CN220245844U - Rural sewage integrated treatment device - Google Patents
Rural sewage integrated treatment device Download PDFInfo
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- CN220245844U CN220245844U CN202321928481.3U CN202321928481U CN220245844U CN 220245844 U CN220245844 U CN 220245844U CN 202321928481 U CN202321928481 U CN 202321928481U CN 220245844 U CN220245844 U CN 220245844U
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- 239000010865 sewage Substances 0.000 title claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 239000000945 filler Substances 0.000 claims abstract description 38
- 238000004062 sedimentation Methods 0.000 claims abstract description 25
- 238000001179 sorption measurement Methods 0.000 claims abstract description 25
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 20
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical class O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 23
- 239000010802 sludge Substances 0.000 claims description 23
- 238000005273 aeration Methods 0.000 claims description 15
- 238000011049 filling Methods 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 14
- 230000001546 nitrifying effect Effects 0.000 claims description 13
- 238000009826 distribution Methods 0.000 claims description 11
- 238000012856 packing Methods 0.000 claims description 9
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 8
- -1 metal oxide modified zeolite particles Chemical class 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 229910044991 metal oxide Inorganic materials 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000005192 partition Methods 0.000 abstract description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 10
- 229910052698 phosphorus Inorganic materials 0.000 description 10
- 239000011574 phosphorus Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 238000010992 reflux Methods 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000000274 adsorptive effect Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 239000005909 Kieselgur Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 2
- 229960000892 attapulgite Drugs 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 229910052625 palygorskite Inorganic materials 0.000 description 2
- 230000008635 plant growth Effects 0.000 description 2
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000010457 zeolite Substances 0.000 description 2
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
Landscapes
- Biological Treatment Of Waste Water (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model discloses an integrated rural sewage treatment device, which comprises: the tank body is internally provided with a plurality of detachable partition boards, the tank body is divided into a plurality of areas by the partition boards, the plurality of areas are respectively an anaerobic area, an anoxic area, an aerobic area, a sedimentation area, a basket type adsorption filler area and a water outlet disinfection area which are sequentially communicated, the upper part of the anaerobic area is provided with a water inlet pipe, and the upper part of the water outlet disinfection area is provided with a water outlet pipe; the device has the characteristics of good treatment effect, easy maintenance, stable operation and capability of realizing efficient denitrification and dephosphorization for rural domestic sewage treatment.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, and particularly relates to a rural sewage integrated treatment device for high-efficiency denitrification and dephosphorization.
Background
The rural domestic sewage treatment is an important measure for the improvement of rural human living environment and is an important task for implementing the strategy of rural vibration. Compared with urban sewage treatment, the method has the problems of dispersed discharge, low treatment rate, lack of technical reserves, incomplete treatment or over-standard design and the like of rural domestic sewage in China.
At present, the problems that the COD concentration of the sewage treatment equipment in water is low and the concentrations of ammonia nitrogen and total phosphorus are high generally exist after rural domestic sewage is collected, the existing biochemical treatment processes such as AO, AAO, MBR and the like need to accurately control the factors such as water inflow, dissolved oxygen, reflux ratio and the like, and in practical application, as the water quality and the water quantity of the rural domestic sewage are changeable, the operation and maintenance debugging of a treatment system are not carried out by professional technicians, the process operation is unstable, the removal effect of nitrogen and phosphorus is poor, and the effluent quality cannot be ensured to reach the standard. If the ammonia nitrogen removal effect is enhanced, measures such as aeration, carbon source addition or sodium hypochlorite medicament addition are generally adopted, but the problems of high energy consumption, additional configuration of a dosing device, large occupied area, increased total cost and the like exist; if the total phosphorus removal effect is to be enhanced, the biological phosphorus removal method has strict requirements on operation conditions and unstable quality of effluent caused by influence of various factors, so that the total phosphorus is usually removed by adopting a dosing precipitation mode, but a dosing device is additionally arranged, so that precipitated sludge is formed, the regular cleaning is required, the investment is increased, and the operation and maintenance are difficult to implement; in addition, the constructed wetland treatment system can be used as a guarantee measure for biologically treating the effluent, but has the defects of large occupied area, higher maintenance cost of the wetland, easy blockage, no guarantee of denitrification and dephosphorization effects and the like.
Therefore, it is necessary to develop an integrated treatment device which has good treatment effect, is easy to maintain and runs stably and can realize efficient denitrification and dephosphorization of rural domestic sewage treatment, so as to solve the problems.
Disclosure of Invention
To achieve the above object, the present inventors provide an integrated rural sewage treatment apparatus comprising: the tank body, be equipped with a plurality of detachable baffles in the tank body, the baffle is cut apart the tank body into a plurality of region, and a plurality of region is anaerobic zone, anoxic zone, good oxygen district, sedimentation zone, basket formula adsorption packing district and the disinfection district that goes out that communicates in proper order respectively, anaerobic zone upper portion is equipped with the inlet tube, goes out disinfection district upper portion and is equipped with the outlet pipe.
As a preferable structure of the utility model, the lower part of the anaerobic zone is provided with a first water passing port communicated with the anoxic zone, the upper part of the anoxic zone is provided with a second water passing port communicated with the aerobic zone, the upper part of the aerobic zone is provided with a third water passing port communicated with the sedimentation zone, the third water passing port is communicated with a water distribution central pipe, the upper part of the sedimentation zone is provided with a fourth water passing port communicated with the basket type adsorption filling zone, and the lower part of the basket type adsorption filling zone is provided with a fifth water passing port communicated with the water outlet disinfection zone.
As a preferable structure of the utility model, a nitrifying liquid return pipe is arranged at the bottom of the aerobic zone, one end of the nitrifying liquid return pipe is communicated with the aerobic zone, the other end of the nitrifying liquid return pipe is communicated with the anoxic zone close to the water inlet, a sludge return pipe is arranged at the bottom of the sedimentation zone, one end of the sludge return pipe is communicated with the bottom of the sedimentation zone, and the other end of the sludge return pipe is communicated with the anaerobic zone close to the water inlet.
As a preferable structure of the utility model, the bottom of the sedimentation zone is provided with the inclined plate, and one end of the sludge return pipe positioned in the sedimentation zone is arranged at the bottom of the inclined plate.
As a preferable structure of the utility model, a sewage filtering mesh grid sheet is arranged at the inner side of the tank body close to the end part of the water inlet pipe in the anaerobic zone, and a slow-release disinfection tablet is hung in the water outlet disinfection zone.
As a preferable structure of the utility model, a spherical suspended filler is arranged in the anoxic zone, a plurality of vertically arranged combined filler columns are arranged in the aerobic zone, a plurality of spherical filler bodies are arranged on each combined filler column, polyurethane spongy filler or modified porous filler is arranged in each spherical filler body, an aeration pipe is arranged at the bottom of the aerobic zone, and the aeration pipe is connected with an external aeration pump or an external blower.
As a preferable structure of the utility model, the front end of the basket type adsorption filling area is provided with a water distribution plate, and the water distribution plate is arranged at a position 200-300 mm away from the fourth water passing port.
As a preferable structure of the utility model, a detachable basket rust-proof frame body filled with modified zeolite particles is arranged in the basket type adsorption filling material area, and the modified zeolite particles comprise one or more of metal oxide modified zeolite particles and chemical solvent modified zeolite particles.
As a preferable structure of the present utility model, the modified zeolite has a particle diameter of 15 to 20mm.
As a preferable structure of the utility model, stainless steel meshes are welded around the detachable basket anti-rust frame body, the aperture of the stainless steel meshes is 5-10 mm, the upper side and the lower side of the basket anti-rust frame body are fixedly connected with the tank body by adopting loose-leaves, and the width of the basket anti-rust frame body is 100-400 mm.
Compared with the prior art, the beneficial effects achieved by the technical scheme are as follows:
(1) Aiming at the current status quo characteristics of rural domestic sewage, the device is provided with the functional sections such as an anaerobic zone, an anoxic zone, an aerobic zone, a sedimentation zone, a basket type adsorption filling zone, a water outlet disinfection zone and the like in a targeted manner, on the basis of the original biological treatment process, the denitrification and dephosphorization effects of the domestic sewage are effectively improved by the principle of combining biological reaction with physical and chemical adsorption filtration, and the problem of poor ammonia nitrogen and total phosphorus removal effects under low COD water inlet concentration is solved; compared with the direct addition of the denitrification and dephosphorization agent, the method avoids the arrangement of an agent adding system and the treatment and disposal of the precipitated sludge, and effectively reduces the running cost; in addition, compared with the method that the constructed wetland is arranged after biochemical treatment as a yielding water quality guarantee measure, the device saves the occupied area;
(2) The sewage in the device firstly enters an anaerobic zone for anaerobic phosphorus release, nitrified liquid flowing back into an anoxic zone and an aerobic zone is subjected to denitrification reaction for denitrification, effluent enters the aerobic zone for aerobic phosphorus absorption and removing a large amount of organic matters, the sewage after biological reaction enters a precipitation zone for precipitation, the effluent is further subjected to synchronous absorption for denitrification and dephosphorization through a composite modified zeolite filler, and finally the effluent is discharged after disinfection;
(3) The modified zeolite filler particles are used in the device, so that ammonia nitrogen, total nitrogen and total phosphorus concentration in sewage can be further effectively reduced in the technology of biological treatment process effluent, the advanced treatment capacity is higher, and after the adsorbent filler is adsorbed and saturated, the reuse can be realized in a solution desorption regeneration mode, so that the treatment operation cost of rural domestic sewage is effectively reduced while the stronger pollutant removal capacity is ensured; in addition, the zeolite material after denitrification and dephosphorization can be used as a nutrient release material for plant growth to realize recycling;
(4) The device saves land and has simple operation and maintenance; the aerobic zone adopts a filler column composed of spherical fillers, and compared with the suspended fillers, the filler column can be uniformly distributed in the aerobic zone, so that the influence of aeration on floating on the surface of sewage is avoided, and the microbial treatment effect is reduced; the adopted basket type adsorption filler antirust frame body is arranged on the tank body of the integrated treatment device, and adopts a movable plate type detachable structure, so that fillers such as modified zeolite can be replaced according to actual use conditions, and the lifting basket type adsorption filler antirust frame is simple and convenient to assemble and disassemble and high in practicability.
Drawings
FIG. 1 is a schematic view of a device according to an embodiment;
reference numerals illustrate:
1. the sewage treatment device comprises a water inlet pipe, 2, a sewage filtering mesh grid sheet, 3, an anaerobic zone, 4, a first water passing port, 5, an anoxic zone, 6, a second water passing port, 7, an aerobic zone, 8, an annular aeration pipe, 9, a spherical filler body, 10, a nitrifying liquid return pipe, 11, a sludge return pipe, 12, a sedimentation zone, 13, a water distribution central pipe, 14, a fourth water passing port, 15, a basket type adsorption filler zone, 16, a water distribution plate, 17, modified zeolite particles, 18, a detachable basket rust-proof frame body, 19, a fifth water passing port, 20, a water outlet disinfection zone, 21 and a water outlet pipe.
Detailed Description
In order to describe the technical content, constructional features, achieved objects and effects of the technical solution in detail, the following description is made in connection with the specific embodiments in conjunction with the accompanying drawings.
As shown in fig. 1, this embodiment provides an integrated rural sewage treatment device, including: the tank body is internally provided with a plurality of detachable partition boards, the partition boards divide the tank body into a plurality of areas, the plurality of areas are respectively an anaerobic area 3, an anoxic area 5, an aerobic area 7, a sedimentation area 12, a basket type adsorption filling area 15 and a water outlet disinfection area 20 which are communicated in sequence, the upper part of the anaerobic area 3 is provided with a water inlet pipe 1, and the upper part of the water outlet disinfection area 20 is provided with a water outlet pipe 21.
As shown in fig. 1, in this embodiment, a first water passing port 4 communicated with an anoxic zone is provided at the lower part of the anaerobic zone, a second water passing port 6 communicated with an aerobic zone is provided at the upper part of the anoxic zone, a third water passing port communicated with a sedimentation zone is provided at the upper part of the aerobic zone, the third water passing port is communicated 13 through a water distribution central pipe, the end of the water distribution central pipe in the sedimentation zone is in a horn mouth shape, a fourth water passing port 14 communicated with a basket type adsorption packing zone 15 is provided at the upper part of the sedimentation zone 12, and a fifth water passing port 19 communicated with a water outlet disinfection zone is provided at the lower part of the basket type adsorption packing zone 15.
In the above embodiment, the bottom of the aerobic zone is further provided with a nitrifying liquid return pipe 10, one end of the nitrifying liquid return pipe is communicated with the aerobic zone, the other end of the nitrifying liquid return pipe is communicated with the anoxic zone near the water inlet for denitrification reaction, the bottom of the settling zone is provided with a sludge return pipe 11, one end of the sludge return pipe 11 is communicated with the bottom of the settling zone 12, and the other end of the sludge return pipe is communicated with the anaerobic zone near the water inlet. In this embodiment, the nitrifying liquid reflux pipe 10 and the sludge reflux pipe supply power for nitrifying liquid reflux and sludge reflux through the gas stripping device so as to reflux nitrifying liquid in the aerobic zone to the anoxic zone and reflux part of sludge in the sedimentation zone 12 to the anaerobic zone. In order to facilitate the sludge return pipe 11 to return the sludge in the sedimentation zone 12, in some embodiments, a diversion inclined plate is disposed at the bottom of the sedimentation zone 12, one end of the sludge return pipe located in the sedimentation zone 12 is disposed at the bottom of the inclined plate, and the sludge can be diverted to the bottom of the inclined plate by the arrangement of the inclined plate, so that the sludge return pipe is convenient for sludge suction.
As shown in fig. 1, in order to remove larger suspended matters in rural domestic sewage, a sewage filtering mesh grid plate 2 is arranged at the inner side of the tank body close to the end part of the water inlet pipe in the anaerobic zone, so that suspended matters are filtered; in addition, in order to further disinfect the treated sewage, a slow-release disinfection tablet is hung in the water outlet disinfection area.
As shown in figure 1, spherical suspended fillers can be arranged in the anaerobic zone and the anoxic zone according to the water quality condition to improve the decontamination capability of microorganisms, and the spherical suspended fillers can be polyurethane spongy or modified porous fillers and the like; four vertically arranged combined filling columns are arranged in the aerobic zone, each combined filling column is provided with a plurality of spherical filling bodies 9, the spherical filling bodies 9 adopt polyurethane spongy filling or modified porous filling and the like, a large number of microorganisms are attached to the surface of the polyurethane spongy filling for treating sewage, an annular aeration pipe 8 is arranged at the bottom of the aerobic zone, and the annular aeration pipe 8 is connected with an external aeration pump or an air blower and is connected with an electric control cabinet for controlling the aeration amount and the aeration time of the annular aeration pipe.
As shown in fig. 1, in the basket type adsorption packing region 15, namely, the front end of the basket type adsorption packing region is provided with a water distribution plate 16, the water distribution plate 16 is arranged at a position 200-300 mm away from the fourth water passing port, which is beneficial to forming uniform and stable water flow and promoting the sewage to fully contact with the adsorption packing. In this embodiment, a detachable basket rust prevention frame 18 containing modified zeolite particles 17 is provided in the basket adsorptive filler region 15, and the modified zeolite particles 17 include one or more of metal oxide modified zeolite particles and chemical solvent modified zeolite particles. The metal oxide modified zeolite particles mainly comprise iron (hydrogen) oxide modified zeolite particles, composite metal oxide modified zeolite and the like; the chemical solvent modified zeolite particles mainly comprise quaternary ammonium salt, sodium chloride or other chemical solution modified zeolite and the like; the diameter of the modified zeolite particles 17 adopted in the embodiment is 15-20 mm, two adsorbent fillers of the iron oxide-loaded modified zeolite, the quaternary ammonium salt and the sodium chloride composite modified zeolite are selected, and a proper proportion is selected for compounding according to the removal requirement of ammonia nitrogen and total phosphorus in sewage. In this embodiment, after the modified zeolite particle adsorption filler is saturated, the modified zeolite particle adsorption filler can be recycled after being regenerated by sodium chloride, alkali and other solutions, or the zeolite material after denitrification and dephosphorization can be used as a nutrient release material for plant growth to realize recycling. In various embodiments, the adsorptive filler particles employed within basket adsorptive filler zone 15 may also be one of porous activated carbon, biochar, diatomaceous earth, attapulgite, mesoporous silica, and the like, and are not limited to modified zeolite, porous activated carbon, biochar, diatomaceous earth, attapulgite, mesoporous silica, and the like.
In the above embodiment, the periphery of the detachable basket type rust-proof frame 18 is welded with a stainless steel mesh, the aperture of the stainless steel mesh is 5-10 mm, and in the present embodiment, the detachable basket type rust-proof frame may be any rigid material with rust resistance; the upper side and the lower side of the detachable basket type rust-proof frame 18 are fixedly connected with the tank body through hinges, so that the detachable basket type rust-proof frame 18 can be conveniently taken out when the filler is replaced, the width of the detachable basket type rust-proof frame 18 is 100-400 mm, and the detachable basket type rust-proof frame can be selected according to the pollutant removal requirement; a plurality of detachable basket type rust-proof frame bodies can be arranged in the adsorption filling area and are selected according to pollutant removal requirements.
It should be noted that, although the foregoing embodiments have been described herein, the scope of the present utility model is not limited thereby. Therefore, based on the innovative concepts of the present utility model, alterations and modifications to the embodiments described herein, or equivalent structures or equivalent flow transformations made by the present description and drawings, apply the above technical solution, directly or indirectly, to other relevant technical fields, all of which are included in the scope of the utility model.
Claims (10)
1. An integrated rural sewage treatment device, which is characterized by comprising: the tank body, be equipped with a plurality of detachable baffles in the tank body, the baffle is cut apart the tank body into a plurality of region, and a plurality of region is anaerobic zone, anoxic zone, good oxygen district, sedimentation zone, basket formula adsorption packing district and the disinfection district that goes out that communicates in proper order respectively, anaerobic zone upper portion is equipped with the inlet tube, goes out disinfection district upper portion and is equipped with the outlet pipe.
2. The rural sewage integrated treatment apparatus according to claim 1, wherein: the anaerobic zone lower part is equipped with the first mouth of a river that passes through with the anoxic zone intercommunication, anoxic zone upper portion is equipped with the second mouth of a river that passes through with the aerobic zone intercommunication, aerobic zone upper portion is equipped with the third mouth of a river that passes through with the sedimentation zone intercommunication, the third mouth of a river that passes through water distribution center tube intercommunication, the upper portion of sedimentation zone is equipped with the fourth mouth of a river that passes through with the basket type adsorption packing district intercommunication, basket type adsorption packing district lower part is equipped with the fifth mouth of a river that passes through with the disinfection district intercommunication of yielding water.
3. The rural sewage integrated treatment apparatus according to claim 1, wherein: the bottom of the aerobic zone is provided with a nitrifying liquid return pipe, one end of the nitrifying liquid return pipe is communicated with the aerobic zone, the other end of the nitrifying liquid return pipe is communicated with the anoxic zone close to the water inlet, the bottom of the sedimentation zone is provided with a sludge return pipe, one end of the sludge return pipe is communicated with the bottom of the sedimentation zone, and the other end of the sludge return pipe is communicated with the anaerobic zone close to the water inlet.
4. A rural sewage integrated treatment unit according to claim 3, wherein: the bottom of the sedimentation zone is provided with an inclined plate, and one end of a sludge return pipe positioned in the sedimentation zone is arranged at the bottom of the inclined plate.
5. The rural sewage integrated treatment apparatus according to claim 1, wherein: the inner side of the tank body, which is close to the end part of the water inlet pipe in the anaerobic zone, is provided with a sewage filtering mesh grid sheet, and a slow-release disinfection tablet is suspended in the water outlet disinfection zone.
6. The rural sewage integrated treatment apparatus according to claim 1, wherein: spherical suspended filler is arranged in the anoxic zone, a plurality of vertically arranged combined filler columns are arranged in the aerobic zone, a plurality of spherical filler bodies are arranged on each combined filler column, polyurethane spongy filler or modified porous filler is arranged in each spherical filler body, an aeration pipe is arranged at the bottom of the aerobic zone, and the aeration pipe is connected with an external aeration pump or an external air blower.
7. The rural sewage integrated treatment apparatus according to claim 1, wherein: the front end of the basket type adsorption filling area is provided with a water distribution plate, and the water distribution plate is arranged at a position 200-300 mm away from the fourth water passing port.
8. The rural sewage integrated treatment apparatus according to claim 1, wherein: the detachable basket rust-proof frame body filled with modified zeolite particles is arranged in the basket type adsorption filler region, and the modified zeolite particles comprise one or more of metal oxide modified zeolite particles and chemical solvent modified zeolite particles.
9. The rural sewage integrated treatment apparatus according to claim 8, wherein: the diameter of the modified zeolite particles is 15-20 mm.
10. The rural sewage integrated treatment apparatus according to claim 8, wherein: stainless steel meshes are welded around the detachable basket anti-rust frame body, the aperture of the stainless steel meshes is 5-10 mm, the upper side and the lower side of the detachable basket anti-rust frame body are fixedly connected with the tank body through loose-leaves, and the width of the basket type anti-rust frame body is 100-400 mm.
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CN202321928481.3U CN220245844U (en) | 2023-07-21 | 2023-07-21 | Rural sewage integrated treatment device |
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CN202321928481.3U CN220245844U (en) | 2023-07-21 | 2023-07-21 | Rural sewage integrated treatment device |
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CN202321928481.3U Active CN220245844U (en) | 2023-07-21 | 2023-07-21 | Rural sewage integrated treatment device |
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