CN114524519A - Integrated distributed biological filter tank system for rural sewage treatment - Google Patents
Integrated distributed biological filter tank system for rural sewage treatment Download PDFInfo
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- CN114524519A CN114524519A CN202210428017.1A CN202210428017A CN114524519A CN 114524519 A CN114524519 A CN 114524519A CN 202210428017 A CN202210428017 A CN 202210428017A CN 114524519 A CN114524519 A CN 114524519A
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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
- C02F3/30—Aerobic and anaerobic processes
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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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
- C02F11/04—Anaerobic treatment; Production of methane by such processes
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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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
- C02F3/303—Nitrification and denitrification treatment characterised by the nitrification
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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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/308—Biological phosphorus removal
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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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The invention relates to the technical field of sewage treatment, in particular to an integrated distributed biological filter tank system for rural sewage treatment, which comprises a separation unit, a biological filter bin, a purification bin, a middle water bin and a sludge bin; the output end of the separation unit is respectively communicated with the input ends of the biological filter bin and the middle water bin, the output end of the biological filter bin is respectively communicated with the input ends of the sludge bin and the purification bin, and the output end of the purification bin is communicated with the input end of the middle water bin. According to the invention, organic matters, nitrogen, phosphorus and the like in sewage can be effectively removed in a layer-by-layer filtering mode, the amount of sludge generated is small, and the quality of reclaimed water generated after filtering is good, so that distributed rural families can conveniently use the sewage, the purification efficiency of the device can be improved by separately purifying the excrement water and cleaner domestic sewage, the burden of a filtering mechanism in the device is reduced, and the device is an integral buried device, does not need complex installation steps, so that the popularization and the use of distributed rural domestic sewage treatment are facilitated.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to an integrated distributed biological filter system for rural sewage treatment.
Background
The environmental pollution caused by the rural domestic sewage is not only a potential safety hazard of rural water source sites, but also aggravates the crisis of fresh water resources, so that the farmland irrigation cannot be effectively guaranteed, and the survival and development of farmers are harmed. Therefore, the method strengthens the construction of the facility for collecting, treating and recycling the domestic sewage in the rural areas, avoids the pollution of water, soil and agricultural products in the rural areas caused by the direct discharge of the domestic sewage, ensures the safety of water sources in the rural areas and the physical and mental health of farmers, is an important content for strengthening the infrastructure construction and recommending the village renovation work in the new rural area construction, and is also a problem to be urgently solved for improving the living environment in the rural areas.
The rural sewage treatment technologies adopted at home and abroad at present mainly comprise a biological contact oxidation method, an activated sludge method, a biological filter, an artificial wetland, a stabilization pond, land percolation treatment and the like. Rural domestic sewage can be divided into sewage with high nitrogen and phosphorus content such as liquid dung and cleaner domestic sewage such as face washing water and vegetable washing water, the sewage with high nitrogen and phosphorus content such as liquid dung needs to be purified through multiple filtering procedures, the cleaner domestic sewage can generate reclaimed water with high water quality only through simple filtering, and the existing rural domestic sewage treatment device can mix the sewage with the sewage for purification, so that the overall purification efficiency of the device can be reduced, the burden of a filtering mechanism is increased, and the finally generated reclaimed water is low in quality; in addition, rural population inhabitation is scattered and the domestic sewage volume that produces is less, and the unified collection degree of difficulty is great, if want to establish unified processing apparatus, then the investment is great, because the pollution scale is less, also is difficult to set up professional and guard on duty and operation management.
Disclosure of Invention
In order to overcome the technical problems, the invention aims to provide an integrated distributed biofilter system for rural sewage treatment, a sewage treatment box is arranged in a domestic sewage treatment device, a biological filter bin is arranged in the sewage treatment box, organic matters in sewage can be rapidly decomposed through anaerobic bacteria layer blocks on inclined plates in the biological filter bin, decomposed sludge and the like can fall into the sludge bin under the action of gravity, so that sludge can be collected without any power drive, heterotrophic bacteria in a filter plate I can decompose partial organic matters, partial nitrogen in the sewage can be removed through a biological film on shale ceramic particles in a first grid plate, a triangular frame body is arranged in a purification bin, a plurality of insert cylinders are slidably arranged in the triangular frame body, and three microorganism cylinders are slidably sleeved in each insert cylinder, the phosphorus-accumulating bacteria in the microorganism cylinder can absorb a large amount of phosphorus in the sewage, the three cylinder bodies can float along with the amount of the sewage, so that the phosphorus removal efficiency of the sewage can be improved, then the nitrifying bacteria on the second filter plate can nitrify the nitrogen in the sewage, the nitrogen can be converted into an ionic form, the nitrogen in the sewage can be removed in a large amount by matching with the action of a biological membrane, so that organic matters, nitrogen, phosphorus and the like in the sewage can be effectively removed in a layer-by-layer filtering mode, the sludge production amount is small, the quality of the reclaimed water produced after filtering is good, and the distributed rural families can use the sewage conveniently; the first water inlet pipe is arranged on the cover plate of the sewage treatment box, the first water inlet pipe can facilitate the discharge of extremely impure water such as liquid dung and the like, so that the domestic sewage can be decomposed by organic matters through the biological filter bin at the bottom, the separating unit is arranged at one side of the top of the treatment box, the second water inlet pipe at the top of the separating box can facilitate the discharge of cleaner domestic sewage such as the domestic sewage generated by bath, vegetable washing and the like, the domestic sewage can be discharged into the middle water bin for secondary filtration after being filtered by the filter pipe, the organic matters in the sewage blocked by the sieve plate can be rolled into the blanking pipe by the auger and then can be discharged into the biological filter bin for organic matter decomposition, the liquid dung and the cleaner domestic sewage can be separated and then are respectively filtered, and the liquid dung contains more organic matters, nitrogen and phosphorus and the like, thereby its purification step is more, and cleaner domestic sewage just can recycle after then needing to carry out a small amount of purification treatment, if mix the two together, then can increase the volume that the device needs to purify, through separately purifying the two can improve the purification efficiency of device, reduce the burden of filtering mechanism in the device, and this device is holistic formula device of burying, does not need complicated installation procedure to be convenient for distributed rural domestic sewage treatment's using widely.
The purpose of the invention can be realized by the following technical scheme:
an integrated distributed biological filter system for rural sewage treatment comprises a separation unit, a biological filter bin, a purification bin, a middle water bin and a sludge bin;
the output end of the separation unit is respectively communicated with the input ends of the biological filter bin and the intermediate water bin, the output end of the biological filter bin is respectively communicated with the input ends of the sludge bin and the purification bin, and the output end of the purification bin is communicated with the input end of the intermediate water bin;
the separation unit is used for filtering solid impurities in the cleaning wastewater, directly introducing the filtered water into the intermediate water bin, and introducing the filtered impurities into the biological filtration bin;
the biological filter bin is used for decomposing organic matters in the liquid dung and the filtered solid impurities through microorganisms and discharging sludge and sediments generated after decomposition into the sludge bin;
the purifying bin further decomposes the sewage through microorganisms, so that the content of nitrogen and phosphorus in the sewage is reduced;
the middle water bin is used for filtering the filtered sewage and cleaner domestic sewage and discharging the filtered middle water into a sewage pipe network;
the sludge bin is used for collecting and storing sludge generated by decomposition, and is convenient for uniformly treating the sludge in the later stage.
Further, a plurality of anaerobic bacteria layer blocks are fixed at the bottom of the biological filter bin.
The integrated distributed biological filter tank system for rural sewage treatment comprises a sewage treatment tank, wherein a biological filter bin, a purification bin, a middle water bin, a sludge bin and a separation unit are arranged in the sewage treatment tank, a first grid plate fixedly connected with the sewage treatment tank is arranged between the biological filter bin and the purification bin, a second grid plate fixedly connected with the inner wall of the sewage treatment tank is arranged between the purification bin and the middle water bin, the sludge bin and the biological filter bin are separated by a partition plate, the top of the sewage treatment tank is fixedly connected with a cover plate, the top of the cover plate is fixedly connected with a first water inlet pipe communicated with the biological filter bin, an inclined plate fixedly connected with the inner wall of the sewage treatment tank is arranged in the biological filter bin, a plurality of anaerobic bacteria layer blocks are fixedly arranged at the top of the inclined plate, and a sewage inlet is formed in the partition plate fixed with the inclined plate, a plurality of anaerobic bacteria layer blocks are arranged at the top of the inclined plate, so that a large amount of organic matters in sewage can be conveniently decomposed, and the sludge generated by decomposition can slide down under the action of gravity to a sludge bin.
The first grid plate is filled with shale ceramic particles, the central position of the top of the first grid plate is slidably clamped with a first filter plate which slides with the cover plate, heterotrophic bacteria are filled in the first filter plate, so that residual organic matters in sewage can be conveniently decomposed, and nitrogen in the sewage can be conveniently removed through a biological film on the surface of the shale ceramic particles.
The second grid plate is a solid closed plate body, a second filter plate which slides with the cover plate is clamped at the center of the top of the second grid plate in a sliding mode, nitrobacteria are filled in the second filter plate, and therefore nitrification can be carried out on sewage, and nitrogen in the sewage can be removed conveniently.
Further lie in, the equal fixedly connected with in top of filter one and filter two takes out the plate, it has cup jointed the reference column to take out to slide on the outer wall of plate, take out the both ends of plate and all seted up spacing hole, the equal sliding connection in both ends of reference column has the spacing post of pegging graft mutually with spacing hole, the equal fixedly connected with in both ends of spacing post and reference column looks fixedly connected's extension spring through under extension spring's effect for the spacing post at reference column both ends can insert in the spacing hole of taking out plate both ends, thereby can carry out the joint location to filter one and filter two, also be convenient for simultaneously the two to change.
Further, the separating unit comprises a separating box, a blanking pipe which is communicated with the biological filter bin is fixedly connected with one end of the bottom of the separating box, a filter pipe which is communicated with the middle water bin is fixedly connected with the other end of the bottom of the separating box, a sieve plate is fixedly sleeved on the top of the filter pipe, a second water inlet pipe which is communicated with the inside of the separating box is fixedly connected with the top of the separating box, the second water inlet pipe corresponds to the position of the filter pipe, an auger is connected to the inside of the separating box in a rotating mode, one end of the auger is fixedly connected with the output end of a servo motor, the servo motor is fixedly connected with the top of the cover plate, and the auger can be driven to rotate by the servo motor, so that organic matters in the domestic sewage can be coiled to the position of the blanking pipe, and the organic matters can be decomposed in the biological filter bin.
The novel multi-layer grid plate comprises a first grid plate, a second grid plate, a third grid plate, an insert cylinder, a cover plate and three microorganism cylinders, wherein the first grid plate and the second grid plate are fixedly connected with the third grid plate at equal intervals, positioning rings are fixedly arranged on the inner wall of the third grid plate at equal intervals, the insert cylinder is sleeved in the positioning rings in a sliding mode, the three microorganism cylinders are sleeved in the insert cylinder in a sliding mode, phosphorus-accumulating bacteria are placed in the microorganism cylinders, a plurality of purification holes are formed in the outer wall of the insert cylinder at equal intervals in an annular mode, the top end of the insert cylinder is connected with a sealing cover in a screwing mode, a pulling ring is fixedly arranged at the top end of the sealing cover, a plurality of jacks in sliding connection with the insert cylinder are formed in the top of the cover plate, the sealing cover is screwed at the top end of the insert cylinder, the insert cylinder can be conveniently opened to replace the microorganism cylinders in the insert cylinder, and the like, and the insert cylinder can be conveniently pulled out of the positioning rings.
Further lie in, the cartridge filter that the top fixedly connected with of apron and sewage treatment case are linked together, a plurality of exhaust holes have been seted up to the annular equidistance on the outer wall of cartridge filter, equidistant fixed cover has been met a plurality of activated carbon layers on the inner wall of cartridge filter, it has the activated carbon granule to fill in the activated carbon layer, the drain pipe that fixedly connected with and well sump are linked together on the lateral wall of sewage treatment case through be provided with a plurality of activated carbon layers in the cartridge filter to can be convenient for carry out filtration treatment to the waste gas that the device produced, prevent a large amount of leakages such as foul smell, influence the environment.
The sewage treatment device is characterized in that the top of the cover plate is fixedly connected with an aeration pipe communicated with the sewage treatment box, the top of the sludge bin is provided with a sewage pumping cover fixedly connected with the cover plate, and the aeration pipe is arranged at the top of the sewage treatment box, so that necessary aerobic environment can be provided for flora in the filtering mechanism, and some flora can be converted under the anoxic and oxygen-rich states, so that nitrification and denitrification effects can be formed.
The invention has the beneficial effects that:
1. the sewage treatment device is provided with the sewage treatment box, the sewage treatment box is provided with the biological filter bin, organic matters in sewage can be quickly decomposed through anaerobic bacteria layer blocks on inclined plates in the biological filter bin, and the decomposed sludge and the like can fall into the sludge bin under the action of gravity, so that the sludge can be collected without any power drive, heterotrophic bacteria in the first filter plate can decompose partial organic matters, partial nitrogen in the sewage can be removed through a biological film on shale ceramic particles in a first grid plate, the purifying bin is provided with the triangular frame body, the triangular frame body is provided with a plurality of insert cylinders in a sliding manner, three microorganism cylinders are sleeved in each insert cylinder in a sliding manner, a large amount of phosphorus in the sewage can be absorbed through phosphorus accumulating bacteria in the microorganism cylinders, and the three cylinder bodies can float along with the amount of the sewage, therefore, the phosphorus removal efficiency of the sewage can be improved, then the nitrifying bacteria on the second filter plate can nitrify the nitrogen in the sewage, so that the nitrogen can be converted into an ion form, the nitrogen in the sewage can be removed in a large amount by matching with the action of a biological membrane, organic matters, nitrogen, phosphorus and the like in the sewage can be effectively removed in a layer-by-layer filtering mode, the sludge production amount is small, the quality of the reclaimed water produced after filtering is good, and the sewage can be conveniently used by distributed rural families;
2. the first water inlet pipe is arranged on the cover plate of the sewage treatment box, the first water inlet pipe can facilitate the discharge of extremely impure water such as liquid dung and the like, so that the domestic sewage can be decomposed by organic matters through the biological filter bin at the bottom, the separating unit is arranged at one side of the top of the treatment box, the second water inlet pipe at the top of the separating box can facilitate the discharge of cleaner domestic sewage such as the domestic sewage generated by bath, vegetable washing and the like, the domestic sewage can be discharged into the middle water bin for secondary filtration after being filtered by the filter pipe, the organic matters in the sewage blocked by the sieve plate can be rolled into the blanking pipe by the auger and then can be discharged into the biological filter bin for organic matter decomposition, the liquid dung and the cleaner domestic sewage can be separated and then are respectively filtered, and the liquid dung contains more organic matters, nitrogen and phosphorus and the like, thereby its purification step is more, and cleaner domestic sewage just can recycle after then needing to carry out a small amount of purification treatment, if mix the two together, then can increase the volume that the device needs to purify, through separately purifying the two can improve the purification efficiency of device, reduce the burden of filtering mechanism in the device, and this device is holistic formula device of burying, does not need complicated installation procedure to be convenient for distributed rural domestic sewage treatment's using widely.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a connecting frame body of the rural domestic sewage treatment system of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a schematic view of the overall internal structure of the present invention;
FIG. 4 is a schematic view of the overall top view of the present invention;
FIG. 5 is a schematic view showing the construction of a sewage treatment tank according to the present invention;
FIG. 6 is a schematic view of the structure of the separation unit of the present invention;
FIG. 7 is a schematic view of a filter cartridge according to the present invention;
FIG. 8 is a schematic view showing the construction of a sewage purification apparatus according to the present invention;
fig. 9 is a schematic structural view of a limiting mechanism in the invention.
In the figure: 101. a sewage treatment tank; 102. a cover plate; 103. a first water inlet pipe; 104. a sloping plate; 105. a first grid plate; 106. a biological filtration bin; 107. a first filter plate; 108. a second grid plate; 109. a second filter plate; 110. a middle water bin; 111. a partition plate; 112. a sludge bin; 113. a sewage inlet; 114. a sewage pumping cover; 115. a drain pipe; 116. drawing a plate block; 117. a positioning column; 118. a limiting hole; 119. a limiting column; 120. an extension spring; 121. a purifying bin; 122. a jack; 200. a separation unit; 201. a separation tank; 202. a water inlet pipe II; 203. a blanking pipe; 204. a filter tube; 205. a sieve plate; 206. a packing auger; 207. a servo motor; 300. an aeration pipe; 401. a filter cartridge; 402. an exhaust hole; 403. an activated carbon layer; 501. a triangular frame body; 502. a positioning ring; 503. inserting a cylinder; 504. a purge hole; 505. a microbial cartridge; 506. a sealing cover; 507. the ring is pulled.
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.
Referring to fig. 1-9, the integrated distributed biofilter system for rural sewage treatment comprises a separation unit 200, a biofilter 106, a purification bin 121, a reclaimed water bin 110 and a sludge bin 112;
the output end of the separation unit 200 is respectively communicated with the input ends of the biological filtration bin 106 and the middle water bin 110, the output end of the biological filtration bin 106 is respectively communicated with the input ends of the sludge bin 112 and the purification bin 121, and the output end of the purification bin 121 is communicated with the input end of the middle water bin 110;
the separation unit 200 is used for filtering solid impurities in the cleaning wastewater, directly introducing the filtered water into the middle water bin 110, and introducing the filtered impurities into the biological filtration bin 106;
the biological filter bin 106 is used for decomposing organic matters in the liquid dung and the filtered solid impurities through microorganisms, and discharging sludge and sediments generated after decomposition into the sludge bin 112;
the purifying bin 121 further decomposes the sewage through microorganisms, so that the content of nitrogen and phosphorus in the sewage is reduced;
the middle water bin 110 is used for filtering the filtered sewage and cleaner domestic sewage, and discharging the filtered middle water into a sewage pipe network;
the sludge bin 112 is used for collecting and storing the sludge generated by decomposition, so that the sludge can be uniformly treated in the later stage.
A plurality of anaerobic bacteria layer blocks are fixed at the bottom of the biological filtration bin 106.
An integrated distributed biological filter system for rural sewage treatment comprises a sewage treatment box 101, wherein a biological filter bin 106, a purification bin 121, a middle water bin 110, a sludge bin 112 and a separation unit 200 are arranged in the sewage treatment box 101, a first grid plate 105 fixedly connected with the sewage treatment box 101 is arranged between the biological filter bin 106 and the purification bin 121, a second grid plate 108 fixedly connected with the inner wall of the sewage treatment box 101 is arranged between the purification bin 121 and the middle water bin 110, the sludge bin 112 and the biological filter bin 106 are separated by a partition plate 111, the top of the sewage treatment box 101 is fixedly connected with a cover plate 102, the top of the cover plate 102 is fixedly connected with a first water inlet pipe 103 communicated with the biological filter bin 106, an inclined plate 104 fixedly connected with the inner wall of the sewage treatment box 101 is arranged in the biological filter bin 106, a plurality of anaerobic bacteria layer blocks are fixedly arranged at the top of the inclined plate 104, a sewage inlet 113 is arranged on the partition plate 111 fixed with the inclined plate 104, through being provided with a plurality of anaerobe layer pieces at the top of swash plate 104 to can be convenient for decompose a large amount of organic matters in the sewage, make the mud that decomposes the production can slide in mud storehouse 112 under the action of gravity.
Shale ceramic particles are filled in the first grid plate 105, a first filter plate 107 which slides with the cover plate 102 is slidably clamped at the center of the top of the first grid plate 105, heterotrophic bacteria are filled in the first filter plate 107, so that residual organic matters in sewage can be conveniently decomposed, and nitrogen in the sewage can be conveniently removed through a biological film on the surface of the shale ceramic particles; the second grid plate 108 is a solid closed plate, a second filter plate 109 which slides with the cover plate 102 is slidably clamped at the center of the top of the second grid plate 108, and nitrobacteria are filled in the second filter plate 109, so that the nitrification of sewage can be realized, and the removal of nitrogen in the sewage can be facilitated; the top parts of the first filter plate 107 and the second filter plate 109 are fixedly connected with a drawing plate block 116, the outer wall of the drawing plate block 116 is sleeved with a positioning column 117 in a sliding manner, two ends of the drawing plate block 116 are respectively provided with a limiting hole 118, two ends of the positioning column 117 are respectively connected with a limiting column 119 in a sliding manner, the limiting columns 119 are spliced with the limiting holes 118, two ends of the limiting columns 119 are respectively fixedly connected with an extension spring 120 fixedly connected with the positioning column 117, and the limiting columns 119 at two ends of the positioning column 117 can be inserted into the limiting holes 118 at two ends of the drawing plate block 116 under the action of the extension spring 120, so that the first filter plate 107 and the second filter plate 109 can be clamped and positioned, and meanwhile, the first filter plate 107 and the second filter plate 109 can be conveniently replaced; the separation unit 200 comprises a separation box 201, one end of the bottom of the separation box 201 is fixedly connected with a blanking pipe 203 communicated with the biological filtering bin 106, the other end of the bottom of the separation box 201 is fixedly connected with a filtering pipe 204 communicated with the intermediate water bin 110, the top end of the filtering pipe 204 is fixedly sleeved with a sieve plate 205, the top of the separation box 201 is fixedly connected with a second water inlet pipe 202 communicated with the inside of the separation box, the second water inlet pipe 202 corresponds to the filtering pipe 204, the inside of the separation box 201 is rotatably connected with an auger 206, one end of the auger 206 is fixedly connected with the output end of a servo motor 207, the servo motor 207 is fixedly connected with the top of the cover plate 102, the auger 206 can be driven to rotate by the servo motor 207, so that organic matters in the domestic sewage can be rolled to the position of the blanking pipe 203, and the organic matters fall into the biological filtering bin 106 to be decomposed.
Three triangular frame bodies 501 are fixedly connected between the first grid plate 105 and the second grid plate 108 at equal intervals, positioning rings 502 are fixedly arranged on the inner walls of the triangular frame bodies 501 at equal intervals, inserting cylinders 503 are sleeved in the positioning rings 502 in a sliding mode, three microorganism cylinders 505 are sleeved in the inserting cylinders 503 in a sliding mode, phosphorus-accumulating bacteria are placed in the microorganism cylinders 505, a plurality of purification holes 504 are formed in the outer walls of the inserting cylinders 503 at equal intervals in an annular mode, sealing covers 506 are connected to the top ends of the inserting cylinders 503 in a screwing mode, pulling rings 507 are fixedly arranged at the top ends of the sealing covers 506, a plurality of inserting holes 122 connected with the inserting cylinders 503 in a sliding mode are formed in the top portions of the cover plates 102, the sealing covers 506 are screwed on the top portions of the inserting cylinders 503, therefore, the inserting cylinders 503 can be conveniently opened to replace the microorganism cylinders 505 in the inserting cylinders, and the like, and the inserting cylinders 503 can be conveniently pulled out of the positioning rings 502 through the pulling rings 507; the filter cartridge 401 that the top fixedly connected with of apron 102 is linked together with sewage treatment case 101, a plurality of exhaust holes 402 have been seted up to the annular equidistance on filter cartridge 401's the outer wall, equidistant fixed a plurality of activated carbon layers 403 of having cup jointed on filter cartridge 401's the inner wall, it has the activated carbon granule to fill in the activated carbon layer 403, the drain pipe 115 that fixedly connected with and well sump 110 are linked together on sewage treatment case 101's the lateral wall, through be provided with a plurality of activated carbon layers 403 in filter cartridge 401, thereby can be convenient for carry out filtration treatment to the waste gas that the device produced, prevent a large amount of leakages such as foul smell, influence the environment.
The top of the cover plate 102 is fixedly connected with an aeration pipe 300 communicated with the sewage treatment tank 101, the top of the sludge bin 112 is provided with a sewage pumping cover 114 fixedly connected with the cover plate 102, and the aeration pipe 300 is arranged at the top of the sewage treatment tank 101, so that a necessary aerobic environment can be provided for flora in the filtering mechanism, and some flora can be converted under the anoxic and oxygen-rich states, thereby forming nitrification and denitrification.
The working principle is as follows: when the biological filter is used, sewage with high nitrogen and phosphorus content such as liquid dung and the like is discharged into the water inlet pipe 103 and then falls into the biological filter bin 106, organic matters in the liquid dung can be quickly decomposed through the anaerobic bacteria layer block on the inclined plate 104 in the biological filter bin 106, the inclined plate 104 falls into the sludge bin 112 under the action of gravity, so that sludge can be collected without other power driving, when the sewage passes through the first filter plate 107, the rest organic matters can be decomposed through heterotrophic bacteria on the sewage, meanwhile, partial nitrogen in the sewage can be removed through the biomembrane on the shale ceramic particles in the first grid plate 105, after the sewage enters the purification bin 121, the plurality of microorganism cylinders 505 in the insert cylinders can float, so that phosphorus accumulating bacteria in the microorganism cylinders 505 can quickly absorb a large amount of phosphorus in the sewage, when the sewage passes through the second filter plate 109, the nitrifying bacteria on the nitrogen in the sewage 503 in the second filter plate 109 can nitrify the sewage, therefore, nitrogen can be converted into a centrifugal form, a large amount of nitrogen in the sewage can be removed by matching with the action of the biological membrane, organic matters, nitrogen, phosphorus and the like in the sewage can be effectively filtered through a three-layer biological filtration form, and the water quality of finally generated reclaimed water can be improved;
cleaner domestic water can be discharged into the separation box 201 through the water inlet pipe II 202, the domestic water flows into the middle water bin 110 after being filtered by the filter pipe 204 for secondary filtration, organic matters in the sewage blocked by the sieve plate 205 still can be in the separation box 201, the servo motor 207 is started, so that the auger 206 can be driven to rotate, the organic matters and the like can be drawn into the position of the blanking pipe 203 and then can fall into the biological filter bin 106 for organic matter decomposition, the sewage with higher nitrogen and phosphorus content such as excrement water and the cleaner domestic sewage can be separated for treatment, the purification efficiency of the device can be improved, the water source which does not need to pass through the three-layer filter mechanism can be recycled after being simply filtered in the middle water bin 110, the burden of the filter mechanism can be reduced, the quality of the reclaimed water produced by the device can be improved, and the device is an integral buried device, does not need complex installation steps, thereby being convenient for the popularization and the use of distributed rural domestic sewage treatment.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.
Claims (6)
1. An integrated distributed biological filter system for rural sewage treatment is characterized by comprising a sewage treatment tank (101), a separation unit (200), a biological filter bin (106), a purification bin (121), a middle water bin (110) and a sludge bin (112);
the output end of the separation unit (200) is respectively communicated with the input ends of a biological filter bin (106) and a reclaimed water bin (110), the output end of the biological filter bin (106) is respectively communicated with the input ends of a sludge bin (112) and a purification bin (121), and the output end of the purification bin (121) is communicated with the input end of the reclaimed water bin (110);
the separation unit (200) is used for filtering solid impurities in the cleaning wastewater, directly introducing the filtered water body into the middle water bin (110), and introducing the filtered impurities into the biological filter bin (106);
the biological filter bin (106) is used for decomposing organic matters in the liquid dung and the filtered solid impurities through microorganisms, and discharging sludge and sediment generated after decomposition into a sludge bin (112);
the purification bin (121) further decomposes the sewage through microorganisms, so that the content of nitrogen and phosphorus in the sewage is reduced;
the middle water bin (110) is used for filtering the filtered sewage and cleaner domestic sewage and discharging the filtered middle water into a sewage pipe network;
the sludge bin (112) is used for collecting and storing the sludge generated by decomposition, so that the sludge can be uniformly treated in the later period;
a biological filter bin (106), a purification bin (121), a middle water bin (110), a sludge bin (112) and a separation unit (200) are arranged in the sewage treatment box (101), a first grid plate (105) fixedly connected with the sewage treatment box (101) is arranged between the biological filter bin (106) and the purification bin (121), a second grid plate (108) fixedly connected with the inner wall of the sewage treatment box (101) is arranged between the purification bin (121) and the middle water bin (110), the sludge bin (112) and the biological filter bin (106) are separated by a partition plate (111), a cover plate (102) is fixedly connected with the top of the sewage treatment box (101), a water inlet pipe (103) communicated with the biological filter bin (106) is fixedly connected with the top of the cover plate (102), and an inclined plate (104) fixedly connected with the inner wall of the sewage treatment box (101) is arranged in the biological filter bin (106), the top of the inclined plate (104) is fixedly provided with a plurality of anaerobic bacteria layer blocks, a clapboard (111) fixed with the inclined plate (104) is provided with a sewage inlet (113), the first grid plate (105) is filled with shale ceramic particles, the central position of the top of the first grid plate (105) is slidably clamped with a first filter plate (107) sliding with the cover plate (102), the second grid plate (108) is a solid closed plate body, the central position of the top of the second grid plate (108) is slidably clamped with a second filter plate (109) sliding with the cover plate (102), the tops of the first filter plate (107) and the second filter plate (109) are fixedly connected with a pumping plate block (116), the outer wall of the pumping plate block (116) is slidably sleeved with a positioning column (117), two ends of the pumping plate block (116) are provided with limiting holes (118), two ends of the positioning column (117) are slidably connected with limiting columns (119) inserted with the limiting holes (118), both ends of the limiting column (119) are fixedly connected with extension springs (120) fixedly connected with the positioning columns (117).
2. The integrated decentralized biological filter system for rural sewage treatment according to claim 1, wherein a plurality of anaerobic bacteria layer blocks are fixed to the bottom of the biological filter bin (106).
3. The integrated decentralized biological filter system for rural sewage treatment according to claim 1, it is characterized in that the separation unit (200) comprises a separation box (201), one end of the bottom of the separation box (201) is fixedly connected with a blanking pipe (203) communicated with the biological filtration bin (106), the other end of the bottom of the separation box (201) is fixedly connected with a filter pipe (204) communicated with the middle water bin (110), the top end of the filter pipe (204) is fixedly sleeved with a sieve plate (205), the top of the separation box (201) is fixedly connected with a second water inlet pipe (202) communicated with the inside of the separation box, the position of the second water inlet pipe (202) corresponds to that of the filter pipe (204), the inner part of the separation box (201) is rotatably connected with a packing auger (206), one end of the packing auger (206) is fixedly connected with an output end of a servo motor (207), and the servo motor (207) is fixedly connected with the top of the cover plate (102).
4. The integrated decentralized biological filter system for rural sewage treatment according to claim 1, it is characterized in that three triangular frames (501) are fixedly connected between the first grid plate (105) and the second grid plate (108) at equal intervals, positioning rings (502) are fixedly arranged on the inner wall of the triangular frame body (501) at equal distances, a plurality of the positioning rings (502) are sleeved with inserting cylinders (503) in a sliding manner, three microorganism barrels (505) are sleeved in the insert barrel (503) in a sliding manner, phosphorus-accumulating bacteria are placed in the microorganism barrels (505), a plurality of purification holes (504) are annularly and equidistantly arranged on the outer wall of the insert cylinder (503), the top end of the inserting cylinder (503) is screwed and connected with a sealing cover (506), the top end of the sealing cover (506) is fixedly provided with a pulling ring (507), the top of the cover plate (102) is provided with a plurality of jacks (122) which are connected with the inserting barrel (503) in a sliding way.
5. The integrated distributed biofilter system for rural sewage treatment according to claim 1, wherein the top of the cover plate (102) is fixedly connected with a filter cartridge (401) communicated with the sewage treatment tank (101), a plurality of exhaust holes (402) are formed in the outer wall of the filter cartridge (401) at equal intervals in a ring shape, a plurality of activated carbon layers (403) are fixedly sleeved on the inner wall of the filter cartridge (401) at equal intervals, activated carbon particles are filled in the activated carbon layers (403), and a drain pipe (115) communicated with the middle water sump (110) is fixedly connected to the side wall of the sewage treatment tank (101).
6. The integrated decentralized biological filter system for rural sewage treatment according to claim 1, wherein the top of the cover plate (102) is fixedly connected with an aerator pipe (300) communicated with the sewage treatment tank (101), and the top of the sludge bin (112) is provided with a sewage pumping cover (114) fixedly connected with the cover plate (102).
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| CN202210428017.1A CN114524519B (en) | 2022-04-22 | 2022-04-22 | Integrated distributed biological filter tank system for rural sewage treatment |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205856276U (en) * | 2016-08-12 | 2017-01-04 | 宁波正清环保工程有限公司 | A kind of distributing rural sewage treatment system |
| CN106892535A (en) * | 2017-02-27 | 2017-06-27 | 上海交通大学 | A kind of decentralized type sewage processing equipment and method for being applicable rural area |
| CN112225401A (en) * | 2020-10-08 | 2021-01-15 | 杨桂香 | Rural sewage treatment biofilter |
| CN214612034U (en) * | 2020-12-22 | 2021-11-05 | 吉林化工学院 | Rural domestic sewage low temperature treatment purifies groove |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205856276U (en) * | 2016-08-12 | 2017-01-04 | 宁波正清环保工程有限公司 | A kind of distributing rural sewage treatment system |
| CN106892535A (en) * | 2017-02-27 | 2017-06-27 | 上海交通大学 | A kind of decentralized type sewage processing equipment and method for being applicable rural area |
| CN112225401A (en) * | 2020-10-08 | 2021-01-15 | 杨桂香 | Rural sewage treatment biofilter |
| CN214612034U (en) * | 2020-12-22 | 2021-11-05 | 吉林化工学院 | Rural domestic sewage low temperature treatment purifies groove |
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