CN112624507A - Low-energy-consumption integrated sewage treatment device - Google Patents
Low-energy-consumption integrated sewage treatment device Download PDFInfo
- Publication number
- CN112624507A CN112624507A CN202011506370.4A CN202011506370A CN112624507A CN 112624507 A CN112624507 A CN 112624507A CN 202011506370 A CN202011506370 A CN 202011506370A CN 112624507 A CN112624507 A CN 112624507A
- Authority
- CN
- China
- Prior art keywords
- water
- filter
- sewage treatment
- energy
- treatment device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 58
- 238000005265 energy consumption Methods 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 187
- 238000009826 distribution Methods 0.000 claims abstract description 80
- 238000001914 filtration Methods 0.000 claims abstract description 46
- 239000010802 sludge Substances 0.000 claims abstract description 30
- 238000005273 aeration Methods 0.000 claims description 32
- 239000000945 filler Substances 0.000 claims description 26
- 238000004062 sedimentation Methods 0.000 claims description 10
- 239000013049 sediment Substances 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 2
- 230000035515 penetration Effects 0.000 claims 1
- 238000005192 partition Methods 0.000 abstract description 3
- 238000011049 filling Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- 238000012856 packing Methods 0.000 description 11
- 239000012528 membrane Substances 0.000 description 10
- 244000005700 microbiome Species 0.000 description 7
- 238000011010 flushing procedure Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000002244 precipitate Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000005842 biochemical reaction Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000007726 management method Methods 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007865 diluting Methods 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 230000020477 pH reduction Effects 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical group [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000001706 oxygenating effect Effects 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
-
- 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
-
- 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
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention relates to the technical field of sewage treatment, in particular to a low-energy-consumption integrated sewage treatment device. The invention provides a low-energy-consumption integrated sewage treatment device which comprises a shell and a lift pump; the top of the shell is provided with a water distribution part, the bottom of the shell is provided with a plurality of sludge discharge parts, and a partition plate for dividing the interior of the shell into an upper region and a lower region is arranged in the shell; a second filtering part, a third filtering part and an inclined tube settling part are sequentially arranged in the upper region from top to bottom, a first filtering part is arranged in the lower region, the first filtering part is provided with a first water inlet and a first water outlet, and the inclined tube settling part is provided with a second water outlet and a settling zone sludge discharge port; the lifting pump comprises an inlet end and an outlet end, the inlet end is communicated with the first water outlet, and the outlet end is communicated with the water distribution part.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a low-energy-consumption integrated sewage treatment device.
Background
Rural domestic sewage is a general term for sewage generated by rural residents in the processes of life, family cultivation and the like, and comprises kitchen sewage, washing sewage, toilet sewage and cultivation wastewater. Compared with urban domestic sewage, rural domestic sewage has the characteristics of wide discharge range, high dispersibility, difficulty in uniform collection and large water quality fluctuation.
In the face of lower economic development level and environmental protection capability in rural areas, how to effectively and economically treat the rural sewage while meeting the technical requirements of rural sewage treatment aiming at the local water pollution condition is a significant factor to be considered.
The traditional sewage treatment equipment is generally horizontally arranged, occupies a large area, has quite high manufacturing cost and is not suitable for treating rural domestic sewage.
Disclosure of Invention
In order to solve the above technical problems or at least partially solve the above technical problems, the present invention provides a low energy consumption integrated sewage treatment apparatus.
The invention provides a low-energy-consumption integrated sewage treatment device, which comprises a shell and a lift pump, wherein the shell is provided with a water inlet and a water outlet;
the top of the shell is provided with a water distribution part, the bottom of the shell is provided with a plurality of sludge discharge parts, and a partition plate for dividing the interior of the shell into an upper region and a lower region is arranged in the shell;
a second filtering part, a third filtering part and an inclined tube settling part are sequentially arranged in the upper region from top to bottom, a first filtering part is arranged in the lower region, the first filtering part is provided with a first water inlet and a first water outlet, and the inclined tube settling part is provided with a second water outlet and a settling zone sludge discharge port;
the lifting pump comprises an inlet end and an outlet end, the inlet end is communicated with the first water outlet, and the outlet end is communicated with the water distribution part;
wherein, sewage warp first water inlet gets into first filter house is handled, by first delivery port warp the elevator pump gets into water distribution part water distribution, water passes through in proper order after the water distribution part water distribution second filter house third filter house with the pipe chute precipitate portion is handled, and later water is followed the second delivery port is discharged, and the precipitate is followed respectively row mud portion with settling zone mud discharging port discharges.
Further, the first water inlet and the first water outlet are arranged on two sides of the first filtering part in the width direction;
a first baffle and a second baffle are sequentially arranged in the first filtering part along the direction from the first water inlet to the first water outlet, and the first baffle and the second baffle are arranged at intervals;
wherein, be equipped with the clearance between first baffle and the diapire of shell, the second baffle with the diapire butt of shell.
Furthermore, the first filtering part comprises a first-stage filter filling material, and a first aeration component is arranged at the bottom of the first-stage filter filling material.
Further, the water distribution part comprises a distribution groove and at least one water distribution groove, and the distribution groove is arranged above the water distribution groove;
the distribution groove is provided with first overflow ports corresponding to the number of the water distribution grooves, the first overflow ports are used for enabling water in the distribution groove to flow to the water distribution grooves, the water distribution grooves are provided with a plurality of second overflow ports, and the second overflow ports are used for enabling water in the distribution groove to flow to the second filtering portion.
Further, the second filtering part is provided with a first support frame, and secondary filter filler is arranged above the first support frame;
the third filtering part is provided with a second supporting frame, and three-stage filter packing is arranged above the second supporting frame.
Further, an inner flow passage is arranged between the inclined tube settling part and the side wall of the shell, and the inner flow passage is communicated with the bottom of the inclined tube settling part;
and a water collecting plate is arranged at the top of the inclined tube settling part and used for collecting and guiding the water treated by the third filtering part into the inner flow channel.
Furthermore, the inclined tube settling part is provided with a plurality of inclined tubes which are closely arranged;
the second water outlet is arranged above the inclined pipe.
Further, a second aeration part is arranged above the water collecting plate.
Furthermore, an air exhaust pipe penetrating through the second filtering part and the third filtering part is arranged in the shell.
Further, arrange mud portion and include the swash plate, the bottom of arranging mud portion has the mud discharge mouth, the swash plate certainly the diapire of arranging mud portion to the slope of mud discharge mouth slant.
Compared with the prior art, the technical scheme provided by the embodiment of the invention has the following advantages:
the low-energy-consumption integrated sewage treatment device provided by the embodiment of the invention comprises: a housing and a lift pump; the top of shell is equipped with water distribution part, and the bottom has a plurality of row mud portion, is equipped with in the shell to be used for the baffle that divides into upper portion region and lower part region in the shell. Be equipped with first filter house in the lower part region, first filter house is equipped with first water inlet and first delivery port, and first filter house can make the grit floc in the middle of intaking preliminary deposit to adjust the preliminary degradation of diluting and pollutant to the great intaking of fluctuation. The upper region is provided with a second filtering part, a third filtering part and an inclined tube settling part from top to bottom in sequence. The elevator pump includes entrance point and exit end, entrance point and first delivery port intercommunication, the exit end communicates with the water distribution part, the elevator pump can promote bottom sewage to the top, it is concrete, the elevator pump promotes sewage from first delivery port to the shell top, reach the water distribution part, sewage relies on gravity from the water distribution part to drip to the second filter house, and fall into third filter house further processing behind the second filter house secondary water distribution, later sewage gets into the pipe chute precipitate portion, the pipe chute precipitate portion is equipped with the second delivery port, through the pipe chute overflow play water, the water after the purification is arranged outside by the second delivery port. The invention designs the characteristics and the current situation of rural sewage, only has one lifting pump, greatly reduces the operation energy consumption and the maintenance management cost, only needs to carry out regular inspection and maintenance, and simultaneously greatly reduces the construction cost due to the integrated design of the process flow.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of a low-energy-consumption integrated sewage treatment device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a water distribution part in the low-energy-consumption integrated sewage treatment device according to the embodiment of the invention.
Reference numerals: 1-a housing; 11-a first filter section; 111-a first water inlet; 112-a first water outlet; 113-first-stage filter filling; 114-a first baffle; 115-a second baffle; 116-a first aeration component; 117-gap; 12-a second filter section; 121-filling of a secondary filter; 122-a first support frame; 13-a third filter section; 131-three-stage filter filling; 132-a second support; 14-a separator; 15-a sludge discharge part; 151-sloping plate; 152-a sludge discharge port; 16-inclined tube settling section; 161-a second water outlet; 162-inner flow passage; 163-a water collection sheet; 164-a chute; 17-a second aeration component; 18-air extraction pipe; 2-a lift pump; 21-an inlet end; 22-an outlet end; 3-a water distribution part; 31-a distribution tank; 311-a first overflow; 32-a water diversion tank; 321-a second overflow port; 41-a water inlet valve; 42-bottom outlet valve; 43-outlet valve of filter; 44-a reflux valve; 45-sludge discharge port of the settling zone; 46-a sludge discharge valve of the sludge discharge part; 47-flushing drain valve; 48-middle exhaust valve; 49-bottom vent valve; 50-high level switch; 51-low level switch; 52-a water outlet flow meter; 53-drainage port.
Detailed Description
In order that the above objects, features and advantages of the present invention may be more clearly understood, a solution of the present invention will be further described below. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those described herein; it is to be understood that the embodiments described in this specification are only some embodiments of the invention, and not all embodiments.
As shown in fig. 1, the low-energy-consumption integrated sewage treatment apparatus provided by the embodiment of the present invention includes: the water distribution device comprises a shell 1 and a lifting pump 2, wherein a water distribution part 3 is arranged at the top of the shell 1, a plurality of sludge discharge parts 15 are arranged at the bottom of the shell, and a partition plate 14 for dividing the interior of the shell 1 into an upper area and a lower area is arranged in the shell 1. Be equipped with first filter house 11 in the lower part region, first filter house 11 is equipped with first water inlet 111 and first delivery port 112, and first filter house 11 can make the grit floc in the middle of intaking preliminary deposit to adjust the preliminary degradation of diluting and pollutant, the preliminary degradation of partial organic matter to the great intaking of fluctuation. The upper region is provided with a second filtering part 12, a third filtering part 13 and an inclined tube settling part 16 from top to bottom in sequence. The elevator pump 2 includes entrance point 21 and exit end 22, entrance point 21 and first delivery port 112 intercommunication, exit end 22 and water distribution part 3 intercommunication, elevator pump 2 can promote bottom sewage to the top, it is specific, elevator pump 2 promotes sewage from first delivery port 112 to the top of shell 1, reach water distribution part 3, sewage relies on gravity to flow automatically from water distribution part 3 and drips to second filter portion 12, and fall into third filter portion 13 after by second filter portion 12 secondary water distribution and obtain further processing, later sewage gets into pipe chute settling part 16, pipe chute settling part 16 is equipped with second delivery port 161, overflow water through pipe chute 164, the water after the purification is arranged outward by second delivery port 161.
In other words, after the water enters the first filtering portion 11 through the first water inlet 111 for treatment, the water enters the water distribution part 3 through the first water outlet 112 and the lift pump 2 for water distribution, after the water is distributed by the water distribution part 3, the water is treated by the second filtering portion 12, the third filtering portion 13 and the inclined tube settling portion 16 in sequence, then the water is discharged from the second water outlet 161, and the sediments are discharged from the sludge discharge portion 15 and the sludge discharge port (45) of the settling zone respectively. The embodiment is designed aiming at the characteristics and the current situation of rural sewage, only one lifting pump is used, the operation energy consumption and the maintenance and management cost are greatly reduced, and meanwhile, the construction cost is greatly reduced through integrated design. The low energy consumption integration sewage treatment plant that this embodiment provided only needs regularly to patrol and examine and maintain after putting into service, has reduced the maintenance cost.
In some embodiments, the first water inlet 111 and the first water outlet 112 are disposed on two sides of the first filtering portion 11 in the width direction, and a first baffle 114 and a second baffle 115 are sequentially disposed in the first filtering portion 11 along the direction from the first water inlet 111 to the first water outlet 112, the first baffle 114 and the second baffle 115 are disposed at intervals, wherein a gap 117 is disposed between the first baffle 114 and the bottom wall of the housing 1, and the second baffle 115 abuts against the bottom wall of the housing 1. The sewage enters the area between the housing 1 and the first baffle plate 114 from the first water inlet 111, is filtered by the first filtering portion 11, enters the area between the first baffle plate 114 and the second baffle plate 115 from the gap 117 at the bottom of the first baffle plate 114, is treated by the first filtering portion 11 again, enters the area between the second baffle plate 115 and the housing 1 from the top of the second baffle plate 115, and is discharged from the first water outlet 112 after being treated by the first filtering portion 11 for the third time. Through the arrangement of the first baffle 114 and the second baffle 115, the first filtering portion 11 can preliminarily precipitate part of gravel flocs in the inflow water, and adjust, dilute and preliminarily digest the inflow water with large fluctuation. First filter portion 11 includes that one-level filtering pond packs 113, and one-level filtering pond packs 113 as the microorganism carrier, carries out the enhanced nitrogen removal reaction, and first baffle 114 and second baffle 115 make partial grit floc in the middle of intaking can preliminary deposit to intake and can the intensive mixing at this stage, increase and the contact of one-level filtering pond packing 113, carry out better biochemical reaction.
Optionally, the first baffle 114 and the second baffle 115 may be provided in plurality, and the first baffle 114, the second baffle 115, the first baffle 114 and the second baffle 115 … … are sequentially arranged, a gap 117 is provided between each first baffle 114 and the bottom wall of the housing 1, each second baffle 115 abuts against the bottom wall of the housing 1, microorganisms attached to the primary filter packing 113 can be fully utilized to perform preliminary organic hydrolysis acidification and denitrification, and part of gravel floc in the influent water can be preliminarily precipitated, and the influent water can be sufficiently mixed at this stage, contact with the primary filter packing 113 is increased, and a better biochemical reaction is performed.
Optionally, arrange mud portion 15 and can set up a plurality ofly, to arrange mud portion 15 and set up three as the example, record as first mud portion, second mud portion and third mud portion of arranging respectively, first mud portion of arranging is located the bottom in the region between shell 1 and first baffle 114, the second mud portion of arranging is located the bottom in the region between first baffle 114 and second baffle 115, the third mud portion of arranging is located the bottom in the region between second baffle 115 and shell 1 for collect the sediment in each region respectively, be convenient for discharge each regional sediment respectively, be convenient for clear up each mud portion of arranging.
The first-stage filter filler 113 can adopt polyurethane with the specification of 5 x 5, and the filling rate of the filler is 15-20%. The first aeration part 116 is arranged at the bottom of the first-stage filter filling 113, and the first aeration part 116 can be used as a part of a filter flushing system. Optionally, the flushing device comprises a fan, a water pump and the like, and is externally connected with a mobile device.
The first-stage filter filler 113 can adopt an external hanging membrane of the device, so that microorganisms are attached to the porous filter material to form a biological membrane, organic matters in sewage are adsorbed, the biological membrane is put into the filter after the membrane is successfully hung, and the water inflow is gradually increased in the domestication stage, so that the biological membrane on the filter material is gradually adapted to the environment.
During normal operation, sewage enters from the water inlet valve 41 after being collected, water (water from the second water outlet 161) from the inclined tube precipitation part 16 of the mixing part enters an anaerobic stage after being diluted, and fully contacts with the first-stage filter filler 113 under the flow guide effect of the first baffle plate 114 and the second baffle plate 115, so that microorganisms attached to the first-stage filter filler 113 are completely utilized to carry out preliminary organic matter hydrolysis acidification and denitrification. And then through the bottom outlet valve 42 into the lift pump 2.
Foretell first filter house 11 sets up bottom discharge valve 49, and it is smooth and easy to make into water to prevent that the harmful gas who produces from gathering in the biochemical reaction, at the high liquid level switch 50 of third filter house 13 installation, when reaching the high liquid level, for making third filter house 13 normal operating, stop intaking, at the low liquid level switch 51 of first filter house 11 installation, when intaking not enough, when triggering low liquid level, elevator pump 2 stop work.
Alternatively, a low level switch 51 and a high level switch 50 are provided in the first filter part 11 and the third filter part 13, respectively, and the lift pump 2 stops operating when the level switches are touched.
The inclined tube sedimentation part 16 is provided with a filter outlet valve 43 and an outlet water flowmeter 52, the filter outlet valve 43 is adjusted to meet the treatment conditions of the low-energy-consumption integrated sewage treatment device, part of the outlet water flows back to the first filtering part 11 through the return valve 44 to dilute the inlet water, a certain hydraulic impact load can be effectively borne, and an electron acceptor is provided for the denitrification reaction of the first filtering part 11. Meanwhile, a middle exhaust valve 48 is arranged on the first filtering part 11, so that the water flow of the inclined tube settling part 16 is smooth.
As shown in fig. 2, the water distribution member 3 includes a distribution tank 31 and at least one water distribution tank 32, the distribution tank 31 is disposed above the water distribution tank 32, wherein the distribution tank is provided with a first overflow port 311 corresponding to the number of the water distribution tank 32, the first overflow port 311 is used for flowing water in the distribution tank 31 to the water distribution tank 32, the water distribution tank 32 is provided with a plurality of second overflow ports 321, and the second overflow ports 321 are used for flowing water in the distribution tank 31 to the second filtering portion 12. The lift pump 2 lifts the water from the first water outlet 112 at the bottom to the water distribution part 3, and the water is primarily distributed by the water distribution part 3, so that the water distribution on the surface of the second filtering part 12 is more uniform through the arrangement of the first overflow port 311 and the second overflow port 321. The water distribution is uniform through the height of the first overflow port 311 and the second overflow port 321, and compared with a conventional perforated water distribution pipe, the water distribution part 3 in the embodiment can not only prevent blockage, but also is easy to clean.
Optionally, the water distribution grooves 32 are uniformly spaced along the extending direction of the distribution groove 31, and the extending directions of the water distribution grooves 32 are parallel to each other, so that the water distribution on the surface of the second filtering portion 12 is more uniform.
In some embodiments, the second filter portion 12 is provided with a first support frame 122, the second filter packing 121 is provided above the first support frame 122, the third filter portion 13 is provided with a second support frame 132, and the third filter packing 131 is provided above the second support frame 132.
The second-stage filter filler 121 and the third-stage filter filler 131 can be respectively coated with an outer membrane, so that microorganisms are attached to the porous filter material to form a biological membrane, organic matters in sewage are adsorbed, the biological membrane is put into the filter after the membrane is coated successfully, and the water inflow is gradually increased in the domestication stage, so that the biological membrane on the filter material is gradually adapted to the environment.
The sewage flows from the water distribution part 3 to the high-strength second-stage filter filler 121 for first-stage aeration, and falls into the third-stage filter filler 131 after being subjected to secondary water distribution by the second-stage filter filler 121, the sewage is further treated by the third-stage filter filler 131 under the action of gravity, and the effluent is collected by the water collection plate 163 and enters the inclined tube settling part 16 through the inner flow channel 162.
Optionally, the interior of the filler 131 of the third-stage filter is divided into multiple layers of fillers to form different optimized combinations, so as to form a more perfect microbial ecological community and improve the effluent treatment effect.
Optionally, the secondary filter packing 121 can adopt volcanic rock with the specification of 20-40 mm and the porosity of 70% -85%, and the packing filling rate of the packing is 2-3%.
Optionally, the third-stage filter filler 131 can be polyurethane or suspended pellets, and the filler filling rate is 40-45%.
In some embodiments, the inner flow passage 162 is disposed between the inclined tube settling part 16 and the side wall of the housing 1, the inner flow passage 162 is communicated with the bottom of the inclined tube settling part 16, and a water collecting plate 163 is disposed at the top of the inclined tube settling part 16, and the water collecting plate 163 is used for collecting and guiding the water treated by the third filtering part 13 into the inner flow passage 162. Optionally, the water collection sheet 163 has a gradient of 0.5 to 1%, which facilitates water collection and facilitates introduction of water into the inner flow channel 162.
In some embodiments, the inclined tube settling section 16 is provided with a plurality of inclined tubes 164 arranged closely, and the second water outlet 161 is disposed above the inclined tubes 164. The effluent water passing through the third filtering part 13 enters the inclined tube settling part 16, overflows through the inclined tube 164 to form effluent water, the effluent water is discharged from the second water outlet 161, part of the effluent water flows back to the first filtering part 11, and the amount of the return water is coordinately controlled through the return valve 44 and the filter outlet valve 43.
The inclined tube settling part 16 is provided with a settling zone sludge discharge port 45, and a sludge discharge port valve is opened every 3-6 months to discharge settled microbial flocs from the settling zone sludge discharge port 45.
In some embodiments, the secondary filter packing 121 is subjected to secondary water distribution, falls into the secondary filter packing 121, and is subjected to secondary aeration. The lifting pump 2 lifts the bottom effluent to the water distribution part 3, primary water distribution is carried out through the water distribution part 3, and primary water splashing, oxygenation and aeration are carried out in the process of falling to the secondary filter filler 121. The sewage is distributed again in the second filter filling 121, so that the water is distributed more uniformly on the surface of the second filtering part 12, and the sewage is oxygenated again in the process of falling to the third filter filling 131. The second aeration part 17 is arranged above the water collecting plate 163, and the aeration pipeline of the second aeration part 17 is provided with downward openings and is used for washing the filter tank. The second aeration part 17 comprises an aeration pipe which is communicated with the air blower through a pipeline, the pipeline is provided with a valve for adjusting aeration quantity or closing aeration, and the aeration pipe is provided with a plurality of aeration holes.
In some embodiments, an exhaust duct 18 is provided in the housing 1, which extends through the second filter portion 12 and the third filter portion 13. The air draft pipe 18 is communicated with the air layers inside and outside the second filtering part 12 and the third filtering part 13, and air is circulated in the third-stage filter filler 131 by virtue of air pressure generated by the difference of the temperature, the humidity and the density of the air inside and outside the shell 1, so as to form natural aeration. The air exhaust pipe 18 is used for oxygenating microorganisms by naturally exhausting air without mechanical blast aeration.
The sewage distributed uniformly is gradually infiltrated in the third-stage filter filler 131, and pollutants in the water are intercepted and adsorbed by the third-stage filter filler 131. Under the action of the air draft pipe 18, gaps among the filler 131 of the third-stage filter are filled with naturally circulating air, and sufficient oxygen is provided for attached microorganisms to carry out biochemical reaction.
Alternatively, the exhaust manifold 18 may be in a central position, or may be at the edge of the housing 1 or in an off-center position.
Optionally, when the blockage occurs and the back washing is needed, the air pulling pipe 18 can be externally connected with a movable water pump to serve as a water inlet pipe of washing water.
Preferably, the height of the air draft tube 18 is related to the load of the filter, and is 1.5 to 2 times of the sum of the heights of the second filter part 12 and the third filter part 13.
In some embodiments, the sludge discharge portion 15 includes an inclined plate 151, the bottom of the sludge discharge portion 15 has a sludge discharge opening 152, the inclined plate 151 is inclined from the side wall of the sludge discharge portion 15 to the sludge discharge opening 152,
the bottom of the sludge discharge part 15 is provided with a sludge discharge port 152, and an aged biological film and large granular flocs of inlet water which are dropped off by the first filter filler are cleaned every half year to one year.
In some embodiments, the first filter portion 11 is provided with a drain 53, and the drain 53 is an overflow drain 53 that prevents system control from failing and excessive water inflow.
Optionally, the sewage treatment method of the present embodiment has a volume load of 1.5 to 1.8kgBOD5/m3·d
When the jam happens, the patrol personnel carry the external mobile device to clean.
Filling clear water into the filter tank through the air draft tube 18 and the bottom water inlet valve 41, starting the first aeration part 116 and the second aeration part 17 to carry out air flushing for 5-10 min, stopping aeration, discharging flushing wastewater in the filter tank through the sludge discharge port 152, the sludge discharge valve 46 of the sludge discharge part and an external mobile sludge discharge pump, closing the sludge discharge valve 46 of the sludge discharge part, continuing to fill water into the shell 1 through the air draft tube 18, continuously aerating, discharging wastewater through the top flushing water discharge valve 47, stopping water inflow after 3-5 min, discharging wastewater at the bottom of an inclined tube settling zone through the settling zone sludge discharge port 45, and finishing cleaning.
As a specific embodiment, the sewage treatment plant has a treatment scale of 10t/d and a volume load of 1.8kgBOD5/m3D, the reflux ratio R is 300%, and the treatment effect is as follows:
| control item | BOD5 | COD | SS | Ammonia nitrogen | Total nitrogen | Total phosphorus |
| Unit of | mg/L | mg/L | mg/L | mg/L | mg/L | mg/L |
| Quality of inlet water | ≤250 | ≤400 | ≤60 | ≤50 | ≤70 | ≤5 |
| Quality of effluent water | ≤20 | ≤50 | ≤20 | ≤8 | ≤20 | ≤1 |
The manufacturing and installation cost of the equipment is 1500 yuan/t, and the operation cost is 0.3 yuan/t on the premise of realizing the stability reaching the first-level B standard.
In conclusion, the invention greatly reduces the operation energy consumption and the maintenance management cost, only needs to carry out regular inspection and maintenance, and greatly reduces the construction cost due to the integrated design of the process flow.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020112898656 | 2020-11-17 | ||
| CN202011289865 | 2020-11-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112624507A true CN112624507A (en) | 2021-04-09 |
| CN112624507B CN112624507B (en) | 2025-01-14 |
Family
ID=75317217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011506370.4A Active CN112624507B (en) | 2020-11-17 | 2020-12-18 | Low energy consumption integrated sewage treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112624507B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202148220U (en) * | 2011-07-06 | 2012-02-22 | 江苏林格纯水设备有限公司 | Closed aeration biological filter |
| CN106045209A (en) * | 2016-06-29 | 2016-10-26 | 湖南智水环境工程有限公司 | Vertical integrated equipment for rural domestic sewage treatment |
| CN106915824A (en) * | 2017-03-22 | 2017-07-04 | 上海仁创环境科技有限公司 | Small Town Wastewater processes integrated high-efficiency low energy consumption novel process equipment and processing method |
| CN110156159A (en) * | 2019-06-04 | 2019-08-23 | 北京博汇特环保科技股份有限公司 | A kind of mixed bed biochemical treatment apparatus and sewage water treatment method |
| CN214299756U (en) * | 2020-11-17 | 2021-09-28 | 金科环境股份有限公司 | Low-energy-consumption integrated sewage treatment device |
-
2020
- 2020-12-18 CN CN202011506370.4A patent/CN112624507B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202148220U (en) * | 2011-07-06 | 2012-02-22 | 江苏林格纯水设备有限公司 | Closed aeration biological filter |
| CN106045209A (en) * | 2016-06-29 | 2016-10-26 | 湖南智水环境工程有限公司 | Vertical integrated equipment for rural domestic sewage treatment |
| CN106915824A (en) * | 2017-03-22 | 2017-07-04 | 上海仁创环境科技有限公司 | Small Town Wastewater processes integrated high-efficiency low energy consumption novel process equipment and processing method |
| CN110156159A (en) * | 2019-06-04 | 2019-08-23 | 北京博汇特环保科技股份有限公司 | A kind of mixed bed biochemical treatment apparatus and sewage water treatment method |
| CN214299756U (en) * | 2020-11-17 | 2021-09-28 | 金科环境股份有限公司 | Low-energy-consumption integrated sewage treatment device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112624507B (en) | 2025-01-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214299756U (en) | Low-energy-consumption integrated sewage treatment device | |
| WO2018129895A1 (en) | Treatment system for rural domestic sewage | |
| CN107082540A (en) | A kind of integrated sewage treating apparatus and its handling process | |
| CN114906986B (en) | Integrated sewage treatment device and method with adjustable process | |
| CN106904796A (en) | A kind of multilevel deflector-type SSMBBR sewage disposal systems and processing method | |
| CN106927638B (en) | Multistage diversion type MBBR sewage treatment system and treatment method | |
| CN105836970B (en) | Sewage treatment device | |
| CN213112940U (en) | Domestic sewage treatment system | |
| CN108178297A (en) | A kind of integral life sewage processing method and its device | |
| CN208802968U (en) | A kind of modified form rural domestic sewage treatment system | |
| CN107721101A (en) | A kind of microkinetic sewage integrated treatment equipment | |
| CN213865815U (en) | Integrated domestic sewage treatment equipment | |
| CN212864467U (en) | Sewage treatment system | |
| CN217947895U (en) | Integrated device for dispersed sewage treatment | |
| CN112624507A (en) | Low-energy-consumption integrated sewage treatment device | |
| CN111573836A (en) | MBBR (moving bed biofilm reactor) equipment with sludge-water separator and sewage treatment method thereof | |
| CN214218496U (en) | Biological filter system | |
| CN102531152A (en) | Aerating biological filter | |
| CN109761367A (en) | A kind of rural domestic sewage treatment device and sewage treatment method | |
| CN213506464U (en) | Novel rural domestic sewage treatment device and treatment system | |
| CN212387919U (en) | Container with stepped artificial wetland for treating dispersible domestic sewage | |
| CN104609553B (en) | Co-peasant household type sewage treatment plant | |
| CN208562086U (en) | Sewage intermediate water reuse system | |
| CN113354209A (en) | Rural domestic sewage integrated advanced treatment device and sewage treatment method | |
| CN201809248U (en) | Sequencing mud-membrane symbiosis integrated water treatment equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |