CN210481120U - Automatic sewage purification device that flows back of mud - Google Patents
Automatic sewage purification device that flows back of mud Download PDFInfo
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- CN210481120U CN210481120U CN201920408866.4U CN201920408866U CN210481120U CN 210481120 U CN210481120 U CN 210481120U CN 201920408866 U CN201920408866 U CN 201920408866U CN 210481120 U CN210481120 U CN 210481120U
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- tank
- stirrer
- overflowing hole
- sewage purification
- automatic
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- 239000010865 sewage Substances 0.000 title claims abstract description 66
- 238000000746 purification Methods 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000010802 sludge Substances 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 229910001385 heavy metal Inorganic materials 0.000 claims description 31
- 238000005273 aeration Methods 0.000 claims description 14
- 238000001179 sorption measurement Methods 0.000 claims description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 12
- 239000001301 oxygen Substances 0.000 claims description 12
- 229910052760 oxygen Inorganic materials 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 10
- 238000004062 sedimentation Methods 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000007711 solidification Methods 0.000 claims description 7
- 230000008023 solidification Effects 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 230000001276 controlling effect Effects 0.000 claims description 5
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 4
- 239000000292 calcium oxide Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 206010021143 Hypoxia Diseases 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000003756 stirring Methods 0.000 abstract description 4
- 238000003892 spreading Methods 0.000 abstract description 2
- 230000001737 promoting effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 16
- 150000002500 ions Chemical class 0.000 description 15
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 238000005842 biochemical reaction Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 230000007483 microbial process Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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Abstract
The utility model discloses a sewage purification device with automatic sludge backflow, which firstly identifies the information of a liquid level sensor through a control device and controls the switches of corresponding electromagnetic valves on a feeding pipe and a drainage pipe, thereby achieving the purposes of automatic water supply, automatic drainage and cost reduction; have the utility model discloses the low-pressure region that the back formed when ingenious utilization inslot dive agitator operation to open the discharge orifice in the low-pressure region position, utilize the agitator to realize the automatic backward flow and the stirring of sewage mud to the drive effect of rivers and mix, when promoting the denitrification, can also improve sewage purification efficiency. The utility model is not only simple in structure, convenient operation, activated sludge is automatic to flow back moreover to cancel the use of backward flow water pump, reduce cost, and sewage purification efficiency is high, has market application and spreading value.
Description
Technical Field
The utility model belongs to the technical field of the environmental protection equipment, especially, relate to an use sewage treatment plant of activated sludge method as the main part, more specifically say so and relate to an automatic sewage purification device that flows back of mud.
Background
In A2O sludgeIn the water treatment process, the device is generally composed of three tank bodies with different characteristics of anaerobic property, anoxic property and aerobic property. Wherein the tank body which does not contain dissolved oxygen and nitrate nitrogen is an anaerobic zone, the tank body which does not contain dissolved oxygen but contains nitrate nitrogen is an anoxic zone, and the zone which leads the oxygen content in water to reach more than 1.0mg/L through aeration is an aerobic zone. And the requirement of dissolved oxygen in the sewage treatment process determines that oxygen can not be filled in anoxic and anaerobic areas, so that a stirrer is required to stir the water body in order to prevent the activated sludge from precipitating at the bottom of the tank.
In the stirring process by using the stirrer, because denitrification is finished in the anoxic zone and nitrate nitrogen is generated in the aerobic zone, the denitrification process can be finished by refluxing the nitrate nitrogen generated in the aerobic zone to the anoxic zone, and because the anoxic zone is positioned before the aerobic zone and the water level of the anoxic zone is slightly higher than that of the aerobic zone, the nitrification liquid is required to be lifted by a water pump to be refluxed from the aerobic zone to the anoxic zone. The flow rate of the return flow of the nitrified liquid is generally 100-300% of the inlet water, and the large-flow return flow consumes a large amount of energy, so that the flow rate is A at the present stage2In the sewage treatment process, a novel backflow scheme is urgently required to reduce the energy consumption of the part.
In addition, although current small-size sewage purification device mostly adopts the aeration mode to degrade through the organic matter in the aerobic microbial process to sewage, with organic matter pollutant and ammonia nitrogen of removal aquatic, because anaerobism or the regional mechanical stirring and the mud backflow equipment that do not usually of oxygen deficiency, and there is very big flow blind spot, anaerobic microorganism is difficult to effective performance utilization, so that ammonia nitrogen and total nitrogen get rid of the effect not good, and the oxygen utilization ratio is low and the aeration rate is big in the aerobic zone, not only low to organic matter degradation ability, and the energy consumption is high, be not suitable for industrial popularization and application.
Moreover, the activated sludge process is adopted to treat sewage, the period from biochemical reaction to purification and discharge of sewage can be completed within 12 hours, and the electrical control part is manually completed, so that the sewage treatment efficiency is influenced, and the cost is high.
Therefore, how to provide an automatic sludge backflow sewage purification device with simple structure, simple operation and high sewage treatment efficiency is a problem that needs to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an automatic sewage purification device that flows back of mud.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an automatic sludge return sewage purification device, comprising: an inner cylinder and an outer cylinder; a water inlet groove is formed in the inner cylinder; the space between the inner cylinder and the outer cylinder is sequentially divided into an anoxic tank, an anaerobic tank, an aerobic tank, a sedimentation tank and an adjusting tank by partition boards; a feeding pipe is arranged inside the water inlet tank, and an overflow weir is arranged at the top of the water inlet tank; a drain pipe is arranged at the bottom of the adjusting groove; further comprising: the device comprises a control device, a stirrer, an overflowing hole, a liquid level sensor and a pH value detection device; the liquid level sensor is respectively arranged in the water inlet tank and the adjusting tank, the pH value detection device is arranged in the adjusting tank, and the liquid level sensor and the pH value detection device are respectively and electrically connected with the control device;
the overflowing hole is positioned on the partition plate and is used for communicating the anoxic tank, the anaerobic tank, the aerobic tank, the sedimentation tank and the regulating tank;
the stirrer comprises a first stirrer, a second stirrer and a third stirrer; the first stirrer is arranged inside the anoxic tank, and a first overflowing hole is formed in the back of the first stirrer; the second stirrer is arranged inside the anaerobic tank, and a second overflowing hole is formed in the back of the second stirrer; the third stirrer is arranged in the settling tank, and the back of the third stirrer is provided with a third overflowing hole;
an elastic packing layer and an aeration pipe are arranged in the aerobic tank; the aeration pipe is arranged at the bottom of the aerobic tank and is communicated with an external air inlet pipe; the elastic filler layer is fixedly arranged inside the aerobic tank through a support bracket;
the baffle between the oxygen-poor tank and the anaerobic tank is a heavy metal ion curing plate, and the baffle between the anaerobic tank and the aerobic tank is a heavy metal suspended substance adsorption plate.
By adopting the technical scheme, the beneficial effects of the utility model are as follows:
the utility model mainly passes through A2The sewage treatment process achieves the aim of purifying sewage, wherein the control device identifies the information of the liquid level sensor, controls the switches of corresponding electromagnetic valves on the feeding pipe and the drainage pipe and further controls the volume of the sewage in the tank so as to achieve the optimal purification treatment effect; on the other hand, the control device can also identify the information of the pH value detection device, so as to adjust the pH value of the water in the adjusting tank, so that the pH value meets the prerequisite condition of secondary utilization, and the water is further utilized by plant growth to protect cultivated land. Through the setting of above-mentioned structure not only realize the automatic water supply and the process of automatic drainage of sewage, sewage treatment efficiency is high moreover, has reduced manufacturing cost.
Additionally, the utility model discloses the ingenious low-pressure area that utilizes the interior dive agitator operation back to form to open the discharge orifice in the low-pressure area position, utilize the agitator to realize the automatic backward flow of sewage mud to the drive effect of rivers.
Furthermore, the aeration pipe is arranged at the bottom of the aerobic tank, so that the purpose of deep aeration is achieved, and the concentration of oxygen in sewage is further improved; and the arrangement of the elastic packing layer enables bubbles generated in the sewage treatment process to be continuously cut in the rising process, which is beneficial to water-gas mass transfer and greatly improves the utilization rate of oxygen.
Preferably, in the above automatic sludge recirculation sewage purification apparatus, further comprising: a feed distributor and a solenoid valve; the feeding distributor is arranged at one end of the feeding pipe, and the other end of the feeding pipe is connected with the water inlet; the inlet pipe the intake pipe the drain pipe is equipped with respectively the solenoid valve, just the solenoid valve with controlling means electric connection.
Through the technical scheme, the utility model discloses a technological effect: the utility model discloses well feed distributor's design can realize the purpose that evenly distributed intake.
Preferably, in the above automatic sewage purification device for sludge recirculation, the water inlet tank is connected to the anoxic tank through the overflow weir, and a water outlet of the overflow weir faces the anoxic tank.
Preferably, in the above automatic sludge recirculation sewage purification apparatus, the first overflowing hole, the second overflowing hole and the third overflowing hole are located on the partition plate, the first overflowing hole enables the anoxic tank to be communicated with the anaerobic tank, the second overflowing hole enables the anaerobic tank to be communicated with the aerobic tank, and the third overflowing hole enables the sedimentation tank to be communicated with the regulating tank.
It should be noted that the utility model discloses a gate is all installed to overflow hole department, just the gate with controlling means electric connection controls the gate switch size through controlling means and how much in order to adjust the flow of sewage.
Preferably, in above-mentioned automatic sewage purification device that flows back of mud, the inside mixture of calcium oxide and ferric trichloride that fills of heavy metal ion solidified plate, just the stainless steel perforated plate is adopted along two faces of rivers flow direction to heavy metal ion solidified plate.
Preferably, in above-mentioned automatic sewage purification device that flows back of mud, the inside active carbon that fills of heavy metal suspended solid adsorption plate, just the stainless steel perforated plate is adopted along two faces of rivers flow direction to heavy metal suspended solid adsorption plate.
Through the technical scheme, the utility model discloses a technological effect: the utility model discloses according to the principle that heavy metal ion in the sewage is very easily solidified under basicity and the ferric trichloride condition, calcium oxide in the heavy metal ion solidified plate, ferric trichloride combine the solidification with the heavy metal ion in the sewage to adsorb the heavy metal suspended solid that the solidification produced through heavy metal suspended solid adsorption plate.
According to the technical scheme, compared with the prior art, the utility model discloses an automatic sewage purification device that flows back of mud has following beneficial effect:
1. the utility model sequentially passes through the heavy metal ion curing plate and the heavy metal suspended matter adsorption plate to cure and adsorb heavy metal ions in sewage, thereby not only improving the sewage purification efficiency, but also further precipitating the treated sewage, not only efficiently degrading the heavy metal ions in the sewage, but also recovering the heavy metal ions with reduced activity; and the pH value of the water to be discharged after treatment and purification is regulated by the regulating tank for secondary utilization, so as to protect cultivated land.
2. The elastic packing layer and the aeration pipe of the utility model are arranged to improve the content of dissolved oxygen in the aerobic tank, thereby improving the purification efficiency.
3. The utility model overcomes current tradition A2The O process has the defect that nitrification liquid needs to flow back through a water pump, skillfully utilizes a low-pressure area formed on the back when a submersible stirrer in the tank runs, and opens an overflowing hole at the position of the low-pressure area, and utilizes the driving action of the stirrer on water flow to realize the automatic backflow of sewage and sludge.
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 view of the automatic sludge backflow sewage purification device of the present invention.
FIG. 2 is a schematic diagram of the internal structure of the aerobic tank of the present invention.
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.
The embodiment of the utility model discloses automatic sewage purification device that flows back of mud, not only simple structure, convenient operation, the automatic backward flow of activated sludge moreover to cancel the use of backward flow water pump, reduce cost, and sewage purification is efficient, has market application and spreading value.
Referring to the attached figure 1, the embodiment of the utility model discloses an automatic sewage purification device that flows back of mud specifically includes:
an inner cylinder and an outer cylinder; the inner part of the inner cylinder is provided with a water inlet tank 1; the space between the inner cylinder and the outer cylinder is divided into an anoxic tank 2, an anaerobic tank 3, an aerobic tank 4, a sedimentation tank 5 and an adjusting tank 6 by partition plates in sequence; a feed pipe 7 is arranged inside the water inlet tank 1, and an overflow weir 8 is arranged at the top of the water inlet tank 1; the bottom of the adjusting groove 6 is provided with a drain pipe 9; further comprising: the device comprises a control device, a stirrer, an overflowing hole 11, a liquid level sensor and a pH value detection device; the liquid level sensor is respectively arranged inside the water inlet tank 1 and the adjusting tank 6, the pH value detection device is arranged inside the adjusting tank 6, and the liquid level sensor and the pH value detection device are respectively and electrically connected with the control device;
the overflowing hole 11 is positioned on the partition board, and the anoxic tank 2, the anaerobic tank 3, the aerobic tank 4, the sedimentation tank 5 and the regulating tank 6 are communicated with each other through the overflowing hole 11;
the stirrer comprises a first stirrer 12, a second stirrer 13 and a third stirrer 14; the stirrer I12 is arranged inside the anoxic tank 2, and the back of the stirrer I12 is provided with a through hole I15; the second stirrer 13 is arranged inside the anaerobic tank 3, and the back of the second stirrer 13 is provided with a second overflowing hole 16; the third stirrer 14 is arranged in the sedimentation tank 5, and the back of the third stirrer 14 is provided with a third overflowing hole 17;
an elastic packing layer 18 and an aeration pipe 19 are arranged in the aerobic tank 4; the aeration pipe 19 is arranged at the bottom of the aerobic tank 4, and the aeration pipe 19 is communicated with an external air inlet pipe 20; the elastic filler layer 18 is fixedly arranged inside the aerobic tank 4 through a support bracket 21;
the clapboard between the anoxic tank 2 and the anaerobic tank 3 is a heavy metal ion curing plate 10, and the clapboard between the anaerobic tank 3 and the aerobic tank 4 is a heavy metal suspended substance adsorption plate 22.
In order to further optimize the technical scheme, the sewage purification device also comprises a feeding distributor 23 and an electromagnetic valve; the feeding distributor 23 is arranged at one end of the feeding pipe 7, and the other end of the feeding pipe 7 is connected with the water inlet; the feeding pipe 7, the air inlet pipe 20 and the water discharging pipe 9 are respectively provided with an electromagnetic valve, and the electromagnetic valves are electrically connected with the control device.
In order to further optimize the technical scheme, the water inlet tank 1 is connected with the oxygen-deficient tank 2 through the overflow weir 8, and the water outlet of the overflow weir 8 faces the oxygen-deficient tank 2.
In order to further optimize the technical scheme, the first overflowing hole 15, the second overflowing hole 16 and the third overflowing hole 17 are positioned on the partition plate, the first overflowing hole 15 enables the anoxic tank 2 to be communicated with the anaerobic tank 3, the second overflowing hole 16 enables the anaerobic tank 3 to be communicated with the aerobic tank 4, and the third overflowing hole 17 enables the sedimentation tank 5 to be communicated with the regulating tank 6.
In order to further optimize the technical scheme, the heavy metal ion curing plate 10 is filled with a mixture of calcium oxide and ferric trichloride, and stainless steel porous plates are adopted on two surfaces of the heavy metal ion curing plate 10 along the flow direction of water flow.
In order to further optimize the above technical solution, activated carbon is filled in the heavy metal suspended substance adsorption plate 22, and stainless steel porous plates are adopted on two surfaces of the heavy metal suspended substance adsorption plate 22 along the flow direction of the water flow.
The utility model discloses an automatic sewage purification device that flows back of mud, the theory of operation as follows:
the utility model discloses automatic sewage backflow sewage purification device is in the course of the work, and mainly used sewage treatment at first accomplishes the pouring into of sewage through the solenoid valve of controlling means control inlet pipe department during operation, and pending sewage loops through the inside that inlet pipe, feeding distributor poured into the feed chute into to flow into the inside of oxygen deficiency groove, anaerobism groove and aerobic tank in proper order through the overflow launder, through A2The sewage is purified by the sewage treatment process, and the adsorption and solidification of heavy metal ions in the sewage are realized by the sewage through the heavy metal ion solidification plate and the heavy metal suspension adsorption plate in the process, so that the aim of improving the sewage purification efficiency is fulfilled; then the treated sewage is sequentially treatedAnd (4) recovering the precipitate in the precipitation tank and adjusting the pH value condition of the tank, so that the wastewater is finally discharged after reaching the standard.
Wherein, the utility model discloses the low-pressure region that the back formed when utilizing the inslot dive agitator operation to open the discharge orifice in the low-pressure region position, utilize the agitator to realize sewage sludge's automatic backward flow to the drive effect of rivers, mix with the stirring of realization to mud and sewage, promoted the denitrification, and then improve sewage purification efficiency.
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. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
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 (6)
1. An automatic sludge return sewage purification device, comprising: an inner cylinder and an outer cylinder; a water inlet groove (1) is formed in the inner cylinder; the space between the inner cylinder and the outer cylinder is sequentially divided into an anoxic tank (2), an anaerobic tank (3), an aerobic tank (4), a sedimentation tank (5) and an adjusting tank (6) by partition plates; a feeding pipe (7) is arranged inside the water inlet tank (1), and an overflow weir (8) is arranged at the top of the water inlet tank (1); a drain pipe (9) is arranged at the bottom of the adjusting groove (6); it is characterized by also comprising: the device comprises a control device, a stirrer, an overflowing hole (11), a liquid level sensor and a pH value detection device; the liquid level sensor is respectively arranged inside the water inlet tank (1) and the adjusting tank (6), the pH value detection device is arranged inside the adjusting tank (6), and the liquid level sensor and the pH value detection device are respectively electrically connected with the control device;
the overflowing hole (11) is positioned on the partition plate, and the overflowing hole (11) is used for communicating the anoxic tank (2), the anaerobic tank (3), the aerobic tank (4), the sedimentation tank (5) and the regulating tank (6) with each other;
the stirrer comprises a first stirrer (12), a second stirrer (13) and a third stirrer (14); the stirrer I (12) is arranged inside the anoxic tank (2), and the back of the stirrer I (12) is provided with a through hole I (15); the second stirrer (13) is arranged inside the anaerobic tank (3), and the back of the second stirrer (13) is provided with a second overflowing hole (16); the third stirrer (14) is arranged inside the settling tank (5), and the back of the third stirrer (14) is provided with a third overflowing hole (17);
an elastic packing layer (18) and an aeration pipe (19) are arranged in the aerobic tank (4); the aeration pipe (19) is arranged at the bottom of the aerobic tank (4), and the aeration pipe (19) is communicated with an external air inlet pipe (20); the elastic filler layer (18) is fixedly arranged inside the aerobic tank (4) through a support bracket (21);
the oxygen deficiency groove (2) with baffle between the anaerobism groove (3) is heavy metal ion solidification board (10), anaerobism groove (3) with baffle between the good oxygen groove (4) is heavy metal suspended solid adsorption plate (22).
2. The automatic sludge recirculation sewage purification device according to claim 1, further comprising: a feed distributor (23) and a solenoid valve; the feeding distributor (23) is arranged at one end of the feeding pipe (7), and the other end of the feeding pipe (7) is connected with a water inlet; the inlet pipe (7), intake pipe (20) drain pipe (9) are equipped with respectively the solenoid valve, just the solenoid valve with controlling means electric connection.
3. The automatic sludge recirculation sewage purification device according to claim 1, wherein the water inlet tank (1) is connected to the anoxic tank (2) through the overflow weir (8), and the water outlet of the overflow weir (8) faces the anoxic tank (2).
4. The sewage purifying apparatus with automatic sludge recirculation according to claim 1, wherein the first overflowing hole (15), the second overflowing hole (16) and the third overflowing hole (17) are all located on the partition, the first overflowing hole (15) enables the anoxic tank (2) to communicate with the anaerobic tank (3), the second overflowing hole (16) enables the anaerobic tank (3) to communicate with the aerobic tank (4), and the third overflowing hole (17) enables the sedimentation tank (5) to communicate with the regulation tank (6).
5. The automatic sludge backflow sewage purification device according to claim 1, wherein the heavy metal ion solidification plate (10) is filled with a mixture of calcium oxide and ferric trichloride, and stainless steel porous plates are adopted on two surfaces of the heavy metal ion solidification plate (10) along the flow direction of water flow.
6. The automatic sludge backflow sewage purification device according to claim 1, wherein activated carbon is filled inside the heavy metal suspended matter adsorption plate (22), and stainless steel porous plates are adopted on two surfaces of the heavy metal suspended matter adsorption plate (22) along the flow direction of water flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201920408866.4U CN210481120U (en) | 2019-03-28 | 2019-03-28 | Automatic sewage purification device that flows back of mud |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920408866.4U CN210481120U (en) | 2019-03-28 | 2019-03-28 | Automatic sewage purification device that flows back of mud |
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| CN210481120U true CN210481120U (en) | 2020-05-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111943387A (en) * | 2020-09-07 | 2020-11-17 | 安徽清扬水处理设备科技有限公司 | Domestic sewage purification device |
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2019
- 2019-03-28 CN CN201920408866.4U patent/CN210481120U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111943387A (en) * | 2020-09-07 | 2020-11-17 | 安徽清扬水处理设备科技有限公司 | Domestic sewage purification device |
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