CN111039403A - Sewage treatment device - Google Patents
Sewage treatment device Download PDFInfo
- Publication number
- CN111039403A CN111039403A CN201911240845.7A CN201911240845A CN111039403A CN 111039403 A CN111039403 A CN 111039403A CN 201911240845 A CN201911240845 A CN 201911240845A CN 111039403 A CN111039403 A CN 111039403A
- Authority
- CN
- China
- Prior art keywords
- sewage
- water
- filter tank
- heater
- biochemical treatment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 125
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 113
- 238000001914 filtration Methods 0.000 claims abstract description 35
- 238000010438 heat treatment Methods 0.000 claims abstract description 32
- 244000005700 microbiome Species 0.000 claims abstract description 14
- 238000009826 distribution Methods 0.000 claims description 14
- 238000009413 insulation Methods 0.000 claims description 13
- 238000005192 partition Methods 0.000 claims description 13
- 238000011084 recovery Methods 0.000 claims description 12
- 238000011010 flushing procedure Methods 0.000 claims description 11
- 239000002689 soil Substances 0.000 claims description 10
- 239000000945 filler Substances 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 8
- 239000004576 sand Substances 0.000 claims description 7
- 238000012546 transfer Methods 0.000 claims description 7
- 239000004575 stone Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 24
- 238000004321 preservation Methods 0.000 abstract description 10
- 239000010410 layer Substances 0.000 description 57
- 238000000034 method Methods 0.000 description 13
- 241000196324 Embryophyta Species 0.000 description 8
- 230000001105 regulatory effect Effects 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 238000000746 purification Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 229910000366 copper(II) sulfate Inorganic materials 0.000 description 4
- JZCCFEFSEZPSOG-UHFFFAOYSA-L copper(II) sulfate pentahydrate Chemical compound O.O.O.O.O.[Cu+2].[O-]S([O-])(=O)=O JZCCFEFSEZPSOG-UHFFFAOYSA-L 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229910052594 sapphire Inorganic materials 0.000 description 2
- 239000010980 sapphire Substances 0.000 description 2
- 244000205574 Acorus calamus Species 0.000 description 1
- 235000011996 Calamus deerratus Nutrition 0.000 description 1
- 235000005273 Canna coccinea Nutrition 0.000 description 1
- 240000008555 Canna flaccida Species 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004746 geotextile Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/009—Apparatus with independent power supply, e.g. solar cells, windpower, fuel cells
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/10—Temperature conditions for biological treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/10—Energy recovery
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biotechnology (AREA)
- Botany (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a sewage treatment device which comprises a biochemical treatment system, an ecological filter tank system, a heating system, an energy supply system and a heat preservation shed, wherein the biochemical treatment system purifies sewage through microorganisms, the biochemical treatment system is connected with a water inlet pipe, a filtering layer for filtering the sewage is arranged in the ecological filter tank system, the ecological filter tank system is connected with the biochemical treatment system, the ecological filter tank system is connected with a water outlet pipe, and the heating system comprises a heater and a heater. According to the sewage treatment device, sewage sequentially passes through the biochemical treatment system and the ecological filter tank system, the sewage treatment effect is ensured, the heat preservation shed plays a heat preservation role, when the external temperature is lower, the heater can ensure that the environment temperature in the heat preservation shed is proper, and the heater can ensure that the water temperature in the biochemical treatment system is proper, so that microorganisms can purify the sewage under higher activity, and the device can still efficiently and stably treat the sewage under the condition of lower external temperature.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a sewage treatment device.
Background
With the development of rural social economy and the popularization of tap water, the daily water consumption and sewage discharge amount per capita in rural areas are increased rapidly, a large amount of domestic sewage is generated, the increasing threat to rural water environment is formed, and the treatment problem of rural domestic sewage is increasingly obvious.
At present, aiming at the treatment of rural domestic sewage and black and odorous water, the following methods are mainly adopted: an artificial wetland treatment system, an anaerobic-anoxic-aerobic (A2/O) combined process, an MBR process technology, a purification tank process, a stabilization pond treatment system and the like. The above systems have various characteristics and also have certain limitations:
(1) the artificial wetland treatment system is a natural wetland strengthening treatment system which is constructed artificially and operated under control to treat sewage, but the artificial wetland treatment system not only occupies a large area, but also is difficult to remove peculiar smell, is influenced by temperature, and is difficult to discharge the effluent reaching the standard particularly in winter.
(2) The anaerobic-anoxic-aerobic (A2/O) combined system is used for degrading part of refractory organic matters in the sewage, simultaneously improving the biodegradability of the sewage, providing a carbon source for a denitrification process in a subsequent anoxic stage and finally achieving the aim of efficiently removing COD, BOD, N and P. However, in the system, the nitrate in the returned sludge is harmful to the anaerobic zone due to the front anaerobic zone, the anoxic zone is positioned in the middle of the system, so that the carbon source is not enough to maintain the denitrification requirement, and the denitrification effect is influenced.
(3) The MBR membrane bioreactor is also a commonly used sewage treatment process at present, the process utilizes the separation effect of the membrane to greatly improve the sludge concentration of the system, thereby reducing the occupied area of sewage treatment facilities, reducing the excess sludge amount by keeping low sludge load, and having better effluent effect, but the process has higher operation cost and complex operation.
In addition, the treatment effect of the sewage treatment system and the process has higher dependence on the incoming water temperature to be treated, and the treatment effect of the sewage in a lower-temperature environment has the characteristic of lower efficiency.
Disclosure of Invention
The present invention has been made to solve at least one of the problems occurring in the prior art, and an object of the present invention is to provide a sewage treatment apparatus capable of efficiently and stably treating sewage in an environment with a low outside temperature.
According to an embodiment of the present invention, there is provided a sewage treatment apparatus including:
the biochemical treatment system purifies sewage through microorganisms and is connected with a water inlet pipe;
the system comprises an ecological filter tank system, a water inlet pipe, a water outlet pipe and a water outlet pipe, wherein a filter layer for filtering sewage is arranged in the ecological filter tank system, the ecological filter tank system is connected with the biochemical treatment system, and the ecological filter tank system is connected with the water inlet pipe;
the heat insulation shed, the biochemical treatment system and the ecological filter tank system are arranged in the heat insulation shed;
the heating system comprises a heater and a heater, the heater is arranged in the heat-insulating shed, and the heater is arranged in the biochemical treatment system; and
an energy supply system that provides electrical energy for the heating system.
Has the advantages that: this sewage treatment plant, sewage passes through biochemical treatment system and ecological filter system in proper order, biochemical treatment system is as the pretreatment module, purify sewage through the microorganism, ecological filter system further filters sewage, improve the sewage treatment effect, biochemical treatment system and ecological filter system locate in the thermal-insulation shed, the thermal-insulation shed plays the heat preservation effect, when ambient temperature is lower, the environmental temperature that the heat supply can guarantee in the thermal-insulation shed is suitable, the water temperature that the heater can guarantee among the biochemical treatment system is suitable, thereby make the microorganism can purify sewage under higher activity, this device still can handle sewage high-efficiently steadily under the lower condition of ambient temperature.
According to the sewage treatment device provided by the embodiment of the invention, the energy supply system comprises a solar panel and an automatic voltage regulator connected with the solar panel, the automatic voltage regulator is connected with the heater and the heater, and the automatic voltage regulator is also connected with a storage battery. The solar energy is adopted to provide electric energy for the heating system, the operating cost of sewage heating can be saved, the electric energy converted from the solar energy is adjusted by the automatic voltage regulator and is transmitted to the storage battery, the heater and the heater according to the condition, and the utilization rate of the solar energy is improved.
According to the sewage treatment device provided by the embodiment of the invention, the heat pump system is arranged between the ecological filter tank system and the biochemical treatment system, and can heat sewage and send the sewage into the ecological filter tank system from the biochemical treatment system. And (3) sending the sewage from the biochemical treatment system to the ecological filter tank system through a heat pump system so as to further purify the sewage, and heating the sewage to the set temperature by the heat pump system when the energy converted by the solar energy is not enough to heat the sewage to the set temperature. The heating system mainly adopts electric heating, the heat pump system realizes heating through the work done by the compressor, more saves electric energy, and the heating system and the heat pump system are matched for use, so that the operating cost of sewage heating can be saved to the maximum extent.
The sewage treatment device provided by the embodiment of the invention further comprises a heat recovery system, wherein the heat recovery system comprises a heat exchanger and a heat energy conduction pipe, the heat exchanger is connected with the water outlet pipe, two ends of the heat energy conduction pipe are respectively connected with the heat exchanger and a water inlet pipe of the biochemical treatment system, and the heat exchanger is connected with a tail water pipe. The sewage is heated, and the heat recovery system recovers and utilizes the heat in the purified sewage for heating the unpurified sewage, so that the operating cost of sewage heating is further saved.
According to the sewage treatment device provided by the embodiment of the invention, the biochemical treatment system comprises the anaerobic tank, the aerobic tank, the anaerobic tank and the aerobic tank which are sequentially arranged, the sewage purification effect is ensured, and organic matters in the sewage are decomposed by microorganisms in the anaerobic tank and the aerobic tank.
According to the sewage treatment device provided by the embodiment of the invention, the ecological filter tank system comprises at least one filter tank, and the filter tanks are arranged in layers from top to bottom. The ecological filter system adopts a tower structure, and multi-stage filtration is adopted, so that the sewage purification effect is improved.
According to the sewage treatment device provided by the embodiment of the invention, the filtering tank is internally provided with the mixed soil layer, the fine sand layer, the ceramsite layer, the broken stone layer and the large stone layer which are sequentially arranged from top to bottom, and aquatic plants are planted on the mixed soil layer. The filter layers sequentially filter and purify sewage, the aquatic plants on the mixed soil layer can purify harmful elements such as nitrogen, phosphorus and the like in the sewage, and the heating system and the heat pump system also ensure that the aquatic plants can grow at a proper temperature and purify the sewage under higher activity.
According to the sewage treatment device provided by the embodiment of the invention, a plurality of water distribution pipes which are arranged in a staggered mode are arranged above the filtering tank, and a plurality of water outlet holes are formed in the surfaces of the water distribution pipes. Sewage is uniformly scattered and leaked above the filter layer through the water replenishing pipe, the utilization rate of the filter layer is improved, and the sewage filtering effect is improved.
According to the sewage treatment device provided by the embodiment of the invention, the bottom of the filtering tank is provided with a plurality of flushing pipes which are arranged in a staggered mode, and the surface of the pipeline of each flushing pipe is provided with a plurality of water outlet holes. The device is maintained, high-pressure water is introduced into the flushing pipe, the filtering layer is flushed, pollutants are cleaned, and the service lives of the device and the filtering layer are prolonged.
According to the sewage treatment device provided by the embodiment of the invention, the filtering tank comprises the filling module and the water diversion module, a partition plate is arranged in the filtering tank, the partition plate partitions the filtering tank to form the filling module and the water diversion module, a filtering layer is arranged in the filling module, a water seepage hole is formed in the bottom of the partition plate, and a water outlet is formed in the bottom or the side surface of the water diversion module. Filtered sewage enters the water regulating module from the water seepage hole of the partition plate and flows out from the water outlet of the water regulating module, so that the water outlet is prevented from being blocked by silt and pollutants.
According to the sewage treatment device provided by the embodiment of the invention, the baffle is arranged in the water transfer module and extends upwards from the bottom. The baffle further blocks partial silt, prevents to block up the delivery port of transferring water module, and silt subsides in the bottom, and behind the water level highly exceeded the baffle height, sewage flowed from the delivery port.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic structural view of a biochemical processing system according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a filtration tank according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of the structure of a water distribution pipe and a flushing pipe according to an embodiment of the present invention;
FIG. 5 is a schematic view showing the construction of a thermal insulation shed according to an embodiment of the present invention;
reference numerals: the biochemical treatment system 100, the ecological filter system 200, the heat preservation shed 300, the water outlet pipe 400, the heat pump system 500, the solar panel 600, the anaerobic tank 11, the aerobic tank 12, the water storage tank 13, the filter tank 20, the filler module 21, the water regulating module 22, the partition plate 23, the overflow port 24, the support 31, the heat preservation membrane 32, the moving wheel 33, the automatic voltage regulator 61, the storage battery 62, the heater 40, the heater 50, the heat exchanger 71, the heat energy conducting pipe 72, the tail water pipe 73, the water distribution pipe 80, the flushing pipe 90, the front valve 91, the rear valve 92, the mixed soil layer 211, the fine sand layer 212, the ceramsite layer 213, the crushed blue stone layer 214, the large blue stone layer 215, the baffle 221, the cleaning port 222 and the water seepage hole 231.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1, the sewage treatment apparatus according to the embodiment of the present invention includes a biochemical treatment system 100, an ecological filter system 200, a heating system, an energy supply system, and a thermal insulation shed 300. Wherein, biochemical treatment system 100 purifies sewage through the microorganism, and biochemical treatment system 100 is connected with the inlet tube, is equipped with the filter layer that filters sewage in the ecological filter system 200, and ecological filter system 200 passes through the pipe connection with biochemical treatment system 100, and sewage gets into ecological filter system 200 after biochemical treatment system 100, and ecological filter system 200 is connected with outlet pipe 400. The biochemical treatment system 100 and the ecological filter system 200 are arranged in the heat preservation shed 300. The heating system comprises a heater 40 and a heater 50, wherein the heater 40 is arranged in the heat preservation shed 300, the heater 50 is arranged in the biochemical treatment system 100, the heater 50 comprises a temperature sensor, and the energy supply system supplies electric energy to the heating system.
This sewage treatment plant, sewage passes through biochemical treatment system 100 and ecological filter system 200 in proper order, biochemical treatment system 100 is as the pretreatment module, purify sewage through the microorganism, ecological filter system 200 further filters sewage, improve sewage treatment effect, biochemical treatment system 100 and ecological filter system 200 locate in heat-preserving shed 300, heat-preserving shed 300 plays the heat preservation effect, when ambient temperature is lower, the environment temperature suitable in heat-preserving shed 300 can be guaranteed to the heater 40, heater 50 can guarantee that the water temperature in biochemical treatment system 100 is suitable, thereby make the microorganism purify sewage under higher activity, this device still can high-efficiently stably handle sewage under the lower condition of ambient temperature, the outstanding problem that rural sewage treatment effect is poor under the lower temperature condition in winter, it is difficult to reach emission standard is solved.
In the present embodiment, the power supply system includes a solar panel 600 and an automatic voltage regulator 61 connected to the solar panel 600, the automatic voltage regulator 61 connects the heater 40 and the heater 50, and the automatic voltage regulator 61 is connected to the battery 62. The solar energy is adopted to provide electric energy for the heating system, the operation cost of sewage heating can be saved, the electric energy converted from the solar energy is regulated by the automatic voltage regulator 61 and is transmitted to the storage battery 62, the heater 40 and the heater 50 according to the situation, and the utilization rate of the solar energy is improved. The solar energy is used for supplying energy, the heater 50 is used for regulating the temperature of water in the biochemical treatment system 100 (20-25 ℃), when the temperature is maintained in the temperature range, the energy converted from the solar energy is transmitted to the heater 40 through the automatic voltage regulator 61, the indoor temperature is increased, when the indoor temperature is maintained in the range of 25-30 ℃, the energy converted from the solar energy is stored in the storage battery 62, and the heater 40 and the heater 50 are supplied with energy in rainy days.
In this embodiment, a heat pump system 500 is disposed between the ecological filter system 200 and the biochemical treatment system 100, the heat pump system 500 includes a heat pump for heating wastewater and a water pump for delivering wastewater, and the heat pump system 500 can heat wastewater and send wastewater from the biochemical treatment system 100 to the ecological filter system 200. The heat pump system 500 heats the sewage to the set temperature when the energy converted by the solar energy is insufficient to heat the sewage to the set temperature. The heating system mainly adopts electric heating, the heat pump system 500 realizes heating by acting through the compressor, electric energy is saved more, and the heating system and the heat pump system 500 are matched for use, so that the operating cost of sewage heating can be saved to the maximum extent. The heat pump system 500 may be similarly connected to the battery 62.
In addition, the device is provided with a heat recovery system, the heat recovery system comprises a heat exchanger 71 and a heat energy conduction pipe 72 (heat pipe), the heat exchanger 71 is connected with the water outlet pipe 400, and two ends of the heat energy conduction pipe 72 are respectively connected with the heat exchanger 71 and the water inlet pipe of the biochemical treatment system 100. The heat exchanger 71 transfers the heat in the treated water body to the water inlet section through the heat energy transfer pipe 72, and preheats the water body. The heat exchanger 71 is also connected to a tail water pipe 73, and the tail water after heat recovery is discharged through the tail water pipe 73. The sewage is heated by the heating system, and the heat recovery system recovers and utilizes the heat in the purified sewage for heating the unpurified sewage, thereby further saving the operating cost of sewage heating and reducing the energy consumption.
Referring to fig. 2, the biochemical treatment system 100 includes an anaerobic tank 11, an aerobic tank 12, an anaerobic tank 11, and an aerobic tank 12, which are sequentially arranged, so as to ensure a sewage purification effect, organic matters in sewage are decomposed by microorganisms in the anaerobic tank 11 and the aerobic tank 12, a vertical hanging film is arranged in each of the anaerobic tank 11 and the aerobic tank 12, so as to increase a contact area between the microorganisms and the sewage, and a reservoir 13 is arranged at a tail end of the biochemical treatment system. It can be understood that different combinations, such as "anaerobic-aerobic-anaerobic", "aerobic-anaerobic-aerobic", "anaerobic-aerobic", etc., can be set according to the water pollution condition (concentration of nutrient salts, organic matters, etc.) and the water quality requirement of the effluent.
In this embodiment, the ecological filter system 200 includes at least one filter tank 20, and the filter tanks 20 are arranged in layers from top to bottom and connected in sequence, and are arranged in a single layer when there is only a single filter tank 20. The ecological filter system 200 adopts a tower structure and multi-stage filtration, so that the sewage purification effect is improved.
Referring to fig. 3, a mixed soil layer 211, a fine sand layer 212, a ceramsite layer 213, a broken bluestone layer 214 and a megalite layer 215 are sequentially arranged in the filter tank 20 from top to bottom. Wherein, aquatic plants such as calamus, canna, etc. are planted on the mixed soil layer 211. Plant planting suitable for water quality treatment is selected according to sewage components, and the attachment of microorganisms can be increased by the root systems of the plants, so that the water body infiltration is facilitated. The filter layers sequentially filter and purify sewage, the aquatic plants on the mixed soil layer 211 can purify harmful elements such as nitrogen and phosphorus in the sewage, and the heating system and the heat pump system 500 also ensure that the aquatic plants can grow at a proper temperature and purify the sewage at a high activity. Likewise, different combinations of filter layers may be provided as desired. In the embodiment, the thickness of each filter layer is 20cm, the fine sand layer 212 is quartz sand with the thickness of 0.2-0.5mm, the ceramsite layer 213 is made of iron-rich ceramsite, a layer of sand-blocking geotextile with water permeability is added between the fine sand layer 212 and the ceramsite layer 213, the particle size of the broken Qingke layer 214 is 2-4cm, and the particle size of the big Qingke layer 215 is 4-8 cm.
Referring to fig. 1 and 4, a plurality of criss-cross water distribution pipes 80 are disposed above the filtering tank 20, the water distribution pipes 80 are communicated with each other, and a plurality of water outlet holes are disposed on the pipe surface (mainly the lower surface) of each water distribution pipe 80. Sewage is uniformly scattered and leaked above the filter layer through the water replenishing pipe, the utilization rate of the filter layer is improved, and the sewage filtering effect is improved. The heat pump system 500 sends the sewage from the biochemical treatment system 100 to the water distribution pipe 80 of the top filtering tank 20, the sewage enters the filtering tank 20 through the water distribution pipe 80, is filtered by each filtering layer, then flows into the water distribution pipe 80 of the lower layer, and then enters the filtering tank 20 of the lower layer.
In addition, the bottom of the filtering tank 20 is provided with a plurality of flushing pipes 90 arranged in a staggered manner, and the surface (mainly the upper surface) of the pipeline of the flushing pipe 90 is provided with a plurality of water outlet holes. The device is maintained by passing high pressure water through the flushing pipe 90 to flush the filter layer, mainly the bottom crushed sapphire layer 214 and the bottom big sapphire layer 215, to clean the pollutants and prolong the service life of the device and the filter layer. The flushing pipe 90 is provided with a front valve 91 and a rear valve 92, when the device works normally, the front valve 91 is closed, the filter layer is opened when being flushed, and high-pressure water is connected; the rear valve 92 is closed when the device is operating normally and the filter layers are being flushed and is opened when the flush tube 90 is being flushed.
In this embodiment, the filtering tank 20 includes a filler module 21 and a water diversion module 22, a partition 23 is provided in the filtering tank 20, the partition 23 partitions the filtering tank 20 to form the filler module 21 and the water diversion module 22, each filter layer is provided in the filler module 21, a water seepage hole 231 is provided at the bottom of the partition 23, and a water outlet is provided at the bottom or the side of the water diversion module 22. Filtered sewage enters the water regulating module 22 from the water seepage hole 231 of the partition plate 23 and flows out from the water outlet of the water regulating module 22, so that the phenomenon that the water flow is unsmooth due to the fact that sediment and pollutants block the water outlet is avoided.
Further, a baffle 221 is arranged in the water adjusting module 22, and the baffle 221 extends upwards from the bottom to a certain height. The baffle 221 further blocks part of silt to prevent blocking the water outlet of the water regulating module 22, the silt settles at the bottom, and after the water level exceeds the height of the baffle 221, sewage flows out from the water outlet. The side of the water diversion module 22 can be provided with a cleaning port 222, the baffle 221 is removed, the water diversion module 22 is cleaned, and silt is discharged through the cleaning port 222.
The filtering tank 20 is provided at an upper portion thereof with an overflow port 24 for preventing a water level from exceeding the filtering tank 20, and the overflow port 24 is connected to the filtering tank 20 of the next stage.
Referring to fig. 5, the thermal insulation shed 300 comprises a support 31 and a thermal insulation film 32 fixed by the support 31, the thermal insulation film 32 is a colorless transparent film and has good light transmission, a moving wheel 33 is arranged at the bottom of the support 31, the thermal insulation shed 300 and the device can be integrally moved, and the cover or the opening shape can be selected according to the outside weather.
The sewage treatment device works as follows: the collected domestic sewage (or a sewage pond in front of a house and behind the house) enters a biochemical treatment system 100 of a pretreatment module through a water inlet pipe, a water body treated by an anaerobic-aerobic process enters a reservoir 13, and enters an ecological filter tank system 200 through a heat pump system 500; preheating sewage in a water inlet pipe section through a heat recovery system; then the energy is supplied by solar energy, the heater 50 regulates the temperature of the water body in the biochemical treatment system 100 (20-25 ℃), when the temperature is maintained in the temperature range, the energy converted by the solar energy is transmitted to the heater 40 through the automatic voltage regulator 61 to heat the indoor space, when the indoor temperature is maintained in the temperature range of 25-30 ℃, the energy converted by the solar energy is stored in the storage battery 62, and when the sewage temperature is lower, the energy can be heated by combining with the heat pump system 500; the sewage is sent into the water distribution pipe 80 of the filtering tank 20 at the top layer through the heat pump system 500, is uniformly scattered and leaked to the filler module 21, sequentially passes through the mixed soil layer 211, the fine sand layer 212, the ceramsite layer 213, the broken bluestone layer 214 and the megastone layer 215 for filtration, is collected to the water diversion module 22 from the seepage hole 231, enters the water distribution pipe 80 of the filtering tank 20 at the next stage through the water diversion module 22, repeatedly processes for 2-3 stages, flows out from the water diversion module 22 of the filtering tank 20 at the last stage, and is discharged from the tail water pipe 73 after the heat energy is recovered by the heat recovery system.
The sewage treatment device solves the outstanding problems that the rural sewage treatment effect is poor and the discharge standard is difficult to reach under the condition of lower temperature in winter, and the heating system, the heat pump system 500 and the heat recovery system are jointly used, so that the operating cost of sewage heating is saved to the maximum extent under the condition of ensuring and maintaining good activity temperature of microorganisms. Meanwhile, the combined treatment process of the contact oxidation pretreatment process and the multi-stage tower type filter tank can ensure that the sewage discharge standard can be stably achieved all the year round. The system has low overall operation and maintenance cost, low energy consumption and strong stability.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. A sewage treatment apparatus, comprising:
the biochemical treatment system purifies sewage through microorganisms and is connected with a water inlet pipe;
the system comprises an ecological filter tank system, a water inlet pipe, a water outlet pipe and a water outlet pipe, wherein a filter layer for filtering sewage is arranged in the ecological filter tank system, the ecological filter tank system is connected with the biochemical treatment system, and the ecological filter tank system is connected with the water inlet pipe;
the heat insulation shed, the biochemical treatment system and the ecological filter tank system are arranged in the heat insulation shed;
the heating system comprises a heater and a heater, the heater is arranged in the heat-insulating shed, and the heater is arranged in the biochemical treatment system; and
an energy supply system that provides electrical energy for the heating system.
2. The sewage treatment apparatus of claim 1, wherein: the energy supply system comprises a solar panel and an automatic voltage regulator connected with the solar panel, the automatic voltage regulator is connected with the heater and the heater, and the automatic voltage regulator is simultaneously connected with the storage battery.
3. The sewage treatment apparatus of claim 1, wherein: and a heat pump system is arranged between the ecological filter tank system and the biochemical treatment system, and can heat sewage and send the sewage into the ecological filter tank system from the biochemical treatment system.
4. The sewage treatment apparatus of claim 1, wherein: still include the heat recovery system, the heat recovery system includes heat exchanger and heat energy conduction pipe, the heat exchanger with go out water piping connection, the both ends of heat energy conduction pipe are connected respectively the heat exchanger with biochemical treatment system's inlet tube, the heat exchanger is connected with the draft tube.
5. The sewage treatment apparatus of claim 1, wherein: the biochemical treatment system comprises an anaerobic tank, an aerobic tank, an anaerobic tank and an aerobic tank which are arranged in sequence.
6. The sewage treatment apparatus according to any one of claims 1 to 5, wherein: the ecological filter tank system comprises at least one filter tank, and the filter tanks are arranged in a layered mode from top to bottom.
7. The sewage treatment apparatus of claim 6, wherein: the filter tank is internally provided with a mixed soil layer, a fine sand layer, a ceramsite layer, a broken stone layer and a large stone layer which are sequentially arranged from top to bottom, and aquatic plants are planted on the mixed soil layer.
8. The sewage treatment apparatus of claim 6, wherein: a plurality of water distribution pipes which are arranged in a staggered mode are arranged above the filtering tank, and a plurality of water outlet holes are formed in the surfaces of the pipelines of the water distribution pipes.
9. The sewage treatment apparatus of claim 6, wherein: the bottom of the filter tank is provided with a plurality of flushing pipes which are arranged in a staggered mode, and the surface of a pipeline of each flushing pipe is provided with a plurality of water outlet holes.
10. The sewage treatment apparatus of claim 6, wherein: the filter tank comprises a filler module and a water transfer module, a partition plate is arranged in the filter tank and used for separating the filter tank from the filler module and the water transfer module, a filter layer is arranged in the filler module, a water seepage hole is formed in the bottom of the partition plate, a water outlet is formed in the bottom or the side face of the water transfer module, a baffle is arranged in the water transfer module, and the baffle extends upwards from the bottom.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911240845.7A CN111039403A (en) | 2019-12-06 | 2019-12-06 | Sewage treatment device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911240845.7A CN111039403A (en) | 2019-12-06 | 2019-12-06 | Sewage treatment device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN111039403A true CN111039403A (en) | 2020-04-21 |
Family
ID=70235034
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201911240845.7A Pending CN111039403A (en) | 2019-12-06 | 2019-12-06 | Sewage treatment device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111039403A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114353899A (en) * | 2022-01-11 | 2022-04-15 | 大庆兴华天义石油钻采设备制造有限公司 | Special intelligent environment-friendly energy-saving type hot air heat preservation thawing liquid preparation and storage metering device for oil field |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101607775A (en) * | 2009-07-09 | 2009-12-23 | 南京大学 | Earthworm and ecological filter-denitrification bio-filter combined system is handled organic sewage technology |
CN102674631A (en) * | 2012-05-10 | 2012-09-19 | 复旦大学 | Method and system for advanced treatment of centralized rural domestic sewage |
CN203402966U (en) * | 2013-08-21 | 2014-01-22 | 环境保护部南京环境科学研究所 | Tower-type earthworm ecological filter pool with heating function |
CN205011477U (en) * | 2015-09-29 | 2016-02-03 | 河南寰宇环保科技有限公司 | Heat preservation type tower earthworm filtering pond |
CN106630135A (en) * | 2016-12-30 | 2017-05-10 | 南京理工大学 | UASB reactor system based on compression heat pump and method thereof |
CN107324618A (en) * | 2017-09-04 | 2017-11-07 | 西南科技大学 | The system and method for the Qinghai-Tibet cold and oxygen deficient slaughtering wastewater of processing |
CN207383042U (en) * | 2017-04-25 | 2018-05-22 | 吉林建筑大学 | A kind of Ecological Greenhouse and Farmland Structures |
CN108088299A (en) * | 2017-12-15 | 2018-05-29 | 张正乾 | Sewage treatment plant's Waste Heat Recovery utilizes cold operation method and system |
CN109028253A (en) * | 2018-07-11 | 2018-12-18 | 北京石油化工学院 | A kind of greenhouse solar energy heating system |
CN109987780A (en) * | 2017-12-29 | 2019-07-09 | 南京理工大学 | Garbage percolation liquid treating system and its technique based on sewage source heat pump technology |
CN209396978U (en) * | 2019-01-04 | 2019-09-17 | 美丽国土(北京)生态环境工程技术研究院有限公司 | Strengthen ecological Infiltration Treatment System |
CN211921024U (en) * | 2019-12-06 | 2020-11-13 | 上海复森环境科技发展有限公司 | Sewage treatment device |
-
2019
- 2019-12-06 CN CN201911240845.7A patent/CN111039403A/en active Pending
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101607775A (en) * | 2009-07-09 | 2009-12-23 | 南京大学 | Earthworm and ecological filter-denitrification bio-filter combined system is handled organic sewage technology |
CN102674631A (en) * | 2012-05-10 | 2012-09-19 | 复旦大学 | Method and system for advanced treatment of centralized rural domestic sewage |
CN203402966U (en) * | 2013-08-21 | 2014-01-22 | 环境保护部南京环境科学研究所 | Tower-type earthworm ecological filter pool with heating function |
CN205011477U (en) * | 2015-09-29 | 2016-02-03 | 河南寰宇环保科技有限公司 | Heat preservation type tower earthworm filtering pond |
CN106630135A (en) * | 2016-12-30 | 2017-05-10 | 南京理工大学 | UASB reactor system based on compression heat pump and method thereof |
CN207383042U (en) * | 2017-04-25 | 2018-05-22 | 吉林建筑大学 | A kind of Ecological Greenhouse and Farmland Structures |
CN107324618A (en) * | 2017-09-04 | 2017-11-07 | 西南科技大学 | The system and method for the Qinghai-Tibet cold and oxygen deficient slaughtering wastewater of processing |
CN108088299A (en) * | 2017-12-15 | 2018-05-29 | 张正乾 | Sewage treatment plant's Waste Heat Recovery utilizes cold operation method and system |
CN109987780A (en) * | 2017-12-29 | 2019-07-09 | 南京理工大学 | Garbage percolation liquid treating system and its technique based on sewage source heat pump technology |
CN109028253A (en) * | 2018-07-11 | 2018-12-18 | 北京石油化工学院 | A kind of greenhouse solar energy heating system |
CN209396978U (en) * | 2019-01-04 | 2019-09-17 | 美丽国土(北京)生态环境工程技术研究院有限公司 | Strengthen ecological Infiltration Treatment System |
CN211921024U (en) * | 2019-12-06 | 2020-11-13 | 上海复森环境科技发展有限公司 | Sewage treatment device |
Non-Patent Citations (2)
Title |
---|
杨进怀 主编: "《生态清洁小流域建设技术》", 31 August 2018, 中国水利水电出版社, pages: 56 - 57 * |
王惠中 等著: "《垃圾渗滤液处理技术及工程示范》", 31 January 2009, 河海大学出版社, pages: 82 - 83 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114353899A (en) * | 2022-01-11 | 2022-04-15 | 大庆兴华天义石油钻采设备制造有限公司 | Special intelligent environment-friendly energy-saving type hot air heat preservation thawing liquid preparation and storage metering device for oil field |
CN114353899B (en) * | 2022-01-11 | 2022-11-25 | 南阳市中达石油设备有限公司 | Special intelligent environment-friendly energy-saving type hot air heat preservation thawing liquid preparation and storage metering device for oil field |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2021253637A1 (en) | A/o-mbbr process-based integrated sewage treatment device and sewage treatment method | |
CN110171906B (en) | Drainage-type rare earth mine tail water treatment system and treatment process | |
CN101381155B (en) | Bio-ecological combination method for effluent purification and reclamation and apparatus | |
CN208617622U (en) | A kind of basin-wide rare-earth mining area tail water filtration process coupled system | |
CN101781060A (en) | Composite artificial marsh sewage treatment system | |
CN111253012B (en) | Domestic sewage treatment system and treatment process of high-load percolation coupling system | |
CN110563142A (en) | MABR sewage treatment tank, MABR sewage treatment system and using method thereof | |
CN110668575A (en) | Full-automatic efficient nitrogen and phosphorus removal tidal flow constructed wetland and use method thereof | |
CN110790382A (en) | Modularized micro-power equipment for treating rural domestic sewage and method thereof | |
CN107216004B (en) | Domestic sewage treatment system and method | |
CN103332788A (en) | Multi-stage anaerobic-aerobic combined nitrogen and phosphorus removing device and method for rural domestic sewage | |
CN211921024U (en) | Sewage treatment device | |
CN109879546A (en) | A kind of dispersant type domestic wastewater processing system and treatment process | |
CN212609832U (en) | Series-connection backflow enhanced denitrification constructed wetland | |
CN111039403A (en) | Sewage treatment device | |
CN209668893U (en) | Embedded bypass oxygenation constructed wetland system for sewage treatment | |
CN111253019A (en) | MABR (moving average biofilm reactor) rural sewage ecological treatment method | |
KR100874854B1 (en) | Ground source heat pump system for heating and cooling combined advanced wastewater treatment system | |
CN211999376U (en) | Rural sewage ecological management device system of MABR | |
CN203582651U (en) | Silk reeling wastewater advanced treatment device | |
CN107840455B (en) | Village and town sewage treatment integrated device and treatment method | |
CN205099555U (en) | From clear aeration integrated constructed wetland sewage treatment system that declines | |
CN108394995A (en) | A kind of modified form A/O-MBR integrated apparatus and its sewage water treatment method | |
CN113772890B (en) | Sewage treatment system and treatment method based on AO-MBBR-inductively coupled filter tank | |
CN220245775U (en) | Ecological wetland system suitable for rural domestic sewage treatment |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |