CN211004738U - Electrode biological membrane purification device suitable for rural domestic sewage treatment - Google Patents
Electrode biological membrane purification device suitable for rural domestic sewage treatment Download PDFInfo
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- CN211004738U CN211004738U CN201921637327.4U CN201921637327U CN211004738U CN 211004738 U CN211004738 U CN 211004738U CN 201921637327 U CN201921637327 U CN 201921637327U CN 211004738 U CN211004738 U CN 211004738U
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Abstract
The utility model relates to a belong to sewage treatment technical field, for providing one kind can the quick start, can satisfy the electrode biomembrane purifier of the quality of water purification requirement in rural area. For this reason, the utility model discloses the technical scheme who takes is, be applicable to rural domestic sewage treatment's electrode biomembrane purifier, including device body and power, the lower extreme and the upper end of device body are provided with overflow weir and water inlet respectively, sewage in the intake bucket passes through the peristaltic pump and delivers to the device body, the inside aeration head of connecting the aeration pump of evenly placing of device body, device body middle part is provided with the water collector, be provided with imitative pasture and water formula spiral fiber carrier in the aperture of water collector, the inside of water collector is provided with the outlet pipe, the water in the outlet pipe passes through the peristaltic pump and discharges, the anodal of power links to each other with this internal positive pole of device, the negative pole of power links to each other with this internal negative pole of. The utility model discloses mainly be applied to the manufacturing and designing of quality of water purifier.
Description
Technical Field
The utility model relates to a belong to sewage treatment technical field, concretely relates to electrode biomembrane purifier suitable for rural domestic sewage handles.
Background
According to statistics, more than 80 hundred million tons of sewage are generated in rural areas in China every year, and most of domestic sewage in rural areas is discharged randomly due to the fact that the treatment of the rural domestic sewage is not paid attention for a long time. The direct discharge of the rural domestic sewage not only causes serious pollution to the rural environment, but also restricts the sustainable development of the rural area.
At present, the biological sewage treatment technology is widely applied to urban sewage treatment plants, such as an oxidation ditch process, a conventional activated sludge process, a biofilm process, an anaerobic/anoxic/aerobic (A/A/O) process and the like. However, rural domestic sewage contains higher concentrations of Chemical Oxygen Demand (COD), nitrogen, phosphorus, and other compounds than urban domestic sewage; the dispersibility of village and village household distribution causes the rural domestic sewage to be difficult to collect; the water amount and the water quality of rural domestic sewage change obviously, the sewage discharge amount is large when people wash and rinse the meal in the morning, in the noon and at night, and basically no sewage is generated at night. Therefore, the conventional biological sewage treatment process is not suitable for treating rural domestic sewage.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide an electrode biomembrane purification device which can be quickly started and can meet the water purification requirement of rural areas. For this reason, the utility model discloses the technical scheme who takes is, be applicable to rural domestic sewage treatment's electrode biomembrane purifier, including device body and power, the lower extreme and the upper end of device body are provided with overflow weir and water inlet respectively, sewage in the intake bucket passes through the peristaltic pump and delivers to the device body, the inside aeration head of connecting the aeration pump of evenly placing of device body, device body middle part is provided with the water collector, be provided with imitative pasture and water formula spiral fiber carrier in the aperture of water collector, the inside of water collector is provided with the outlet pipe, the water in the outlet pipe passes through the peristaltic pump and discharges, the anodal of power links to each other with this internal positive pole of device, the negative pole of power links to each other with this internal negative pole of.
The utility model discloses a characteristics and beneficial effect are:
(1) the utility model discloses an electrode biomembrane purifier suitable for rural sewage treatment simple structure, the running cost is low, can carry out effectual processing to rural domestic sewage.
(2) The selection of the waterweed-like spiral fiber carrier and the construction mode of the waterweed-like spiral fiber carrier and the water collector in the device can provide a good aerobic-anaerobic microenvironment for the growth of microorganisms, thereby being beneficial to the quick start of the device and improving the sewage treatment efficiency.
(3) By arranging the electrodes in the device, the denitrification process can be smoothly carried out under the conditions of low temperature and low carbon nitrogen-phosphorus ratio (C/N/P), and the denitrification effect of the sewage is ensured.
(4) The electrode biological membrane purification device is an integrated sewage treatment device, is convenient to transport, simple to operate and manage and strong in device applicability.
Description of the drawings:
FIG. 1 is a schematic view of the electrode biofilm purification device suitable for rural sewage treatment.
Fig. 2 is an effect diagram of the utility model of the middle device for treating actual rural domestic sewage.
The reference numerals are as follows
1-device body 2-water inlet
3-water outlet pipe 4-aeration head
5-overflow weir 6-water inlet bucket
7-peristaltic pump 8-aeration pump
9-waterweed-like spiral fiber carrier 10-water collector
11-Power supply 12-cathode
13-the anode.
Detailed Description
The technical scheme of the utility model outlines as follows:
electrode biomembrane purifier suitable for rural domestic sewage handles, including device body 1 and power 11, the lower extreme and the upper end of device body are provided with overflow weir 5 and water inlet 2 respectively, sewage in the cask 6 is carried to the device body through peristaltic pump 7, the inside aeration head 4 of connecting aeration pump 8 of evenly placing of device body, device body middle part is provided with water collector 10, be provided with imitative pasture and water formula spiral fiber carrier 9 in the aperture of water collector, the inside of water collector is provided with outlet pipe 3, the water in the outlet pipe passes through the peristaltic pump and discharges, the positive pole of power links to each other with this internal positive pole 13 of device, the negative pole of power links to each other with this internal negative pole 12 of device.
The present invention will be further described with reference to the accompanying drawings.
Electrode biomembrane purifier suitable for rural domestic sewage handles, including device body 1 and power 11, the lower extreme and the upper end of device body are provided with overflow weir 5 and water inlet 2 respectively, sewage in the cask 6 is carried to the device body through peristaltic pump 7, the inside aeration head 4 of connecting aeration pump 8 of evenly placing of device body, device body middle part is provided with water collector 10, be provided with imitative pasture and water formula spiral fiber carrier 9 in the aperture of water collector, the inside of water collector is provided with outlet pipe 3, the water in the outlet pipe passes through the peristaltic pump and discharges, the positive pole of power links to each other with this internal positive pole 13 of device, the negative pole of power links to each other with this internal negative pole 12 of device.
The application method of the electrode biological membrane purification device suitable for rural domestic sewage treatment comprises the following steps:
(1) adding activated sludge from a sewage treatment plant into the electrode biofilm purification device to acclimate the sludge and start the device, so that the sludge is attached to and grows on the waterweed-like spiral fiber carrier, and when COD (chemical oxygen demand) of effluent is less than or equal to 50.0 mg/L and BOD (biochemical oxygen demand) of effluent is higher than or equal to 50.0 mg/L5The start-up of the device is completed when the device is more stable and less than or equal to 20.0 mg/L, SS less than or equal to 20.0 mg/L, TN less than or equal to 20.0 mg/L and TP less than or equal to 1.0 mg/L.
(2) The electrode biological film purifying device is operated in a time sequence according to an intermittent mode, each period is divided into 4 stages, namely a water inlet stage (2 hours), an anaerobic stage (4 hours), an aerobic stage (6 hours) and a water drainage stage (2 hours), wherein the time length of each stage can be adjusted according to actual conditions, when the aerobic stage starts, an aeration pump starts to be started, the aeration pump supplies air to the system through an aeration head, when the aeration stage ends, the aeration pump is powered off, the operation is stopped, and the dissolved oxygen concentration of the aerobic stage is maintained at 5.0-6.0 mg/L.
(3) In the anaerobic stage, a power supply in the electrode biofilm system is turned on, the electrode is in a working state, and the microorganisms perform heterotrophic-autotrophic coordinated denitrification and anaerobic phosphorus release; in the aerobic stage, the power supply in the electrode biofilm system is turned off, and the microorganisms are nitrified and aerobically absorb phosphorus. The alternation of the anaerobic stage and the aerobic stage provides conditions for the generation of synchronous denitrification and dephosphorization.
The utility model discloses well device handles application of actual rural domestic sewage:
the capability of the biological membrane purification device for treating actual domestic sewage is tested in a certain village in Hebei province, and the sewage treatment scale is 10.0 t/d. After long-term operation monitoring (the operation period is 2 hours in water inlet stage, 4 hours in anaerobic stage, 6 hours in aerobic stage and 2 hours in water discharge stage; the aeration rate is 7.5m3H) to conclude that the COD of the effluent of the equipment is less than or equal to 16.0 mg/L and BOD5Less than or equal to 3.4 mg/L, less than or equal to 10.0 mg/L SS, less than or equal to 20.0 mg/L TN and less than or equal to 0.5 mg/L TP, and meets the requirements of first-class B of pollutant discharge standard of urban sewage treatment plants.
Claims (1)
1. The utility model provides an electrode biomembrane purifier suitable for rural domestic sewage treatment, which is characterized by, including device body and power, the lower extreme and the upper end of device body are provided with overflow weir and water inlet respectively, sewage in the intake bucket passes through the peristaltic pump and delivers to the device body, the inside aeration head of connecting the aeration pump of evenly placing of device body, device body middle part is provided with the water collector, be provided with imitative pasture and water formula spiral fiber carrier in the aperture of water collector, the inside of water collector is provided with the outlet pipe, the water in the outlet pipe passes through the peristaltic pump and discharges, the positive pole of power links to each other with this internal positive pole of device, the negative pole of power links to each other with this internal negative pole of.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921637327.4U CN211004738U (en) | 2019-09-27 | 2019-09-27 | Electrode biological membrane purification device suitable for rural domestic sewage treatment |
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| CN201921637327.4U CN211004738U (en) | 2019-09-27 | 2019-09-27 | Electrode biological membrane purification device suitable for rural domestic sewage treatment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110563121A (en) * | 2019-09-27 | 2019-12-13 | 天津大学 | Electrode biological membrane purification method and device suitable for rural domestic sewage treatment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110563121A (en) * | 2019-09-27 | 2019-12-13 | 天津大学 | Electrode biological membrane purification method and device suitable for rural domestic sewage treatment |
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