CN211005028U - Biological ecological fecal sewage treatment system suitable for rural toilets in alpine regions - Google Patents
Biological ecological fecal sewage treatment system suitable for rural toilets in alpine regions Download PDFInfo
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- CN211005028U CN211005028U CN201921538589.5U CN201921538589U CN211005028U CN 211005028 U CN211005028 U CN 211005028U CN 201921538589 U CN201921538589 U CN 201921538589U CN 211005028 U CN211005028 U CN 211005028U
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Abstract
The utility model discloses a biological ecological fecal sewage treatment system suitable for rural toilets in alpine regions, which belongs to the technical field of sewage treatment. The system comprises a septic tank, an insulation can, solar photovoltaic board and aftertreatment unit, the septic tank is used for carrying out sedimentation separation and anaerobic fermentation to excrement discharged from the lavatory, be equipped with the cooling tube in the septic tank, the cooling tube passes through circulating conveyer pipe and insulation can intercommunication, circulating conveyer pipe outer wall cladding insulation material, the last delivery pump that is equipped with of circulating conveyer pipe, heat-conducting fluid is equipped with in the insulation can, the solar photovoltaic board is used for heating heat-conducting fluid, aftertreatment unit includes constructed wetland and soil filtration field, septic tank effluent flows into and discharges after the constructed wetland is handled during rich water phase, septic tank effluent flows into and discharges after the soil filtration field is handled during the dry season. The utility model discloses simple structure can utilize the abundant solar energy in alpine region according to local conditions, can make the sewage temperature in the excrement pond maintain suitable temperature range again, improves the treatment effect of manure pit to sewage.
Description
Technical Field
The utility model relates to a dirty processing system of excrement, concretely relates to be fit for the dirty processing system of biological ecology excrement in alpine region rural area lavatory belongs to sewage treatment technical field.
Background
At present, the rural toilet change is gradually developed all over the country, but one of the difficulties is to find a toilet feces treatment technology which is high in efficiency, low in consumption and suitable for vast rural areas. Wherein, the biology and the treatment technology taking the biology as the core play an important role in the treatment of the excrement in the rural toilets due to the advantages of mature engineering application, low cost and the like. However, in alpine regions with high altitude, high latitude and large day and night temperature difference, due to the characteristics of low temperature, long duration, permanence of frozen soil, thin gas and the like, the microbial technology has low microbial activity and reduces the mass transfer and utilization efficiency of oxygen in the reactor, thereby seriously limiting the application of the microbial technology in the alpine regions and solving the problem of how to preserve heat, which is a key technical problem that the revolution of a toilet can not bypass the rigors and war.
Another typical feature of alpine regions is the abundance of solar energy resources. According to statistics, the annual average sunshine duration in the alpine region is 2314-3550 h, the sunshine percentage is 53-80%, and the theoretical reserve amount of solar energy resources is 14-27 hundred million kw.h.
Therefore, how to utilize abundant solar energy in the alpine region according to local conditions, ensure the proper temperature for the growth of microorganisms, and construct a sewage treatment structure or integrated sewage treatment equipment which is simple and convenient to operate and maintain is of great importance for developing the deep toilet revolution in the alpine region.
SUMMERY OF THE UTILITY MODEL
Problem among the prior art, the utility model provides a dirty processing system of biological ecology excrement that is fit for alpine region rural lavatory, this dirty processing system of excrement simple structure, it can utilize the abundant solar energy in alpine region according to local conditions, can make the sewage temperature in the excrement pond maintain the growth reproduction within range that is fit for the microorganism again, improves the treatment effect of manure pit to sewage.
In order to realize the technical purpose, the technical proposal of the utility model is that:
the biological ecological fecal sewage treatment system comprises a septic tank, an insulation box, a solar photovoltaic panel and a post-treatment unit, wherein the septic tank is used for carrying out precipitation separation and anaerobic fermentation on feces discharged from a toilet, a radiating pipe is arranged in the septic tank and is communicated with the insulation box through a circulating conveying pipe, the outer wall of the circulating conveying pipe is coated with a heat insulation material, a conveying pump is arranged on the circulating conveying pipe, heat conduction fluid is filled in the insulation box, the solar photovoltaic panel is used for heating the heat conduction fluid, the post-treatment unit comprises an artificial wetland and a soil filtering field, during a rich water period, effluent of the septic tank flows into the artificial wetland, is treated by the artificial wetland and then is discharged, and during a dry water period, effluent of the septic tank flows into the soil filtering field and is discharged after being treated by the soil filtering field. The utility model has simple structure, can utilize abundant solar energy in alpine regions according to local conditions by arranging the septic tank which utilizes the solar photovoltaic panel to preserve heat, can maintain the temperature of the sewage in the septic tank within a growth and reproduction range suitable for microorganisms, improves the enzyme activity and enhances the treatment effect of the septic tank on the sewage; through setting up the aftertreatment unit staged treatment septic tank effluent with the manure pit coupling, wherein, the wetland is handled in the rich water period, and soil filtration is adopted in the dry season, thereby not only can further improve the get rid of effect to pollutants such as COD, ammonia nitrogen, total phosphorus when utilizing abundant soil resources in alpine region according to local conditions, thereby further promote out water quality, and the mode of handling septic tank effluent stage by stage can overcome the problem in the weather, and more nimble in the operation, the technique has feasibility and popularization nature more.
According to the preferable scheme, the solar photovoltaic panel heats the heat-conducting fluid through the heat-insulating part, the heat-insulating part comprises a storage battery electrically connected with the solar photovoltaic panel, an electric heating wire electrically connected with the storage battery and a temperature control switch, electric energy generated by the solar photovoltaic panel is stored by the storage battery, the temperature control switch is connected with the electric heating wire in series, the temperature control switch is connected with a temperature probe, the temperature probe is used for detecting the temperature of the heat-conducting fluid in the heat-insulating box, when the temperature of the heat-conducting fluid in the heat-insulating box is lower than a set temperature, the temperature control switch is closed, the heating wire is heated, and when the peripheral temperature of the air pump exceeds the set temperature, the.
Preferably, the radiating pipe is provided with radiating fins, and the radiating fins are metal sheets provided with a plurality of sheet-shaped notches. The heat dissipation of the heat-conducting fluid in the septic tank can be accelerated by arranging the radiating fins, so that the fermentation speed of the excrement in the septic tank can be accelerated; in addition, the slice incision that sets up on the radiating fin not only can increase heat radiating area, can not block the relative flow of excrement and urine in the septic tank when the fermentation moreover, can further accelerate faecal fermentation, improves the system and to faecal treatment effeciency.
Preferably, the sheet-like slits are arranged in two rows on the metal thin plate, the two rows are equal in number and paired one by one, and the two sheet-like slits in the pair obliquely protrude toward the upper side and the lower side of the metal thin plate respectively. So set up, can make excrement and urine in the excrement and urine pond produce the turbulent flow in fin department to heat transmission between excrement and urine in the excrement and urine pond is accelerated, excrement and urine's fermentation speed in the further manure pit of accelerating, thereby the system is improved to faecal treatment effeciency.
Preferably, the sheet-like slits are arranged in two rows on the metal thin plate, and two adjacent sheet-like slits in the same row are inclined to protrude toward the upper side and the lower side of the metal thin plate, respectively.
Preferably, the surface of the artificial wetland is covered with harvested plants for heat preservation.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural diagram of a heat dissipation fin of the present invention;
reference numerals:
10. the septic tank 11, the radiating pipe 12, the radiating fins 13, the sheet-shaped cuts 20, the circulating conveying pipe 21, the conveying pump 30, the heat preservation box 41, the storage battery 42, the electric heating wire 43, the temperature control switch 44, the temperature probe 50, the solar photovoltaic plate 61, the artificial wetland 62, the soil filtering field 70, the first pipeline 80 and the second pipeline 80
Detailed Description
With reference to fig. 1 to 2, a specific embodiment of the present invention is described in detail, but the present invention is not limited to the claims.
As shown in fig. 1 to 2, a biological ecological fecal sewage treatment system suitable for rural toilets in alpine regions comprises a septic tank 10, an insulation can 30, a solar photovoltaic panel 50 and a post-treatment unit;
the septic tank 10 is used for carrying out sedimentation separation and anaerobic fermentation on excrement discharged from a toilet, a radiating pipe 11 is arranged in the septic tank 10, the radiating pipe 11 is communicated with an insulation box 30 through a circulating conveying pipe 20, the outer wall of the circulating conveying pipe 20 is coated with an insulation material, and a conveying pump 21 is arranged on the circulating conveying pipe 20;
the heat-conducting fluid is arranged in the heat-insulating box 30, the solar photovoltaic panel 50 heats the heat-conducting fluid through a heat-insulating part, the heat-insulating part comprises a storage battery 41 electrically connected with the solar photovoltaic panel 50, an electric heating wire 42 electrically connected with the storage battery 41 and a temperature control switch 43, electric energy generated by the solar photovoltaic panel 50 is stored by the storage battery 41, the temperature control switch 43 is connected with the electric heating wire 42 in series, the temperature control switch 43 is connected with a temperature probe 44, the temperature probe 44 is used for detecting the temperature of the heat-conducting fluid in the heat-insulating box 30, when the temperature of the heat-conducting fluid in the heat-insulating box 30 is lower than a set temperature (such as 25 ℃), the temperature control switch 43 is closed, the electric heating wire is used for heating 42, and when the temperature of the heat-conducting fluid in the heat-insulating;
the post-treatment unit comprises an artificial wetland 61 and a soil filtration field 62, wherein the artificial wetland 61 selects porous air bricks, limestone and gravels as wetland substrates, sawdust and rotten wood are properly added as filter materials, the water quality characteristics of low carbon, high ammonia nitrogen and high phosphorus of toilet sewage and the environmental characteristics of low temperature, low pressure and oxygen deficiency of a Qinghai region are combined, plants with developed root systems, strong stress resistance and good oxygen delivery capacity, such as reeds, water shallots and black burreed, are planted on the artificial wetland 61, meanwhile, reaping wetland plants playing a role in heat preservation are covered on the surface of the artificial wetland 61, the artificial wetland 61 is communicated with a water outlet of the septic tank 10 through a first pipeline 70, a first valve is arranged on the first pipeline 70, the soil filtration field 62 consists of broken pebbles, artificial soil and cultivated soil, a black plastic film is protected around the soil, a special permeable film is laid on the lower part of the soil filtration field 62, and the water outlet of the septic tank 10 is communicated through a second, the second pipeline 80 is provided with a second valve, when in a rich water period, the first valve is opened, the effluent of the septic tank 10 flows into the artificial wetland 61 and is discharged after being treated by the artificial wetland 61, and when in a dry water period, the second valve is opened, the effluent of the septic tank 10 flows into the soil filtering field 62 and is discharged after being treated by the soil filtering field 62.
Wherein, for the fermentation speed of excrement and urine in accelerating manure pit 10 still be equipped with radiating fin 12 on the cooling tube 11, radiating fin 12 is for the sheet metal that is equipped with a plurality of slice incisions 13, and two rows are arranged into on sheet metal to slice incision 13, and two rows of slice incisions 13's quantity is equal and pair one by one, and two slice incisions 13 in pairs are towards sheet metal upside and downside slope respectively and are outstanding, and two adjacent slice incisions 13 on the same row are outstanding towards sheet metal upside and downside slope respectively.
To sum up, the utility model has the advantages of it is following:
1. the utility model has simple structure and ecological environmental protection, and the septic tank 10 which utilizes the solar photovoltaic panel 50 to keep warm can utilize abundant solar energy in alpine regions according to local conditions and can maintain the temperature of sewage in the septic tank 10 in a growth and reproduction range suitable for microorganisms, thereby improving the enzyme activity and enhancing the treatment effect of the septic tank 10 on the sewage; through setting up the aftertreatment unit staged treatment septic tank 10 play water with manure pit 10 coupling, wherein, the wetland is handled in the rich water period, and soil filtration is adopted in the dry season, thereby not only can further improve the removal effect to pollutants such as COD, ammonia nitrogen, total phosphorus when utilizing the abundant soil resources in alpine region according to local conditions thereby further promote out water quality, thereby the mode of staged treatment septic tank 10 play water can overcome the problem in the weather, it is more nimble to operate, the technique has feasibility and popularization nature more.
2. The utility model discloses an improve constructed wetland 61's matrix-microorganism-plant system's optimal design, increase wetland bed inside dissolved oxygen content, improve the quantity and the activity of microorganism, strengthen constructed wetland 61 to the organic matter, the absorption of pollutants such as nitrogen phosphorus, deposit, ion exchange, microbial degradation etc. effect, thereby improve treatment effeciency, this combination technology's play water COD is 10 ~ 15 mg/L for 100 ~ 200 mg/L, total nitrogen is 20 ~ 25 mg/L, total phosphorus is 4 ~ 5 mg/L, can reach "farmland irrigation water quality standard".
3. The heat dissipation of the heat-conducting fluid in the septic tank 10 can be accelerated by arranging the radiating pipe 11 with the radiating fins 12 in the septic tank 10, so that the fermentation speed of the excrement in the septic tank 10 can be accelerated; in addition, the sheet-shaped notches 13 arranged on the radiating fins 12 can not only increase the radiating area, but also can not block the relative flow of the excrement in the septic tank 10 during fermentation, so that the fermentation of the excrement can be further accelerated, and the treatment efficiency of the system on the excrement is improved.
It should be understood that the above detailed description of the present invention is only for illustrative purposes and is not limited to the technical solutions described in the embodiments of the present invention. It will be understood by those skilled in the art that the present invention may be modified and equivalents may be substituted to achieve the same technical effects; as long as the use requirement is satisfied, the utility model is within the protection scope.
Claims (6)
1. The biological ecological fecal sewage treatment system is characterized by comprising a septic tank, an insulation can, a solar photovoltaic panel and a post-treatment unit, wherein the septic tank is used for carrying out precipitation separation and anaerobic fermentation on feces discharged from the toilet, a radiating tube is arranged in the septic tank and is communicated with the insulation can through a circulating conveying tube, the outer wall of the circulating conveying tube is coated with a heat insulation material, a conveying pump is arranged on the circulating conveying tube, heat conduction fluid is filled in the insulation can, the solar photovoltaic panel is used for heating the heat conduction fluid, the post-treatment unit comprises an artificial wetland and a soil filtering field, during a rich water period, effluent of the septic tank flows into the artificial wet ground and is treated by the artificial wetland and then discharged, and during a dry water period, effluent of the septic tank flows into the soil filtering field and is treated by the soil filtering field and then discharged.
2. The fecal sewage treatment system of claim 1, wherein the solar photovoltaic panel heats the heat transfer fluid through a thermal insulation component, the thermal insulation component comprises a storage battery electrically connected with the solar photovoltaic panel, an electric heating wire electrically connected with the storage battery and a temperature controlled switch, the electric energy generated by the solar photovoltaic panel is stored by the storage battery, the temperature controlled switch is connected in series with the electric heating wire, the temperature controlled switch is connected with a temperature probe, the temperature probe is used for detecting the temperature of the heat transfer fluid in the thermal insulation box, when the temperature of the heat transfer fluid in the thermal insulation box is lower than a set temperature, the temperature controlled switch is closed, the heating wire is heated, when the peripheral temperature of the air pump exceeds the set temperature, the temperature controlled switch is opened, and the heating wire does not work.
3. The septic system of claim 1, wherein said radiating pipes are formed with radiating fins which are thin metal plates having a plurality of sheet-like slits.
4. A fecal sewage treatment system according to claim 3, characterized in that the sheet shaped slits are arranged in two rows on the metal sheet, the two rows being equal in number and paired one to one, the two sheet shaped slits in a pair protruding obliquely towards the upper side and the lower side of the metal sheet, respectively.
5. A fecal sewage treatment system according to claim 3, characterized in that the sheet-like slits are arranged in two rows on the metal sheet, adjacent sheet-like slits in the same row protruding obliquely towards the upper side and the lower side of the metal sheet, respectively.
6. A fecal sewage treatment system according to claim 1 characterized in that the surface of the artificial wetland is covered with heat retaining harvested plants.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921538589.5U CN211005028U (en) | 2019-09-17 | 2019-09-17 | Biological ecological fecal sewage treatment system suitable for rural toilets in alpine regions |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921538589.5U CN211005028U (en) | 2019-09-17 | 2019-09-17 | Biological ecological fecal sewage treatment system suitable for rural toilets in alpine regions |
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| CN211005028U true CN211005028U (en) | 2020-07-14 |
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| CN201921538589.5U Active CN211005028U (en) | 2019-09-17 | 2019-09-17 | Biological ecological fecal sewage treatment system suitable for rural toilets in alpine regions |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111747620A (en) * | 2020-08-13 | 2020-10-09 | 吉林省海建环境设计院有限公司 | System for treating surface water by combining artificial wetland and magnetic coagulation |
| CN115159675A (en) * | 2022-06-14 | 2022-10-11 | 同济大学 | Method for deeply treating toilet black water by using low-temperature-resistant improved septic tank coupled ceramsite infiltration tank |
-
2019
- 2019-09-17 CN CN201921538589.5U patent/CN211005028U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111747620A (en) * | 2020-08-13 | 2020-10-09 | 吉林省海建环境设计院有限公司 | System for treating surface water by combining artificial wetland and magnetic coagulation |
| CN115159675A (en) * | 2022-06-14 | 2022-10-11 | 同济大学 | Method for deeply treating toilet black water by using low-temperature-resistant improved septic tank coupled ceramsite infiltration tank |
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