CN111747603A - Sewage source sewage treatment system and method for treating domestic sewage - Google Patents
Sewage source sewage treatment system and method for treating domestic sewage Download PDFInfo
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- 239000010865 sewage Substances 0.000 title claims abstract description 265
- 238000011282 treatment Methods 0.000 title claims abstract description 133
- 238000000034 method Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 238000004062 sedimentation Methods 0.000 claims abstract description 29
- 238000000855 fermentation Methods 0.000 claims abstract description 28
- 230000004151 fermentation Effects 0.000 claims abstract description 28
- 238000001914 filtration Methods 0.000 claims abstract description 19
- 238000000746 purification Methods 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 241001148471 unidentified anaerobic bacterium Species 0.000 claims description 22
- 239000002002 slurry Substances 0.000 claims description 19
- 238000003756 stirring Methods 0.000 claims description 16
- 239000012629 purifying agent Substances 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 11
- 239000012528 membrane Substances 0.000 claims description 8
- 238000001223 reverse osmosis Methods 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000001954 sterilising effect Effects 0.000 claims description 3
- 238000004659 sterilization and disinfection Methods 0.000 claims description 2
- 239000010802 sludge Substances 0.000 claims 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 13
- 241000220317 Rosa Species 0.000 abstract description 9
- 230000036983 biotransformation Effects 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 12
- 238000005096 rolling process Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
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- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
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- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
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- 238000000605 extraction Methods 0.000 description 1
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- 230000006872 improvement Effects 0.000 description 1
- 238000011221 initial treatment Methods 0.000 description 1
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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
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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
- C02F1/00—Treatment of water, waste water, or sewage
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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
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- 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
- C02F2001/007—Processes including a sedimentation step
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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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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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
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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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
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
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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
- C02F2303/00—Specific treatment goals
- C02F2303/20—Prevention of biofouling
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2866—Particular arrangements for anaerobic reactors
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
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- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
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Abstract
The invention discloses a sewage source sewage treatment system and a sewage source sewage treatment method for treating domestic sewage, and relates to the technical field of sewage treatment. Including the sedimentation tank, the inlet tube, the rose box, anaerobe biological fermentation pond, handle the case, purifying box and play water pump, the fixed inlet tube that is used for getting into domestic sewage that is provided with in one side of sedimentation tank, the opposite side of sedimentation tank is provided with the rose box that is used for domestic sewage filtration treatment through source sewage drainage branch pipe one is fixed, one of rose box is provided with the anaerobe biological fermentation pond that is used for receiving filth thick liquid through two fixed being provided with of blow off pipe, the opposite side of rose box is provided with the processing case that is used for domestic sewage purification treatment through two fixed being provided with of source sewage drainage branch pipe. The sewage source sewage treatment system and the sewage source sewage treatment method for treating the domestic sewage improve the biotransformation rate of the organic sewage, reduce the construction investment cost of water resource recycling facilities, improve the treatment efficiency of the domestic sewage and have better market popularization value.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a sewage source sewage treatment system and a sewage source sewage treatment method for treating domestic sewage.
Background
At present, sewage treatment generated by human activities is developed to a centralized sewage treatment system that primary treatment discharge water of a residential septic tank is delivered to a sewage treatment plant through an urban sewage drainage pipe network, treatment reaches the standard and then is discharged to rivers, but the investment of facilities of the centralized sewage treatment system is huge, so that not only is heavy construction investment pressure caused to related enterprises, but also large-scale municipal construction of the centralized sewage treatment system forms heavy financial burden of governments, and the construction of urban environment protection facilities cannot keep pace with the development of urban construction all the time due to the huge financial pressure and huge engineering quantity formed by the construction of the facilities of the centralized sewage treatment system. The centralized sewage treatment system has the advantages that due to the excessive concentration of sewage, the scale improvement of the quality of the effluent water from the sewage treatment becomes extremely difficult while the huge construction investment of a drainage net is added,
the existing centralized processing system comprises the following defects: the septic tank and the methane tank are used for simple filtration treatment at the sewage source to form long-time hydraulic retention, so that the putrefaction degree and the putrefaction solubility of the organic matters in the water body are increased; the septic tank and the methane tank overflow water to cause a great deal of heat loss and the density reduction of anaerobic biological flora, and the biotransformation efficiency of organic matters is influenced; the green land resources cannot be effectively utilized to carry out ecological cycle type water treatment; the sewage treatment plant occupies a large area, has high equipment requirement, and has difficult standard-reaching effluent quality, so the use effect is general.
Disclosure of Invention
In view of the deficiencies of the prior art, the present invention provides a sewage treatment system and a sewage treatment method for treating domestic sewage, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a sewage source sewage treatment system for treating domestic sewage comprises a sedimentation tank, a water inlet pipe, a filter box, an anaerobic bacteria biological fermentation tank, a treatment box, a purification box and a water outlet pump, wherein the water inlet pipe for entering the domestic sewage is fixedly arranged at one side of the sedimentation tank, the filter box for filtering the domestic sewage is fixedly arranged at the other side of the sedimentation tank through a source sewage drainage branch pipe I, the anaerobic bacteria biological fermentation tank for receiving sewage slurry is fixedly arranged at one side of the filter box through a drain pipe II, the treatment box for purifying the domestic sewage is fixedly arranged at the other side of the filter box through a source sewage drainage branch pipe II, the purification box for purifying the domestic sewage is fixedly arranged at the bottom of the treatment box through a water pipe, a connecting pipe is fixedly arranged at one side of the purification box, and the water outlet pump is fixedly arranged at one end of the connecting pipe, and the output end of the water outlet pump is fixedly provided with a water outlet pipe.
Further optimize this technical scheme, the bottom of sedimentation tank is provided with valve one through the pipeline is fixed, the fixed blow off pipe one that is provided with of output of valve one, and blow off pipe one sets up for the slope.
Further optimize this technical scheme, the both sides at sedimentation tank top are all fixed and are provided with motor one, the output of motor one is provided with the rolling wheel through the pivot, the rolling wheel is provided with primary filter screen through the stay cord transmission.
Further optimize this technical scheme, the middle part activity of rose box is provided with the mount, the inside fixedly connected with meticulous filter screen of mount, the fixed handle that is provided with in top of mount.
Further optimize this technical scheme, one side activity overlap joint of meticulous filter screen bottom has the mud guide, the mud guide is kept away from one side of meticulous filter screen and the inner wall fixed connection of rose box, the slope of mud guide sets up.
Further optimize this technical scheme, the fixed motor two that is provided with in top of handling the case, the fixed pivot that runs through and extend to handling incasement portion that is provided with of output shaft of motor two, the fixed surface of pivot is provided with the stirring leaf, and staggers the setting from top to bottom in stirring leaf both sides, it is provided with the feed liquor pipe to handle the roof portion.
Further optimize this technical scheme, the inside of handling the case is provided with the reverse osmosis membrane that is located the stirring leaf below, the fixed valve two that is provided with in bottom of handling the case, valve two.
Further optimize this technical scheme, fixed mounting has water pump one on the source sewage drainage branch pipe, fixed mounting has water pump two on the source sewage drainage branch pipe two.
Further optimize this technical scheme, all be provided with the valve on water pipe and the connecting pipe.
A sewage source sewage treatment method for treating domestic sewage is characterized by comprising the following steps:
s1, respectively constructing a sewage source sewage treatment system at each residence point by adopting a distributed treatment mode, wherein the sewage source sewage treatment system is the sewage source sewage treatment system as claimed in any one of the claims;
s2, domestic sewage enters the sedimentation tank through the water inlet pipe, the primary filter screen is used for filtering treatment, when the primary filter screen needs to be cleaned regularly, the first motor is used for driving the winding wheel to rotate, the pull rope is wound, the primary filter screen is driven to move upwards, and the primary filter screen can be cleaned in time;
s3, conveying the primarily filtered sewage to the filter box through the water pump I and the matching source sewage drainage branch pipe I, performing secondary filtration treatment on the domestic sewage through the fine filter screen, taking the fixing frame and the fine filter screen out of the top of the filter box by the extraction handle when the fine filter screen needs to be cleaned regularly, and facilitating the regular cleaning treatment of the fine filter screen,
s4, discharging the sewage slurry at the bottom of the sedimentation tank into an anaerobic bacteria biological fermentation tank through a first sewage discharge pipe, discharging the sewage slurry at the bottom of the filter box into the anaerobic bacteria biological fermentation tank through a second sewage discharge pipe, and performing anaerobic bacteria biological fermentation treatment on the sewage slurry to generate methane;
s5, conveying the sewage filtered by the filter box into a treatment box through a second matching source sewage drainage branch pipe of a water pump and a second sewage purifying agent, adding the sewage purifying agent into the treatment box through a liquid inlet pipe, driving a stirring blade on the surface of a rotating shaft to rotate by using a second motor, fully reflecting the sewage purifying agent and the domestic sewage, purifying the domestic sewage, and purifying the domestic sewage again by using a reverse osmosis membrane;
s6, the treated sewage enters a purifying box for sterilization treatment, and the sterilized water is discharged by matching a water outlet pipe through a water outlet pump, so that the treatment of domestic sewage is completed,
Compared with the prior art, the invention provides a sewage source sewage treatment system and a sewage source sewage treatment method for treating domestic sewage, and the sewage source sewage treatment system and the sewage source sewage treatment method have the following beneficial effects:
1. the sewage source sewage treatment system and the sewage source sewage treatment method for treating the domestic sewage improve the biotransformation rate of the organic sewage, reduce the construction investment cost of water resource recycling facilities, improve the treatment efficiency of the domestic sewage, are beneficial to operation and use, and have better market popularization value.
2. This sewage source sewage treatment system and processing method that carry out treatment to domestic sewage, domestic sewage utilize primary filter screen to carry out filtration treatment in entering into the sedimentation tank through the inlet tube, reach the purpose that the physics purified, when regularly needing to clear up primary filter screen, utilize a motor to drive the rolling wheel and rotate, get up the stay cord rolling, and then drive primary filter screen upward movement, be convenient for in time clear up simple structure primary filter screen.
3. The sewage source sewage treatment system and the sewage source sewage treatment method for treating the domestic sewage discharge sewage slurry to the anaerobic bacteria biological fermentation tank, and the sewage slurry is subjected to anaerobic bacteria biological fermentation treatment to generate methane, so that the waste resource is utilized.
4. According to the sewage source sewage treatment system and method for treating the domestic sewage, the sewage purifying agent is added into the treatment box through the liquid inlet pipe, the stirring blades on the surface of the rotating shaft are driven to rotate by the motor II, so that the sewage purifying agent and the domestic sewage are favorably fully reflected, the treatment box is intermittently, regularly and periodically stirred by the motor in a circulating mode, and the treatment efficiency of the domestic sewage is improved.
5. According to the sewage source sewage treatment system and method for treating domestic sewage, organic sewage slurry enters the anaerobic bacteria biological fermentation tank, so that the effective volume rate of a source sewage biochemical treatment facility is greatly improved, the facility construction quality is ensured, and the investment of target engineering in the construction of an environmental protection project is reduced.
Drawings
FIG. 1 is a schematic structural view in a vertical direction of a constituent structure of a sewage source sewage treatment system and a sewage source sewage treatment method for treating domestic sewage according to the present invention;
FIG. 2 is a schematic structural view of a sewage source sewage treatment system and a sewage source sewage treatment method for treating domestic sewage according to the present invention in a horizontal direction;
FIG. 3 is a schematic structural diagram of a sedimentation tank of the sewage source sewage treatment system and the sewage source sewage treatment method for treating domestic sewage according to the present invention;
FIG. 4 is a schematic structural diagram of a filter box of a sewage source sewage treatment system and a sewage source sewage treatment method for treating domestic sewage according to the present invention;
fig. 5 is a schematic structural view of a purification tank of the sewage source sewage treatment system and method for treating domestic sewage according to the present invention.
In the figure: 1. a sedimentation tank; 11. a first motor; 12. a winding wheel; 13. pulling a rope; 14. a primary filter screen; 15. a first valve; 16. a first sewage discharge pipe; 17. a first source sewage drainage branch pipe; 18. a first water pump; 2. a water inlet pipe; 3. a filter box; 31. a fixed mount; 32. fine filtering net; 33. a handle; 34. a mud guide plate; 35. a second source sewage drainage branch pipe; 36. a second water pump; 37. a second sewage discharge pipe; 4. an anaerobic bacteria biological fermentation tank; 5. a treatment tank; 51. a second motor; 52. a liquid inlet pipe; 53. a rotating shaft; 54. stirring blades; 55. a reverse osmosis membrane; 56. a second valve; 57. a water pipe; 6. a purification box; 7. a connecting pipe; 8. discharging the water pump; 9. and (5) discharging a water pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
please refer to fig. 1-5: a sewage source sewage treatment system for treating domestic sewage comprises a sedimentation tank 1, a water inlet pipe 2, a filter box 3, an anaerobic bacteria biological fermentation tank 4, a treatment tank 5, a purification tank 6 and a water outlet pump 8, and is characterized in that one side of the sedimentation tank 1 is fixedly provided with the water inlet pipe 2 for entering the domestic sewage, the water inlet pipe 2 is provided with a water valve, the other side of the sedimentation tank 1 is fixedly provided with the filter box 3 for filtering the domestic sewage through a source sewage drainage branch pipe 17, one side of the filter box 3 is fixedly provided with the anaerobic bacteria biological fermentation tank 4 for receiving sewage slurry through a drain pipe two 37, the drain pipe two 37 is obliquely arranged, the obliquely arranged drain pipe two 37 is favorable for discharging the sewage slurry, the drain pipe two 37 is provided with the water valve, the other side of the filter box 3 is fixedly provided with the treatment tank 5 for purifying the domestic sewage through a source sewage drainage branch pipe two 35, the fixed purifying box 6 that is used for domestic sewage purification treatment that is provided with of bottom that handles case 5 leads to pipe 57, the inside of purifying box 6 is provided with sterilamp and active carbon filtration (belongs to prior art means, does not show in the picture), the fixed connecting pipe 7 that is provided with in one side of purifying box 6, the fixed water pump 8 that is provided with of one end of connecting pipe 7, the fixed outlet pipe 9 that is provided with of output of water pump 8.
As the specific optimization scheme of this embodiment, the fixed valve 15 that is provided with of pipeline is passed through to the bottom of sedimentation tank 1, the fixed blow off pipe 16 that is provided with of output of valve 15, and blow off pipe 16 sets up for the slope, and the slope sets up blow off pipe 16 and does benefit to the discharge of filth thick liquid to anaerobe biological fermentation tank 4, carries out anaerobe biological fermentation with filth thick liquid and handles, produces marsh gas, reaches waste resources's utilization.
As the specific optimization scheme of this embodiment, the both sides at 1 top of sedimentation tank are all fixed and are provided with motor 11, motor 11's output is provided with rolling wheel 12 through the pivot, rolling wheel 12 is provided with primary filter screen 14 through stay cord 13 transmission, and domestic sewage enters into sedimentation tank 1 through inlet tube 2, utilizes primary filter screen 14 to carry out filtration treatment, reaches the purpose that the physics purifies, when regularly needing to clear up primary filter screen 14, utilizes motor 11 to drive rolling wheel 12 and rotates, rolls up stay cord 13, and then drives primary filter screen 14 upward movement, is convenient for in time clear up primary filter screen 14.
As the specific optimization scheme of this embodiment, the middle part activity of rose box 3 is provided with mount 31, the inside fixedly connected with fine filter screen 32 of mount 31, the fixed handle 33 that is provided with in top of mount 31, one side activity overlap joint of fine filter screen 32 bottom has mud guide plate 34, the mud guide plate 34 is kept away from one side of fine filter screen 32 and is connected with the inner wall fixed connection of rose box 3, mud guide plate 34 inclines to set up, fine filter screen 32 can carry out secondary filtration processing to domestic sewage, when regularly needing to clear up fine filter screen 32, draw handle 33 and take out mount 31 and fine filter screen 32 from the top of rose box 3, do benefit to regularly to carry out the clearance processing to fine filter screen 32, mud guide plate 34 inclines to set up and does benefit to debris such as filth thick liquid after the filtration can pass through mud guide plate 34 roll-off to blow off in blow off pipe two 37, and then enter into anaerobe biological fermentation tank 4, carrying out fermentation treatment.
As a specific optimization scheme of the embodiment, a second motor 51 is fixedly arranged at the top of the treatment box 5, the output shaft of the second motor 51 is fixedly provided with a rotating shaft 53 which penetrates through and extends into the treatment box 5, the surface of the rotating shaft 53 is fixedly provided with a stirring blade 54, and both sides of the stirring blades 54 are arranged in a staggered way up and down, the top of the treatment box 5 is provided with a liquid inlet pipe 52, the sewage purifying agent is added into the treatment box 5 through the liquid inlet pipe 52, the second motor 51 is used for driving the stirring blade 54 on the surface of the rotating shaft 53 to rotate, which is beneficial to the full reaction of the sewage purifying agent and the domestic sewage, further improving the treatment efficiency of the domestic sewage, a reverse osmosis membrane 55 positioned below the stirring blades 54 is arranged in the treatment box 5, and a second valve 56 is fixedly arranged at the bottom of the treatment box 5, and the second valve 56 is used for purifying the domestic sewage again by using a reverse osmosis membrane 55.
As a specific optimization scheme of this embodiment, a first water pump 18 is fixedly installed on the first source sewage drainage branch pipe 17, and a second water pump 36 is fixedly installed on the second source sewage drainage branch pipe 35.
As a specific optimization scheme of this embodiment, the water pipe 57 and the connecting pipe 7 are both provided with valves.
A sewage source sewage treatment method for treating domestic sewage comprises the following steps:
s1, respectively constructing a sewage source sewage treatment system at each residence point by adopting a distributed treatment mode, wherein the sewage source sewage treatment system is the sewage source sewage treatment system as claimed in any one of claims 1 to 9;
s2, domestic sewage enters the sedimentation tank 1 through the water inlet pipe 2, the primary filter screen 14 is used for filtering treatment, when the primary filter screen 14 needs to be cleaned regularly, the first motor 11 is used for driving the winding wheel 12 to rotate, the pull rope 13 is wound, the primary filter screen 14 is driven to move upwards, and the primary filter screen 14 can be cleaned in time;
s3, conveying the primarily filtered sewage to the filter box 3 through the first water pump 18 and the first sewage drainage branch pipe 17, performing secondary filtration treatment on the domestic sewage by the fine filter screen 32, taking the fixing frame 31 and the fine filter screen 32 out of the top of the filter box 3 by the lifting handle 33 when the fine filter screen 32 needs to be cleaned regularly, so as to be beneficial to cleaning the fine filter screen 32 regularly,
s4, discharging the sewage slurry at the bottom of the sedimentation tank 1 into an anaerobic bacteria biological fermentation tank 4 through a first sewage discharge pipe 16, discharging the sewage slurry at the bottom of the filter box 3 into the anaerobic bacteria biological fermentation tank 4 through a second sewage discharge pipe 37, and performing anaerobic bacteria biological fermentation treatment on the sewage slurry to generate methane;
s5, conveying the sewage filtered by the filter box 3 into the treatment box 5 through a second water pump 36 and a second sewage drainage branch pipe 35, adding a sewage purifying agent into the treatment box 5 through a liquid inlet pipe 52, driving the stirring blade 54 on the surface of the rotating shaft 53 to rotate by using a second motor 51, fully reflecting the sewage purifying agent with the domestic sewage, purifying the domestic sewage, and purifying the domestic sewage again by using a reverse osmosis membrane 55;
and S6, sterilizing the treated sewage in the purifying box 6, and discharging the sterilized water by matching the water outlet pump 8 with the water outlet pipe 9 to finish the treatment of the domestic sewage.
The invention has the beneficial effects that: the biological conversion rate of organic sewage is improved, the construction investment cost of water resource recycling facilities is reduced, the treatment efficiency of domestic sewage is improved, the operation and the use are facilitated, and the market popularization value is better; domestic sewage enters the sedimentation tank 1 through the water inlet pipe 2, is filtered by the primary filter screen 14 to achieve the purpose of physical purification, and when the primary filter screen 14 needs to be cleaned regularly, the first motor 11 is used for driving the winding wheel 12 to rotate, the pull rope 13 is wound, and the primary filter screen 14 is driven to move upwards, so that the primary filter screen 14 can be cleaned in time conveniently, and the structure is simple; discharging the sewage slurry to an anaerobic bacteria biological fermentation tank 4, and performing anaerobic bacteria biological fermentation treatment on the sewage slurry to generate biogas so as to achieve the utilization of waste resources; the sewage purifying agent is added into the treatment box 5 through the liquid inlet pipe 52, the stirring blade 54 on the surface of the rotating shaft 53 is driven to rotate by the motor II 51, so that the sewage purifying agent and the domestic sewage are favorably fully reflected, the treatment box 5 is stirred by the motor in an intermittent, timed and periodic manner, and the treatment efficiency of the domestic sewage is improved; the organic sewage slurry enters the anaerobic bacteria biological fermentation tank 4, so that the effective volume rate of the source sewage biochemical treatment facility is greatly improved, and the investment of target engineering in the construction of environmental protection projects is reduced while the construction quality of the facility is ensured.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. Sewage source sewage treatment system for treating domestic sewage comprises a sedimentation tank (1), a water inlet pipe (2), a filter box (3), an anaerobic bacteria biological fermentation tank (4), a treatment box (5), a purification box (6) and a water outlet pump (8), and is characterized in that one side of the sedimentation tank (1) is fixedly provided with the water inlet pipe (2) for entering the domestic sewage, the other side of the sedimentation tank (1) is fixedly provided with the filter box (3) for filtering the domestic sewage through a source sewage drainage branch pipe (17), one side of the filter box (3) is fixedly provided with the anaerobic bacteria biological fermentation tank (4) for receiving sewage slurry through a drain pipe (37), the other side of the filter box (3) is fixedly provided with the treatment box (5) for purifying the domestic sewage through a source sewage drainage branch pipe (35), and the bottom of the treatment box (5) is fixedly provided with the water pipe (57) for purifying the domestic sewage The water purification device comprises a purification box (6), wherein a connecting pipe (7) is fixedly arranged on one side of the purification box (6), a water outlet pump (8) is fixedly arranged at one end of the connecting pipe (7), and a water outlet pipe (9) is fixedly arranged at the output end of the water outlet pump (8).
2. The source sewage treatment system for treating domestic sewage according to claim 1, wherein the bottom of the sedimentation tank (1) is fixedly provided with a first valve (15) through a pipeline, the output end of the first valve (15) is fixedly provided with a first sewage discharge pipe (16), and the first sewage discharge pipe (16) is arranged in an inclined manner.
3. The sewage source sewage treatment system for treating domestic sewage according to claim 1, wherein a first motor (11) is fixedly arranged on each of two sides of the top of the sedimentation tank (1), a winding wheel (12) is arranged at the output end of the first motor (11) through a rotating shaft, and a primary filter screen (14) is arranged on the winding wheel (12) through a pull rope (13) in a transmission manner.
4. The sewage source sewage treatment system and method according to claim 1, wherein a fixed frame (31) is movably arranged in the middle of the filtering tank (3), a fine filtering net (32) is fixedly connected inside the fixed frame (31), and a handle (33) is fixedly arranged on the top of the fixed frame (31).
5. The source sewage treatment system according to claim 4, wherein a sludge guide plate (34) is movably overlapped on one side of the bottom of the fine filter screen (32), one side of the sludge guide plate (34) far away from the fine filter screen (32) is fixedly connected with the inner wall of the filter tank (3), and the sludge guide plate (34) is obliquely arranged.
6. The sewage source sewage treatment system for treating domestic sewage according to claim 1, wherein a second motor (51) is fixedly arranged at the top of the treatment tank (5), a rotating shaft (53) penetrating and extending into the treatment tank (5) is fixedly arranged at an output shaft of the second motor (51), stirring blades (54) are fixedly arranged on the surface of the rotating shaft (53), two sides of each stirring blade (54) are arranged in a vertically staggered manner, and a liquid inlet pipe (52) is arranged at the top of the treatment tank (5).
7. The source sewage treatment system according to claim 6, wherein a reverse osmosis membrane (55) is disposed inside the treatment tank (5) below the stirring blade (54), and a second valve (56) is fixedly disposed at the bottom of the treatment tank (5), and the second valve (56) is disposed.
8. The source sewage treatment system for treating domestic sewage according to claim 1, wherein a first water pump (18) is fixedly installed on the first source sewage diversion branch pipe (17), and a second water pump (36) is fixedly installed on the second source sewage diversion branch pipe (35).
9. The source sewage treatment system of claim 1 wherein valves are provided on both the water pipe (57) and the connection pipe (7).
10. A sewage source sewage treatment method for treating domestic sewage is characterized by comprising the following steps:
s1, respectively constructing a sewage source sewage treatment system at each residence point by adopting a distributed treatment mode, wherein the sewage source sewage treatment system is the sewage source sewage treatment system as claimed in any one of claims 1 to 9;
s2, domestic sewage enters the sedimentation tank (1) through the water inlet pipe (2), the primary filter screen (14) is used for filtering treatment, and when the primary filter screen (14) needs to be cleaned regularly, the motor I (11) is used for driving the winding wheel (12) to rotate, the pull rope (13) is wound, the primary filter screen (14) is driven to move upwards, and the primary filter screen (14) can be cleaned in time;
s3, conveying the primarily filtered sewage to the filter box (3) through the first water pump (18) and the first sewage drainage branch pipe (17), performing secondary filtration treatment on the domestic sewage through the fine filter screen (32), taking the fixing frame (31) and the fine filter screen (32) out of the top of the filter box (3) through the lifting handle (33) when the fine filter screen (32) needs to be cleaned regularly, and facilitating the regular cleaning treatment on the fine filter screen (32),
s4, discharging the sewage slurry at the bottom of the sedimentation tank (1) into an anaerobic bacteria biological fermentation tank (4) through a first sewage discharge pipe (16), discharging the sewage slurry at the bottom of the filter box (3) into the anaerobic bacteria biological fermentation tank (4) through a second sewage discharge pipe (37), and performing anaerobic bacteria biological fermentation treatment on the sewage slurry to generate biogas;
s5, conveying the sewage filtered by the filter box 3 into a treatment box (5) through a second water pump (36) and a second sewage drainage branch pipe (35), adding a sewage purifying agent into the treatment box (5) through a liquid inlet pipe (52), driving a stirring blade (54) on the surface of a rotating shaft (53) to rotate by using a second motor (51), fully reflecting the sewage purifying agent with the domestic sewage, purifying the domestic sewage, and purifying the domestic sewage again by using a reverse osmosis membrane (55);
s6, the treated sewage enters a purification box (6) for sterilization treatment, and the sterilized water is discharged through a water outlet pump (8) in cooperation with a water outlet pipe (9) to finish the treatment of the domestic sewage.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010470371.1A CN111747603A (en) | 2020-05-28 | 2020-05-28 | Sewage source sewage treatment system and method for treating domestic sewage |
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| CN202010470371.1A CN111747603A (en) | 2020-05-28 | 2020-05-28 | Sewage source sewage treatment system and method for treating domestic sewage |
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| CN111747603A true CN111747603A (en) | 2020-10-09 |
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| CN114656055A (en) * | 2022-04-07 | 2022-06-24 | 吕永华 | Ecological purification unit in sponge city |
| CN115738417A (en) * | 2022-10-19 | 2023-03-07 | 荣诚环保工程有限公司 | Efficient low-energy-consumption urban domestic sewage treatment equipment and method |
| CN117923728A (en) * | 2024-03-12 | 2024-04-26 | 国合绿能生态(无锡)有限公司 | Biological ecological system for rural domestic sewage treatment and method thereof |
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Application publication date: 20201009 |