipe (2), a grey water lifting pump (4) is installed in the grey water regulating tank (3), one end of the grey water lifting pump (4) is connected with a feed inlet of MBBR sewage treatment equipment (5) through the grey water main pipe (2), a discharge port of the MBBR sewage treatment equipment (5) is connected with an inlet of a sand filter tank (6) through the grey water main pipe (2), an outlet of the sand filter tank (6) is connected with an ultraviolet sterilizer (7) in a grey water pipeline mode, the other end of the ultraviolet sterilizer (7) in the grey water pipeline mode is connected with a liquid storage tank (8), the liquid storage tank (8) is respectively connected with a drainage pipe (9) and waste gas treatment equipment (10), a sludge outlet of the liquid storage tank (8) is connected with a black water regulating tank (13) through the grey water main pipe (2), and the black water inlet (11) is connected with the black water regulating tank (13) through a black water main pipe (12), install black water elevator pump (14) in black water equalizing basin (13), the one end of black water elevator pump (14) is responsible for (12) through the black water and is connected with dehydration splitter (15), the liquid outlet of dehydration splitter (15) is responsible for (12) through the black water and is connected with grey water equalizing basin (3), the discharge gate and the black water sediment compounding equipment (16) of dehydration splitter (15) are connected, black water sediment compounding equipment (16) are responsible for (12) through the black water and are connected with fermentation storehouse (17), fermentation storehouse (17) are stacked storehouse (18) with the finished product and are connected.
2. The recycling treatment system for black water and grey water in rural areas according to claim 1, wherein the MBBR sewage treatment plant (5) comprises a denitrification unit, an anaerobic unit, an anoxic unit, a first aerobic unit, a second aerobic unit and a sedimentation tank.
3. The recycling treatment system for black water and grey water in rural areas according to claim 1, characterized in that the MBBR sewage treatment plant (5) is externally connected with an aeration fan (19).
4. A black and grey water resource treatment system for rural areas according to claim 1, wherein the liquid storage tank (8) comprises a clean water tank (20) and a sludge storage tank (21).
5. A black water and grey water resource treatment system for rural areas according to claim 4, wherein the clean water tank (20) is communicated with a drainage pipeline (9), and the sludge storage tank (21) is respectively communicated with the waste gas treatment device (10) and the sludge outlet.
6. A black water and grey water resource treatment system for rural areas according to claim 1, wherein the dehydration separation equipment (15) comprises pre-dehydration equipment and solid-liquid separation equipment.
7. The recycling treatment system for black water and grey water in rural areas according to claim 1, wherein the fermentation bin (17) comprises a feeding area, a turning area, a main fermentation bin, a deodorization area and a control area.
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| CN202120916355.0U CN214829778U (en) | 2021-04-29 | 2021-04-29 | Black water and grey water recycling treatment system for rural areas |
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| CN202120916355.0U CN214829778U (en) | 2021-04-29 | 2021-04-29 | Black water and grey water recycling treatment system for rural areas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117923734A (en) * | 2024-03-21 | 2024-04-26 | 河北省科学院地理科学研究所 | Comprehensive treatment method for rural domestic sewage |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117923734A (en) * | 2024-03-21 | 2024-04-26 | 河北省科学院地理科学研究所 | Comprehensive treatment method for rural domestic sewage |
| CN117923734B (en) * | 2024-03-21 | 2024-05-31 | 河北省科学院地理科学研究所 | Comprehensive treatment method for rural domestic sewage |
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