CN113213708A - Rural domestic sewage treatment device - Google Patents
Rural domestic sewage treatment device Download PDFInfo
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- CN113213708A CN113213708A CN202110608880.0A CN202110608880A CN113213708A CN 113213708 A CN113213708 A CN 113213708A CN 202110608880 A CN202110608880 A CN 202110608880A CN 113213708 A CN113213708 A CN 113213708A
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- pipe
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- tank cavity
- shell
- backflow
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- 239000010865 sewage Substances 0.000 title claims abstract description 29
- 238000006243 chemical reaction Methods 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000004062 sedimentation Methods 0.000 claims abstract description 25
- 238000005273 aeration Methods 0.000 claims abstract description 12
- 238000003756 stirring Methods 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims description 24
- 239000002689 soil Substances 0.000 claims description 12
- 239000007921 spray Substances 0.000 claims description 10
- 239000012716 precipitator Substances 0.000 claims description 9
- 239000010802 sludge Substances 0.000 claims description 9
- 238000010992 reflux Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 5
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 16
- 239000007788 liquid Substances 0.000 description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 238000001556 precipitation Methods 0.000 description 7
- 206010021143 Hypoxia Diseases 0.000 description 6
- 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 6
- 230000001546 nitrifying effect Effects 0.000 description 5
- 241000894006 Bacteria Species 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 239000003814 drug Substances 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
-
- 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
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
-
- 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
- C02F2303/14—Maintenance of water treatment installations
-
- 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
- C02F3/308—Biological phosphorus removal
Abstract
The invention discloses a rural domestic sewage treatment device which comprises a shell, wherein a landscape filter tank is arranged at the upper end of the shell, an anoxic tank cavity, a reaction tank cavity, an anaerobic tank cavity and a sedimentation cavity are respectively arranged in the shell, the anaerobic tank cavity is connected with the anoxic tank cavity through a plurality of first communicating pipes, the reaction tank cavity is connected with the sedimentation cavity through a plurality of second communicating pipes, the anoxic tank cavity is connected with the reaction tank cavity through a communicating pipe, a water inlet pipe is arranged at the left side of the shell, the right end of the water inlet pipe extends to the bottom space of the anaerobic tank cavity, and the bottom space of the landscape filter tank is communicated with the outside through a water outlet pipe. The device can integrate a biochemical treatment method and a physical treatment method into one device, reduces the occupied area, effectively reduces the investment and the occupied area while meeting the requirement of sewage treatment, enhances the landscape effect, realizes aeration and stirring operation by only using one motor, and reduces the energy consumption.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a rural domestic sewage treatment device.
Background
Sewage treatment is a process for purifying sewage to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage, is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and increasingly enters the daily life of common people;
the existing aeration equipment in the rural domestic sewage device is usually driven by an air blower, the added medicine and sewage are stirred by a stirrer driven by a motor when liquid medicine is stirred, a large amount of energy is consumed, and the existing device needs a very complicated purification link, so that the occupied area of the device is large, the investment cost is increased, and the popularization of the sewage treatment device is influenced.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a rural domestic sewage treatment device.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a rural domestic sewage treatment device, includes the casing, the upper end of casing is equipped with view filter tank, be equipped with oxygen deficiency pond chamber, reaction tank chamber, anaerobism pond chamber and sedimentation chamber in the casing respectively, anaerobism pond chamber links to each other through a plurality of first communicating pipes with oxygen deficiency pond chamber, reaction tank chamber and sedimentation chamber link to each other through a plurality of second communicating pipes, oxygen deficiency pond chamber links to each other through the conducting pipe with the reaction tank chamber, the inlet tube is installed in the left side of casing, the right-hand member of inlet tube extends the bottom space in anaerobism pond chamber, view filter tank bottom space is linked together through outlet pipe and external world, oxygen deficiency pond chamber and reaction tank intracavity all are equipped with rabbling mechanism, be equipped with on the casing with rabbling mechanism matched with aeration mechanism, be equipped with backward flow mechanism in the casing.
Preferably, rabbling mechanism is including rotating the first rotation pipe of connection at oxygen deficiency pond intracavity top, the interior top in reaction pond chamber is rotated and is connected with the second rotation pipe, all install the agitator on first rotation pipe and the second rotation pipe, all fixed cover is equipped with the drive wheel on first rotation pipe and the second rotation pipe, two the drive wheel passes through the drive belt and links to each other, be equipped with in the casing and supply drive belt driven transmission chamber, the upper end fixed connection riser of casing, the motor is installed on the right side of riser, fixed cover is equipped with first gear on the output shaft of motor, the upper end of first rotation pipe runs through the upper end of casing and fixed cover is equipped with the second gear, first gear and second gear intermeshing.
Preferably, the aeration mechanism comprises a rotating rod rotatably connected to the upper end of the housing, a third gear is installed at the upper end of the rotating rod, the second gear is meshed with the third gear, an upper end fixed connection installation block of the third gear is provided, an installation box is installed at the upper end of the housing, a piston plate is slidably connected in the installation box, a spring is fixedly connected to the right end of the piston plate, the right end of the spring is fixedly connected with the inner wall of the installation box, a connecting rod is rotatably connected to the installation block, the right end of the connecting rod penetrates through the left side wall of the installation box and is rotatably connected with the left side of the piston plate, an air inlet pipe and an air outlet pipe are installed at the right side of the installation box, the left ends of the air inlet pipe and the air outlet pipe both extend into the installation box, check valves are installed on the air inlet pipe and the air outlet pipe, two branch pipes are installed at the right end of the air outlet pipe, the upper ends of the first rotating pipe and the second rotating pipe penetrate through the upper end of the shell and are provided with rotary joints, and the ends, far away from the air outlet pipe, of the branch pipes are connected with the corresponding rotary joints respectively.
Preferably, the backflow mechanism is including installing the first backflow pump of bottom in the reaction tank cavity, first backflow pipe is installed to the delivery port of first backflow pump, the one end that first backflow pump was kept away from to first backflow pipe extends to the oxygen deficiency pond intracavity, the second backflow pump is installed to the interior bottom of sedimentation chamber, the second backflow pipe is installed to the delivery port of second backflow pump, the one end that the second backflow pump was kept away from to the second backflow pipe extends to the anaerobism pond intracavity.
Preferably, the lower ends of the first rotating pipe and the second rotating pipe are provided with connecting pipes, the upper ends of the two connecting pipes are provided with a plurality of spray heads, and the left side wall and the right side wall of the first stirrer on the left side are provided with auxiliary rods.
Preferably, the mounting panel is installed to the view filter tank inslot, be equipped with a plurality of through-holes on the mounting panel, be equipped with cobble and soil on the mounting panel, the sedimentation chamber is connected through third communicating pipe with view filter tank, install the solenoid valve on the third communicating pipe, the left end of third communicating pipe extends to in the soil.
Preferably, the inner wall material in view filter tank groove adopts anticorrosive carbon steel, every the nozzle of shower nozzle is atomizing nozzle, electric mixer is installed to anaerobism pond intracavity bottom, install the pipe chute precipitator in the precipitation chamber, install the mud funnel in the precipitation chamber, the mud funnel is located the below of pipe chute precipitator, the second backwash pump is located the mud funnel.
Preferably, the view filter tank is a cylindrical tank, two feed inlets are arranged at the upper end of the shell, and the lower ends of the two feed inlets are respectively connected with the top spaces of the corresponding reaction tank cavity and the corresponding precipitation cavity.
Compared with the prior art, the device has the advantages that:
1. according to the invention, by arranging the stirring mechanism, the liquid in the anoxic tank cavity and the liquid in the reaction tank cavity can be driven by the motor to be uniformly stirred, so that the aeration effect in the anoxic tank is improved, meanwhile, the water in the reaction tank is fully reacted with the added nitrifying liquid, and the sewage purification effect is improved.
2. According to the invention, by arranging the reflux mechanism, redundant nitrified liquid in the reaction tank cavity can be guided into the anoxic tank cavity through the first reflux pump and the second reflux pump, sludge in the sedimentation cavity can be guided into the anaerobic tank cavity, the nitrified liquid contains nitrate nitrogen generated by oxidizing ammonia nitrogen by nitrifying bacteria, and the nitrate nitrogen can be mixed with organic matters in inlet water in the anaerobic tank or the anoxic tank after flowing back to the front end, and denitrification of the nitrate nitrogen is carried out by denitrifying bacteria, so that total nitrogen removal is realized, the removal of the organic matters is ensured, and meanwhile, the device has the effects of nitrogen and phosphorus removal.
3. The invention can plant landscape plants on the soil by arranging the mounting plate, the pebbles, the soil and other structures, thereby increasing the landscape effect.
Drawings
FIG. 1 is a schematic structural view of a rural domestic sewage treatment device provided by the invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is a cross-sectional view of FIG. 1;
FIG. 4 is a sectional view taken along line B-B of FIG. 3;
fig. 5 is a perspective view of the mounting plate.
In the figure: 1 shell, 2 water inlet pipes, 3 vertical plates, 4 motors, 5 anoxic tank cavities, 6 reaction tank cavities, 7 anaerobic tank cavities, 8 sedimentation cavities, 9 landscape filter tank, 10 first reflux pumps, 11 first reflux pipes, 12 second reflux pumps, 13 second reflux pipes, 14 water outlet pipes, 15 mounting plates, 16 transmission belts, 17 conduction pipes, 18 stirrers, 19 connecting pipes, 20 spray heads, 21 first rotation pipes, 22 second rotation pipes, 23 rotary joints, 24 first gears, 25 second gears, 26 rotation rods, 27 third gears, 28 mounting blocks, 29 mounting boxes, 30 connecting rods, 31 springs, 32 piston plates, 33 air inlet pipes, 34 air outlet pipes, 35 branch pipes, 36 electromagnetic valves, 37 electric stirrers, 38 inclined pipe precipitators, 39 auxiliary rods and 40 sludge funnels.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, a rural domestic sewage treatment device comprises a housing 1, a landscape filtering tank 9 is arranged at the upper end of the housing 1, an anoxic tank cavity 5, a reaction tank cavity 6, an anaerobic tank cavity 7 and a sedimentation cavity 8 are respectively arranged in the housing 1, the anaerobic tank cavity 7 is connected with the anoxic tank cavity 5 through a plurality of first communicating pipes, the reaction tank cavity 6 is connected with the sedimentation cavity 8 through a plurality of second communicating pipes, the first communicating pipes, the second communicating pipes and the communicating pipes 17 are as shown in fig. 1, the anoxic tank cavity 5 is connected with the reaction tank cavity 6 through the communicating pipes 17, a water inlet pipe 2 is arranged at the left side of the housing 1, the right end of the water inlet pipe 2 extends to the bottom space of the anaerobic tank cavity 7, an electric mixer 37 is arranged at the bottom of the anaerobic tank cavity 7, liquid in the anaerobic tank 7 can be mixed through the electric mixer 37, an inclined pipe precipitator 38 is arranged in the sedimentation cavity 8, the design of the inclined pipe precipitator 38 can improve the sedimentation efficiency, the inclined tube precipitator 38 is positioned in the middle of the precipitation cavity 8 as shown in fig. 3, the bottom space of the internal view filter tank 9 is communicated with the outside through a water outlet pipe 14, sewage enters the device through a water inlet pipe 2 for water purification, the purified water is led out through the water outlet pipe 14 after being purified, the inner wall of the view filter tank 9 is made of anti-corrosion carbon steel, the service life of the device is prolonged, the view filter tank 9 is a cylindrical tank, two feed inlets are formed in the upper end of the shell 1, the lower ends of the two feed inlets are respectively connected with the top spaces of the corresponding reaction tank cavity 6 and the corresponding precipitation cavity 8, the feed inlets can introduce nitrified liquid into the reaction tank cavity 6, add a medicament into the precipitation cavity 8, and accelerate the precipitation efficiency;
according to the invention, stirring mechanisms are respectively arranged in an oxygen-deficient tank cavity 5 and a reaction tank cavity 6, each stirring mechanism comprises a first rotating pipe 21 which is rotatably connected to the inner top of the oxygen-deficient tank cavity 5, the inner top of the reaction tank cavity 6 is rotatably connected with a second rotating pipe 22, stirrers 18 are respectively arranged on the first rotating pipe 21 and the second rotating pipe 22, driving wheels are respectively fixedly sleeved on the first rotating pipe 21 and the second rotating pipe 22, the two driving wheels are connected through a driving belt 16, a driving cavity for driving the driving belt 16 is arranged in a shell 1, the upper end of the shell 1 is fixedly connected with a vertical plate 3, a motor 4 is arranged on the right side of the vertical plate 3, a first gear 24 is fixedly sleeved on an output shaft of the motor 4, the upper end of the first rotating pipe 21 penetrates through the upper end of the shell 1 and is fixedly sleeved with a second gear 25, and the first gear 24 and the second gear 25 are mutually meshed;
when the motor 4 is started, the first gear 24 on the output shaft of the motor 4 is driven to rotate, the first rotating pipe 21 is driven to rotate due to the mutual meshing of the first gear 24 and the second gear 25, the first rotating pipe 21 and the second rotating pipe 22 are linked through the transmission belt 16, the first rotating pipe 21 and the second rotating pipe 22 synchronously rotate, the two stirrers 18 are driven to stir the liquid in the anoxic tank cavity 5 and the liquid in the reaction tank cavity 6 respectively, the liquid in the reaction tank cavity 6 can fully react with the nitrified liquid, and the water purification effect of the device is improved;
in the invention, an aeration mechanism matched with a stirring mechanism is arranged on a shell 1, the aeration mechanism comprises a rotating rod 26 rotatably connected at the upper end of the shell 1, a third gear 27 is arranged at the upper end of the rotating rod 26, a second gear 25 is meshed with the third gear 27, an installation block 28 is fixedly connected at the upper end of the third gear 27, an installation box 29 is arranged at the upper end of the shell 1, a piston plate 32 is connected in the installation box 29 in a sliding manner, a spring 31 is fixedly connected at the right end of the piston plate 32, the right end of the spring 31 is fixedly connected with the inner wall of the installation box 29, a connecting rod 30 is rotatably connected on the installation block 28, the right end of the connecting rod 30 penetrates through the left side wall of the installation box 29 and is rotatably connected with the left side of the piston plate 32, an air inlet pipe 33 and an air outlet pipe 34 are arranged at the right side of the installation box 29, the left ends of the air inlet pipe 33 and the air outlet pipe 34 extend into the installation box 29, one-way valves are arranged on the air inlet pipe 33 and the air outlet pipe 34, the one-way valve on the air inlet pipe 33 only supplies external air to enter the mounting box 29, the one-way valve on the air outlet pipe 34 only supplies air in the mounting box 29 to be led into the two branch pipes 35, the two branch pipes 35 are installed at the right end of the air outlet pipe 34, the upper ends of the first rotating pipe 21 and the second rotating pipe 22 both penetrate through the upper end of the shell 1 and are provided with rotary joints 23, one ends, far away from the air outlet pipe 34, of the two branch pipes 35 are respectively connected with the corresponding rotary joints 23, the lower ends of the first rotating pipe 21 and the second rotating pipe 22 are both provided with connecting pipes 19, the upper ends of the two connecting pipes 19 are both provided with a plurality of spray heads 20, the spray nozzles of each spray head 20 are atomizing spray nozzles, the left side wall and the right side wall of the first stirrer 18 on the left side are both provided with auxiliary rods 39, and the stirring effect on objects in the anoxic pond cavity 5 can be improved;
when the motor 4 is started, the second gear 25 rotates, because the second gear 25 is meshed with the third gear 27, the third gear 27 rotates and drives the mounting block 28 to rotate, when the mounting block 28 moves leftwards, the connecting rod 30 drives the piston plate 32 to move leftwards, so that outside air enters the mounting box 29 through the air inlet pipe 33, when the mounting block 28 moves rightwards, the connecting rod 30 drives the piston plate 32 to move rightwards, so that air in the mounting box 29 is led into the branch pipe 35 through the air outlet pipe 34, then is led into the corresponding first rotating pipe 21 and the second rotating pipe 22 through the two rotary joints 23, and finally is ejected out of the spray head 20 through the two connecting pipes 19, because the first rotating pipe 21 and the second rotating pipe 22 drive the corresponding connecting pipes 19 to rotate, so that the ejected air is more uniform, and the aeration effect of the device is improved;
in the invention, a backflow mechanism is arranged in a shell 1, the backflow mechanism comprises a first backflow pump 10 arranged at the bottom in a reaction tank cavity 6, a first backflow pipe 11 is arranged at the water outlet of the first backflow pump 10, one end, far away from the first backflow pump 10, of the first backflow pipe 11 extends into an anoxic tank cavity 5, a second backflow pump 12 is arranged at the bottom in a sedimentation cavity 8, a second backflow pipe 13 is arranged at the water outlet of the second backflow pump 12, one end, far away from the second backflow pump 12, of the second backflow pipe 13 extends into the anaerobic tank cavity 7, a sludge funnel 40 is arranged in the sedimentation cavity 8, the sludge funnel 40 is positioned below an inclined pipe precipitator 38, and the second backflow pump 12 is positioned in the sludge funnel 40, so that the second backflow pump 12 can perform backflow conveniently;
nitrifying liquid in the reaction tank cavity 6 can be guided into the anoxic tank cavity 5 through the first backflow pipe 11 by starting the first backflow pump 10, sludge in the sedimentation cavity 8 can be guided into the anaerobic tank cavity 7 through the second backflow pipe 13 by starting the second backflow pump 12, and the nitrifying liquid contains nitrate nitrogen generated by oxidizing ammonia nitrogen by nitrifying bacteria, and the nitrate nitrogen can be mixed with organic matters in inlet water in the anaerobic tank or the anoxic tank after flowing back to the front end, and the denitrification of the nitrate nitrogen is carried out by denitrifying bacteria, so that total nitrogen removal is realized, and the device has the effects of nitrogen and phosphorus removal while the removal of the organic matters is ensured;
the mounting plate 15 is mounted in the landscape filter tank 9, a plurality of through holes are formed in the mounting plate 15, pebbles and soil are arranged on the mounting plate 15, the sedimentation chamber 8 is connected with the landscape filter tank 9 through a third communicating pipe, an electromagnetic valve 36 is mounted on the third communicating pipe, the electromagnetic valve 36 can open a pipeline through electricity, water in the sedimentation chamber 8 is led into the landscape filter tank 9, a storage battery and a control mechanism which are connected with the electromagnetic valve 36 are not shown in the figure, the device for controlling the electromagnetic valve 36 is the prior art, and is not described herein any more, the left end of the third communicating pipe extends into the soil, after the electromagnetic valve 36 is opened, the water can pass through the soil and pebbles with different sizes, the physical water inlet effect is achieved, the water inlet effect of the device is improved, and landscape plants can be planted on the soil;
when the device is used, sewage is led in through the water inlet pipe 2, then the motor 4 is started to drive the first gear 24 on the output shaft of the motor 4 to rotate, the first rotating pipe 21 rotates due to the mutual meshing of the first gear 24 and the second gear 25, the first rotating pipe 21 and the second rotating pipe 22 are linked through the transmission belt 16, so that the first rotating pipe 21 and the second rotating pipe 22 synchronously rotate to drive the two stirrers 18 to stir the liquid in the anoxic tank cavity 5 and the liquid in the reaction tank cavity 6 respectively;
because the second gear 25 and the third gear 27 are meshed with each other, the third gear 27 rotates and drives the mounting block 28 to rotate, when the mounting block 28 moves leftwards, the connecting rod 30 drives the piston plate 32 to move leftwards, so that the outside air enters the mounting box 29 through the air inlet pipe 33, when the mounting block 28 moves rightwards, the connecting rod 30 drives the piston plate 32 to move rightwards, the air in the mounting box 29 is led into the branch pipe 35 through the air outlet pipe 34, then is led into the corresponding first rotating pipe 21 and the second rotating pipe 22 through the two rotary joints 23, and finally is ejected out of the spray head 20 through the two connecting pipes 19, and because the first rotating pipe 21 and the second rotating pipe 22 drive the corresponding connecting pipes 19 to rotate, the ejected air is more uniform, and the aeration effect of the device is improved;
after the water is kept still in the sedimentation cavity 8 for a period of time, the electromagnetic valve 36 is opened, the water can pass through soil and pebbles with different sizes, the physical water inlet effect is achieved, the water inlet effect of the device is improved, and landscape plants can be planted on the soil; the device can integrate a biochemical treatment method and a physical treatment method into one device, so that the occupied area is reduced, the investment and the occupied area are effectively reduced while the sewage treatment is met, the landscape effect is enhanced, and meanwhile, the aeration and stirring operation is realized by only using one motor 4, so that the energy consumption is reduced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The rural domestic sewage treatment device comprises a shell (1) and is characterized in that a landscape filter tank (9) is arranged at the upper end of the shell (1), an anoxic tank cavity (5), a reaction tank cavity (6), an anaerobic tank cavity (7) and a sedimentation cavity (8) are arranged in the shell (1) respectively, the anaerobic tank cavity (7) is connected with the anoxic tank cavity (5) through a plurality of first communicating pipes, the reaction tank cavity (6) and the sedimentation cavity (8) are connected through a plurality of second communicating pipes, the anoxic tank cavity (5) is connected with the reaction tank cavity (6) through a communicating pipe (17), an inlet pipe (2) is installed at the left side of the shell (1), the right end of the inlet pipe (2) extends to the bottom space of the anaerobic tank cavity (7), the bottom space of the landscape filter tank (9) is communicated with the outside through an outlet pipe (14), and stirring mechanisms are arranged in the anoxic tank cavity (5) and the reaction tank cavity (6), the aeration mechanism matched with the stirring mechanism is arranged on the shell (1), and the backflow mechanism is arranged in the shell (1).
2. The rural domestic sewage treatment device according to claim 1, wherein the stirring mechanism comprises a first rotating pipe (21) rotatably connected to the inner top of the anoxic tank cavity (5), the inner top of the reaction tank cavity (6) is rotatably connected with a second rotating pipe (22), the first rotating pipe (21) and the second rotating pipe (22) are both provided with a stirrer (18), the first rotating pipe (21) and the second rotating pipe (22) are both fixedly sleeved with a driving wheel, the two driving wheels are connected through a driving belt (16), a transmission cavity for driving the driving belt (16) is arranged in the shell (1), the upper end of the shell (1) is fixedly connected with a vertical plate (3), the right side of the vertical plate (3) is provided with a motor (4), the output shaft of the motor (4) is fixedly sleeved with a first gear (24), the upper end of the first rotating pipe (21) penetrates through the upper end of the shell (1) and is fixedly sleeved with a second gear (25), and the first gear (24) and the second gear (25) are meshed with each other.
3. The rural domestic sewage treatment device according to claim 2, wherein the aeration mechanism comprises a rotating rod (26) rotatably connected to the upper end of the housing (1), a third gear (27) is installed at the upper end of the rotating rod (26), the second gear (25) is meshed with the third gear (27), an upper end of the third gear (27) is fixedly connected with a mounting block (28), a mounting box (29) is installed at the upper end of the housing (1), a piston plate (32) is slidably connected with the mounting box (29), a spring (31) is fixedly connected to the right end of the piston plate (32), the right end of the spring (31) is fixedly connected with the inner wall of the mounting box (29), a connecting rod (30) is rotatably connected to the mounting block (28), and the right end of the connecting rod (30) penetrates through the left side wall of the mounting box (29) and is rotatably connected with the left side of the piston plate (32), intake pipe (33) and outlet duct (34) are installed to the right side of mounting box (29), the left end of intake pipe (33) and outlet duct (34) all extends to in mounting box (29), all install the check valve on intake pipe (33) and outlet duct (34), two bleeder (35) are installed to the right-hand member of outlet duct (34), the upper end of casing (1) is all run through and swivel joint (23) are installed to the upper end of first rotating pipe (21) and second rotating pipe (22), two the one end that outlet duct (34) were kept away from in bleeder (35) links to each other with swivel joint (23) that correspond respectively.
4. The rural domestic sewage treatment device according to claim 3, wherein the backflow mechanism comprises a first backflow pump (10) installed at the bottom in the reaction tank cavity (6), a first backflow pipe (11) is installed at a water outlet of the first backflow pump (10), one end of the first backflow pipe (11) far away from the first backflow pump (10) extends into the anoxic tank cavity (5), a second backflow pump (12) is installed at the bottom in the sedimentation cavity (8), a second backflow pipe (13) is installed at a water outlet of the second backflow pump (12), and one end of the second backflow pipe (13) far away from the second backflow pump (12) extends into the anaerobic tank cavity (7).
5. The rural domestic sewage treatment device according to claim 1, wherein the lower ends of the first rotating pipe (21) and the second rotating pipe (22) are respectively provided with a connecting pipe (19), the upper ends of the two connecting pipes (19) are respectively provided with a plurality of spray heads (20), and the left and right side walls of the first stirrer (18) positioned on the left side are respectively provided with an auxiliary rod (39).
6. The rural domestic sewage treatment device according to claim 1, wherein a mounting plate (15) is installed in the landscape filter tank (9), a plurality of through holes are formed in the mounting plate (15), pebbles and soil are arranged on the mounting plate (15), the sedimentation chamber (8) is connected with the landscape filter tank (9) through a third communicating pipe, a solenoid valve (36) is installed on the third communicating pipe, and the left end of the third communicating pipe extends into the soil.
7. The rural domestic sewage treatment device of claim 5, wherein the inner wall of the landscape filtering tank (9) is made of anticorrosive carbon steel, each nozzle of the spray head (20) is an atomizing nozzle, an electric stirrer (37) is installed at the bottom in the anaerobic tank cavity (7), an inclined tube precipitator (38) is installed in the sedimentation cavity (8), a sludge funnel (40) is installed in the sedimentation cavity (8), the sludge funnel (40) is located below the inclined tube precipitator (38), and the second reflux pump (12) is located in the sludge funnel (40).
8. The rural domestic sewage treatment device according to claim 1, wherein the landscape filter tank (9) is a cylindrical tank, the upper end of the housing (1) is provided with two feed inlets, and the lower ends of the two feed inlets are respectively connected with the top spaces of the corresponding reaction tank cavity (6) and the corresponding sedimentation cavity (8).
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